$125 Cheap Frontier Airlines flights San Francisco (SFO) to Chicago (ORD)

$125 Cheap Frontier Airlines flights San Francisco (SFO) to Chicago (ORD)

Prices were available within the past 7 days and start at $125 for one-way flights and $272 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 13 - Tue, Jun 23

SFO

San Francisco

ORD

Chicago

$272 Roundtrip, found 1 day ago

$272

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 13 from San Francisco to Chicago, returning Tue, Jun 23, priced at $272 found 1 day ago

Tue, Jul 7 - Thu, Jul 16

SFO

San Francisco

ORD

Chicago

$291 Roundtrip, found 1 day ago

$291

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 7 from San Francisco to Chicago, returning Thu, Jul 16, priced at $291 found 1 day ago

Sat, Jun 13 - Fri, Jun 19

SFO

San Francisco

ORD

Chicago

$297 Roundtrip, found 1 day ago

$297

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 13 from San Francisco to Chicago, returning Fri, Jun 19, priced at $297 found 1 day ago

Tue, Jul 7 - Thu, Jul 16

SFO

San Francisco

ORD

Chicago

$313 Roundtrip, found 1 day ago

$313

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 7 from San Francisco to Chicago, returning Thu, Jul 16, priced at $313 found 1 day ago

Mon, Jun 15 - Wed, Jun 24

SFO

San Francisco

ORD

Chicago

$327 Roundtrip, found 1 day ago

$327

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 15 from San Francisco to Chicago, returning Wed, Jun 24, priced at $327 found 1 day ago

Tue, Jun 9 - Fri, Jun 19

SFO

San Francisco

ORD

Chicago

$333 Roundtrip, found 1 day ago

$333

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 9 from San Francisco to Chicago, returning Fri, Jun 19, priced at $333 found 1 day ago