Portland to Chicago
PDXORD
Fly from Portland to Chicago starting at USD 145 with Frontier Airlines.
Best fare available on Oct 3, 2026.
Limited seats. Better plans. Book before it's gone.
Portland to Chicago cheapest flights this week
Portland to Chicago monthly flight fare trend
Sep
No flights
Oct
from USD 145
Nov
No flights
Dec
from USD 160
Jan
No flights
Feb
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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