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

Start your journey with just one click

Airline

1/30

Washington, D.C.

toSeattle

IAD-SEA

May 28, 2024

June 4, 2024

Sold byUnited Airlines

From

277USD Price subject to changes

Viewed:13 minutes ago

Roundtrip

Economy

2/30

Washington, D.C.

toSeattle

IAD-SEA

May 31, 2024

June 3, 2024

Sold byUnited Airlines

From

289USD Price subject to changes

Viewed:33 minutes ago

Roundtrip

Economy

3/30

Washington, D.C.

toSeattle

IAD-SEA

August 16, 2024

August 26, 2024

Sold byUnited Airlines

From

289USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

4/30

Washington, D.C.

toSeattle

IAD-SEA

August 6, 2024

August 16, 2024

Sold byUnited Airlines

From

289USD 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

Sunday

light rain

05/05/2024

10°C

05/05/2024

light rain

Monday

moderate rain

06/05/2024

13°C

06/05/2024

moderate rain

Tuesday

light rain

07/05/2024

15°C

07/05/2024

light rain

Wednesday

overcast clouds

08/05/2024

13°C

08/05/2024

overcast clouds

Thursday

sky is clear

09/05/2024

21°C

09/05/2024

sky is clear

Friday

sky is clear

10/05/2024

26°C

10/05/2024

sky is clear

Saturday

sky is clear

11/05/2024

28°C

11/05/2024

sky is clear

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 (22)

Sort by

Washington US
IAD08:45
5h 48m
No stops
Seattle US
SEA11:33
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 1599
  Washington. US
  IAD 08:45
  5h 48m
  2313 Miles
  Seattle. US
  SEA 11:33
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Washington US
IAD17:30
5h 48m
No stops
Seattle US
SEA20:18
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
  5h 48m
  2313 Miles
  Seattle. US
  SEA 20:18
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Washington US
IAD06:35
7h 52m
1 Stop
Seattle US
SEA11:27
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 1596
  Washington. US
  IAD 06:35
  2h 9m
  590 Miles
  Chicago. US
  ORD 07:44
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 1308
  Chicago. US
  ORD 08:50
  4h 37m
  1725 Miles
  Seattle. US
  SEA 11:27
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
Washington US
IAD17:35
7h 52m
1 Stop
Seattle US
SEA22:27
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 2497
  Washington. US
  IAD 17:35
  2h 14m
  590 Miles
  Chicago. US
  ORD 18:49
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2289
  Chicago. US
  ORD 19:45
  4h 42m
  1725 Miles
  Seattle. US
  SEA 22:27
  Boeing 737-900 Passenger
  Operated by United Airlines
Washington US
IAD08:19
8h 0m
1 Stop
Seattle US
SEA13:19
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 08:19
  2h 9m
  590 Miles
  Chicago. US
  ORD 09:28
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2333
  Chicago. US
  ORD 10:45
  4h 34m
  1725 Miles
  Seattle. US
  SEA 13:19
  Boeing 737-700 Passenger
  Operated by United Airlines
Washington US
IAD08:15
8h 11m
1 Stop
Seattle US
SEA13:26
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 1366
  Washington. US
  IAD 08:15
  3h 57m
  1457 Miles
  Denver. US
  DEN 10:12
  Boeing 777 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 690
  Denver. US
  DEN 11:25
  3h 1m
  1028 Miles
  Seattle. US
  SEA 13:26
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
Washington US
IAD12:46
8h 22m
1 Stop
Seattle US
SEA18:08
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 2074
  Washington. US
  IAD 12:46
  4h 0m
  1457 Miles
  Denver. US
  DEN 14:46
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1257
  Denver. US
  DEN 16:05
  3h 3m
  1028 Miles
  Seattle. US
  SEA 18:08
  Airbus A319 Passenger
  Operated by United Airlines
Washington US
IAD16:05
8h 22m
1 Stop
Seattle US
SEA21:27
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 1842
  Washington. US
  IAD 16:05
  4h 0m
  1457 Miles
  Denver. US
  DEN 18:05
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2201
  Denver. US
  DEN 19:24
  3h 3m
  1028 Miles
  Seattle. US
  SEA 21:27
  Boeing 737-900 Passenger
  Operated by United Airlines
Washington US
IAD10:15
8h 31m
1 Stop
Seattle US
SEA15:46
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 1538
  Washington. US
  IAD 10:15
  4h 0m
  1457 Miles
  Denver. US
  DEN 12:15
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 710
  Denver. US
  DEN 13:45
  3h 1m
  1028 Miles
  Seattle. US
  SEA 15:46
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Washington US
IAD17:38
8h 55m
1 Stop
Seattle US
SEA23:33
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 1943
  Washington. US
  IAD 17:38
  4h 1m
  1457 Miles
  Denver. US
  DEN 19:39
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2445
  Denver. US
  DEN 21:30
  3h 3m
  1028 Miles
  Seattle. US
  SEA 23:33
  Airbus A319 Passenger
  Operated by United Airlines
Washington US
IAD12:46
8h 59m
1 Stop
Seattle US
SEA18:45
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 1609
  Washington. US
  IAD 12:46
  2h 11m
  590 Miles
  Chicago. US
  ORD 13:57
  Boeing 737-700 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2278
  Chicago. US
  ORD 16:11
  4h 34m
  1725 Miles
  Seattle. US
  SEA 18:45
  Boeing 737-900 Passenger
  Operated by United Airlines
Washington US
IAD06:00
9h 7m
1 Stop
Seattle US
SEA12:07
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 1617
  Washington. US
  IAD 06:00
  5h 59m
  2426 Miles
  San Francisco. US
  SFO 08:59
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1986
  San Francisco. US
  SFO 09:40
  2h 27m
  683 Miles
  Seattle. US
  SEA 12:07
  Boeing 737-800 Passenger
  Operated by United Airlines
Washington US
IAD12:30
9h 11m
1 Stop
Seattle US
SEA18:41
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 2340
  Washington. US
  IAD 12:30
  6h 4m
  2426 Miles
  San Francisco. US
  SFO 15:34
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 2603
  San Francisco. US
  SFO 16:18
  2h 23m
  683 Miles
  Seattle. US
  SEA 18:41
  Boeing 737-800 Passenger
  Operated by United Airlines
Washington US
IAD12:42
9h 34m
1 Stop
Seattle US
SEA19:16
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 1193
  Washington. US
  IAD 12:42
  3h 25m
  1195 Miles
  Houston. US
  IAH 15:07
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 422
  Houston. US
  IAH 16:20
  4h 56m
  1883 Miles
  Seattle. US
  SEA 19:16
  Boeing 737-900 Passenger
  Operated by United Airlines
Washington US
IAD16:03
9h 50m
1 Stop
Seattle US
SEA22:53
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 1801
  Washington. US
  IAD 16:03
  5h 52m
  2296 Miles
  Los Angeles. US
  LAX 18:55
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 1631
  Los Angeles. US
  LAX 19:55
  2h 58m
  960 Miles
  Seattle. US
  SEA 22:53
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
Washington US
IAD14:35
9h 52m
1 Stop
Seattle US
SEA21:27
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 1550
  Washington. US
  IAD 14:35
  4h 0m
  1457 Miles
  Denver. US
  DEN 16:35
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2201
  Denver. US
  DEN 19:24
  3h 3m
  1028 Miles
  Seattle. US
  SEA 21:27
  Boeing 737-900 Passenger
  Operated by United Airlines
Washington US
IAD18:05
9h 53m
1 Stop
Seattle US
SEA00:58
+1 day/s
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 2344
  Washington. US
  IAD 18:05
  5h 53m
  2426 Miles
  San Francisco. US
  SFO 20:58
  Boeing 777-300ER Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1971
  San Francisco. US
  SFO 22:35
  2h 23m
  683 Miles
  Seattle. US
  SEA 00:58
  Airbus A320 Passenger
  Operated by United Airlines
Washington US
IAD06:00
9h 57m
1 Stop
Seattle US
SEA12:57
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 22m
  1195 Miles
  Houston. US
  IAH 08:22
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1797
  Houston. US
  IAH 10:00
  4h 57m
  1883 Miles
  Seattle. US
  SEA 12:57
  Boeing 737-900 Passenger
  Operated by United Airlines
Washington US
IAD08:20
10h 8m
1 Stop
Seattle US
SEA15:28
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 2127
  Washington. US
  IAD 08:20
  1h 15m
  212 Miles
  New York. US
  EWR 09:35
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1296
  New York. US
  EWR 12:25
  6h 3m
  2408 Miles
  Seattle. US
  SEA 15:28
  Boeing 737-900 Passenger
  Operated by United Airlines
Washington US
IAD08:30
10h 14m
1 Stop
Seattle US
SEA15:44
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 700
  Washington. US
  IAD 08:30
  5h 51m
  2426 Miles
  San Francisco. US
  SFO 11:21
  Boeing 787-8
  Operated by United Airlines
2. Flight 2United Airlines UA 1376
  San Francisco. US
  SFO 13:20
  2h 24m
  683 Miles
  Seattle. US
  SEA 15:44
  Airbus A319 Passenger
  Operated by United Airlines
Washington US
IAD14:17
10h 17m
1 Stop
Seattle US
SEA21:34
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 14:17
  6h 4m
  2426 Miles
  San Francisco. US
  SFO 17:21
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 370
  San Francisco. US
  SFO 19:10
  2h 24m
  683 Miles
  Seattle. US
  SEA 21:34
  Airbus A320 Passenger
  Operated by United Airlines
Washington US
IAD12:30
14h 3m
2 Stops
Seattle US
SEA23:33
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 3542
  Washington. US
  IAD 12:30
  1h 32m
  229 Miles
  New York. US
  LGA 14:02
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
2. Flight 2United Airlines UA 2445
  New York. US
  LGA 17:00
  7h 35m
  2419 Miles
  Seattle. US
  SEA 23:33
  Airbus A319 Passenger
  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

Washington - Seattle

Washington - Seattle

Washington - Seattle

Washington - Seattle

Washington - Seattle

Washington - Seattle

Washington - Seattle

Washington - Seattle

Washington - Seattle