Airlines with flights from Dulles to Seattle

There are four airlines with scheduled flights between IAD and SEA. Alaska Airlines, United and Delta has non-stop flights from Dulles to Seattle Airport and the flight time is 5 hours and 56 minutes.

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Non-stop

5h 56min

Non-stop

5h 51min

Non-stop

6h 1min

Via Denver

8h 31min

Via Dallas

9h 56min

Via Atlanta

9h 35min

Via Detroit

8h 19min

Via Minneapolis

8h 41min

Via Charlotte

9h 21min

Via Denver

8h 0min

Via Chicago

8h 39min

Via Salt Lake City

7h 50min

Starts 06/03

Via Las Vegas

12h 30min

Via New York

9h 22min

Via Pittsburgh

12h 58min

Via Las Vegas

11h 45min

Starts 07/04

Via Minneapolis

7h 52min

Starts 09/03

Via New York

10h 4min

Starts 06/03

Via Atlanta

13h 3min

Starts 30/03

Via Nashville

12h 37min

Starts 06/03

Via New York

13h 57min

NEW Starts 06/03

Via Indianapolis

11h 21min

NEW Starts 22/05

Via Columbus

10h 50min

NEW Starts 13/02

Via Philadelphia

11h 6min

NEW

Via Raleigh/Durham

12h 52min

NEW

Via Knoxville

13h 5min

Schedules

Non-stop with Alaska Airlines

Total flight time: 5 hours and 56 minutes
One World Alliance
Seattle is a Alaska Airlines hub (Primary hub).

7 flights per week
Boeing 737MAX 9 Passenger

Boeing 737MAX 8 Passenger

Boeing 737-900 (winglets) Passenger/BBJ3
First class available

IAD

Direct

SEA

Flight

Mon

Feb 17

Tue

Feb 18

Wed

Feb 19

Thu

Feb 20

Fri

Feb 21

Sat

Feb 22

Sun

Feb 23

AS308

07:00

AS351

18:48

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18:48

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18:48

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The timetable & schedule information was updated at 2025-01-15

Non-stop with United Airlines

Total flight time: 5 hours and 51 minutes
Dulles is a United Airlines hub (Secondary hub).

7 flights per week
Boeing 737-900 Passenger
First class available

IAD

Direct

SEA

Flight

Mon

Feb 17

Tue

Feb 18

Wed

Feb 19

Thu

Feb 20

Fri

Feb 21

Sat

Feb 22

Sun

Feb 23

UA1730

17:19

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The timetable & schedule information was updated at 2025-01-15

Non-stop with Delta Air Lines

Total flight time: 6 hours and 1 minutes
Sky Team Alliance
Seattle is a Delta Air Lines hub.

7 flights per week
Code 223
First class available

IAD

Direct

SEA

Flight

Mon

Feb 17

Tue

Feb 18

Wed

Feb 19

Thu

Feb 20

Fri

Feb 21

Sat

Feb 22

Sun

Feb 23

DL508

16:23

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CHECK PRICES FOR IAD - SEA

The timetable & schedule information was updated at 2025-01-15

Via Denver with United Airlines

Total flight time: 7h 46m - 10h 09m.
Dulles is a United Airlines hub (Secondary hub).

26 flights per week
Boeing 737-900 Passenger

IAD

Via DEN

SEA

Flight

Mon

Feb 17

Tue

Feb 18

Wed

Feb 19

Thu

Feb 20

Fri

Feb 21

Sat

Feb 22

Sun

Feb 23

UA1663
UA1330

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06:02

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06:02

UA1366
UA690

08:20

08:15

08:20

UA2410
UA745

12:35

UA1709
UA2278

12:45

12:38

12:45

UA6058
UA2211

12:50

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UA3618
UA2211

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