Chicago to Portland
ORDPDX
Fly from Chicago to Portland starting at USD 139 with Frontier Airlines.
Best fare available on Sep 9, 2026.
Limited seats. Better plans. Book before it's gone.
Chicago to Portland cheapest flights this week
Chicago to Portland monthly flight fare trend
Sep
from USD 139
Oct
from USD 135
Nov
No flights
Dec
from USD 152
Jan
No flights
Feb
No flights
Airport Details
Origin
Chicago
Chicago O'Hare International Airport (ORD)
Chicago, ORD
Zone
Chicago
Elev
680 ft
Destination
Portland
Portland International Airport (PDX)
Portland, PDX
Zone
Los Angeles
Elev
31 ft
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