$117 Cheap Frontier Airlines flights Chicago (CHI) to San Francisco (SFO)

$117 Cheap Frontier Airlines flights Chicago (CHI) to San Francisco (SFO)

Prices were available within the past 7 days and start at $117 for one-way flights and $213 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Feb 2 - Thu, Feb 12

ORD

Chicago

SFO

San Francisco

$213 Roundtrip, found 4 days ago

$213

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Feb 2 from Chicago to San Francisco, returning Thu, Feb 12, priced at $213 found 4 days ago

Thu, Dec 18 - Thu, Jan 8

ORD

Chicago

SFO

San Francisco

$217 Roundtrip, found 16 hours ago

$217

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Dec 18 from Chicago to San Francisco, returning Thu, Jan 8, priced at $217 found 16 hours ago

Sat, Dec 6 - Mon, Dec 8

ORD

Chicago

SFO

San Francisco

$234 Roundtrip, found 1 day ago

$234

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Dec 6 from Chicago to San Francisco, returning Mon, Dec 8, priced at $234 found 1 day ago

Sun, Dec 21 - Thu, Jan 8

ORD

Chicago

SFO

San Francisco

$237 Roundtrip, found 16 hours ago

$237

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Dec 21 from Chicago to San Francisco, returning Thu, Jan 8, priced at $237 found 16 hours ago

Fri, Dec 5 - Mon, Dec 8

ORD

Chicago

SFO

San Francisco

$238 Roundtrip, found 1 day ago

$238

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Dec 5 from Chicago to San Francisco, returning Mon, Dec 8, priced at $238 found 1 day ago

Fri, Dec 5 - Sun, Dec 7

ORD

Chicago

SFO

San Francisco

$242 Roundtrip, found 1 day ago

$242

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Dec 5 from Chicago to San Francisco, returning Sun, Dec 7, priced at $242 found 1 day ago