Seattle to Washington

SEAIAD

Fly from Seattle to Washington starting at USD 103 with Frontier Airlines.Best fare available on Aug 11, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Washington cheapest flights this week

20 Jul
Frontier Airlines
20:53SEA
05:20IAD
1 StopUSD 245VIEW DEAL
26 Jul
Alaska Airlines
22:43SEA
03:39IAD
DirectUSD 353VIEW DEAL
29 Jul
Alaska Airlines
16:01SEA
20:59IAD
DirectUSD 243VIEW DEAL
10 Aug
Frontier Airlines
20:53SEA
05:20IAD
1 StopUSD 121VIEW DEAL
11 Aug
Frontier Airlines
20:13SEA
05:20IAD
1 StopUSD 103VIEW DEAL
16 Nov
Alaska Airlines
07:00SEA
16:01IAD
1 StopUSD 213VIEW DEAL
16 Nov
American Airlines
22:07SEA
05:41IAD
1 StopUSD 183VIEW DEAL

Seattle to Washington monthly flight fare trend

Jul
from USD 243
Aug
from USD 103
Sep
No flights
Oct
No flights
Nov
from USD 183
Dec
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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