Portland to Houston
PDXIAH
Fly from Portland to Houston starting at USD 115 with Alaska Airlines.
Best fare available on Sep 6, 2026.
Limited seats. Better plans. Book before it's gone.
Portland to Houston cheapest flights this week
Portland to Houston monthly flight fare trend
Sep
from USD 115
Oct
No flights
Nov
No flights
Dec
No flights
Jan
No flights
Feb
No flights
Airport Details
Origin
Portland
Portland International Airport (PDX)
Portland, PDX
Zone
Los Angeles
Elev
31 ft
Destination
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
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