Flights from Seattle (SEA) to Boston (BOS)

Flight schedules from Seattle to Boston with Star Alliance member carriers

Please note that the flight schedules of our member carriers are subject to change on short notice. We recommend using our member airlines information page. for the latest flight updates, details on booking flexibility, as well as specific Frequent Flyer Program information.

Outbound (55)

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Seattle US
SEA14:27
7h 4m
1 Stop
Boston US
BOS00:31
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1964
  Seattle. US
  SEA 14:27
  3h 58m
  1725 Miles
  Chicago. US
  ORD 20:25
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2627
  Chicago. US
  ORD 21:10
  2h 21m
  869 Miles
  Boston. US
  BOS 00:31
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA07:00
7h 25m
1 Stop
Boston US
BOS17:25
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2138
  Seattle. US
  SEA 07:00
  4h 2m
  1725 Miles
  Chicago. US
  ORD 13:02
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 378
  Chicago. US
  ORD 14:02
  2h 23m
  869 Miles
  Boston. US
  BOS 17:25
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA05:00
7h 38m
1 Stop
Boston US
BOS15:38
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1362
  Seattle. US
  SEA 05:00
  2h 44m
  1028 Miles
  Denver. US
  DEN 08:44
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2436
  Denver. US
  DEN 09:43
  3h 55m
  1759 Miles
  Boston. US
  BOS 15:38
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA12:50
7h 42m
1 Stop
Boston US
BOS23:32
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 757
  Seattle. US
  SEA 12:50
  2h 48m
  1028 Miles
  Denver. US
  DEN 16:38
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 1510
  Denver. US
  DEN 17:39
  3h 53m
  1759 Miles
  Boston. US
  BOS 23:32
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA19:10
7h 46m
1 Stop
Boston US
BOS05:56
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 418
  Seattle. US
  SEA 19:10
  2h 50m
  1028 Miles
  Denver. US
  DEN 23:00
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 589
  Denver. US
  DEN 23:59
  3h 57m
  1759 Miles
  Boston. US
  BOS 05:56
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA23:49
7h 49m
1 Stop
Boston US
BOS10:38
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 747
  Seattle. US
  SEA 23:49
  4h 1m
  1725 Miles
  Chicago. US
  ORD 05:50
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1803
  Chicago. US
  ORD 07:15
  2h 23m
  869 Miles
  Boston. US
  BOS 10:38
  Boeing 737-800 Passenger
  Operated by United Airlines
Seattle US
SEA10:49
7h 57m
1 Stop
Boston US
BOS21:46
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 656
  Seattle. US
  SEA 10:49
  4h 6m
  1725 Miles
  Chicago. US
  ORD 16:55
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1568
  Chicago. US
  ORD 18:20
  2h 26m
  869 Miles
  Boston. US
  BOS 21:46
  Boeing 737-800 Passenger
  Operated by United Airlines
Seattle US
SEA08:06
8h 13m
1 Stop
Boston US
BOS19:19
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1360
  Seattle. US
  SEA 08:06
  5h 4m
  2313 Miles
  Washington. US
  IAD 16:10
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 688
  Washington. US
  IAD 17:40
  1h 39m
  414 Miles
  Boston. US
  BOS 19:19
  Boeing 737-800 Passenger
  Operated by United Airlines
Seattle US
SEA08:20
8h 25m
1 Stop
Boston US
BOS19:45
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 578
  Seattle. US
  SEA 08:20
  2h 51m
  1028 Miles
  Denver. US
  DEN 12:11
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 597
  Denver. US
  DEN 13:48
  3h 57m
  1759 Miles
  Boston. US
  BOS 19:45
  Boeing 737-800 Passenger
  Operated by United Airlines
Seattle US
SEA05:44
8h 43m
1 Stop
Boston US
BOS17:27
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2140
  Seattle. US
  SEA 05:44
  2h 15m
  683 Miles
  San Francisco. US
  SFO 07:59
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2647
  San Francisco. US
  SFO 08:35
  5h 52m
  2712 Miles
  Boston. US
  BOS 17:27
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA22:46
9h 6m
1 Stop
Boston US
BOS10:52
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 341
  Seattle. US
  SEA 22:46
  5h 14m
  2408 Miles
  New York. US
  EWR 07:00
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 3520
  New York. US
  EWR 09:30
  1h 22m
  201 Miles
  Boston. US
  BOS 10:52
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Seattle US
SEA23:59
9h 16m
1 Stop
Boston US
BOS12:15
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2379
  Seattle. US
  SEA 23:59
  4h 18m
  1883 Miles
  Houston. US
  IAH 06:17
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 2394
  Houston. US
  IAH 07:25
  3h 50m
  1603 Miles
  Boston. US
  BOS 12:15
  Airbus A319 Passenger
  Operated by United Airlines
Seattle US
SEA19:43
9h 35m
1 Stop
Boston US
BOS08:18
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1637
  Seattle. US
  SEA 19:43
  2h 17m
  683 Miles
  San Francisco. US
  SFO 22:00
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1665
  San Francisco. US
  SFO 23:25
  5h 53m
  2712 Miles
  Boston. US
  BOS 08:18
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA10:49
9h 49m
2 Stops
Boston US
BOS23:38
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 656
  Seattle. US
  SEA 10:49
  6h 2m
  2313 Miles
  Washington. US
  IAD 21:01
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 352
  Washington. US
  IAD 22:01
  1h 37m
  414 Miles
  Boston. US
  BOS 23:38
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA23:49
9h 52m
2 Stops
Boston US
BOS12:41
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 747
  Seattle. US
  SEA 23:49
  4h 1m
  1725 Miles
  Chicago. US
  ORD 05:50
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 563
  Chicago. US
  ORD 07:10
  2h 16m
  721 Miles
  New York. US
  EWR 10:26
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 721
  New York. US
  EWR 11:29
  1h 12m
  201 Miles
  Boston. US
  BOS 12:41
  
  Operated by United Airlines
Seattle US
SEA07:00
10h 8m
2 Stops
Boston US
BOS20:08
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2138
  Seattle. US
  SEA 07:00
  4h 2m
  1725 Miles
  Chicago. US
  ORD 13:02
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2654
  Chicago. US
  ORD 14:09
  2h 27m
  721 Miles
  New York. US
  EWR 17:36
  Airbus A319 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1779
  New York. US
  EWR 18:50
  1h 18m
  201 Miles
  Boston. US
  BOS 20:08
  
  Operated by United Airlines
Seattle US
SEA05:00
10h 13m
2 Stops
Boston US
BOS18:13
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1362
  Seattle. US
  SEA 05:00
  2h 44m
  1028 Miles
  Denver. US
  DEN 08:44
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1591
  Denver. US
  DEN 10:07
  3h 53m
  1609 Miles
  New York. US
  EWR 16:00
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2612
  New York. US
  EWR 16:59
  1h 14m
  201 Miles
  Boston. US
  BOS 18:13
  
  Operated by United Airlines
Seattle US
SEA08:20
10h 26m
2 Stops
Boston US
BOS21:46
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 578
  Seattle. US
  SEA 08:20
  2h 51m
  1028 Miles
  Denver. US
  DEN 12:11
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 617
  Denver. US
  DEN 13:25
  2h 30m
  891 Miles
  Chicago. US
  ORD 16:55
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1568
  Chicago. US
  ORD 18:20
  2h 26m
  869 Miles
  Boston. US
  BOS 21:46
  
  Operated by United Airlines
Seattle US
SEA07:25
10h 36m
1 Stop
Boston US
BOS21:01
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 246
  Seattle. US
  SEA 07:25
  2h 20m
  683 Miles
  San Francisco. US
  SFO 09:45
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1449
  San Francisco. US
  SFO 12:12
  5h 49m
  2712 Miles
  Boston. US
  BOS 21:01
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA05:00
11h 19m
2 Stops
Boston US
BOS19:19
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1362
  Seattle. US
  SEA 05:00
  2h 44m
  1028 Miles
  Denver. US
  DEN 08:44
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 286
  Denver. US
  DEN 09:57
  3h 18m
  1457 Miles
  Washington. US
  IAD 15:15
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 688
  Washington. US
  IAD 17:40
  1h 39m
  414 Miles
  Boston. US
  BOS 19:19
  
  Operated by United Airlines
Seattle US
SEA07:25
11h 21m
2 Stops
Boston US
BOS21:46
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 246
  Seattle. US
  SEA 07:25
  2h 20m
  683 Miles
  San Francisco. US
  SFO 09:45
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1998
  San Francisco. US
  SFO 10:40
  4h 25m
  1851 Miles
  Chicago. US
  ORD 17:05
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1568
  Chicago. US
  ORD 18:20
  2h 26m
  869 Miles
  Boston. US
  BOS 21:46
  
  Operated by United Airlines
Seattle US
SEA16:43
11h 30m
2 Stops
Boston US
BOS07:13
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1550
  Seattle. US
  SEA 16:43
  2h 17m
  683 Miles
  San Francisco. US
  SFO 19:00
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 325
  San Francisco. US
  SFO 20:07
  1h 40m
  339 Miles
  Los Angeles. US
  LAX 21:47
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2106
  Los Angeles. US
  LAX 22:36
  5h 37m
  2619 Miles
  Boston. US
  BOS 07:13
  
  Operated by United Airlines
Seattle US
SEA07:15
11h 31m
2 Stops
Boston US
BOS21:46
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2368
  Seattle. US
  SEA 07:15
  4h 23m
  1883 Miles
  Houston. US
  IAH 13:38
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1538
  Houston. US
  IAH 14:25
  2h 45m
  930 Miles
  Chicago. US
  ORD 17:10
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 1568
  Chicago. US
  ORD 18:20
  2h 26m
  869 Miles
  Boston. US
  BOS 21:46
  
  Operated by United Airlines
Seattle US
SEA23:59
11h 41m
2 Stops
Boston US
BOS14:40
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2379
  Seattle. US
  SEA 23:59
  4h 18m
  1883 Miles
  Houston. US
  IAH 06:17
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 1886
  Houston. US
  IAH 07:30
  3h 30m
  1405 Miles
  New York. US
  EWR 12:00
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 3544
  New York. US
  EWR 13:25
  1h 15m
  201 Miles
  Boston. US
  BOS 14:40
  
  Operated by United Airlines
Seattle US
SEA19:43
11h 43m
2 Stops
Boston US
BOS10:26
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1637
  Seattle. US
  SEA 19:43
  2h 17m
  683 Miles
  San Francisco. US
  SFO 22:00
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2247
  San Francisco. US
  SFO 22:50
  5h 19m
  2426 Miles
  Washington. US
  IAD 07:09
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 641
  Washington. US
  IAD 08:50
  1h 36m
  414 Miles
  Boston. US
  BOS 10:26
  
  Operated by United Airlines
Seattle US
SEA23:49
11h 51m
2 Stops
Boston US
BOS14:40
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 747
  Seattle. US
  SEA 23:49
  4h 1m
  1725 Miles
  Chicago. US
  ORD 05:50
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 563
  Chicago. US
  ORD 07:10
  2h 16m
  721 Miles
  New York. US
  EWR 10:26
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 3544
  New York. US
  EWR 13:25
  1h 15m
  201 Miles
  Boston. US
  BOS 14:40
  
  Operated by United Airlines
Seattle US
SEA19:43
11h 55m
2 Stops
Boston US
BOS10:38
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1637
  Seattle. US
  SEA 19:43
  2h 17m
  683 Miles
  San Francisco. US
  SFO 22:00
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 476
  San Francisco. US
  SFO 22:45
  4h 25m
  1851 Miles
  Chicago. US
  ORD 05:10
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1803
  Chicago. US
  ORD 07:15
  2h 23m
  869 Miles
  Boston. US
  BOS 10:38
  
  Operated by United Airlines
Seattle US
SEA19:43
11h 55m
2 Stops
Boston US
BOS10:38
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1637
  Seattle. US
  SEA 19:43
  2h 17m
  683 Miles
  San Francisco. US
  SFO 22:00
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2661
  San Francisco. US
  SFO 00:09
  4h 21m
  1851 Miles
  Chicago. US
  ORD 06:30
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1803
  Chicago. US
  ORD 07:15
  2h 23m
  869 Miles
  Boston. US
  BOS 10:38
  
  Operated by United Airlines
Seattle US
SEA19:43
11h 55m
2 Stops
Boston US
BOS10:38
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1637
  Seattle. US
  SEA 19:43
  2h 17m
  683 Miles
  San Francisco. US
  SFO 22:00
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2423
  San Francisco. US
  SFO 23:15
  4h 17m
  1851 Miles
  Chicago. US
  ORD 05:32
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1803
  Chicago. US
  ORD 07:15
  2h 23m
  869 Miles
  Boston. US
  BOS 10:38
  
  Operated by United Airlines
Seattle US
SEA05:00
12h 8m
2 Stops
Boston US
BOS20:08
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1362
  Seattle. US
  SEA 05:00
  2h 44m
  1028 Miles
  Denver. US
  DEN 08:44
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1572
  Denver. US
  DEN 11:26
  3h 52m
  1609 Miles
  New York. US
  EWR 17:18
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 1779
  New York. US
  EWR 18:50
  1h 18m
  201 Miles
  Boston. US
  BOS 20:08
  
  Operated by United Airlines
Seattle US
SEA05:00
12h 8m
2 Stops
Boston US
BOS20:08
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1362
  Seattle. US
  SEA 05:00
  2h 44m
  1028 Miles
  Denver. US
  DEN 08:44
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1591
  Denver. US
  DEN 10:07
  3h 53m
  1609 Miles
  New York. US
  EWR 16:00
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1779
  New York. US
  EWR 18:50
  1h 18m
  201 Miles
  Boston. US
  BOS 20:08
  
  Operated by United Airlines
Seattle US
SEA06:38
12h 8m
2 Stops
Boston US
BOS21:46
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1400
  Seattle. US
  SEA 06:38
  6h 52m
  1725 Miles
  Chicago. US
  ORD 16:25
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1568
  Chicago. US
  ORD 18:20
  2h 26m
  869 Miles
  Boston. US
  BOS 21:46
  Boeing 737-800 Passenger
  Operated by United Airlines
Seattle US
SEA19:43
12h 9m
2 Stops
Boston US
BOS10:52
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1637
  Seattle. US
  SEA 19:43
  2h 17m
  683 Miles
  San Francisco. US
  SFO 22:00
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 549
  San Francisco. US
  SFO 23:40
  5h 45m
  2573 Miles
  New York. US
  EWR 08:25
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 3520
  New York. US
  EWR 09:30
  1h 22m
  201 Miles
  Boston. US
  BOS 10:52
  
  Operated by United Airlines
Seattle US
SEA19:43
12h 9m
2 Stops
Boston US
BOS10:52
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1637
  Seattle. US
  SEA 19:43
  2h 17m
  683 Miles
  San Francisco. US
  SFO 22:00
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 649
  San Francisco. US
  SFO 22:40
  5h 27m
  2573 Miles
  New York. US
  EWR 07:07
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 3520
  New York. US
  EWR 09:30
  1h 22m
  201 Miles
  Boston. US
  BOS 10:52
  
  Operated by United Airlines
Seattle US
SEA08:20
12h 18m
2 Stops
Boston US
BOS23:38
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 578
  Seattle. US
  SEA 08:20
  2h 51m
  1028 Miles
  Denver. US
  DEN 12:11
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1328
  Denver. US
  DEN 13:55
  3h 22m
  1457 Miles
  Washington. US
  IAD 19:17
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 352
  Washington. US
  IAD 22:01
  1h 37m
  414 Miles
  Boston. US
  BOS 23:38
  
  Operated by United Airlines
Seattle US
SEA19:10
12h 42m
3 Stops
Boston US
BOS10:52
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 418
  Seattle. US
  SEA 19:10
  6h 12m
  2313 Miles
  Washington. US
  IAD 05:21
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2481
  Washington. US
  IAD 06:00
  1h 14m
  212 Miles
  New York. US
  EWR 07:14
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 3520
  New York. US
  EWR 09:30
  1h 22m
  201 Miles
  Boston. US
  BOS 10:52
  
  Operated by United Airlines
Seattle US
SEA16:47
12h 57m
2 Stops
Boston US
BOS08:44
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1835
  Seattle. US
  SEA 16:47
  2h 42m
  960 Miles
  Los Angeles. US
  LAX 19:29
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1082
  Los Angeles. US
  LAX 21:15
  5h 25m
  2462 Miles
  New York. US
  EWR 05:40
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 3611
  New York. US
  EWR 07:29
  1h 15m
  201 Miles
  Boston. US
  BOS 08:44
  
  Operated by United Airlines
Seattle US
SEA23:59
13h 0m
2 Stops
Boston US
BOS15:59
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2379
  Seattle. US
  SEA 23:59
  4h 18m
  1883 Miles
  Houston. US
  IAH 06:17
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 1886
  Houston. US
  IAH 07:30
  3h 30m
  1405 Miles
  New York. US
  EWR 12:00
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 593
  New York. US
  EWR 14:45
  1h 14m
  201 Miles
  Boston. US
  BOS 15:59
  
  Operated by United Airlines
Seattle US
SEA16:43
13h 1m
2 Stops
Boston US
BOS08:44
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1550
  Seattle. US
  SEA 16:43
  2h 17m
  683 Miles
  San Francisco. US
  SFO 19:00
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 749
  San Francisco. US
  SFO 21:30
  5h 41m
  2573 Miles
  New York. US
  EWR 06:11
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 3611
  New York. US
  EWR 07:29
  1h 15m
  201 Miles
  Boston. US
  BOS 08:44
  
  Operated by United Airlines
Seattle US
SEA05:44
13h 2m
2 Stops
Boston US
BOS21:46
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2140
  Seattle. US
  SEA 05:44
  2h 15m
  683 Miles
  San Francisco. US
  SFO 07:59
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1998
  San Francisco. US
  SFO 10:40
  4h 25m
  1851 Miles
  Chicago. US
  ORD 17:05
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1568
  Chicago. US
  ORD 18:20
  2h 26m
  869 Miles
  Boston. US
  BOS 21:46
  
  Operated by United Airlines
Seattle US
SEA07:25
13h 7m
2 Stops
Boston US
BOS23:32
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 246
  Seattle. US
  SEA 07:25
  2h 20m
  683 Miles
  San Francisco. US
  SFO 09:45
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 501
  San Francisco. US
  SFO 11:00
  2h 51m
  970 Miles
  Denver. US
  DEN 14:51
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1510
  Denver. US
  DEN 17:39
  3h 53m
  1759 Miles
  Boston. US
  BOS 23:32
  
  Operated by United Airlines
Seattle US
SEA07:25
13h 13m
2 Stops
Boston US
BOS23:38
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 246
  Seattle. US
  SEA 07:25
  2h 20m
  683 Miles
  San Francisco. US
  SFO 09:45
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 487
  San Francisco. US
  SFO 10:45
  5h 23m
  2426 Miles
  Washington. US
  IAD 19:08
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 352
  Washington. US
  IAD 22:01
  1h 37m
  414 Miles
  Boston. US
  BOS 23:38
  
  Operated by United Airlines
Seattle US
SEA05:44
13h 14m
2 Stops
Boston US
BOS21:58
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2140
  Seattle. US
  SEA 05:44
  6h 21m
  1883 Miles
  Houston. US
  IAH 15:11
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1571
  Houston. US
  IAH 17:05
  3h 53m
  1603 Miles
  Boston. US
  BOS 21:58
  Airbus A320 Passenger
  Operated by United Airlines
Seattle US
SEA13:10
13h 46m
2 Stops
Boston US
BOS05:56
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 737
  Seattle. US
  SEA 13:10
  2h 17m
  683 Miles
  San Francisco. US
  SFO 15:27
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2191
  San Francisco. US
  SFO 17:47
  2h 43m
  970 Miles
  Denver. US
  DEN 21:30
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 589
  Denver. US
  DEN 23:59
  3h 57m
  1759 Miles
  Boston. US
  BOS 05:56
  
  Operated by United Airlines
Seattle US
SEA05:00
13h 58m
2 Stops
Boston US
BOS21:58
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1362
  Seattle. US
  SEA 05:00
  2h 44m
  1028 Miles
  Denver. US
  DEN 08:44
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 292
  Denver. US
  DEN 11:36
  2h 28m
  866 Miles
  Houston. US
  IAH 15:04
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1571
  Houston. US
  IAH 17:05
  3h 53m
  1603 Miles
  Boston. US
  BOS 21:58
  
  Operated by United Airlines
Seattle US
SEA06:38
14h 0m
3 Stops
Boston US
BOS23:38
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1400
  Seattle. US
  SEA 06:38
  6h 52m
  1725 Miles
  Chicago. US
  ORD 16:25
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 656
  Chicago. US
  ORD 18:05
  1h 56m
  590 Miles
  Washington. US
  IAD 21:01
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 352
  Washington. US
  IAD 22:01
  1h 37m
  414 Miles
  Boston. US
  BOS 23:38
  
  Operated by United Airlines
Seattle US
SEA06:38
14h 0m
2 Stops
Boston US
BOS23:38
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1400
  Seattle. US
  SEA 06:38
  2h 42m
  960 Miles
  Los Angeles. US
  LAX 09:20
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2159
  Los Angeles. US
  LAX 12:10
  4h 58m
  2296 Miles
  Washington. US
  IAD 20:08
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 352
  Washington. US
  IAD 22:01
  1h 37m
  414 Miles
  Boston. US
  BOS 23:38
  
  Operated by United Airlines
Seattle US
SEA07:15
14h 16m
2 Stops
Boston US
BOS00:31
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2368
  Seattle. US
  SEA 07:15
  4h 23m
  1883 Miles
  Houston. US
  IAH 13:38
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2406
  Houston. US
  IAH 16:20
  2h 47m
  930 Miles
  Chicago. US
  ORD 19:07
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2627
  Chicago. US
  ORD 21:10
  2h 21m
  869 Miles
  Boston. US
  BOS 00:31
  
  Operated by United Airlines
Seattle US
SEA19:10
14h 31m
3 Stops
Boston US
BOS12:41
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 418
  Seattle. US
  SEA 19:10
  6h 12m
  2313 Miles
  Washington. US
  IAD 05:21
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 4413
  Washington. US
  IAD 08:20
  1h 18m
  212 Miles
  New York. US
  EWR 09:38
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
3. Flight 3United Airlines UA 721
  New York. US
  EWR 11:29
  1h 12m
  201 Miles
  Boston. US
  BOS 12:41
  
  Operated by United Airlines
Seattle US
SEA16:47
14h 39m
2 Stops
Boston US
BOS10:26
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1835
  Seattle. US
  SEA 16:47
  7h 40m
  2313 Miles
  Washington. US
  IAD 06:33
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 641
  Washington. US
  IAD 08:50
  1h 36m
  414 Miles
  Boston. US
  BOS 10:26
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA05:44
14h 54m
2 Stops
Boston US
BOS23:38
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2140
  Seattle. US
  SEA 05:44
  2h 15m
  683 Miles
  San Francisco. US
  SFO 07:59
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 487
  San Francisco. US
  SFO 10:45
  5h 23m
  2426 Miles
  Washington. US
  IAD 19:08
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 352
  Washington. US
  IAD 22:01
  1h 37m
  414 Miles
  Boston. US
  BOS 23:38
  
  Operated by United Airlines
Seattle US
SEA05:44
14h 54m
3 Stops
Boston US
BOS23:38
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2140
  Seattle. US
  SEA 05:44
  6h 21m
  1883 Miles
  Houston. US
  IAH 15:11
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1286
  Houston. US
  IAH 16:48
  3h 2m
  1195 Miles
  Washington. US
  IAD 20:50
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 352
  Washington. US
  IAD 22:01
  1h 37m
  414 Miles
  Boston. US
  BOS 23:38
  
  Operated by United Airlines
Seattle US
SEA05:44
15h 47m
3 Stops
Boston US
BOS00:31
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2140
  Seattle. US
  SEA 05:44
  6h 21m
  1883 Miles
  Houston. US
  IAH 15:11
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 715
  Houston. US
  IAH 17:40
  2h 45m
  930 Miles
  Chicago. US
  ORD 20:25
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2627
  Chicago. US
  ORD 21:10
  2h 21m
  869 Miles
  Boston. US
  BOS 00:31
  
  Operated by United Airlines
Seattle US
SEA05:44
15h 47m
3 Stops
Boston US
BOS00:31
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2140
  Seattle. US
  SEA 05:44
  6h 21m
  1883 Miles
  Houston. US
  IAH 15:11
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2406
  Houston. US
  IAH 16:20
  2h 47m
  930 Miles
  Chicago. US
  ORD 19:07
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2627
  Chicago. US
  ORD 21:10
  2h 21m
  869 Miles
  Boston. US
  BOS 00:31
  
  Operated by United Airlines
Seattle US
SEA16:47
16h 54m
3 Stops
Boston US
BOS12:41
+1 day/s
Seattle - Boston
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1835
  Seattle. US
  SEA 16:47
  7h 40m
  2313 Miles
  Washington. US
  IAD 06:33
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 4413
  Washington. US
  IAD 08:20
  1h 18m
  212 Miles
  New York. US
  EWR 09:38
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
3. Flight 3United Airlines UA 721
  New York. US
  EWR 11:29
  1h 12m
  201 Miles
  Boston. US
  BOS 12:41
  
  Operated by United Airlines

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