Cheap Frontier Airlines flights Portland (PDX) to Chicago (MDW)

Cheap Frontier Airlines flights Portland (PDX) to Chicago (MDW)

Prices were available within the past 7 days and start at for one-way flights and $350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 19 - Thu, Jul 24

PDX

Portland

MDW

Chicago

$350 Roundtrip, found 21 hours ago

$350

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland to Chicago, returning Thu, Jul 24, priced at $350 found 21 hours ago

Fri, Jul 18 - Thu, Jul 24

PDX

Portland

MDW

Chicago

$355 Roundtrip, found 21 hours ago

$355

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Portland to Chicago, returning Thu, Jul 24, priced at $355 found 21 hours ago

Sat, Jul 19 - Mon, Jul 21

PDX

Portland

MDW

Chicago

$442 Roundtrip, found 21 hours ago

$442

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland to Chicago, returning Mon, Jul 21, priced at $442 found 21 hours ago

Fri, Jul 18 - Mon, Jul 21

PDX

Portland

MDW

Chicago

$447 Roundtrip, found 21 hours ago

$447

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Portland to Chicago, returning Mon, Jul 21, priced at $447 found 21 hours ago

Thu, Jul 17 - Fri, Jul 18

PDX

Portland

MDW

Chicago

$471 Roundtrip, found 21 hours ago

$471

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Portland to Chicago, returning Fri, Jul 18, priced at $471 found 21 hours ago

Thu, Jul 17 - Sat, Jul 19

PDX

Portland

MDW

Chicago

$482 Roundtrip, found 21 hours ago

$482

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Portland to Chicago, returning Sat, Jul 19, priced at $482 found 21 hours ago

Thu, Jul 17 - Mon, Jul 21

PDX

Portland

MDW

Chicago

$534 Roundtrip, found 21 hours ago

$534

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Portland to Chicago, returning Mon, Jul 21, priced at $534 found 21 hours ago

Sat, Jul 19 - Sun, Jul 20

PDX

Portland

MDW

Chicago

$684 Roundtrip, found 21 hours ago

$684

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Portland to Chicago, returning Sun, Jul 20, priced at $684 found 21 hours ago