Houston to Seattle
IAHSEA
Fly from Houston to Seattle starting at USD 125 with Frontier Airlines.
Best fare available on Aug 24, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to Seattle cheapest flights this week
Houston to Seattle monthly flight fare trend
Aug
from USD 125
Sep
from USD 171
Oct
No flights
Nov
No flights
Dec
No flights
Jan
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
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