$59 Cheap Frontier Airlines flights San Francisco (SFO) to Denver (DEN)

$59 Cheap Frontier Airlines flights San Francisco (SFO) to Denver (DEN)

Prices were available within the past 7 days and start at $59 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 7 - Mon, Apr 13

SFO

San Francisco

DEN

Denver

$170 Roundtrip, found 6 days ago

$170

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Apr 7 from San Francisco to Denver, returning Mon, Apr 13, priced at $170 found 6 days ago

Tue, Apr 7 - Sat, Apr 11

SFO

San Francisco

DEN

Denver

$184 Roundtrip, found 6 days ago

$184

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Apr 7 from San Francisco to Denver, returning Sat, Apr 11, priced at $184 found 6 days ago

Fri, Apr 10 - Mon, Apr 13

SFO

San Francisco

DEN

Denver

$205 Roundtrip, found 6 days ago

$205

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Apr 10 from San Francisco to Denver, returning Mon, Apr 13, priced at $205 found 6 days ago

Fri, Apr 10 - Sat, Apr 11

SFO

San Francisco

DEN

Denver

$219 Roundtrip, found 6 days ago

$219

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Apr 10 from San Francisco to Denver, returning Sat, Apr 11, priced at $219 found 6 days ago

Fri, Apr 10 - Sun, Apr 12

SFO

San Francisco

DEN

Denver

$240 Roundtrip, found 6 days ago

$240

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Apr 10 from San Francisco to Denver, returning Sun, Apr 12, priced at $240 found 6 days ago