Flights from San Francisco to Denver

Cheapest flights from San Francisco

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 25 - Mon, Sep 29

SJC

Norman Y. Mineta San Jose Intl.

DEN

Denver Intl.

$115 Roundtrip, found 7 hours ago

$115

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Thu, Sep 25 from Norman Y. Mineta San Jose Intl. to Denver Intl., returning Mon, Sep 29, priced at $115 found 7 hours ago

Tue, Sep 16 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$120 Roundtrip, found 7 hours ago

$120

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $120 found 7 hours ago

Sat, Sep 13 - Tue, Sep 16

SFO

San Francisco Intl.

DEN

Denver Intl.

$121 Roundtrip, found 7 hours ago

$121

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, Sep 13 from San Francisco Intl. to Denver Intl., returning Tue, Sep 16, priced at $121 found 7 hours ago

Tue, Sep 16 - Tue, Sep 16

SFO

San Francisco Intl.

DEN

Denver Intl.

$121 Roundtrip, found 7 hours ago

$121

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Tue, Sep 16, priced at $121 found 7 hours ago

Sat, Sep 13 - Thu, Sep 18

SFO

San Francisco Intl.

DEN

Denver Intl.

$126 Roundtrip, found 7 hours ago

$126

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, Sep 13 from San Francisco Intl. to Denver Intl., returning Thu, Sep 18, priced at $126 found 7 hours ago

Tue, Sep 16 - Thu, Sep 18

SFO

San Francisco Intl.

DEN

Denver Intl.

$126 Roundtrip, found 7 hours ago

$126

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Thu, Sep 18, priced at $126 found 7 hours ago

Thu, Sep 25 - Mon, Sep 29

SJC

Norman Y. Mineta San Jose Intl.

DEN

Denver Intl.

$131 Roundtrip, found 7 hours ago

$131

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Thu, Sep 25 from Norman Y. Mineta San Jose Intl. to Denver Intl., returning Mon, Sep 29, priced at $131 found 7 hours ago

Tue, Sep 16 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$134 Roundtrip, found 7 hours ago

$134

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $134 found 7 hours ago

Sat, Sep 13 - Sun, Sep 21

SFO

San Francisco Intl.

DEN

Denver Intl.

$134 Roundtrip, found 7 hours ago

$134

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, Sep 13 from San Francisco Intl. to Denver Intl., returning Sun, Sep 21, priced at $134 found 7 hours ago

Sun, Sep 14 - Thu, Sep 18

SFO

San Francisco Intl.

DEN

Denver Intl.

$140 Roundtrip, found 7 hours ago

$140

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sun, Sep 14 from San Francisco Intl. to Denver Intl., returning Thu, Sep 18, priced at $140 found 7 hours ago

Sun, Sep 14 - Sun, Sep 21

SFO

San Francisco Intl.

DEN

Denver Intl.

$148 Roundtrip, found 7 hours ago

$148

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sun, Sep 14 from San Francisco Intl. to Denver Intl., returning Sun, Sep 21, priced at $148 found 7 hours ago

Tue, Sep 16 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$153 Roundtrip, found 7 hours ago

$153

Roundtrip

found 7 hours ago

Select United flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $153 found 7 hours ago

Tue, Sep 16 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$159 Roundtrip, found 7 hours ago

$159

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $159 found 7 hours ago

Tue, Sep 16 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$162 Roundtrip, found 7 hours ago

$162

Roundtrip

found 7 hours ago

Select Alaska Airlines flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $162 found 7 hours ago

Fri, Sep 19 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$164 Roundtrip, found 7 hours ago

$164

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Fri, Sep 19 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $164 found 7 hours ago

Tue, Sep 16 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$177 Roundtrip, found 7 hours ago

$177

Roundtrip

found 7 hours ago

Select United flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $177 found 7 hours ago

Sat, Nov 15 - Mon, Nov 17

OAK

Oakland Intl.

DEN

Denver Intl.

$199 Roundtrip, found 2 days ago

$199

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Sat, Nov 15 from Oakland Intl. to Denver Intl., returning Mon, Nov 17, priced at $199 found 2 days ago

Tue, Sep 16 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$202 Roundtrip, found 7 hours ago

$202

Roundtrip

found 7 hours ago

Select American Airlines flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $202 found 7 hours ago

Tue, Sep 16 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$216 Roundtrip, found 7 hours ago

$216

Roundtrip

found 7 hours ago

Select Alaska Airlines flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $216 found 7 hours ago

Tue, Sep 16 - Fri, Sep 19

SFO

San Francisco Intl.

DEN

Denver Intl.

$217 Roundtrip, found 7 hours ago

$217

Roundtrip

found 7 hours ago

Select Delta flight, departing Tue, Sep 16 from San Francisco Intl. to Denver Intl., returning Fri, Sep 19, priced at $217 found 7 hours ago