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Direct flights from Ronald Reagan National (DCA) to Seattle-Tacoma International (SEA)

21 nonstop flights a week from Ronald Reagan National (DCA) to Seattle-Tacoma International (SEA) with 2 airlines, 5h 55m to 6h 22m in the air, 2,322 mi (3,737 km). Departures from 08:00 to 17:11.

Flights from Washington to Seattle

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Ronald Reagan National (DCA) to Seattle-Tacoma International (SEA) at a glance

flights a week
21
airlines
2
flight time
5h 55m - 6h 22m
distance
2,322 mi (3,737 km)
first and last departure
08:00 - 17:11
departure terminal
2

Ronald Reagan National (DCA) to Seattle-Tacoma International (SEA) flight schedule

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

FlightDepartsArrivesDurationDaysAircraft
AS 1
Alaska Airlines
08:00 Ronald Reagan National, terminal 2
10:55 Seattle-Tacoma International
5h 55m
Daily
Boeing 737
DL 786
Delta
16:25 Ronald Reagan National, terminal 2
19:27 Seattle-Tacoma International
6h 2m
Daily
Airbus A320
AS 3
Alaska Airlines
17:00 Ronald Reagan National, terminal 2
20:05 Seattle-Tacoma International
6h 5m
Mon, Fri, Sat, Sun
Boeing 737-800
AS 3
Alaska Airlines
17:11 Ronald Reagan National, terminal 2
20:13 Seattle-Tacoma International
6h 2m
Daily
Boeing 737

Seasonal and one-off flights

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

FlightDepartsArrivesDurationDaysAircraft
AS 3
Alaska Airlines
17:05 Ronald Reagan National, terminal 2
20:22 Seattle-Tacoma International
6h 17m
Seasonal
Boeing 737
DL 786
Delta
16:50 Ronald Reagan National, terminal 2
20:12 Seattle-Tacoma International
6h 22m
Seasonal
Airbus A320
DL 786
Delta
17:10 Ronald Reagan National, terminal 2
20:32 Seattle-Tacoma International
6h 22m
Seasonal
Airbus A320
DL 786
Delta
16:40 Ronald Reagan National, terminal 2
19:45 Seattle-Tacoma International
6h 5m
Seasonal
Airbus A320
AS 3
Alaska Airlines
17:04 Ronald Reagan National, terminal 2
20:04 Seattle-Tacoma International
6h
Seasonal
Boeing 737-800

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

Airlines flying Ronald Reagan National (DCA) to Seattle-Tacoma International (SEA)

Nonstop flights a week by the current schedule

Alaska Airlines14 a week Delta7 a week

Other airport combinations Washington to Seattle

Airports with nonstop flights between the two cities, busiest first

IAD to SEAWashington Dulles International to Seattle-Tacoma International BWI to SEABaltimore/Wash International Thurgood Marshall to Seattle-Tacoma International DCA to SEARonald Reagan National to Seattle-Tacoma International All flights Washington to Seattle

Frequently asked questions

How many nonstop flights are there from Ronald Reagan National (DCA) to Seattle-Tacoma International (SEA)?
21 nonstop flights a week by the current schedule, 3 flight numbers.
How long is the flight from Ronald Reagan National (DCA) to Seattle-Tacoma International (SEA)?
From 5 hours 55 minutes to 6 hours 22 minutes nonstop, depending on the flight.
Which airlines fly nonstop from Ronald Reagan National (DCA) to Seattle-Tacoma International (SEA)?
Alaska Airlines (14 a week) and Delta (7 a week).
Which terminals are used between Ronald Reagan National (DCA) and Seattle-Tacoma International (SEA)?
Flights depart from Ronald Reagan National, terminal 2 and arrive at Seattle-Tacoma International.
How far is Seattle-Tacoma International (SEA) from Ronald Reagan National (DCA)?
2,322 mi (3,737 km) in a straight line.
What are the earliest and latest flights from Ronald Reagan National (DCA) to Seattle-Tacoma International (SEA)?
The first departure is at 08:00 (Alaska Airlines), the last at 17:11 (Alaska Airlines), local time.