$97 Cheap Frontier Airlines flights Portland (PDX) to Chicago (ORD)

$97 Cheap Frontier Airlines flights Portland (PDX) to Chicago (ORD)

Prices were available within the past 7 days and start at $97 for one-way flights and $182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 8 - Fri, Oct 17

PDX

Portland

ORD

Chicago

$182 Roundtrip, found 11 hours ago

$182

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, Oct 8 from Portland to Chicago, returning Fri, Oct 17, priced at $182 found 11 hours ago

Wed, Oct 8 - Tue, Oct 14

PDX

Portland

ORD

Chicago

$198 Roundtrip, found 11 hours ago

$198

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, Oct 8 from Portland to Chicago, returning Tue, Oct 14, priced at $198 found 11 hours ago

Sat, Oct 4 - Wed, Oct 8

PDX

Portland

ORD

Chicago

$223 Roundtrip, found 4 days ago

$223

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Oct 4 from Portland to Chicago, returning Wed, Oct 8, priced at $223 found 4 days ago

Mon, Oct 13 - Fri, Oct 17

PDX

Portland

ORD

Chicago

$239 Roundtrip, found 11 hours ago

$239

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Mon, Oct 13 from Portland to Chicago, returning Fri, Oct 17, priced at $239 found 11 hours ago

Mon, Oct 13 - Tue, Oct 14

PDX

Portland

ORD

Chicago

$255 Roundtrip, found 11 hours ago

$255

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Mon, Oct 13 from Portland to Chicago, returning Tue, Oct 14, priced at $255 found 11 hours ago

Fri, Oct 3 - Sun, Oct 5

PDX

Portland

ORD

Chicago

$261 Roundtrip, found 3 days ago

$261

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Oct 3 from Portland to Chicago, returning Sun, Oct 5, priced at $261 found 3 days ago