China Eastern flights from Seattle-Tacoma (SEA) to Washington Dulles (IAD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon 15:20 Seattle-Tacoma (SEA) 23:10 Washington Dulles (IAD)
China Eastern MU 8779 Non-stop Airbus A220-300 (223) 4:50 Operates only on 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 541)
Mon,Tue,Fri-Sun 15:30 Seattle-Tacoma (SEA) 23:27 Washington Dulles (IAD)
China Eastern MU 8779 Non-stop Airbus A220-300 (223) 4:57 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 15:20 Seattle-Tacoma (SEA) 23:10 Washington Dulles (IAD)
China Eastern MU 8804 Non-stop Airbus A220-300 (223) 4:50 Effective 2026-01-06 through 2026-02-13
Codeshare flight, operated by Delta Air Lines.(DL 541)
Mon-Fri,Sun 15:20 Seattle-Tacoma (SEA) 23:10 Washington Dulles (IAD)
China Eastern MU 8804 Non-stop Airbus A220-300 (223) 4:50 Effective 2026-02-15 through 2026-02-27
Codeshare flight, operated by Delta Air Lines.(DL 541)
Daily 15:20 Seattle-Tacoma (SEA) 23:10 Washington Dulles (IAD)
China Eastern MU 8804 Non-stop Airbus A220-300 (223) 4:50 Effective 2026-02-28 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 541)
Sat 15:25 Seattle-Tacoma (SEA) 23:15 Washington Dulles (IAD)
China Eastern MU 8804 Non-stop Airbus A220-300 (223) 4:50 Effective 2026-02-14 through 2026-02-21
Codeshare flight, operated by Delta Air Lines.(DL 541)
Daily 15:55 Seattle-Tacoma (SEA) 23:48 Washington Dulles (IAD)
China Eastern MU 8804 Non-stop Airbus A220-300 (223) 4:53 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 541)
Daily 15:55 Seattle-Tacoma (SEA) 23:49 Washington Dulles (IAD)
China Eastern MU 8804 Non-stop Airbus A220-300 (223) 4:54 Effective 2026-03-15 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 541)
Daily 15:55 Seattle-Tacoma (SEA) 23:55 Washington Dulles (IAD)
China Eastern MU 8804 Non-stop Airbus A220-300 (223) 5:00 Effective 2026-04-13 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 541)
Daily 15:55 Seattle-Tacoma (SEA) 23:51 Washington Dulles (IAD)
China Eastern MU 8804 Non-stop Airbus A220-300 (223) 4:56 Effective from 2026-10-06
Codeshare flight, operated by Delta Air Lines.(DL 541)




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China Eastern flights from Seattle-Tacoma (SEA) to Washington Dulles (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
China Eastern MU8779
15:20
Seattle-Tacoma (SEA)

23:10
Washington Dulles (IAD)
Operates only on 2026-01-05
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)
Direct Codeshare Flights:
China Eastern MU8779
15:30
Seattle-Tacoma (SEA)

23:27
Washington Dulles (IAD)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 508)
Duration: 4:57, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
China Eastern MU8804
15:20
Seattle-Tacoma (SEA)

23:10
Washington Dulles (IAD)
Effective 2026-01-06 through 2026-02-13
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)
Direct Codeshare Flights:
China Eastern MU8804
15:20
Seattle-Tacoma (SEA)

23:10
Washington Dulles (IAD)
Effective 2026-02-15 through 2026-02-27
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)
Direct Codeshare Flights:
China Eastern MU8804
15:20
Seattle-Tacoma (SEA)

23:10
Washington Dulles (IAD)
Effective 2026-02-28 through 2026-03-07
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)
Direct Codeshare Flights:
China Eastern MU8804
15:25
Seattle-Tacoma (SEA)

23:15
Washington Dulles (IAD)
Effective 2026-02-14 through 2026-02-21
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)
Direct Codeshare Flights:
China Eastern MU8804
15:55
Seattle-Tacoma (SEA)

23:48
Washington Dulles (IAD)
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 541)
Duration: 4:53, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
China Eastern MU8804
15:55
Seattle-Tacoma (SEA)

23:49
Washington Dulles (IAD)
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 541)
Duration: 4:54, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
China Eastern MU8804
15:55
Seattle-Tacoma (SEA)

23:55
Washington Dulles (IAD)
Effective 2026-04-13 through 2026-10-05
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)
Direct Codeshare Flights:
China Eastern MU8804
15:55
Seattle-Tacoma (SEA)

23:51
Washington Dulles (IAD)
Effective from 2026-10-06
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)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Washington Dulles 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 4:50 and 5:00.
All SEA-IAD flights
All China Eastern flights
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