$127 Cheap Frontier Airlines flights Chicago (MDW) to San Francisco (SFO)

$127 Cheap Frontier Airlines flights Chicago (MDW) to San Francisco (SFO)

Prices were available within the past 7 days and start at $127 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 18 - Thu, Sep 3

MDW

Chicago

SFO

San Francisco

$254 Roundtrip, found 13 hours ago

$254

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, Aug 18 from Chicago to San Francisco, returning Thu, Sep 3, priced at $254 found 13 hours ago

Fri, Aug 21 - Thu, Sep 3

MDW

Chicago

SFO

San Francisco

$258 Roundtrip, found 3 days ago

$258

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Aug 21 from Chicago to San Francisco, returning Thu, Sep 3, priced at $258 found 3 days ago

Fri, Aug 21 - Fri, Aug 28

MDW

Chicago

SFO

San Francisco

$262 Roundtrip, found 3 days ago

$262

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Aug 21 from Chicago to San Francisco, returning Fri, Aug 28, priced at $262 found 3 days ago

Tue, Aug 18 - Sun, Aug 30

MDW

Chicago

SFO

San Francisco

$276 Roundtrip, found 3 days ago

$276

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Aug 18 from Chicago to San Francisco, returning Sun, Aug 30, priced at $276 found 3 days ago

Tue, Aug 18 - Wed, Sep 2

MDW

Chicago

SFO

San Francisco

$277 Roundtrip, found 3 days ago

$277

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Aug 18 from Chicago to San Francisco, returning Wed, Sep 2, priced at $277 found 3 days ago

Fri, Aug 21 - Sun, Aug 30

MDW

Chicago

SFO

San Francisco

$280 Roundtrip, found 3 days ago

$280

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Aug 21 from Chicago to San Francisco, returning Sun, Aug 30, priced at $280 found 3 days ago