Flights from Seattle (SEA) to Washington, D.C. (DCA)

Flight schedules from Seattle to Washington, D.C. 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 (22)

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Seattle US
SEA07:15
10h 47m
1 Stop
Washington US
IAD21:02
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1370
  Seattle. US
  SEA 07:15
  7h 25m
  2313 Miles
  Washington. US
  IAD 21:02
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA08:06
5h 4m
No stops
Washington US
IAD16:10
Seattle - Washington
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
Seattle US
SEA13:00
5h 1m
No stops
Washington US
IAD21:01
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 352
  Seattle. US
  SEA 13:00
  5h 1m
  2313 Miles
  Washington. US
  IAD 21:01
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA14:21
6h 51m
1 Stop
Washington US
IAD00:12
+1 day/s
Seattle - Washington
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 14:21
  3h 58m
  1725 Miles
  Chicago. US
  ORD 20:19
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2386
  Chicago. US
  ORD 21:20
  1h 52m
  590 Miles
  Washington. US
  IAD 00:12
  Boeing 737-700 Passenger
  Operated by United Airlines
Seattle US
SEA19:10
7h 11m
1 Stop
Washington US
IAD05:21
+1 day/s
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1936
  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 400
  Denver. US
  DEN 23:59
  3h 22m
  1457 Miles
  Washington. US
  IAD 05:21
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA10:49
7h 12m
1 Stop
Washington US
IAD21:01
Seattle - Washington
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 511
  Chicago. US
  ORD 18:05
  1h 56m
  590 Miles
  Washington. US
  IAD 21:01
  Boeing 757-200 Passenger
  Operated by United Airlines
Seattle US
SEA12:50
7h 24m
1 Stop
Washington US
IAD23:14
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1029
  Seattle. US
  SEA 12:50
  2h 48m
  1028 Miles
  Denver. US
  DEN 16:38
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2408
  Denver. US
  DEN 17:52
  3h 22m
  1457 Miles
  Washington. US
  IAD 23:14
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA05:00
7h 38m
1 Stop
Washington US
IAD15:38
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2637
  Seattle. US
  SEA 05:00
  2h 44m
  1028 Miles
  Denver. US
  DEN 08:44
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 672
  Denver. US
  DEN 10:20
  3h 18m
  1457 Miles
  Washington. US
  IAD 15:38
  Boeing 757-300 Passenger
  Operated by United Airlines
Seattle US
SEA08:20
7h 57m
1 Stop
Washington US
IAD19:17
Seattle - Washington
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 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
Seattle US
SEA11:16
8h 26m
1 Stop
Washington US
IAD22:42
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2017
  Seattle. US
  SEA 11:16
  4h 22m
  1883 Miles
  Houston. US
  IAH 17:38
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2405
  Houston. US
  IAH 18:41
  3h 1m
  1195 Miles
  Washington. US
  IAD 22:42
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA23:59
8h 27m
1 Stop
Washington US
IAD11:26
+1 day/s
Seattle - Washington
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 1727
  Houston. US
  IAH 07:20
  3h 6m
  1195 Miles
  Washington. US
  IAD 11:26
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA19:43
8h 30m
1 Stop
Washington US
IAD07:13
+1 day/s
Seattle - Washington
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 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 23m
  2426 Miles
  Washington. US
  IAD 07:13
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA11:45
8h 33m
1 Stop
Washington US
IAD23:18
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 450
  Seattle. US
  SEA 11:45
  5h 18m
  2408 Miles
  New York. US
  EWR 20:03
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2204
  New York. US
  EWR 21:59
  1h 19m
  212 Miles
  Washington. US
  IAD 23:18
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA07:25
8h 43m
1 Stop
Washington US
IAD19:08
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 501
  Seattle. US
  SEA 07:25
  2h 20m
  683 Miles
  San Francisco. US
  SFO 09:45
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1678
  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
Seattle US
SEA13:10
8h 55m
1 Stop
Washington US
IAD01:05
+1 day/s
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1896
  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 372
  San Francisco. US
  SFO 16:48
  5h 17m
  2426 Miles
  Washington. US
  IAD 01:05
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA23:38
9h 5m
1 Stop
Washington US
IAD11:43
+1 day/s
Seattle - Washington
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 23:38
  5h 14m
  2408 Miles
  New York. US
  EWR 07:52
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 4388
  New York. US
  EWR 10:11
  1h 32m
  212 Miles
  Washington. US
  IAD 11:43
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
Seattle US
SEA07:15
9h 20m
1 Stop
Washington US
IAD19:35
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1370
  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 1734
  Houston. US
  IAH 15:33
  3h 2m
  1195 Miles
  Washington. US
  IAD 19:35
  Airbus A320 Passenger
  Operated by United Airlines
Seattle US
SEA16:47
9h 32m
1 Stop
Washington US
IAD05:19
+1 day/s
Seattle - Washington
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 234
  Los Angeles. US
  LAX 21:22
  4h 57m
  2296 Miles
  Washington. US
  IAD 05:19
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Seattle US
SEA05:44
10h 24m
1 Stop
Washington US
IAD19:08
Seattle - Washington
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 05:44
  2h 15m
  683 Miles
  San Francisco. US
  SFO 07:59
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1678
  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
Seattle US
SEA06:38
10h 25m
1 Stop
Washington US
IAD20:03
Seattle - Washington
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 12:05
  4h 58m
  2296 Miles
  Washington. US
  IAD 20:03
  Boeing 737-900 Passenger
  Operated by United Airlines
Seattle US
SEA07:25
10h 40m
2 Stops
Washington US
IAD21:05
Seattle - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 501
  Seattle. US
  SEA 07:25
  5h 11m
  1028 Miles
  Denver. US
  DEN 14:51
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 798
  Denver. US
  DEN 15:49
  3h 16m
  1457 Miles
  Washington. US
  IAD 21:05
  Boeing 777 Passenger
  Operated by United Airlines
Seattle US
SEA06:38
11h 23m
2 Stops
Washington US
IAD21:01
Seattle - Washington
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 56m
  1725 Miles
  Chicago. US
  ORD 16:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 511
  Chicago. US
  ORD 18:05
  1h 56m
  590 Miles
  Washington. US
  IAD 21:01
  Boeing 757-200 Passenger
  Operated by United Airlines

Flights from Seattle (SEA) to Washington, D.C. (DCA) with Star Alliance

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Flight schedules from Seattle to Washington, D.C. with Star Alliance member carriers

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington

Seattle - Washington