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Direct flights from Seattle-Tacoma International (SEA) to Washington Dulles International (IAD)

21 nonstop flights a week from Seattle-Tacoma International (SEA) to Washington Dulles International (IAD) with 3 airlines, 4h 50m to 13h 21m in the air, 2,300 mi (3,701 km). Departures from 08:07 to 16:30.

Flights from Seattle to Washington

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Seattle-Tacoma International (SEA) to Washington Dulles International (IAD) at a glance

flights a week
21
flights today
3
airlines
3
flight time
4h 50m - 13h 21m
distance
2,300 mi (3,701 km)
first and last departure
08:07 - 16:30

Seattle-Tacoma International (SEA) to Washington Dulles International (IAD) flight schedule

21 flights a week. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AS 737
Alaska Airlines
08:07 Seattle-Tacoma International
16:14 Washington Dulles International
5h 7m
Daily
Boeing 737-800
UA 672
United Airlines
08:09 Seattle-Tacoma International
16:08 Washington Dulles International
4h 59m
Daily
Boeing 737
AS 737
Alaska Airlines
08:15 Seattle-Tacoma International
16:13 Washington Dulles International
4h 58m
Mon, Fri, Sat, Sun
Boeing 737-800
DL 541
Delta
11:55 Seattle-Tacoma International
19:54 Washington Dulles International
4h 59m
Sat
Airbus A220-300
DL 541
Delta
16:30 Seattle-Tacoma International
00:20 Washington Dulles International
4h 50m
Mon, Tue, Wed, Thu, Fri, Sun
Airbus A220-300

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 1 December.

FlightDepartsArrivesDurationDaysAircraft
UA 1686
United Airlines
05:05 Seattle-Tacoma International
21:09 Washington Dulles International
13h 4m
Seasonal
Airbus A320
UA 1348
United Airlines
08:09 Seattle-Tacoma International
16:08 Washington Dulles International
4h 59m
Seasonal
Boeing 737
UA 2601
United Airlines
05:00 Seattle-Tacoma International
18:55 Washington Dulles International
10h 55m
Seasonal
Airbus A320
AS 737
Alaska Airlines
08:30 Seattle-Tacoma International
16:28 Washington Dulles International
4h 58m
Seasonal
Boeing 737-900
UA 689
United Airlines
13:12 Seattle-Tacoma International
21:13 Washington Dulles International
5h 1m
Seasonal
Boeing 737-900
DL 541
Delta
15:53 Seattle-Tacoma International
23:53 Washington Dulles International
5h
Seasonal
Airbus A220-300
DL 541
Delta
15:55 Seattle-Tacoma International
23:51 Washington Dulles International
4h 56m
Seasonal
Airbus A220-300
UA 1686
United Airlines
05:00 Seattle-Tacoma International
21:21 Washington Dulles International
13h 21m
Seasonal
Airbus A320
UA 1523
United Airlines
08:08 Seattle-Tacoma International
16:09 Washington Dulles International
5h 1m
Seasonal
Boeing 737
UA 1686
United Airlines
05:07 Seattle-Tacoma International
21:28 Washington Dulles International
13h 21m
Seasonal
Boeing 737
UA 1400
United Airlines
08:00 Seattle-Tacoma International
15:53 Washington Dulles International
4h 53m
Seasonal
Boeing 737-900
AS 706
Alaska Airlines
08:25 Seattle-Tacoma International
16:26 Washington Dulles International
5h 1m
Seasonal
Boeing 737-900
AS 1614
Alaska Airlines
21:30 Seattle-Tacoma International
05:31 Washington Dulles International
5h 1m
Seasonal
Boeing 737-900
AS 1555
Alaska Airlines
15:35 Seattle-Tacoma International
23:36 Washington Dulles International
5h 1m
Seasonal
Boeing 737-900
UA 689
United Airlines
13:00 Seattle-Tacoma International
20:53 Washington Dulles International
4h 53m
Seasonal
Boeing 737-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Washington is 3 hours ahead of Seattle.

Airlines flying Seattle-Tacoma International (SEA) to Washington Dulles International (IAD)

Nonstop flights a week by the current schedule

United Airlines7 a week Alaska Airlines7 a week Delta7 a week

Other airport combinations Seattle to Washington

Airports with nonstop flights between the two cities, busiest first

SEA to IADSeattle-Tacoma International to Washington Dulles International SEA to BWISeattle-Tacoma International to Baltimore/Wash International Thurgood Marshall SEA to DCASeattle-Tacoma International to Ronald Reagan National All flights Seattle to Washington

Frequently asked questions

How many nonstop flights are there from Seattle-Tacoma International (SEA) to Washington Dulles International (IAD)?
21 nonstop flights a week by the current schedule, 12 flight numbers, 3 today.
How long is the flight from Seattle-Tacoma International (SEA) to Washington Dulles International (IAD)?
From 4 hours 50 minutes to 13 hours 21 minutes nonstop, depending on the flight.
Which airlines fly nonstop from Seattle-Tacoma International (SEA) to Washington Dulles International (IAD)?
United Airlines (7 a week), Alaska Airlines (7 a week) and Delta (7 a week).
How far is Washington Dulles International (IAD) from Seattle-Tacoma International (SEA)?
2,300 mi (3,701 km) in a straight line.
What are the earliest and latest flights from Seattle-Tacoma International (SEA) to Washington Dulles International (IAD)?
The first departure is at 08:07 (Alaska Airlines), the last at 16:30 (Delta), local time.