Houston to Seattle
IAHSEA
Fly from Houston to Seattle starting at USD 125 with F9.
Best fare available on May 20, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to Seattle cheapest flights this week
25 Apr
F9
07:15IAH
--:--SEA
1 Stop$133VIEW DEAL
2 May
F9
12:37IAH
--:--SEA
1 Stop$135VIEW DEAL
20 May
F9
13:28IAH
--:--SEA
1 Stop$125VIEW DEAL
23 Sept
B6
11:45IAH
--:--SEA
1 Stop$171VIEW DEAL
Houston to Seattle monthly flight fare trend
Apr
from USD 133
May
from USD 125
Jun
No flights
Jul
No flights
Aug
No flights
Sep
from USD 171
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
