Chicago to Portland

ORDPDX

Fly from Chicago to Portland starting at USD 135 with Frontier Airlines.Best fare available on Oct 7, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Portland cheapest flights this week

30 Sept
American Airlines
15:18ORD
22:30PDX
1 StopUSD 345VIEW DEAL
1 Oct
Frontier Airlines
20:55ORD
13:54PDX
1 StopUSD 259VIEW DEAL
2 Oct
Frontier Airlines
20:55ORD
13:36PDX
1 StopUSD 201VIEW DEAL
4 Oct
Frontier Airlines
20:55ORD
13:54PDX
1 StopUSD 188VIEW DEAL
7 Oct
Frontier Airlines
22:40ORD
18:35PDX
1 StopUSD 135VIEW DEAL
8 Oct
United Airlines
19:45ORD
00:23PDX
DirectUSD 160VIEW DEAL
8 Oct
Alaska Airlines
06:00ORD
15:24PDX
1 StopUSD 187VIEW DEAL
8 Oct
Frontier Airlines
20:01ORD
12:11PDX
1 StopUSD 235VIEW DEAL
12 Oct
United Airlines
07:00ORD
11:31PDX
DirectUSD 178VIEW DEAL
15 Dec
Alaska Airlines
09:20ORD
18:50PDX
1 StopUSD 152VIEW DEAL

Chicago to Portland monthly flight fare trend

Sep
from USD 345
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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