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

Ad box here 7322741189 I FlightInfo Top Box

FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 22:05 Seattle-Tacoma (SEA) 06:02 Dulles, Washington (IAD) ANA NH 7282 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-06-26 through 2025-07-03 Codeshare flight, operated by United Airlines.(UA 2402) The flight arrives 1 day after departure.
Sat 22:05 Seattle-Tacoma (SEA) 06:02 Dulles, Washington (IAD) ANA NH 7282 Non-stop Boeing 737-900 (739) 4:57 Effective 2025-06-28 through 2025-08-16 Codeshare flight, operated by United Airlines.(UA 2402) The flight arrives 1 day after departure.
Mon-Fri,Sun 22:05 Seattle-Tacoma (SEA) 06:02 Dulles, Washington (IAD) ANA NH 7282 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-07-06 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 2402) The flight arrives 1 day after departure.
Mon-Fri,Sun 22:15 Seattle-Tacoma (SEA) 06:12 Dulles, Washington (IAD) ANA NH 7282 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-05-22 through 2025-06-24 Codeshare flight, operated by United Airlines.(UA 2402) The flight arrives 1 day after departure.
Sat 22:15 Seattle-Tacoma (SEA) 06:12 Dulles, Washington (IAD) ANA NH 7282 Non-stop Boeing 737-900 (739) 4:57 Effective 2025-05-24 through 2025-06-21 Codeshare flight, operated by United Airlines.(UA 2402) The flight arrives 1 day after departure.
Wed 22:15 Seattle-Tacoma (SEA) 06:12 Dulles, Washington (IAD) ANA NH 7282 Non-stop Boeing 737-700 (73G) 4:57 Operates only on 2025-06-25 Codeshare flight, operated by United Airlines.(UA 2402) The flight arrives 1 day after departure.
Tue,Thu,Sun 09:55 Seattle-Tacoma (SEA) 17:55 Dulles, Washington (IAD) Iberia IB 7308 Non-stop Boeing 737 (73J) 5:00 Effective 2025-10-26 through 2025-10-30 Codeshare flight, operated by Alaska Airlines.(AS 406)
Sat 12:36 Seattle-Tacoma (SEA) 20:43 Dulles, Washington (IAD) American Airlines AA 7414 Non-stop Boeing 737 (737) 5:07 Valid until 2025-05-10 Codeshare flight, operated by Alaska Airlines.(AS 414)
Mon-Fri,Sun 23:40 Seattle-Tacoma (SEA) 07:43 Dulles, Washington (IAD) American Airlines AA 7424 Non-stop Boeing 737 (737) 5:03 Valid until 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 369) The flight arrives 1 day after departure.
Tue,Wed,Sat 16:00 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD) American Airlines AA 7457 Non-stop Boeing 737 (737) 4:58 Valid until 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 345)
Daily 08:00 Seattle-Tacoma (SEA) 16:11 Dulles, Washington (IAD) Lufthansa LH 7485 Non-stop Boeing 737-900 (739) 5:11 Effective 2025-05-22 through 2025-05-31 Codeshare flight, operated by United Airlines.(UA 2398)
Sun 08:00 Seattle-Tacoma (SEA) 16:11 Dulles, Washington (IAD) Lufthansa LH 7485 Non-stop Boeing 737 MAX 8 (7M8) 5:11 Effective 2025-06-01 through 2025-06-22 Codeshare flight, operated by United Airlines.(UA 2398)
Mon-Sat 08:00 Seattle-Tacoma (SEA) 16:11 Dulles, Washington (IAD) Lufthansa LH 7485 Non-stop Boeing 737-900 (739) 5:11 Effective 2025-06-02 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 2398)
Daily 08:00 Seattle-Tacoma (SEA) 16:10 Dulles, Washington (IAD) Lufthansa LH 7485 Non-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2025-08-19 through 2025-09-24 Codeshare flight, operated by United Airlines.(UA 2217)
Daily 08:00 Seattle-Tacoma (SEA) 16:10 Dulles, Washington (IAD) Lufthansa LH 7485 Non-stop Boeing 737 MAX 9 (7M9) 5:10 Effective 2025-09-25 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 2217)
Thu 08:10 Seattle-Tacoma (SEA) 16:18 Dulles, Washington (IAD) Lufthansa LH 7485 Non-stop Airbus A320 (320) 5:08 Operates only on 2025-05-01 Codeshare flight, operated by United Airlines.(UA 2398)
Daily 08:10 Seattle-Tacoma (SEA) 16:18 Dulles, Washington (IAD) Lufthansa LH 7485 Non-stop Boeing 737 MAX 9 (7M9) 5:08 Effective 2025-05-02 through 2025-05-21 Codeshare flight, operated by United Airlines.(UA 2398)
Sun 08:14 Seattle-Tacoma (SEA) 16:25 Dulles, Washington (IAD) Lufthansa LH 7485 Non-stop Boeing 737 MAX 8 (7M8) 5:11 Effective 2025-06-29 through 2025-08-17 Codeshare flight, operated by United Airlines.(UA 1873)
Mon-Sat 12:55 Seattle-Tacoma (SEA) 21:03 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737-900 (739) 5:08 Valid until 2025-05-21 Codeshare flight, operated by United Airlines.(UA 2275)
Sun 12:55 Seattle-Tacoma (SEA) 21:03 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Airbus A319 (319) 5:08 Effective 2025-05-04 through 2025-05-18 Codeshare flight, operated by United Airlines.(UA 2275)
Tue-Fri 12:55 Seattle-Tacoma (SEA) 21:02 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737-900 (739) 5:07 Effective 2025-05-22 through 2025-06-25 Codeshare flight, operated by United Airlines.(UA 2275)
Sat 12:55 Seattle-Tacoma (SEA) 21:02 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737 MAX 9 (7M9) 5:07 Effective 2025-05-24 through 2025-06-21 Codeshare flight, operated by United Airlines.(UA 2275)
Mon,Sun 12:55 Seattle-Tacoma (SEA) 21:02 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737-700 (73G) 5:07 Effective 2025-05-25 through 2025-06-23 Codeshare flight, operated by United Airlines.(UA 2275)
Mon-Fri,Sun 12:55 Seattle-Tacoma (SEA) 20:52 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737-900 (739) 4:57 Effective 2025-06-26 through 2025-07-31 Codeshare flight, operated by United Airlines.(UA 2275)
Sat 12:55 Seattle-Tacoma (SEA) 20:52 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737-700 (73G) 4:57 Operates only on 2025-06-28 Codeshare flight, operated by United Airlines.(UA 2275)
Sat 12:55 Seattle-Tacoma (SEA) 20:52 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Operates only on 2025-07-05 Codeshare flight, operated by United Airlines.(UA 2275)
Sat 12:55 Seattle-Tacoma (SEA) 20:52 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737-700 (73G) 4:57 Effective 2025-07-12 through 2025-08-16 Codeshare flight, operated by United Airlines.(UA 2275)
Mon-Fri 12:55 Seattle-Tacoma (SEA) 20:52 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-08-01 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 2275)
Sun 12:55 Seattle-Tacoma (SEA) 20:52 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737-900 (739) 4:57 Effective 2025-08-03 through 2025-08-17 Codeshare flight, operated by United Airlines.(UA 2275)
Daily 13:09 Seattle-Tacoma (SEA) 21:15 Dulles, Washington (IAD) Lufthansa LH 7487 Non-stop Boeing 737 MAX 8 (7M8) 5:06 Effective 2025-09-25 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 2131)
Daily 23:30 Seattle-Tacoma (SEA) 07:36 Dulles, Washington (IAD) American Airlines AA 7597 Non-stop Boeing 737 (737) 5:06 Effective 2025-05-15 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 307) The flight arrives 1 day after departure.
Daily 08:00 Seattle-Tacoma (SEA) 16:11 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Boeing 737-900 (739) 5:11 Effective 2025-05-22 through 2025-05-31 Codeshare flight, operated by United Airlines.(UA 2398)
Sun 08:00 Seattle-Tacoma (SEA) 16:11 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Boeing 737 MAX 8 (7M8) 5:11 Effective 2025-06-01 through 2025-06-22 Codeshare flight, operated by United Airlines.(UA 2398)
Mon-Sat 08:00 Seattle-Tacoma (SEA) 16:11 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Boeing 737-900 (739) 5:11 Effective 2025-06-02 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 2398)
Daily 08:00 Seattle-Tacoma (SEA) 16:10 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2025-08-19 through 2025-09-24 Codeshare flight, operated by United Airlines.(UA 2217)
Daily 08:00 Seattle-Tacoma (SEA) 16:10 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Boeing 737 MAX 9 (7M9) 5:10 Effective 2025-09-25 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 2217)
Daily 08:00 Seattle-Tacoma (SEA) 15:53 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Boeing 737-900 (739) 4:53 Effective 2025-10-26 through 2025-12-17 Codeshare flight, operated by United Airlines.(UA 2217)
Tue,Thu-Sat 08:00 Seattle-Tacoma (SEA) 15:53 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Boeing 737-900 (739) 4:53 Effective from 2026-01-06 Codeshare flight, operated by United Airlines.(UA 2217)
Thu 08:10 Seattle-Tacoma (SEA) 16:18 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Airbus A320 (320) 5:08 Operates only on 2025-05-01 Codeshare flight, operated by United Airlines.(UA 2398)
Daily 08:10 Seattle-Tacoma (SEA) 16:18 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Boeing 737 MAX 9 (7M9) 5:08 Effective 2025-05-02 through 2025-05-21 Codeshare flight, operated by United Airlines.(UA 2398)
Sun 08:14 Seattle-Tacoma (SEA) 16:25 Dulles, Washington (IAD) Austrian OS 7908 Non-stop Boeing 737 MAX 8 (7M8) 5:11 Effective 2025-06-29 through 2025-08-17 Codeshare flight, operated by United Airlines.(UA 1873)
Daily 22:08 Seattle-Tacoma (SEA) 06:08 Dulles, Washington (IAD) China Eastern MU 8779 Non-stop Airbus A220-300 (223) 5:00 Effective from 2025-12-20 Codeshare flight, operated by Delta Air Lines.(DL 508) The flight arrives 1 day after departure.
Sun 15:15 Seattle-Tacoma (SEA) 23:11 Dulles, Washington (IAD) China Eastern MU 8804 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) China Eastern MU 8804 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) China Eastern MU 8804 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) China Eastern MU 8804 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) China Eastern MU 8804 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) China Eastern MU 8804 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) China Eastern MU 8804 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) China Eastern MU 8804 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.

Ad flat here 8924483383 I FlightInfo Lower

Parallax here SEA-IAD

1 2 3 ... 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

Feedback - Disclaimer - Privacy - new_base.html - DESKTOP - CACHE: False - LANG: en - IS_EU: False

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

Ad mobi flat here (320x100px) 9629219771 M FlightInfo Top Flat

FLIGHT SCHEDULE

Direct Codeshare Flights:

ANA NH7282

22:05

Seattle-Tacoma (SEA)

06:02(+1)

Dulles, Washington (IAD)

Effective 2025-06-26 through 2025-07-03

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2402)

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

ANA NH7282

22:05

Seattle-Tacoma (SEA)

06:02(+1)

Dulles, Washington (IAD)

Effective 2025-06-28 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2402)

Duration: 4:57, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

ANA NH7282

22:05

Seattle-Tacoma (SEA)

06:02(+1)

Dulles, Washington (IAD)

Effective 2025-07-06 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2402)

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

ANA NH7282

22:15

Seattle-Tacoma (SEA)

06:12(+1)

Dulles, Washington (IAD)

Effective 2025-05-22 through 2025-06-24

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2402)

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

ANA NH7282

22:15

Seattle-Tacoma (SEA)

06:12(+1)

Dulles, Washington (IAD)

Effective 2025-05-24 through 2025-06-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2402)

Duration: 4:57, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

ANA NH7282

22:15

Seattle-Tacoma (SEA)

06:12(+1)

Dulles, Washington (IAD)

Operates only on 2025-06-25

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2402)

Duration: 4:57, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.

Iberia IB7308

09:55

Seattle-Tacoma (SEA)

17:55

Dulles, Washington (IAD)

Effective 2025-10-26 through 2025-10-30

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

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

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

American Airlines AA7414

12:36

Seattle-Tacoma (SEA)

20:43

Dulles, Washington (IAD)

Valid until 2025-05-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 414)

Duration: 5:07, non-stop
Boeing 737 (737)

American Airlines AA7424

23:40

Seattle-Tacoma (SEA)

07:43(+1)

Dulles, Washington (IAD)

Valid until 2025-05-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 369)

Duration: 5:03, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.

American Airlines AA7457

16:00

Seattle-Tacoma (SEA)

23:58

Dulles, Washington (IAD)

Valid until 2025-05-14

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 345)

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

Lufthansa LH7485

08:00

Seattle-Tacoma (SEA)

16:11

Dulles, Washington (IAD)

Effective 2025-05-22 through 2025-05-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:11, non-stop
Boeing 737-900 (739)

Lufthansa LH7485

08:00

Seattle-Tacoma (SEA)

16:11

Dulles, Washington (IAD)

Effective 2025-06-01 through 2025-06-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:11, non-stop
Boeing 737 MAX 8 (7M8)

Lufthansa LH7485

08:00

Seattle-Tacoma (SEA)

16:11

Dulles, Washington (IAD)

Effective 2025-06-02 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:11, non-stop
Boeing 737-900 (739)

Lufthansa LH7485

08:00

Seattle-Tacoma (SEA)

16:10

Dulles, Washington (IAD)

Effective 2025-08-19 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2217)

Duration: 5:10, non-stop
Boeing 737 MAX 8 (7M8)

Lufthansa LH7485

08:00

Seattle-Tacoma (SEA)

16:10

Dulles, Washington (IAD)

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2217)

Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)

Lufthansa LH7485

08:10

Seattle-Tacoma (SEA)

16:18

Dulles, Washington (IAD)

Operates only on 2025-05-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:08, non-stop
Airbus A320 (320)

Lufthansa LH7485

08:10

Seattle-Tacoma (SEA)

16:18

Dulles, Washington (IAD)

Effective 2025-05-02 through 2025-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:08, non-stop
Boeing 737 MAX 9 (7M9)

Lufthansa LH7485

08:14

Seattle-Tacoma (SEA)

16:25

Dulles, Washington (IAD)

Effective 2025-06-29 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 1873)

Duration: 5:11, non-stop
Boeing 737 MAX 8 (7M8)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

21:03

Dulles, Washington (IAD)

Valid until 2025-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 5:08, non-stop
Boeing 737-900 (739)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

21:03

Dulles, Washington (IAD)

Effective 2025-05-04 through 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 5:08, non-stop
Airbus A319 (319)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

21:02

Dulles, Washington (IAD)

Effective 2025-05-22 through 2025-06-25

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 5:07, non-stop
Boeing 737-900 (739)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

21:02

Dulles, Washington (IAD)

Effective 2025-05-24 through 2025-06-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 5:07, non-stop
Boeing 737 MAX 9 (7M9)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

21:02

Dulles, Washington (IAD)

Effective 2025-05-25 through 2025-06-23

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 5:07, non-stop
Boeing 737-700 (73G)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

20:52

Dulles, Washington (IAD)

Effective 2025-06-26 through 2025-07-31

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 4:57, non-stop
Boeing 737-900 (739)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

20:52

Dulles, Washington (IAD)

Operates only on 2025-06-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 4:57, non-stop
Boeing 737-700 (73G)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

20:52

Dulles, Washington (IAD)

Operates only on 2025-07-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

20:52

Dulles, Washington (IAD)

Effective 2025-07-12 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 4:57, non-stop
Boeing 737-700 (73G)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

20:52

Dulles, Washington (IAD)

Effective 2025-08-01 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)

Lufthansa LH7487

12:55

Seattle-Tacoma (SEA)

20:52

Dulles, Washington (IAD)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2275)

Duration: 4:57, non-stop
Boeing 737-900 (739)

Lufthansa LH7487

13:09

Seattle-Tacoma (SEA)

21:15

Dulles, Washington (IAD)

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2131)

Duration: 5:06, non-stop
Boeing 737 MAX 8 (7M8)

American Airlines AA7597

23:30

Seattle-Tacoma (SEA)

07:36(+1)

Dulles, Washington (IAD)

Effective 2025-05-15 through 2025-06-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 307)

Duration: 5:06, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.

Austrian OS7908

08:00

Seattle-Tacoma (SEA)

16:11

Dulles, Washington (IAD)

Effective 2025-05-22 through 2025-05-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:11, non-stop
Boeing 737-900 (739)

Austrian OS7908

08:00

Seattle-Tacoma (SEA)

16:11

Dulles, Washington (IAD)

Effective 2025-06-01 through 2025-06-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:11, non-stop
Boeing 737 MAX 8 (7M8)

Austrian OS7908

08:00

Seattle-Tacoma (SEA)

16:11

Dulles, Washington (IAD)

Effective 2025-06-02 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:11, non-stop
Boeing 737-900 (739)

Austrian OS7908

08:00

Seattle-Tacoma (SEA)

16:10

Dulles, Washington (IAD)

Effective 2025-08-19 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2217)

Duration: 5:10, non-stop
Boeing 737 MAX 8 (7M8)

Austrian OS7908

08:00

Seattle-Tacoma (SEA)

16:10

Dulles, Washington (IAD)

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2217)

Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)

Austrian OS7908

08:00

Seattle-Tacoma (SEA)

15:53

Dulles, Washington (IAD)

Effective 2025-10-26 through 2025-12-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2217)

Duration: 4:53, non-stop
Boeing 737-900 (739)

Austrian OS7908

08:00

Seattle-Tacoma (SEA)

15:53

Dulles, Washington (IAD)

Effective from 2026-01-06

Mon
-

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2217)

Duration: 4:53, non-stop
Boeing 737-900 (739)

Austrian OS7908

08:10

Seattle-Tacoma (SEA)

16:18

Dulles, Washington (IAD)

Operates only on 2025-05-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:08, non-stop
Airbus A320 (320)

Austrian OS7908

08:10

Seattle-Tacoma (SEA)

16:18

Dulles, Washington (IAD)

Effective 2025-05-02 through 2025-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2398)

Duration: 5:08, non-stop
Boeing 737 MAX 9 (7M9)

Austrian OS7908

08:14

Seattle-Tacoma (SEA)

16:25

Dulles, Washington (IAD)

Effective 2025-06-29 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 1873)

Duration: 5:11, non-stop
Boeing 737 MAX 8 (7M8)

China Eastern MU8779

22:08

Seattle-Tacoma (SEA)

06:08(+1)

Dulles, Washington (IAD)

Effective from 2025-12-20

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.

China Eastern MU8804

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)

China Eastern MU8804

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.

China Eastern MU8804

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.

China Eastern MU8804

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.

China Eastern MU8804

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.

China Eastern MU8804

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.

China Eastern MU8804

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.

China Eastern MU8804

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.

Ad mobi box here (300x250px) 6815354179 M FlightInfo Bottom Box

Parallax here SEA-IAD

prev Page 10 / 11 next

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

Feedback - Disclaimer - Privacy - new_base.html - MOBILE

- CACHE: False - LANG: en - IS_EU: False