Portland to Chicago
PDXORD
Fly from Portland to Chicago starting at USD 133 with Frontier Airlines.
Best fare available on Sep 5, 2026.
Limited seats. Better plans. Book before it's gone.
Portland to Chicago cheapest flights this week
Portland to Chicago monthly flight fare trend
Aug
from USD 178
Sep
from USD 133
Oct
No flights
Nov
No flights
Dec
No flights
Jan
No flights
Airport Details
Origin
Portland
Portland International Airport (PDX)
Portland, PDX
Zone
Los Angeles
Elev
31 ft
Destination
Chicago
Chicago O'Hare International Airport (ORD)
Chicago, ORD
Zone
Chicago
Elev
680 ft
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