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

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Thu,Sat,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 (73J) 4:57 Effective 2025-06-12 through 2025-06-28 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Fri 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-06-13 through 2025-06-27 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Operates only on 2025-06-29 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 (73J) 4:57 Effective 2025-06-30 through 2025-07-19 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Fri 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-07-11 through 2025-07-18 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Fri,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-07-20 through 2025-07-25 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 (73J) 4:57 Effective 2025-07-21 through 2025-08-18 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Fri 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-08-01 through 2025-08-15 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Tue 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Operates only on 2025-08-19 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Daily 23:30 Seattle-Tacoma (SEA) 07:32 Dulles, Washington (IAD) Air Tahiti Nui TN 2791 Non-stop Boeing 737 (73J) 5:02 Effective 2025-08-20 through 2025-10-03 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Tue,Thu,Sat,Sun 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 4:58 Effective 2025-06-12 through 2025-06-17 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Wed-Fri 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 4:58 Effective 2025-06-13 through 2025-06-19 Codeshare flight, operated by Alaska Airlines.(AS 406)
Tue,Fri,Sun 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 4:58 Effective 2025-06-20 through 2025-06-24 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Wed-Sat 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 4:58 Effective 2025-06-21 through 2025-06-27 Codeshare flight, operated by Alaska Airlines.(AS 406)
Sat,Sun 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 4:58 Effective 2025-06-28 through 2025-06-29 Codeshare flight, operated by Alaska Airlines.(AS 406)
Daily 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 4:58 Effective 2025-06-30 through 2025-07-12 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Sat,Sun 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 4:58 Effective 2025-07-13 through 2025-07-20 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon-Fri 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 4:58 Effective 2025-07-15 through 2025-07-25 Codeshare flight, operated by Alaska Airlines.(AS 406)
Daily 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 4:58 Effective 2025-07-26 through 2025-08-02 Codeshare flight, operated by Alaska Airlines.(AS 406)
Sun 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 4:58 Effective 2025-08-03 through 2025-08-17 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon-Fri 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 4:58 Effective 2025-08-04 through 2025-08-15 Codeshare flight, operated by Alaska Airlines.(AS 406)
Sat 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737-800 (73H) 4:58 Operates only on 2025-08-09 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Tue,Sat 09:15 Seattle-Tacoma (SEA) 17:13 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 4:58 Effective 2025-08-16 through 2025-08-19 Codeshare flight, operated by Alaska Airlines.(AS 406)
Daily 09:55 Seattle-Tacoma (SEA) 17:55 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:00 Effective from 2025-10-04 Codeshare flight, operated by Alaska Airlines.(AS 406)
Daily 10:06 Seattle-Tacoma (SEA) 18:17 Dulles, Washington (IAD) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:11 Effective 2025-08-20 through 2025-10-03 Codeshare flight, operated by Alaska Airlines.(AS 406)
Sun 15:15 Seattle-Tacoma (SEA) 23:11 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 4:56 Operates only on 2025-05-25 Codeshare flight, operated by Delta Air Lines.(DL 541)
Daily 21:50 Seattle-Tacoma (SEA) 05:52 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 5:02 Effective 2025-05-07 through 2025-05-24 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Daily 21:50 Seattle-Tacoma (SEA) 05:52 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 5:02 Effective 2025-05-26 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Daily 21:55 Seattle-Tacoma (SEA) 05:59 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 5:04 Effective 2025-06-08 through 2025-07-06 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 2025-07-07 through 2025-09-07 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 A220-300 (223) 5:00 Effective 2025-09-08 through 2025-10-31 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Sat 22:00 Seattle-Tacoma (SEA) 05:00 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 5:00 Operates only on 2025-11-01 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 A220-300 (223) 5:00 Effective 2025-11-02 through 2025-12-19 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Daily 22:00 Seattle-Tacoma (SEA) 06:01 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 5:01 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Daily 22:08 Seattle-Tacoma (SEA) 06:08 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 5:00 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 508) The flight arrives 1 day after departure.
Daily 22:30 Seattle-Tacoma (SEA) 06:20 Dulles, Washington (IAD) Korean Air KE 3019 Non-stop Airbus A220-300 (223) 4:50 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 541) The flight arrives 1 day after departure.
Daily 15:55 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 5:03 Effective 2025-08-20 through 2025-08-30 Codeshare flight, operated by Alaska Airlines.(AS 348)
Tue,Thu,Sat 15:55 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 5:03 Effective 2025-09-02 through 2025-10-02 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu-Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 5:00 Effective 2025-06-12 through 2025-06-21 Codeshare flight, operated by Alaska Airlines.(AS 348)
Wed,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-06-15 through 2025-06-22 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Wed,Fri,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-06-23 through 2025-06-29 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu,Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 5:00 Effective 2025-06-24 through 2025-07-01 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Wed,Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 5:00 Effective 2025-07-02 through 2025-07-07 Codeshare flight, operated by Alaska Airlines.(AS 348)
Tue-Fri,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-07-03 through 2025-07-10 Codeshare flight, operated by Alaska Airlines.(AS 348)
Daily 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 5:00 Effective 2025-07-11 through 2025-07-19 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu,Sat,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-07-20 through 2025-07-27 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon-Wed,Fri 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 5:00 Effective 2025-07-23 through 2025-08-01 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-07-31 through 2025-08-07 Codeshare flight, operated by Alaska Airlines.(AS 348)
Wed,Fri,Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 5:00 Effective 2025-08-02 through 2025-08-08 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu,Sat,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-08-09 through 2025-08-17 Codeshare flight, operated by Alaska Airlines.(AS 348)

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Parallax here SEA-IAD

1 2 3 4 5 6 7 8 9 10 11

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 4:48 and 5:11.

Return (IAD-SEA) flights

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

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FLIGHT SCHEDULE

Direct Codeshare Flights:

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-06-12 through 2025-06-28

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-06-13 through 2025-06-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Operates only on 2025-06-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-06-30 through 2025-07-19

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-07-11 through 2025-07-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-07-20 through 2025-07-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-07-21 through 2025-08-18

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-08-01 through 2025-08-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Operates only on 2025-08-19

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Air Tahiti Nui TN2791

23:30

Seattle-Tacoma (SEA)

07:32(+1)

Dulles, Washington (IAD)

Effective 2025-08-20 through 2025-10-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 5:02, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-06-12 through 2025-06-17

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun

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

Duration: 4:58, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-06-13 through 2025-06-19

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

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

Duration: 4:58, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-06-20 through 2025-06-24

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Duration: 4:58, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-06-21 through 2025-06-27

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun
-

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

Duration: 4:58, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-06-28 through 2025-06-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

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

Duration: 4:58, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-06-30 through 2025-07-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 4:58, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-07-13 through 2025-07-20

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

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

Duration: 4:58, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-07-15 through 2025-07-25

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Duration: 4:58, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-07-26 through 2025-08-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 4:58, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-08-03 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Duration: 4:58, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-08-04 through 2025-08-15

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Duration: 4:58, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Operates only on 2025-08-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:58, non-stop
Boeing 737-800 (73H)

Qatar Airways QR2990

09:15

Seattle-Tacoma (SEA)

17:13

Dulles, Washington (IAD)

Effective 2025-08-16 through 2025-08-19

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:58, non-stop
Boeing 737 (73J)

Qatar Airways QR2990

09:55

Seattle-Tacoma (SEA)

17:55

Dulles, Washington (IAD)

Effective from 2025-10-04

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

10:06

Seattle-Tacoma (SEA)

18:17

Dulles, Washington (IAD)

Effective 2025-08-20 through 2025-10-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:11, non-stop
Boeing 737 (73J)

Korean Air KE3019

15:15

Seattle-Tacoma (SEA)

23:11

Dulles, Washington (IAD)

Operates only on 2025-05-25

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)

Korean Air KE3019

21:50

Seattle-Tacoma (SEA)

05:52(+1)

Dulles, Washington (IAD)

Effective 2025-05-07 through 2025-05-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:02, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

21:50

Seattle-Tacoma (SEA)

05:52(+1)

Dulles, Washington (IAD)

Effective 2025-05-26 through 2025-06-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:02, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

21:55

Seattle-Tacoma (SEA)

05:59(+1)

Dulles, Washington (IAD)

Effective 2025-06-08 through 2025-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:04, 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 2025-07-07 through 2025-09-07

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.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

06:00(+1)

Dulles, Washington (IAD)

Effective 2025-09-08 through 2025-10-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:00, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

05:00(+1)

Dulles, Washington (IAD)

Operates only on 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 5:00, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

06:00(+1)

Dulles, Washington (IAD)

Effective 2025-11-02 through 2025-12-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:00, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

22:00

Seattle-Tacoma (SEA)

06:01(+1)

Dulles, Washington (IAD)

Effective from 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:01, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Korean Air KE3019

22:08

Seattle-Tacoma (SEA)

06:08(+1)

Dulles, Washington (IAD)

Effective 2025-12-20 through 2026-01-05

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)
The flight arrives 1 day after departure.

Korean Air KE3019

22:30

Seattle-Tacoma (SEA)

06:20(+1)

Dulles, Washington (IAD)

Valid until 2025-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 4:50, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Qatar Airways QR3352

15:55

Seattle-Tacoma (SEA)

23:58

Dulles, Washington (IAD)

Effective 2025-08-20 through 2025-08-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

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

Qatar Airways QR3352

15:55

Seattle-Tacoma (SEA)

23:58

Dulles, Washington (IAD)

Effective 2025-09-02 through 2025-10-02

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

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

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-12 through 2025-06-21

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

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

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-15 through 2025-06-22

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-23 through 2025-06-29

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-24 through 2025-07-01

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

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

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-02 through 2025-07-07

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

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

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-03 through 2025-07-10

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-11 through 2025-07-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

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

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-20 through 2025-07-27

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-23 through 2025-08-01

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

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

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-31 through 2025-08-07

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-08-02 through 2025-08-08

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

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

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-08-09 through 2025-08-17

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, 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 4:48 and 5:11.

Return (IAD-SEA) flights

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