$226 Cheap Frontier Airlines flights Chicago (ORD) to Portland (PDX)

$226 Cheap Frontier Airlines flights Chicago (ORD) to Portland (PDX)

Prices were available within the past 7 days and start at $226 for one-way flights and $347 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 23 - Thu, Dec 25

ORD

Chicago

PDX

Portland

$347 Roundtrip, found 1 day ago

$347

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Chicago to Portland, returning Thu, Dec 25, priced at $347 found 1 day ago

Tue, Dec 23 - Tue, Dec 30

ORD

Chicago

PDX

Portland

$373 Roundtrip, found 1 day ago

$373

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Chicago to Portland, returning Tue, Dec 30, priced at $373 found 1 day ago

Tue, Dec 23 - Sun, Dec 28

ORD

Chicago

PDX

Portland

$397 Roundtrip, found 1 day ago

$397

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Chicago to Portland, returning Sun, Dec 28, priced at $397 found 1 day ago

Tue, Dec 23 - Sat, Dec 27

ORD

Chicago

PDX

Portland

$413 Roundtrip, found 1 day ago

$413

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Chicago to Portland, returning Sat, Dec 27, priced at $413 found 1 day ago