$179 Cheap Frontier Airlines flights Portland (PDX) to Chicago (ORD)

View $179 flight on Thu, Jul 2, 2026Opens in a new window

$179 Cheap Frontier Airlines flights Portland (PDX) to Chicago (ORD)

Prices were available within the past 7 days and start at $179 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jun 29 - Wed, Jul 1
PDX
Portland
ORD
Chicago
$339 Roundtrip, found 3 days ago
$339
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jun 29 from Portland to Chicago, returning Wed, Jul 1, priced at $339 found 3 days ago
Frontier Airlines
Fri, Aug 7 - Mon, Aug 10
PDX
Portland
ORD
Chicago
$354 Roundtrip, found 1 day ago
$354
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Aug 7 from Portland to Chicago, returning Mon, Aug 10, priced at $354 found 1 day ago

Find the cheapest month to fly from Portland (PDX) to Chicago (ORD)

May is typically the cheapest month to fly

From $211 - $396 per traveler.

Travel information

Origin airport
Portland Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
Delta
Distance
2774 km
Average flight time
6 hours 13 mins

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