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

2 Sept
United Airlines
23:02PDX
03:03ORD
DirectUSD 220VIEW DEAL
2 Sept
Alaska Airlines
07:06PDX
11:26ORD
DirectUSD 193VIEW DEAL
3 Sept
Frontier Airlines
13:47PDX
17:02ORD
1 StopUSD 190VIEW DEAL
5 Sept
Frontier Airlines
17:56PDX
03:59ORD
1 StopUSD 133VIEW DEAL
6 Sept
Frontier Airlines
12:20PDX
12:17ORD
3 StopUSD 361VIEW DEAL
7 Sept
Frontier Airlines
18:17PDX
22:23ORD
3 StopUSD 373VIEW DEAL
9 Sept
American Airlines
23:08PDX
03:08ORD
DirectUSD 206VIEW DEAL
11 Sept
Frontier Airlines
15:22PDX
08:01ORD
1 StopUSD 141VIEW DEAL
11 Sept
Alaska Airlines
07:06PDX
11:26ORD
DirectUSD 133VIEW DEAL
12 Sept
Alaska Airlines
07:06PDX
11:26ORD
DirectUSD 179VIEW DEAL

Portland to Chicago monthly flight fare trend

Sep
from USD 133
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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