All airlines flying from Seattle-Tacoma (SEA) to Dulles, Washington (IAD).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:55 Seattle-Tacoma (SEA) 17:58 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:03 Effective 2024-12-19 through 2025-01-05 Codeshare flight, operated by Alaska Airlines.(AS 406)
Daily 10:00 Seattle-Tacoma (SEA) 18:09 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:09 Valid until 2024-09-19 Codeshare flight, operated by Alaska Airlines.(AS 406)
Fri 10:00 Seattle-Tacoma (SEA) 18:09 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Operates only on 2024-09-20 Codeshare flight, operated by Alaska Airlines.(AS 406)
Daily 10:00 Seattle-Tacoma (SEA) 18:09 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:09 Effective 2024-09-21 through 2024-09-30 Codeshare flight, operated by Alaska Airlines.(AS 406)
Daily 10:00 Seattle-Tacoma (SEA) 18:00 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:00 Effective from 2025-03-19 Codeshare flight, operated by Alaska Airlines.(AS 406)
Tue 10:04 Seattle-Tacoma (SEA) 18:06 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Operates only on 2024-10-01 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Wed-Sun 10:04 Seattle-Tacoma (SEA) 18:06 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:02 Effective 2024-10-02 through 2024-10-07 Codeshare flight, operated by Alaska Airlines.(AS 406)
Tue 10:04 Seattle-Tacoma (SEA) 18:06 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737-800 (73H) 5:02 Operates only on 2024-10-08 Codeshare flight, operated by Alaska Airlines.(AS 406)
Tue,Wed,Sat 10:04 Seattle-Tacoma (SEA) 18:06 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Effective 2024-10-09 through 2024-10-15 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Wed-Fri,Sun 10:04 Seattle-Tacoma (SEA) 18:06 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:02 Effective 2024-10-10 through 2024-10-18 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Tue,Thu-Sun 10:04 Seattle-Tacoma (SEA) 18:06 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:02 Effective 2024-10-19 through 2024-10-26 Codeshare flight, operated by Alaska Airlines.(AS 406)
Wed 10:04 Seattle-Tacoma (SEA) 18:06 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Operates only on 2024-10-23 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Wed-Sun 10:04 Seattle-Tacoma (SEA) 18:06 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:02 Effective 2024-11-22 through 2024-12-02 Codeshare flight, operated by Alaska Airlines.(AS 406)
Tue 10:04 Seattle-Tacoma (SEA) 18:06 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Operates only on 2024-11-26 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Sun 10:16 Seattle-Tacoma (SEA) 18:12 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 4:56 Effective 2024-10-27 through 2024-10-28 Codeshare flight, operated by Alaska Airlines.(AS 406)
Thu,Fri,Sun 10:16 Seattle-Tacoma (SEA) 18:12 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 4:56 Effective 2024-10-31 through 2024-11-21 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon 10:16 Seattle-Tacoma (SEA) 18:12 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737-800 (73H) 4:56 Operates only on 2024-11-04 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon 10:16 Seattle-Tacoma (SEA) 18:12 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 4:56 Effective 2024-11-11 through 2024-11-18 Codeshare flight, operated by Alaska Airlines.(AS 406)
Daily 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:08 Effective 2025-01-06 through 2025-01-19 Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:08 Effective 2025-01-21 through 2025-01-28 Codeshare flight, operated by Delta Air Lines.(DL 508)
Mon,Wed-Sun 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:08 Effective 2025-01-30 through 2025-02-07 Codeshare flight, operated by Delta Air Lines.(DL 508)
Mon-Wed,Fri-Sun 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:08 Effective 2025-02-09 through 2025-02-15 Codeshare flight, operated by Delta Air Lines.(DL 508)
Mon-Thu,Sat,Sun 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:08 Effective 2025-02-17 through 2025-02-27 Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:08 Effective 2025-02-28 through 2025-03-08 Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-100 (221) 5:08 Effective 2025-03-09 through 2025-04-13 Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 07:35 Seattle-Tacoma (SEA) 15:47 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:12 Effective 2025-04-14 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 07:35 Seattle-Tacoma (SEA) 15:42 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:07 Effective from 2025-06-08 Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 08:05 Seattle-Tacoma (SEA) 16:11 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-100 (221) 5:06 Effective 2024-12-03 through 2024-12-18 Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 08:20 Seattle-Tacoma (SEA) 16:32 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:12 Effective 2024-12-19 through 2025-01-05 Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 08:35 Seattle-Tacoma (SEA) 16:35 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:00 Valid until 2024-09-08 Codeshare flight, operated by Delta Air Lines.(DL 508)
Mon-Fri,Sun 08:55 Seattle-Tacoma (SEA) 17:00 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:05 Effective 2024-09-09 through 2024-11-10 Codeshare flight, operated by Delta Air Lines.(DL 508)
Sat 08:55 Seattle-Tacoma (SEA) 17:03 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:08 Effective 2024-10-12 through 2024-11-09 Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 09:25 Seattle-Tacoma (SEA) 17:26 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:01 Effective 2024-11-11 through 2024-12-02 Codeshare flight, operated by Delta Air Lines.(DL 508)
Sat 11:15 Seattle-Tacoma (SEA) 19:22 Dulles, Washington (IAD) Virgin Atlantic VS 3010 Non-stop Airbus A220-300 (223) 5:07 Effective 2024-09-14 through 2024-10-05 Codeshare flight, operated by Delta Air Lines.(DL 508)
Mon-Fri,Sun 21:55 Seattle-Tacoma (SEA) 06:01 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 5:06 Effective 2024-09-09 through 2024-10-06 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Mon-Fri,Sun 21:55 Seattle-Tacoma (SEA) 05:53 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 4:58 Effective 2024-10-07 through 2024-10-30 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Mon,Wed-Fri,Sun 21:55 Seattle-Tacoma (SEA) 05:53 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 4:58 Effective 2024-11-01 through 2024-11-10 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Mon-Fri,Sun 21:59 Seattle-Tacoma (SEA) 05:56 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 4:57 Effective 2024-09-02 through 2024-09-08 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Mon-Fri,Sun 22:00 Seattle-Tacoma (SEA) 05:56 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 4:56 Effective 2024-11-11 through 2024-11-22 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Mon-Wed,Sat,Sun 22:00 Seattle-Tacoma (SEA) 05:56 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 4:56 Effective 2024-11-23 through 2024-12-02 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Daily 22:00 Seattle-Tacoma (SEA) 05:56 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-100 (221) 4:56 Effective 2024-12-03 through 2024-12-18 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Daily 22:00 Seattle-Tacoma (SEA) 06:00 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-100 (221) 5:00 Effective 2025-03-09 through 2025-04-13 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Daily 22:00 Seattle-Tacoma (SEA) 06:03 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 5:03 Effective 2025-04-14 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Daily 22:00 Seattle-Tacoma (SEA) 05:59 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 4:59 Effective from 2025-06-08 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Mon,Sun 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD) Qatar Airways QR 3309 Non-stop Boeing 737 (73J) 5:01 Effective 2024-10-27 through 2024-11-11 Codeshare flight, operated by Alaska Airlines.(AS 338)
Thu,Fri 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD) Qatar Airways QR 3309 Non-stop Boeing 737 MAX 9 (7M9) 5:01 Effective 2024-10-31 through 2024-11-14 Codeshare flight, operated by Alaska Airlines.(AS 338)
Mon,Fri 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD) Qatar Airways QR 3309 Non-stop Boeing 737 (73J) 5:01 Effective 2024-11-15 through 2024-11-18 Codeshare flight, operated by Alaska Airlines.(AS 338)
Sun 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD) Qatar Airways QR 3309 Non-stop Boeing 737-800 (73H) 5:01 Operates only on 2024-11-17 Codeshare flight, operated by Alaska Airlines.(AS 338)
Thu 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD) Qatar Airways QR 3309 Non-stop Boeing 737 MAX 9 (7M9) 5:01 Operates only on 2024-11-21 Codeshare flight, operated by Alaska Airlines.(AS 338)
Mon,Thu-Sun 07:07 Seattle-Tacoma (SEA) 15:16 Dulles, Washington (IAD) Qatar Airways QR 3330 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Valid until 2024-09-09 Codeshare flight, operated by Alaska Airlines.(AS 338)

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A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
The flight distance is 2299 miles, or 3699 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 4:47 and 5:12.

Return (IAD-SEA) flights

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All airlines flying from Seattle-Tacoma (SEA) to Dulles, Washington (IAD).

FLIGHT SCHEDULE

Direct Codeshare Flights:

Qatar Airways QR2990

09:55

Seattle-Tacoma (SEA)

17:58

Dulles, Washington (IAD)

Effective 2024-12-19 through 2025-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:03, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

10:00

Seattle-Tacoma (SEA)

18:09

Dulles, Washington (IAD)

Valid until 2024-09-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:09, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

10:00

Seattle-Tacoma (SEA)

18:09

Dulles, Washington (IAD)

Operates only on 2024-09-20

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

10:00

Seattle-Tacoma (SEA)

18:09

Dulles, Washington (IAD)

Effective 2024-09-21 through 2024-09-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:09, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

10:00

Seattle-Tacoma (SEA)

18:00

Dulles, Washington (IAD)

Effective from 2025-03-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:00, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

10:04

Seattle-Tacoma (SEA)

18:06

Dulles, Washington (IAD)

Operates only on 2024-10-01

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

10:04

Seattle-Tacoma (SEA)

18:06

Dulles, Washington (IAD)

Effective 2024-10-02 through 2024-10-07

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:02, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

10:04

Seattle-Tacoma (SEA)

18:06

Dulles, Washington (IAD)

Operates only on 2024-10-08

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:02, non-stop
Boeing 737-800 (73H)

Qatar Airways QR2990

10:04

Seattle-Tacoma (SEA)

18:06

Dulles, Washington (IAD)

Effective 2024-10-09 through 2024-10-15

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

10:04

Seattle-Tacoma (SEA)

18:06

Dulles, Washington (IAD)

Effective 2024-10-10 through 2024-10-18

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:02, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

10:04

Seattle-Tacoma (SEA)

18:06

Dulles, Washington (IAD)

Effective 2024-10-19 through 2024-10-26

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:02, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

10:04

Seattle-Tacoma (SEA)

18:06

Dulles, Washington (IAD)

Operates only on 2024-10-23

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

10:04

Seattle-Tacoma (SEA)

18:06

Dulles, Washington (IAD)

Effective 2024-11-22 through 2024-12-02

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:02, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

10:04

Seattle-Tacoma (SEA)

18:06

Dulles, Washington (IAD)

Operates only on 2024-11-26

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

10:16

Seattle-Tacoma (SEA)

18:12

Dulles, Washington (IAD)

Effective 2024-10-27 through 2024-10-28

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 4:56, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

10:16

Seattle-Tacoma (SEA)

18:12

Dulles, Washington (IAD)

Effective 2024-10-31 through 2024-11-21

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 4:56, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

10:16

Seattle-Tacoma (SEA)

18:12

Dulles, Washington (IAD)

Operates only on 2024-11-04

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 4:56, non-stop
Boeing 737-800 (73H)

Qatar Airways QR2990

10:16

Seattle-Tacoma (SEA)

18:12

Dulles, Washington (IAD)

Effective 2024-11-11 through 2024-11-18

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 4:56, non-stop
Boeing 737 MAX 9 (7M9)

Virgin Atlantic VS3010

07:35

Seattle-Tacoma (SEA)

15:43

Dulles, Washington (IAD)

Effective 2025-01-06 through 2025-01-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:08, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

07:35

Seattle-Tacoma (SEA)

15:43

Dulles, Washington (IAD)

Effective 2025-01-21 through 2025-01-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:08, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

07:35

Seattle-Tacoma (SEA)

15:43

Dulles, Washington (IAD)

Effective 2025-01-30 through 2025-02-07

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:08, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

07:35

Seattle-Tacoma (SEA)

15:43

Dulles, Washington (IAD)

Effective 2025-02-09 through 2025-02-15

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:08, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

07:35

Seattle-Tacoma (SEA)

15:43

Dulles, Washington (IAD)

Effective 2025-02-17 through 2025-02-27

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:08, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

07:35

Seattle-Tacoma (SEA)

15:43

Dulles, Washington (IAD)

Effective 2025-02-28 through 2025-03-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:08, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

07:35

Seattle-Tacoma (SEA)

15:43

Dulles, Washington (IAD)

Effective 2025-03-09 through 2025-04-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:08, non-stop
Airbus A220-100 (221)

Virgin Atlantic VS3010

07:35

Seattle-Tacoma (SEA)

15:47

Dulles, Washington (IAD)

Effective 2025-04-14 through 2025-06-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:12, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

07:35

Seattle-Tacoma (SEA)

15:42

Dulles, Washington (IAD)

Effective from 2025-06-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:07, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

08:05

Seattle-Tacoma (SEA)

16:11

Dulles, Washington (IAD)

Effective 2024-12-03 through 2024-12-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:06, non-stop
Airbus A220-100 (221)

Virgin Atlantic VS3010

08:20

Seattle-Tacoma (SEA)

16:32

Dulles, Washington (IAD)

Effective 2024-12-19 through 2025-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:12, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

08:35

Seattle-Tacoma (SEA)

16:35

Dulles, Washington (IAD)

Valid until 2024-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:00, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

08:55

Seattle-Tacoma (SEA)

17:00

Dulles, Washington (IAD)

Effective 2024-09-09 through 2024-11-10

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:05, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

08:55

Seattle-Tacoma (SEA)

17:03

Dulles, Washington (IAD)

Effective 2024-10-12 through 2024-11-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:08, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

09:25

Seattle-Tacoma (SEA)

17:26

Dulles, Washington (IAD)

Effective 2024-11-11 through 2024-12-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:01, non-stop
Airbus A220-300 (223)

Virgin Atlantic VS3010

11:15

Seattle-Tacoma (SEA)

19:22

Dulles, Washington (IAD)

Effective 2024-09-14 through 2024-10-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 508)

Duration: 5:07, non-stop
Airbus A220-300 (223)

Korean Air KE3019

21:55

Seattle-Tacoma (SEA)

06:01(+1)

Dulles, Washington (IAD)

Effective 2024-09-09 through 2024-10-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 5:06, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

21:55

Seattle-Tacoma (SEA)

05:53(+1)

Dulles, Washington (IAD)

Effective 2024-10-07 through 2024-10-30

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 4:58, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

21:55

Seattle-Tacoma (SEA)

05:53(+1)

Dulles, Washington (IAD)

Effective 2024-11-01 through 2024-11-10

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 4:58, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

21:59

Seattle-Tacoma (SEA)

05:56(+1)

Dulles, Washington (IAD)

Effective 2024-09-02 through 2024-09-08

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 4:57, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

05:56(+1)

Dulles, Washington (IAD)

Effective 2024-11-11 through 2024-11-22

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 4:56, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

05:56(+1)

Dulles, Washington (IAD)

Effective 2024-11-23 through 2024-12-02

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 4:56, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

05:56(+1)

Dulles, Washington (IAD)

Effective 2024-12-03 through 2024-12-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 4:56, non-stop
Airbus A220-100 (221)
The flight arrives 1 day after departure.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

06:00(+1)

Dulles, Washington (IAD)

Effective 2025-03-09 through 2025-04-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 5:00, non-stop
Airbus A220-100 (221)
The flight arrives 1 day after departure.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

06:03(+1)

Dulles, Washington (IAD)

Effective 2025-04-14 through 2025-06-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 5:03, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

05:59(+1)

Dulles, Washington (IAD)

Effective from 2025-06-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 541)

Duration: 4:59, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Qatar Airways QR3309

07:00

Seattle-Tacoma (SEA)

15:01

Dulles, Washington (IAD)

Effective 2024-10-27 through 2024-11-11

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 338)

Duration: 5:01, non-stop
Boeing 737 (73J)

Qatar Airways QR3309

07:00

Seattle-Tacoma (SEA)

15:01

Dulles, Washington (IAD)

Effective 2024-10-31 through 2024-11-14

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 338)

Duration: 5:01, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3309

07:00

Seattle-Tacoma (SEA)

15:01

Dulles, Washington (IAD)

Effective 2024-11-15 through 2024-11-18

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 338)

Duration: 5:01, non-stop
Boeing 737 (73J)

Qatar Airways QR3309

07:00

Seattle-Tacoma (SEA)

15:01

Dulles, Washington (IAD)

Operates only on 2024-11-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 338)

Duration: 5:01, non-stop
Boeing 737-800 (73H)

Qatar Airways QR3309

07:00

Seattle-Tacoma (SEA)

15:01

Dulles, Washington (IAD)

Operates only on 2024-11-21

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 338)

Duration: 5:01, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3330

07:07

Seattle-Tacoma (SEA)

15:16

Dulles, Washington (IAD)

Valid until 2024-09-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 338)

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

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A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
The flight distance is 2299 miles, or 3699 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 4:47 and 5:12.

Return (IAD-SEA) flights

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