Nonstop flights from Seattle to Washington

3 airlines fly this route, with up to 7 flights a day.

SEASeattle-Tacoma International

2,300 mi · 46 flights a week

IADWashington Dulles International

SEAIAD

When they leave

Seattle time

8:10a11:20pFirst departure 8:10 AM, last 11:20 PM

Three in the morning, 8:10 AM to 9:13 AM, then three in the afternoon, 1:00 PM to 4:01 PM, then two in the evening, 10:43 PM to 11:20 PM.

Every flight

Earliest first

8:10 AM→4:16 PMUnited AirlinesBoeing 737 MAX 9Tue
8:15 AM→4:24 PMUnited AirlinesBoeing 737 MAX 8Mon, Wed, Thu, Fri, Sat, Sun
9:13 AM→5:11 PMAlaska AirlinesBoeing 737Daily
1:00 PM→9:06 PMUnited AirlinesBoeing 737Mon, Wed, Thu, Fri, Sat, Sun
3:58 PM→11:59 PMDelta Air LinesAirbus A220-300Daily
4:01 PM→11:59 PMAlaska AirlinesBoeing 737 MAX 9Daily
10:43 PM→6:39 AM⁺¹Alaska AirlinesBoeing 737 MAX 9Daily
11:20 PM→7:22 AM⁺¹United AirlinesBoeing 737 MAX 9Mon, Wed, Thu, Fri, Sun

Schedules last checked Sep 19, 2026. Times are local.

Flying from Seattle to Washington

Alaska Airlines flies most often, 3 times a day on the Boeing 737 MAX 9 and Boeing 737. United Airlines flies 1 to 3 times a day on the Boeing 737 MAX 9, Boeing 737 and Boeing 737 MAX 8. Delta Air Lines flies daily on the Airbus A220-300.

Flights run every day of the week, from 5 on Tuesdays to 7 on Mondays, Wednesdays, Thursdays, Fridays and Sundays. The first arrival in Washington is at 4:16 PM and the last at 7:22 AM the next day. The flight covers 2,300 miles.

Flying back, Washington to Seattle has 45 nonstop flights a week. From Seattle, Ronald Reagan Washington National (DCA) and Baltimore (BWI) are the other Washington area airports with nonstop flights, 21 and 14 a week.