ITA Airways flights from Seattle-Tacoma (SEA) to Washington Dulles (IAD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sun 08:00 Seattle-Tacoma (SEA) 16:02 Washington Dulles (IAD)
ITA Airways AZ 4377 Non-stop Boeing 737-800 (738) 5:02 Effective 2026-03-08 through 2026-03-22
Codeshare flight, operated by United Airlines.(UA 2474)
Tue,Thu 08:00 Seattle-Tacoma (SEA) 16:02 Washington Dulles (IAD)
ITA Airways AZ 4377 Non-stop Boeing 737 MAX 8 (7M8) 5:02 Effective 2026-03-10 through 2026-03-26
Codeshare flight, operated by United Airlines.(UA 2474)


ITA Airways flights from Seattle-Tacoma (SEA) to Washington Dulles (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2474)
Duration: 5:02, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-03-10 through 2026-03-26
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2474)
Duration: 5:02, non-stop
Boeing 737 MAX 8 (7M8)
  • 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 is 5:02.