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

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Airline

1/27

Washington, D.C.

toSeattle

IAD-SEA

March 1, 2025

March 3, 2025

Sold byUnited Airlines

From

282USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

2/27

Washington, D.C.

toSeattle

IAD-SEA

February 7, 2025

February 9, 2025

Sold byUnited Airlines

From

287USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

3/27

Washington, D.C.

toSeattle

IAD-SEA

March 5, 2025

March 8, 2025

Sold byUnited Airlines

From

287USD Price subject to changes

Viewed:an hour ago

Roundtrip

Economy

4/27

Washington, D.C.

toSeattle

IAD-SEA

February 12, 2025

February 23, 2025

Sold byUnited Airlines

From

292USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

*Prices have been offered for round trips within the last 48 hours and might not be currently available. Not all Star Alliance Member Airlines or all fares/options are shown. Additional baggage fees, payment fees and fees for other optional services may apply. When booking, please check for restrictions on refunds, rebooking and baggage allowance that may apply. Prices may vary depending on the route and flights selected. Routings may include stopovers. Terms and conditions apply.

Weather in Seattle

Friday

overcast clouds

17/01/2025

5°C

17/01/2025

overcast clouds

Saturday

overcast clouds

18/01/2025

5°C

18/01/2025

overcast clouds

Sunday

sky is clear

19/01/2025

5°C

19/01/2025

sky is clear

Monday

broken clouds

20/01/2025

5°C

20/01/2025

broken clouds

Tuesday

broken clouds

21/01/2025

6°C

21/01/2025

broken clouds

Wednesday

overcast clouds

22/01/2025

7°C

22/01/2025

overcast clouds

Thursday

overcast clouds

23/01/2025

6°C

23/01/2025

overcast clouds

Flight schedules from Washington, D.C. 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 (13)

Sort by

Washington US
IAD17:30
6h 1m
No stops
Seattle US
SEA20:31
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United 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
Washington US
IAD08:25
7h 57m
1 Stop
Seattle US
SEA13:22
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2440
  Washington. US
  IAD 08:25
  2h 19m
  590 Miles
  Chicago. US
  ORD 09:44
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2849
  Chicago. US
  ORD 10:35
  4h 47m
  1725 Miles
  Seattle. US
  SEA 13:22
  Boeing 737-800 Passenger
  Operated by United Airlines
Washington US
IAD16:00
8h 11m
1 Stop
Seattle US
SEA21:11
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1218
  Washington. US
  IAD 16:00
  4h 8m
  1457 Miles
  Denver. US
  DEN 18:08
  Boeing 737-800 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
Washington US
IAD08:33
8h 22m
1 Stop
Seattle US
SEA13:55
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1017
  Washington. US
  IAD 08:33
  4h 2m
  1457 Miles
  Denver. US
  DEN 10:35
  Boeing 777 Passenger
  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
Washington US
IAD12:43
8h 32m
1 Stop
Seattle US
SEA18:15
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2410
  Washington. US
  IAD 12:43
  4h 8m
  1457 Miles
  Denver. US
  DEN 14:51
  Boeing 737-900 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
Washington US
IAD17:36
8h 34m
1 Stop
Seattle US
SEA23:10
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1117
  Washington. US
  IAD 17:36
  2h 19m
  590 Miles
  Chicago. US
  ORD 18:55
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2211
  Chicago. US
  ORD 20:21
  4h 49m
  1725 Miles
  Seattle. US
  SEA 23:10
  Airbus A320 Passenger
  Operated by United Airlines
Washington US
IAD12:35
9h 33m
1 Stop
Seattle US
SEA19:08
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United 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
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
Washington US
IAD14:42
9h 38m
1 Stop
Seattle US
SEA21:20
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2228
  Washington. US
  IAD 14:42
  6h 8m
  2426 Miles
  San Francisco. US
  SFO 17:50
  Boeing 737-900 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 737-800 Passenger
  Operated by United Airlines
Washington US
IAD06:00
9h 53m
1 Stop
Seattle US
SEA12:53
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1688
  Washington. US
  IAD 06:00
  3h 39m
  1195 Miles
  Houston. US
  IAH 08:39
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2606
  Houston. US
  IAH 09:52
  5h 1m
  1883 Miles
  Seattle. US
  SEA 12:53
  Boeing 737-900 Passenger
  Operated by United Airlines
Washington US
IAD06:32
10h 0m
1 Stop
Seattle US
SEA13:32
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1095
  Washington. US
  IAD 06:32
  6h 8m
  2426 Miles
  San Francisco. US
  SFO 09:40
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2315
  San Francisco. US
  SFO 11:12
  2h 20m
  683 Miles
  Seattle. US
  SEA 13:32
  Airbus A320 Passenger
  Operated by United Airlines
Washington US
IAD08:35
10h 10m
1 Stop
Seattle US
SEA15:45
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1116
  Washington. US
  IAD 08:35
  6h 12m
  2426 Miles
  San Francisco. US
  SFO 11:47
  Boeing 737-900 Passenger
  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
Washington US
IAD14:19
11h 11m
1 Stop
Seattle US
SEA22:30
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United 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
2. Flight 2United Airlines UA 1875
  Los Angeles. US
  LAX 19:30
  3h 0m
  960 Miles
  Seattle. US
  SEA 22:30
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Washington US
IAD12:41
11h 39m
2 Stops
Seattle US
SEA21:20
Washington - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1053
  Washington. US
  IAD 12:41
  5h 53m
  2296 Miles
  Los Angeles. US
  LAX 15:34
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2019
  Los Angeles. US
  LAX 16:10
  3h 54m
  960 Miles
  Seattle. US
  SEA 21:20
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines

Start your journey with just one click

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