Washington to Seattle
IADSEA
Fly from Washington to Seattle starting at SAR 803 with AS.
Best fare available on Apr 25, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Seattle cheapest flights this week
23 Apr
F9
06:10IAD
22:05SEA
2 StopSAR 870VIEW DEAL
24 Apr
F9
13:08IAD
16:27SEA
2 StopSAR 1,020VIEW DEAL
25 Apr
AS
09:00IAD
18:47SEA
DirectSAR 803VIEW DEAL
27 Apr
AS
07:10IAD
16:58SEA
DirectSAR 859VIEW DEAL
29 Apr
F9
06:20IAD
00:42SEA
2 StopSAR 818VIEW DEAL
1 May
F9
15:08IAD
16:27SEA
2 StopSAR 1,039VIEW DEAL
Washington to Seattle monthly flight fare trend
Apr
from SAR 803
May
from SAR 1,039
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Airport Details
Origin
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Destination
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
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