Flights from Denver to Silicon Valley

Cheapest flights from Denver

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, Jul 10 - Sun, Jul 13

DEN

Denver Intl.

SFO

San Francisco Intl.

$163 Roundtrip, found 4 hours ago

$163

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Denver Intl. to San Francisco Intl., returning Sun, Jul 13, priced at $163 found 4 hours ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$172 Roundtrip, found 6 days ago

$172

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $172 found 6 days ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$197 Roundtrip, found 6 days ago

$197

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $197 found 6 days ago

Thu, Jul 10 - Sun, Jul 13

DEN

Denver Intl.

SFO

San Francisco Intl.

$201 Roundtrip, found 4 hours ago

$201

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Denver Intl. to San Francisco Intl., returning Sun, Jul 13, priced at $201 found 4 hours ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$207 Roundtrip, found 6 days ago

$207

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $207 found 6 days ago

Wed, Aug 6 - Tue, Aug 12

DEN

Denver Intl.

OAK

Oakland Intl.

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Aug 6 from Denver Intl. to Oakland Intl., returning Tue, Aug 12, priced at $217 found 1 day ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$217 Roundtrip, found 6 days ago

$217

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $217 found 6 days ago

Wed, Aug 6 - Fri, Aug 8

DEN

Denver Intl.

OAK

Oakland Intl.

$227 Roundtrip, found 1 day ago

$227

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Aug 6 from Denver Intl. to Oakland Intl., returning Fri, Aug 8, priced at $227 found 1 day ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$227 Roundtrip, found 6 days ago

$227

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $227 found 6 days ago

Tue, Jul 1 - Tue, Jul 1

DEN

Denver Intl.

SFO

San Francisco Intl.

$231 Roundtrip, found 6 days ago

$231

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Jul 1 from Denver Intl. to San Francisco Intl., returning Tue, Jul 1, priced at $231 found 6 days ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$232 Roundtrip, found 6 days ago

$232

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $232 found 6 days ago

Thu, Jul 10 - Thu, Jul 17

DEN

Denver Intl.

SJC

Norman Y. Mineta San Jose Intl.

$236 Roundtrip, found 2 days ago

$236

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Denver Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Jul 17, priced at $236 found 2 days ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$237 Roundtrip, found 6 days ago

$237

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $237 found 6 days ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$241 Roundtrip, found 6 days ago

$241

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $241 found 6 days ago

Thu, Jul 10 - Sun, Jul 20

DEN

Denver Intl.

SJC

Norman Y. Mineta San Jose Intl.

$241 Roundtrip, found 2 days ago

$241

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Denver Intl. to Norman Y. Mineta San Jose Intl., returning Sun, Jul 20, priced at $241 found 2 days ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$242 Roundtrip, found 6 days ago

$242

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $242 found 6 days ago

Wed, Jul 23 - Sun, Jul 27

DEN

Denver Intl.

SFO

San Francisco Intl.

$245 Roundtrip, found 6 days ago

$245

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Jul 23 from Denver Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $245 found 6 days ago

Mon, Jul 21 - Tue, Jul 29

COS

Colorado Springs

SFO

San Francisco Intl.

$297 Roundtrip, found 6 days ago

$297

Roundtrip

found 6 days ago

Select Delta flight, departing Mon, Jul 21 from Colorado Springs to San Francisco Intl., returning Tue, Jul 29, priced at $297 found 6 days ago

Thu, Jul 10 - Sun, Jul 13

DEN

Denver Intl.

SFO

San Francisco Intl.

$315 Roundtrip, found 4 hours ago

$315

Roundtrip

found 4 hours ago

Select American Airlines flight, departing Thu, Jul 10 from Denver Intl. to San Francisco Intl., returning Sun, Jul 13, priced at $315 found 4 hours ago

Tue, Jul 1 - Tue, Jul 1

DEN

Denver Intl.

SFO

San Francisco Intl.

$351 Roundtrip, found 6 days ago

$351

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Tue, Jul 1 from Denver Intl. to San Francisco Intl., returning Tue, Jul 1, priced at $351 found 6 days ago