Houston to Seattle

IAHSEA

Fly from Houston to Seattle starting at USD 182 with Frontier Airlines.Best fare available on Oct 5, 2026.Limited seats. Better plans. Book before it's gone.

Houston to Seattle cheapest flights this week

30 Sept
Frontier Airlines
10:30IAH
17:08SEA
1 StopUSD 252VIEW DEAL
3 Oct
Frontier Airlines
07:00IAH
11:42SEA
1 StopUSD 253VIEW DEAL
3 Oct
United Airlines
20:06IAH
00:57SEA
DirectUSD 344VIEW DEAL
4 Oct
Frontier Airlines
10:30IAH
17:08SEA
1 StopUSD 254VIEW DEAL
5 Oct
Frontier Airlines
22:38IAH
17:08SEA
1 StopUSD 182VIEW DEAL
5 Oct
Frontier Airlines
10:30IAH
17:08SEA
1 StopUSD 253VIEW DEAL
6 Oct
Frontier Airlines
10:30IAH
17:08SEA
1 StopUSD 253VIEW DEAL
7 Oct
Frontier Airlines
10:30IAH
17:08SEA
1 StopUSD 252VIEW DEAL
11 Oct
Frontier Airlines
22:40IAH
17:12SEA
1 StopUSD 258VIEW DEAL
18 Oct
Frontier Airlines
22:40IAH
17:12SEA
1 StopUSD 227VIEW DEAL

Houston to Seattle monthly flight fare trend

Sep
from USD 252
Oct
from USD 182
Nov
No flights
Dec
from USD 163
Jan
No flights
Feb
No flights

Airport Details

Origin

Houston

George Bush Intercontinental Houston Airport (IAH)

Houston, IAH
Zone

Chicago

Elev

97 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Flights from Houston

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