$54 Cheap Frontier Airlines flights Denver (DEN) to San Francisco (SFO)

$54 Cheap Frontier Airlines flights Denver (DEN) to San Francisco (SFO)

Prices were available within the past 7 days and start at $54 for one-way flights and $68 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 12 - Thu, Jan 29

DEN

Denver

SFO

San Francisco

$68 Roundtrip, found 9 hours ago

$68

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from Denver to San Francisco, returning Thu, Jan 29, priced at $68 found 9 hours ago

Thu, Dec 4 - Tue, Dec 9

DEN

Denver

SFO

San Francisco

$69 Roundtrip, found 8 hours ago

$69

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, Dec 4 from Denver to San Francisco, returning Tue, Dec 9, priced at $69 found 8 hours ago

Thu, Dec 4 - Thu, Dec 11

DEN

Denver

SFO

San Francisco

$70 Roundtrip, found 8 hours ago

$70

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, Dec 4 from Denver to San Francisco, returning Thu, Dec 11, priced at $70 found 8 hours ago

Mon, Dec 15 - Mon, Jan 5

DEN

Denver

SFO

San Francisco

$71 Roundtrip, found 9 hours ago

$71

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Dec 15 from Denver to San Francisco, returning Mon, Jan 5, priced at $71 found 9 hours ago

Thu, Nov 27 - Sat, Dec 13

DEN

Denver

SFO

San Francisco

$79 Roundtrip, found 5 hours ago

$79

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Thu, Nov 27 from Denver to San Francisco, returning Sat, Dec 13, priced at $79 found 5 hours ago

Thu, Nov 27 - Mon, Dec 15

DEN

Denver

SFO

San Francisco

$80 Roundtrip, found 5 hours ago

$80

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Thu, Nov 27 from Denver to San Francisco, returning Mon, Dec 15, priced at $80 found 5 hours ago