$91 Cheap Frontier Airlines flights Chicago (ORD) to San Francisco (SFO)

$91 Cheap Frontier Airlines flights Chicago (ORD) to San Francisco (SFO)

Prices were available within the past 7 days and start at $91 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 16 - Thu, Oct 23

ORD

Chicago

SFO

San Francisco

$198 Roundtrip, found 1 day ago

$198

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Oct 16 from Chicago to San Francisco, returning Thu, Oct 23, priced at $198 found 1 day ago

Sat, Oct 4 - Sat, Oct 11

ORD

Chicago

SFO

San Francisco

$217 Roundtrip, found 4 days ago

$217

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Oct 4 from Chicago to San Francisco, returning Sat, Oct 11, priced at $217 found 4 days ago

Mon, Oct 20 - Thu, Oct 23

ORD

Chicago

SFO

San Francisco

$240 Roundtrip, found 2 days ago

$240

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from Chicago to San Francisco, returning Thu, Oct 23, priced at $240 found 2 days ago

Sun, Oct 12 - Thu, Oct 23

ORD

Chicago

SFO

San Francisco

$280 Roundtrip, found 1 day ago

$280

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Chicago to San Francisco, returning Thu, Oct 23, priced at $280 found 1 day ago