$116 Cheap Frontier Airlines flights Portland (PDX) to Chicago (ORD)

$116 Cheap Frontier Airlines flights Portland (PDX) to Chicago (ORD)

Prices were available within the past 7 days and start at $116 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 23 - Thu, Apr 30

PDX

Portland

ORD

Chicago

$240 Roundtrip, found 14 hours ago

$240

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Apr 23 from Portland to Chicago, returning Thu, Apr 30, priced at $240 found 14 hours ago

Thu, Apr 23 - Sun, Apr 26

PDX

Portland

ORD

Chicago

$260 Roundtrip, found 14 hours ago

$260

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Apr 23 from Portland to Chicago, returning Sun, Apr 26, priced at $260 found 14 hours ago

Mon, Apr 20 - Thu, Apr 30

PDX

Portland

ORD

Chicago

$290 Roundtrip, found 14 hours ago

$290

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Apr 20 from Portland to Chicago, returning Thu, Apr 30, priced at $290 found 14 hours ago

Thu, Apr 23 - Mon, Apr 27

PDX

Portland

ORD

Chicago

$299 Roundtrip, found 14 hours ago

$299

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Apr 23 from Portland to Chicago, returning Mon, Apr 27, priced at $299 found 14 hours ago

Mon, Apr 20 - Sun, Apr 26

PDX

Portland

ORD

Chicago

$310 Roundtrip, found 14 hours ago

$310

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Apr 20 from Portland to Chicago, returning Sun, Apr 26, priced at $310 found 14 hours ago

Thu, Apr 23 - Sat, Apr 25

PDX

Portland

ORD

Chicago

$316 Roundtrip, found 14 hours ago

$316

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Apr 23 from Portland to Chicago, returning Sat, Apr 25, priced at $316 found 14 hours ago

Mon, Apr 20 - Sat, Apr 25

PDX

Portland

ORD

Chicago

$366 Roundtrip, found 14 hours ago

$366

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Apr 20 from Portland to Chicago, returning Sat, Apr 25, priced at $366 found 14 hours ago

Thu, Apr 23 - Mon, Apr 27

PDX

Portland

ORD

Chicago

$374 Roundtrip, found 14 hours ago

$374

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Apr 23 from Portland to Chicago, returning Mon, Apr 27, priced at $374 found 14 hours ago