$126 Cheap Frontier Airlines flights Denver (DEN) to San Francisco (SFO)

$126 Cheap Frontier Airlines flights Denver (DEN) to San Francisco (SFO)

Prices were available within the past 7 days and start at $126 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 21 - Tue, Oct 6

DEN

Denver

SFO

San Francisco

$249 Roundtrip, found 1 day ago

$249

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Sep 21 from Denver to San Francisco, returning Tue, Oct 6, priced at $249 found 1 day ago

Mon, Sep 21 - Sat, Oct 3

DEN

Denver

SFO

San Francisco

$258 Roundtrip, found 1 day ago

$258

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Sep 21 from Denver to San Francisco, returning Sat, Oct 3, priced at $258 found 1 day ago

Tue, Sep 22 - Mon, Oct 5

DEN

Denver

SFO

San Francisco

$260 Roundtrip, found 1 day ago

$260

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 22 from Denver to San Francisco, returning Mon, Oct 5, priced at $260 found 1 day ago

Mon, Sep 21 - Mon, Oct 5

DEN

Denver

SFO

San Francisco

$269 Roundtrip, found 1 day ago

$269

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Sep 21 from Denver to San Francisco, returning Mon, Oct 5, priced at $269 found 1 day ago

Wed, Sep 23 - Mon, Oct 5

DEN

Denver

SFO

San Francisco

$274 Roundtrip, found 1 day ago

$274

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Sep 23 from Denver to San Francisco, returning Mon, Oct 5, priced at $274 found 1 day ago

Fri, Sep 25 - Mon, Oct 5

DEN

Denver

SFO

San Francisco

$280 Roundtrip, found 1 day ago

$280

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Sep 25 from Denver to San Francisco, returning Mon, Oct 5, priced at $280 found 1 day ago