Flights operate between Washington (DCA) and SeaTac (SEA).
2 airlines operate this route with 2-3 flights daily flights.
Average flight time is 5h 39m - 6h 13m.
Route distance is 2335 miles (3757 km).
Route Distance
2335 miles (3757 km)
Average Duration
5h 39m - 6h 13m
Airlines Operating This Route
Alaska Airlines, Delta Air Lines
Flight Frequency
Daily Flights
2-3 flights
Weekly Flights
21
Typical Departure Time Ranges
Earliest Departure
08:00
Latest Departure
17:00
Flight Schedule & Filters
Flight Schedule Calendar
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Direct (non-stop) flights from Arlington (DCA) to SeaTac (SEA)
Direct (non-stop) flights operate between Arlington (DCA) and SeaTac (SEA). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 5h 39m - 6h 13m (average flight time)• Distance: 2335 miles (3757 km) (air miles between airports)• Daily Flights: 2-3 flights (scheduled departures per day)
Arlington (DCA)
US
SeaTac (SEA)
US
FLIGHT TIME
5h 39m - 6h 13m
FLIGHT DISTANCE
2335 miles (3757 km)
6h 3m - 6h 5m
08:00
17:00
2335 miles (3757 km)
March
2 (Show)
21
Flight Schedule
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Airlines with direct flights from Arlington (DCA) to SeaTac (SEA)
Weather at SeaTac (SEA)
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Frequently Asked Questions
Do flights operate between DCA and SEA?
Yes. 3 direct flights operate between Washington (DCA) and Seattle (SEA).
Which airlines operate this route?
2 airlines operate this route: Alaska Airlines, Delta Air Lines.
How many flights operate daily?
2-3 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 5h 39m - 6h 13m.
Is this route operated year-round?
This route operates with 2-3 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.