$78 Cheap Frontier Airlines flights Denver (DEN) to San Francisco (SFO)

$78 Cheap Frontier Airlines flights Denver (DEN) to San Francisco (SFO)

Prices were available within the past 7 days and start at $78 for one-way flights and $116 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 7 - Wed, Oct 8

DEN

Denver

SFO

San Francisco

$116 Roundtrip, found 12 hours ago

$116

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Tue, Oct 7 from Denver to San Francisco, returning Wed, Oct 8, priced at $116 found 12 hours ago

Sun, Oct 5 - Wed, Oct 8

DEN

Denver

SFO

San Francisco

$128 Roundtrip, found 12 hours ago

$128

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sun, Oct 5 from Denver to San Francisco, returning Wed, Oct 8, priced at $128 found 12 hours ago

Sun, Oct 5 - Fri, Oct 10

DEN

Denver

SFO

San Francisco

$140 Roundtrip, found 12 hours ago

$140

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sun, Oct 5 from Denver to San Francisco, returning Fri, Oct 10, priced at $140 found 12 hours ago