Seattle to Austin

SEAAUS

Fly from Seattle to Austin starting at USD 122 with Southwest Airlines.Best fare available on Aug 19, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Austin cheapest flights this week

15 Aug
Southwest Airlines
09:20SEA
20:55AUS
1 StopUSD 169VIEW DEAL
15 Aug
Frontier Airlines
19:06SEA
22:07AUS
1 StopUSD 180VIEW DEAL
19 Aug
Southwest Airlines
14:00SEA
18:15AUS
DirectUSD 122VIEW DEAL
20 Aug
Frontier Airlines
14:37SEA
21:41AUS
1 StopUSD 160VIEW DEAL
22 Aug
Frontier Airlines
20:53SEA
09:52AUS
1 StopUSD 165VIEW DEAL
28 Aug
Frontier Airlines
13:35SEA
21:41AUS
1 StopUSD 166VIEW DEAL
21 Sept
Southwest Airlines
23:00SEA
06:20AUS
1 StopUSD 129VIEW DEAL
22 Oct
Frontier Airlines
19:00SEA
09:36AUS
1 StopUSD 137VIEW DEAL
3 Nov
Southwest Airlines
09:15SEA
13:15AUS
DirectUSD 122VIEW DEAL
19 Nov
Alaska Airlines
15:50SEA
21:59AUS
1 StopUSD 197VIEW DEAL

Seattle to Austin monthly flight fare trend

Aug
from USD 122
Sep
from USD 129
Oct
from USD 137
Nov
from USD 122
Dec
No flights
Jan
No flights

Airport Details

Origin

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Destination

Austin

Austin Bergstrom International Airport (AUS)

Austin, AUS
Zone

Chicago

Elev

542 ft

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