Seattle to Washington

SEAIAD

Fly from Seattle to Washington starting at USD 138 with American Airlines.Best fare available on Oct 6, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Washington cheapest flights this week

17 Aug
Alaska Airlines
16:01SEA
20:59IAD
DirectUSD 342VIEW DEAL
20 Aug
Frontier Airlines
19:06SEA
14:14IAD
2 StopUSD 300VIEW DEAL
24 Aug
Frontier Airlines
19:06SEA
07:07IAD
2 StopUSD 295VIEW DEAL
25 Aug
Frontier Airlines
20:53SEA
05:04IAD
1 StopUSD 230VIEW DEAL
1 Sept
Alaska Airlines
15:56SEA
20:59IAD
DirectUSD 225VIEW DEAL
4 Sept
Alaska Airlines
21:35SEA
02:40IAD
DirectUSD 167VIEW DEAL
4 Sept
United Airlines
12:10SEA
21:30IAD
1 StopUSD 201VIEW DEAL
10 Sept
American Airlines
05:30SEA
14:51IAD
1 StopUSD 155VIEW DEAL
10 Sept
Frontier Airlines
16:27SEA
14:18IAD
2 StopUSD 167VIEW DEAL
6 Oct
American Airlines
12:04SEA
20:23IAD
1 StopUSD 138VIEW DEAL

Seattle to Washington monthly flight fare trend

Aug
from USD 230
Sep
from USD 155
Oct
from USD 138
Nov
from USD 174
Dec
No flights
Jan
No flights

Airport Details

Origin

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Destination

Washington

Washington Dulles International Airport (IAD)

Dulles, IAD
Zone

New York

Elev

312 ft

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