$152 Cheap Frontier Airlines flights San Francisco (SFO) to Chicago (MDW)

$152 Cheap Frontier Airlines flights San Francisco (SFO) to Chicago (MDW)

Prices were available within the past 7 days and start at $152 for one-way flights and $355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 26 - Tue, Jul 29

SFO

San Francisco

MDW

Chicago

$355 Roundtrip, found 1 day ago

$355

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 26 from San Francisco to Chicago, returning Tue, Jul 29, priced at $355 found 1 day ago

Fri, Jul 25 - Tue, Jul 29

SFO

San Francisco

MDW

Chicago

$359 Roundtrip, found 1 day ago

$359

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 25 from San Francisco to Chicago, returning Tue, Jul 29, priced at $359 found 1 day ago

Mon, Jul 28 - Wed, Jul 30

SFO

San Francisco

MDW

Chicago

$401 Roundtrip, found 1 day ago

$401

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 28 from San Francisco to Chicago, returning Wed, Jul 30, priced at $401 found 1 day ago

Fri, Jul 25 - Wed, Jul 30

SFO

San Francisco

MDW

Chicago

$405 Roundtrip, found 1 day ago

$405

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 25 from San Francisco to Chicago, returning Wed, Jul 30, priced at $405 found 1 day ago

Sat, Jul 26 - Mon, Jul 28

SFO

San Francisco

MDW

Chicago

$406 Roundtrip, found 1 day ago

$406

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 26 from San Francisco to Chicago, returning Mon, Jul 28, priced at $406 found 1 day ago

Mon, Jul 28 - Fri, Aug 1

SFO

San Francisco

MDW

Chicago

$410 Roundtrip, found 1 day ago

$410

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 28 from San Francisco to Chicago, returning Fri, Aug 1, priced at $410 found 1 day ago

Fri, Jul 25 - Fri, Aug 1

SFO

San Francisco

MDW

Chicago

$414 Roundtrip, found 1 day ago

$414

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 25 from San Francisco to Chicago, returning Fri, Aug 1, priced at $414 found 1 day ago

Wed, Jul 23 - Tue, Jul 29

SFO

San Francisco

MDW

Chicago

$431 Roundtrip, found 1 day ago

$431

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 23 from San Francisco to Chicago, returning Tue, Jul 29, priced at $431 found 1 day ago

Wed, Jul 23 - Wed, Jul 30

SFO

San Francisco

MDW

Chicago

$477 Roundtrip, found 1 day ago

$477

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 23 from San Francisco to Chicago, returning Wed, Jul 30, priced at $477 found 1 day ago