Dallas to Seattle

DFWSEA

Fly from Dallas to Seattle starting at USD 120 with Alaska Airlines.Best fare available on Aug 15, 2026.Limited seats. Better plans. Book before it's gone.

Dallas to Seattle cheapest flights this week

15 Jul
Frontier Airlines
21:31DFW
11:17SEA
1 StopUSD 172VIEW DEAL
16 Jul
Frontier Airlines
20:35DFW
12:39SEA
1 StopUSD 158VIEW DEAL
18 Jul
Frontier Airlines
21:31DFW
11:17SEA
1 StopUSD 153VIEW DEAL
22 Jul
Frontier Airlines
21:31DFW
11:17SEA
1 StopUSD 141VIEW DEAL
22 Jul
Frontier Airlines
05:18DFW
13:20SEA
1 StopUSD 139VIEW DEAL
23 Jul
Frontier Airlines
07:31DFW
21:38SEA
1 StopUSD 154VIEW DEAL
8 Aug
Frontier Airlines
07:25DFW
19:51SEA
1 StopUSD 135VIEW DEAL
8 Aug
Frontier Airlines
21:31DFW
11:04SEA
1 StopUSD 142VIEW DEAL
15 Aug
Alaska Airlines
06:24DFW
10:45SEA
DirectUSD 120VIEW DEAL
30 Aug
Frontier Airlines
05:18DFW
11:48SEA
1 StopUSD 158VIEW DEAL

Dallas to Seattle monthly flight fare trend

Jul
from USD 139
Aug
from USD 120
Sep
No flights
Oct
from USD 128
Nov
No flights
Dec
No flights

Airport Details

Origin

Dallas

Dallas Fort Worth International Airport (DFW)

Dallas-Fort Worth, DFW
Zone

Chicago

Elev

607 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

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