Flights from Boston (BOS) to Seattle (SEA)

Flight schedules from Boston to Seattle 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 (51)

Sort by

Boston US
BOS10:57
8h 19m
1 Stop
Seattle US
SEA16:16
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 267
  Boston. US
  BOS 10:57
  2h 58m
  869 Miles
  Chicago. US
  ORD 12:55
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1485
  Chicago. US
  ORD 13:30
  4h 46m
  1725 Miles
  Seattle. US
  SEA 16:16
  Airbus A320 Passenger
  Operated by United Airlines
Boston US
BOS14:45
8h 46m
1 Stop
Seattle US
SEA20:31
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 214
  Boston. US
  BOS 14:45
  1h 43m
  414 Miles
  Washington. US
  IAD 16:28
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 326
  Washington. US
  IAD 17:30
  6h 1m
  2313 Miles
  Seattle. US
  SEA 20:31
  Boeing 737-900 Passenger
  Operated by United Airlines
Boston US
BOS15:14
8h 57m
1 Stop
Seattle US
SEA21:11
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 778
  Boston. US
  BOS 15:14
  4h 50m
  1759 Miles
  Denver. US
  DEN 18:04
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 299
  Denver. US
  DEN 19:05
  3h 6m
  1028 Miles
  Seattle. US
  SEA 21:11
  Airbus A321neo
  Operated by United Airlines
Boston US
BOS06:00
9h 7m
1 Stop
Seattle US
SEA12:07
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1414
  Boston. US
  BOS 06:00
  3h 3m
  869 Miles
  Chicago. US
  ORD 08:03
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2849
  Chicago. US
  ORD 09:20
  4h 47m
  1725 Miles
  Seattle. US
  SEA 12:07
  Boeing 737-800 Passenger
  Operated by United Airlines
Boston US
BOS16:43
9h 10m
1 Stop
Seattle US
SEA22:53
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2040
  Boston. US
  BOS 16:43
  2h 58m
  869 Miles
  Chicago. US
  ORD 18:41
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2211
  Chicago. US
  ORD 20:04
  4h 49m
  1725 Miles
  Seattle. US
  SEA 22:53
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
Boston US
BOS16:55
9h 14m
1 Stop
Seattle US
SEA23:09
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 800
  Boston. US
  BOS 16:55
  4h 45m
  1759 Miles
  Denver. US
  DEN 19:40
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 2651
  Denver. US
  DEN 21:04
  3h 5m
  1028 Miles
  Seattle. US
  SEA 23:09
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Boston US
BOS15:35
9h 25m
1 Stop
Seattle US
SEA22:00
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1977
  Boston. US
  BOS 15:35
  1h 24m
  201 Miles
  New York. US
  EWR 16:59
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2044
  New York. US
  EWR 18:40
  6h 20m
  2408 Miles
  Seattle. US
  SEA 22:00
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Boston US
BOS11:35
9h 40m
1 Stop
Seattle US
SEA18:15
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 414
  Boston. US
  BOS 11:35
  4h 50m
  1759 Miles
  Denver. US
  DEN 14:25
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 745
  Denver. US
  DEN 16:10
  3h 5m
  1028 Miles
  Seattle. US
  SEA 18:15
  Boeing 737-900 Passenger
  Operated by United Airlines
Boston US
BOS09:30
9h 46m
1 Stop
Seattle US
SEA16:16
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 216
  Boston. US
  BOS 09:30
  2h 58m
  869 Miles
  Chicago. US
  ORD 11:28
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1485
  Chicago. US
  ORD 13:30
  4h 46m
  1725 Miles
  Seattle. US
  SEA 16:16
  Airbus A320 Passenger
  Operated by United Airlines
Boston US
BOS07:00
9h 55m
1 Stop
Seattle US
SEA13:55
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 647
  Boston. US
  BOS 07:00
  4h 55m
  1759 Miles
  Denver. US
  DEN 09:55
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 690
  Denver. US
  DEN 11:50
  3h 5m
  1028 Miles
  Seattle. US
  SEA 13:55
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Boston US
BOS08:00
10h 45m
1 Stop
Seattle US
SEA15:45
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1008
  Boston. US
  BOS 08:00
  6h 53m
  2712 Miles
  San Francisco. US
  SFO 11:53
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 593
  San Francisco. US
  SFO 13:25
  2h 20m
  683 Miles
  Seattle. US
  SEA 15:45
  Boeing 737-800 Passenger
  Operated by United Airlines
Boston US
BOS13:30
10h 50m
1 Stop
Seattle US
SEA21:20
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1187
  Boston. US
  BOS 13:30
  6h 51m
  2712 Miles
  San Francisco. US
  SFO 17:21
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2019
  San Francisco. US
  SFO 19:00
  2h 20m
  683 Miles
  Seattle. US
  SEA 21:20
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Boston US
BOS06:00
10h 55m
2 Stops
Seattle US
SEA13:55
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1414
  Boston. US
  BOS 06:00
  3h 3m
  869 Miles
  Chicago. US
  ORD 08:03
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1733
  Chicago. US
  ORD 08:45
  2h 50m
  891 Miles
  Denver. US
  DEN 10:35
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 690
  Denver. US
  DEN 11:50
  3h 5m
  1028 Miles
  Seattle. US
  SEA 13:55
  
  Operated by United Airlines
Boston US
BOS15:14
10h 55m
1 Stop
Seattle US
SEA23:09
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 778
  Boston. US
  BOS 15:14
  4h 50m
  1759 Miles
  Denver. US
  DEN 18:04
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2651
  Denver. US
  DEN 21:04
  3h 5m
  1028 Miles
  Seattle. US
  SEA 23:09
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Boston US
BOS11:00
11h 8m
1 Stop
Seattle US
SEA19:08
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1413
  Boston. US
  BOS 11:00
  6h 51m
  2712 Miles
  San Francisco. US
  SFO 14:51
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2603
  San Francisco. US
  SFO 16:48
  2h 20m
  683 Miles
  Seattle. US
  SEA 19:08
  Airbus A320 Passenger
  Operated by United Airlines
Boston US
BOS14:45
11h 8m
2 Stops
Seattle US
SEA22:53
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 214
  Boston. US
  BOS 14:45
  1h 43m
  414 Miles
  Washington. US
  IAD 16:28
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 1117
  Washington. US
  IAD 17:36
  2h 19m
  590 Miles
  Chicago. US
  ORD 18:55
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2211
  Chicago. US
  ORD 20:04
  4h 49m
  1725 Miles
  Seattle. US
  SEA 22:53
  
  Operated by United Airlines
Boston US
BOS05:45
11h 10m
2 Stops
Seattle US
SEA13:55
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1734
  Boston. US
  BOS 05:45
  1h 46m
  414 Miles
  Washington. US
  IAD 07:31
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1017
  Washington. US
  IAD 08:33
  4h 2m
  1457 Miles
  Denver. US
  DEN 10:35
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 690
  Denver. US
  DEN 11:50
  3h 5m
  1028 Miles
  Seattle. US
  SEA 13:55
  
  Operated by United Airlines
Boston US
BOS14:45
11h 24m
2 Stops
Seattle US
SEA23:09
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 214
  Boston. US
  BOS 14:45
  1h 43m
  414 Miles
  Washington. US
  IAD 16:28
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 2463
  Washington. US
  IAD 17:20
  4h 8m
  1457 Miles
  Denver. US
  DEN 19:28
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2651
  Denver. US
  DEN 21:04
  3h 5m
  1028 Miles
  Seattle. US
  SEA 23:09
  
  Operated by United Airlines
Boston US
BOS09:35
11h 40m
2 Stops
Seattle US
SEA18:15
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2098
  Boston. US
  BOS 09:35
  1h 46m
  414 Miles
  Washington. US
  IAD 11:21
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2410
  Washington. US
  IAD 12:40
  4h 8m
  1457 Miles
  Denver. US
  DEN 14:48
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 745
  Denver. US
  DEN 16:10
  3h 5m
  1028 Miles
  Seattle. US
  SEA 18:15
  
  Operated by United Airlines
Boston US
BOS09:30
11h 45m
2 Stops
Seattle US
SEA18:15
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 216
  Boston. US
  BOS 09:30
  2h 58m
  869 Miles
  Chicago. US
  ORD 11:28
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1491
  Chicago. US
  ORD 12:45
  2h 51m
  891 Miles
  Denver. US
  DEN 14:36
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 745
  Denver. US
  DEN 16:10
  3h 5m
  1028 Miles
  Seattle. US
  SEA 18:15
  
  Operated by United Airlines
Boston US
BOS09:25
11h 50m
2 Stops
Seattle US
SEA18:15
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 515
  Boston. US
  BOS 09:25
  1h 25m
  201 Miles
  New York. US
  EWR 10:50
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 370
  New York. US
  EWR 12:16
  4h 21m
  1609 Miles
  Denver. US
  DEN 14:37
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 745
  Denver. US
  DEN 16:10
  3h 5m
  1028 Miles
  Seattle. US
  SEA 18:15
  
  Operated by United Airlines
Boston US
BOS12:12
11h 59m
2 Stops
Seattle US
SEA21:11
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 222
  Boston. US
  BOS 12:12
  2h 58m
  869 Miles
  Chicago. US
  ORD 14:10
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2436
  Chicago. US
  ORD 16:08
  2h 51m
  891 Miles
  Denver. US
  DEN 17:59
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 299
  Denver. US
  DEN 19:05
  3h 6m
  1028 Miles
  Seattle. US
  SEA 21:11
  
  Operated by United Airlines
Boston US
BOS13:50
12h 3m
2 Stops
Seattle US
SEA22:53
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2454
  Boston. US
  BOS 13:50
  1h 25m
  201 Miles
  New York. US
  EWR 15:15
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 661
  New York. US
  EWR 17:08
  2h 46m
  721 Miles
  Chicago. US
  ORD 18:54
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2211
  Chicago. US
  ORD 20:04
  4h 49m
  1725 Miles
  Seattle. US
  SEA 22:53
  
  Operated by United Airlines
Boston US
BOS13:50
12h 19m
2 Stops
Seattle US
SEA23:09
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2454
  Boston. US
  BOS 13:50
  1h 25m
  201 Miles
  New York. US
  EWR 15:15
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 423
  New York. US
  EWR 17:14
  4h 22m
  1609 Miles
  Denver. US
  DEN 19:36
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2651
  Denver. US
  DEN 21:04
  3h 5m
  1028 Miles
  Seattle. US
  SEA 23:09
  
  Operated by United Airlines
Boston US
BOS13:30
12h 30m
1 Stop
Seattle US
SEA23:00
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1976
  Boston. US
  BOS 13:30
  4h 40m
  1603 Miles
  Houston. US
  IAH 17:10
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2456
  Houston. US
  IAH 19:59
  5h 1m
  1883 Miles
  Seattle. US
  SEA 23:00
  Boeing 737-900 Passenger
  Operated by United Airlines
Boston US
BOS09:35
12h 33m
2 Stops
Seattle US
SEA19:08
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2098
  Boston. US
  BOS 09:35
  1h 46m
  414 Miles
  Washington. US
  IAD 11:21
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1126
  Washington. US
  IAD 12:35
  6h 7m
  2426 Miles
  San Francisco. US
  SFO 15:42
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 2603
  San Francisco. US
  SFO 16:48
  2h 20m
  683 Miles
  Seattle. US
  SEA 19:08
  
  Operated by United Airlines
Boston US
BOS09:30
12h 38m
2 Stops
Seattle US
SEA19:08
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 216
  Boston. US
  BOS 09:30
  2h 58m
  869 Miles
  Chicago. US
  ORD 11:28
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1878
  Chicago. US
  ORD 12:45
  4h 53m
  1851 Miles
  San Francisco. US
  SFO 15:38
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2603
  San Francisco. US
  SFO 16:48
  2h 20m
  683 Miles
  Seattle. US
  SEA 19:08
  
  Operated by United Airlines
Boston US
BOS13:30
12h 39m
2 Stops
Seattle US
SEA23:09
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1976
  Boston. US
  BOS 13:30
  4h 40m
  1603 Miles
  Houston. US
  IAH 17:10
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1654
  Houston. US
  IAH 18:05
  2h 46m
  866 Miles
  Denver. US
  DEN 19:51
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 2651
  Denver. US
  DEN 21:04
  3h 5m
  1028 Miles
  Seattle. US
  SEA 23:09
  
  Operated by United Airlines
Boston US
BOS09:25
12h 43m
2 Stops
Seattle US
SEA19:08
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 515
  Boston. US
  BOS 09:25
  1h 25m
  201 Miles
  New York. US
  EWR 10:50
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 618
  New York. US
  EWR 12:00
  6h 17m
  2573 Miles
  San Francisco. US
  SFO 15:17
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2603
  San Francisco. US
  SFO 16:48
  2h 20m
  683 Miles
  Seattle. US
  SEA 19:08
  
  Operated by United Airlines
Boston US
BOS06:31
12h 45m
2 Stops
Seattle US
SEA16:16
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 570
  Boston. US
  BOS 06:31
  1h 27m
  201 Miles
  New York. US
  EWR 07:58
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 312
  New York. US
  EWR 09:00
  2h 44m
  721 Miles
  Chicago. US
  ORD 10:44
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1485
  Chicago. US
  ORD 13:30
  4h 46m
  1725 Miles
  Seattle. US
  SEA 16:16
  
  Operated by United Airlines
Boston US
BOS06:31
12h 45m
2 Stops
Seattle US
SEA16:16
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 570
  Boston. US
  BOS 06:31
  1h 27m
  201 Miles
  New York. US
  EWR 07:58
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1525
  New York. US
  EWR 10:00
  2h 38m
  721 Miles
  Chicago. US
  ORD 11:38
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 1485
  Chicago. US
  ORD 13:30
  4h 46m
  1725 Miles
  Seattle. US
  SEA 16:16
  
  Operated by United Airlines
Boston US
BOS09:15
12h 53m
2 Stops
Seattle US
SEA19:08
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 662
  Boston. US
  BOS 09:15
  4h 50m
  1759 Miles
  Denver. US
  DEN 12:05
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 304
  Denver. US
  DEN 13:34
  2h 51m
  970 Miles
  San Francisco. US
  SFO 15:25
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 2603
  San Francisco. US
  SFO 16:48
  2h 20m
  683 Miles
  Seattle. US
  SEA 19:08
  
  Operated by United Airlines
Boston US
BOS10:57
13h 14m
2 Stops
Seattle US
SEA21:11
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 267
  Boston. US
  BOS 10:57
  2h 58m
  869 Miles
  Chicago. US
  ORD 12:55
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 310
  Chicago. US
  ORD 14:39
  2h 51m
  891 Miles
  Denver. US
  DEN 16:30
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 299
  Denver. US
  DEN 19:05
  3h 6m
  1028 Miles
  Seattle. US
  SEA 21:11
  
  Operated by United Airlines
Boston US
BOS06:00
13h 16m
2 Stops
Seattle US
SEA16:16
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1833
  Boston. US
  BOS 06:00
  1h 29m
  201 Miles
  New York. US
  EWR 07:29
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1525
  New York. US
  EWR 10:00
  2h 38m
  721 Miles
  Chicago. US
  ORD 11:38
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 1485
  Chicago. US
  ORD 13:30
  4h 46m
  1725 Miles
  Seattle. US
  SEA 16:16
  
  Operated by United Airlines
Boston US
BOS06:00
13h 16m
2 Stops
Seattle US
SEA16:16
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1833
  Boston. US
  BOS 06:00
  1h 29m
  201 Miles
  New York. US
  EWR 07:29
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 312
  New York. US
  EWR 09:00
  2h 44m
  721 Miles
  Chicago. US
  ORD 10:44
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1485
  Chicago. US
  ORD 13:30
  4h 46m
  1725 Miles
  Seattle. US
  SEA 16:16
  
  Operated by United Airlines
Boston US
BOS12:12
13h 18m
2 Stops
Seattle US
SEA22:30
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 222
  Boston. US
  BOS 12:12
  2h 58m
  869 Miles
  Chicago. US
  ORD 14:10
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1732
  Chicago. US
  ORD 15:35
  4h 39m
  1750 Miles
  Los Angeles. US
  LAX 18:14
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1875
  Los Angeles. US
  LAX 19:30
  3h 0m
  960 Miles
  Seattle. US
  SEA 22:30
  
  Operated by United Airlines
Boston US
BOS08:30
13h 38m
2 Stops
Seattle US
SEA19:08
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 311
  Boston. US
  BOS 08:30
  6h 35m
  2619 Miles
  Los Angeles. US
  LAX 12:05
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2234
  Los Angeles. US
  LAX 13:48
  1h 34m
  339 Miles
  San Francisco. US
  SFO 15:22
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2603
  San Francisco. US
  SFO 16:48
  2h 20m
  683 Miles
  Seattle. US
  SEA 19:08
  
  Operated by United Airlines
Boston US
BOS10:25
13h 46m
2 Stops
Seattle US
SEA21:11
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 592
  Boston. US
  BOS 10:25
  1h 25m
  201 Miles
  New York. US
  EWR 11:50
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 525
  New York. US
  EWR 14:15
  4h 21m
  1609 Miles
  Denver. US
  DEN 16:36
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 299
  Denver. US
  DEN 19:05
  3h 6m
  1028 Miles
  Seattle. US
  SEA 21:11
  
  Operated by United Airlines
Boston US
BOS12:12
13h 48m
2 Stops
Seattle US
SEA23:00
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 222
  Boston. US
  BOS 12:12
  2h 58m
  869 Miles
  Chicago. US
  ORD 14:10
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2678
  Chicago. US
  ORD 15:40
  3h 3m
  930 Miles
  Houston. US
  IAH 18:43
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 2456
  Houston. US
  IAH 19:59
  5h 1m
  1883 Miles
  Seattle. US
  SEA 23:00
  
  Operated by United Airlines
Boston US
BOS11:35
13h 55m
2 Stops
Seattle US
SEA22:30
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 414
  Boston. US
  BOS 11:35
  4h 50m
  1759 Miles
  Denver. US
  DEN 14:25
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 564
  Denver. US
  DEN 16:10
  2h 36m
  865 Miles
  Los Angeles. US
  LAX 17:46
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1875
  Los Angeles. US
  LAX 19:30
  3h 0m
  960 Miles
  Seattle. US
  SEA 22:30
  
  Operated by United Airlines
Boston US
BOS07:05
14h 10m
2 Stops
Seattle US
SEA18:15
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 226
  Boston. US
  BOS 07:05
  4h 40m
  1603 Miles
  Houston. US
  IAH 10:45
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1333
  Houston. US
  IAH 12:40
  2h 46m
  866 Miles
  Denver. US
  DEN 14:26
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 745
  Denver. US
  DEN 16:10
  3h 5m
  1028 Miles
  Seattle. US
  SEA 18:15
  
  Operated by United Airlines
Boston US
BOS10:57
14h 33m
2 Stops
Seattle US
SEA22:30
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 267
  Boston. US
  BOS 10:57
  2h 58m
  869 Miles
  Chicago. US
  ORD 12:55
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 378
  Chicago. US
  ORD 13:55
  4h 41m
  1750 Miles
  Los Angeles. US
  LAX 16:36
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 1875
  Los Angeles. US
  LAX 19:30
  3h 0m
  960 Miles
  Seattle. US
  SEA 22:30
  
  Operated by United Airlines
Boston US
BOS10:57
14h 33m
2 Stops
Seattle US
SEA22:30
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 267
  Boston. US
  BOS 10:57
  2h 58m
  869 Miles
  Chicago. US
  ORD 12:55
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1732
  Chicago. US
  ORD 15:35
  4h 39m
  1750 Miles
  Los Angeles. US
  LAX 18:14
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1875
  Los Angeles. US
  LAX 19:30
  3h 0m
  960 Miles
  Seattle. US
  SEA 22:30
  
  Operated by United Airlines
Boston US
BOS10:57
15h 3m
2 Stops
Seattle US
SEA23:00
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 267
  Boston. US
  BOS 10:57
  2h 58m
  869 Miles
  Chicago. US
  ORD 12:55
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1373
  Chicago. US
  ORD 14:02
  3h 2m
  930 Miles
  Houston. US
  IAH 17:04
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2456
  Houston. US
  IAH 19:59
  5h 1m
  1883 Miles
  Seattle. US
  SEA 23:00
  
  Operated by United Airlines
Boston US
BOS10:57
15h 3m
2 Stops
Seattle US
SEA23:00
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 267
  Boston. US
  BOS 10:57
  2h 58m
  869 Miles
  Chicago. US
  ORD 12:55
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2678
  Chicago. US
  ORD 15:40
  3h 3m
  930 Miles
  Houston. US
  IAH 18:43
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 2456
  Houston. US
  IAH 19:59
  5h 1m
  1883 Miles
  Seattle. US
  SEA 23:00
  
  Operated by United Airlines
Boston US
BOS10:25
15h 5m
2 Stops
Seattle US
SEA22:30
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 592
  Boston. US
  BOS 10:25
  1h 25m
  201 Miles
  New York. US
  EWR 11:50
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2191
  New York. US
  EWR 14:45
  6h 13m
  2462 Miles
  Los Angeles. US
  LAX 17:58
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1875
  Los Angeles. US
  LAX 19:30
  3h 0m
  960 Miles
  Seattle. US
  SEA 22:30
  
  Operated by United Airlines
Boston US
BOS10:25
15h 35m
2 Stops
Seattle US
SEA23:00
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 592
  Boston. US
  BOS 10:25
  1h 25m
  201 Miles
  New York. US
  EWR 11:50
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1590
  New York. US
  EWR 14:12
  4h 13m
  1405 Miles
  Houston. US
  IAH 17:25
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
3. Flight 3United Airlines UA 2456
  Houston. US
  IAH 19:59
  5h 1m
  1883 Miles
  Seattle. US
  SEA 23:00
  
  Operated by United Airlines
Boston US
BOS09:35
15h 55m
2 Stops
Seattle US
SEA22:30
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2098
  Boston. US
  BOS 09:35
  1h 46m
  414 Miles
  Washington. US
  IAD 11:21
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 773
  Washington. US
  IAD 14:19
  5h 53m
  2296 Miles
  Los Angeles. US
  LAX 17:12
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1875
  Los Angeles. US
  LAX 19:30
  3h 0m
  960 Miles
  Seattle. US
  SEA 22:30
  
  Operated by United Airlines
Boston US
BOS09:30
16h 0m
2 Stops
Seattle US
SEA22:30
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 216
  Boston. US
  BOS 09:30
  2h 58m
  869 Miles
  Chicago. US
  ORD 11:28
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 378
  Chicago. US
  ORD 13:55
  4h 41m
  1750 Miles
  Los Angeles. US
  LAX 16:36
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 1875
  Los Angeles. US
  LAX 19:30
  3h 0m
  960 Miles
  Seattle. US
  SEA 22:30
  
  Operated by United Airlines
Boston US
BOS06:00
16h 8m
2 Stops
Seattle US
SEA19:08
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1414
  Boston. US
  BOS 06:00
  3h 3m
  869 Miles
  Chicago. US
  ORD 08:03
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 343
  Chicago. US
  ORD 10:50
  4h 58m
  1851 Miles
  San Francisco. US
  SFO 13:48
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
3. Flight 3United Airlines UA 2603
  San Francisco. US
  SFO 16:48
  2h 20m
  683 Miles
  Seattle. US
  SEA 19:08
  
  Operated by United Airlines
Boston US
BOS09:30
16h 30m
2 Stops
Seattle US
SEA23:00
Boston - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 216
  Boston. US
  BOS 09:30
  2h 58m
  869 Miles
  Chicago. US
  ORD 11:28
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1373
  Chicago. US
  ORD 14:02
  3h 2m
  930 Miles
  Houston. US
  IAH 17:04
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2456
  Houston. US
  IAH 19:59
  5h 1m
  1883 Miles
  Seattle. US
  SEA 23:00
  
  Operated by United Airlines

Start your journey with just one click

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle

Boston - Seattle