Flights from St. Louis to San Francisco

Cheapest flights from St. Louis

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.

Tue, May 7 - Thu, May 9

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$120 Roundtrip, found 6 days ago

$120

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, May 7 from Lambert-St. Louis Intl. to San Francisco Intl., returning Thu, May 9, priced at $120 found 6 days ago

Wed, May 1 - Thu, May 9

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$124 Roundtrip, found 6 days ago

$124

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, May 1 from Lambert-St. Louis Intl. to San Francisco Intl., returning Thu, May 9, priced at $124 found 6 days ago

Fri, May 3 - Thu, May 9

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$134 Roundtrip, found 6 days ago

$134

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, May 3 from Lambert-St. Louis Intl. to San Francisco Intl., returning Thu, May 9, priced at $134 found 6 days ago

Tue, May 7 - Fri, May 10

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$145 Roundtrip, found 6 days ago

$145

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, May 7 from Lambert-St. Louis Intl. to San Francisco Intl., returning Fri, May 10, priced at $145 found 6 days ago

Wed, May 1 - Fri, May 10

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$149 Roundtrip, found 6 days ago

$149

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, May 1 from Lambert-St. Louis Intl. to San Francisco Intl., returning Fri, May 10, priced at $149 found 6 days ago

Fri, May 3 - Fri, May 10

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$159 Roundtrip, found 6 days ago

$159

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, May 3 from Lambert-St. Louis Intl. to San Francisco Intl., returning Fri, May 10, priced at $159 found 6 days ago

Sun, May 5 - Thu, May 9

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$174 Roundtrip, found 6 days ago

$174

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, May 5 from Lambert-St. Louis Intl. to San Francisco Intl., returning Thu, May 9, priced at $174 found 6 days ago

Sun, May 5 - Fri, May 10

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$199 Roundtrip, found 6 days ago

$199

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, May 5 from Lambert-St. Louis Intl. to San Francisco Intl., returning Fri, May 10, priced at $199 found 6 days ago

Mon, Jun 17 - Tue, Jun 18

STL

Lambert-St. Louis Intl.

SJC

Norman Y. Mineta San Jose Intl.

$242 Roundtrip, found 3 days ago

$242

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Jun 17 from Lambert-St. Louis Intl. to Norman Y. Mineta San Jose Intl., returning Tue, Jun 18, priced at $242 found 3 days ago

Sat, May 4 - Thu, May 9

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$244 Roundtrip, found 6 days ago

$244

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Thu, May 9, priced at $244 found 6 days ago

Sat, May 4 - Sat, May 11

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$258 Roundtrip, found 6 days ago

$258

Roundtrip

found 6 days ago

Select United flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Sat, May 11, priced at $258 found 6 days ago

Sat, May 4 - Sat, May 11

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$258 Roundtrip, found 6 days ago

$258

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Sat, May 11, priced at $258 found 6 days ago

Sat, May 4 - Sat, May 11

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$258 Roundtrip, found 6 days ago

$258

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Sat, May 11, priced at $258 found 6 days ago

Sat, May 4 - Fri, May 10

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$269 Roundtrip, found 6 days ago

$269

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Fri, May 10, priced at $269 found 6 days ago

Sat, May 4 - Sat, May 11

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$274 Roundtrip, found 6 days ago

$274

Roundtrip

found 6 days ago

Select United flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Sat, May 11, priced at $274 found 6 days ago

Sat, May 4 - Sat, May 11

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$282 Roundtrip, found 6 days ago

$282

Roundtrip

found 6 days ago

Select United flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Sat, May 11, priced at $282 found 6 days ago

Sat, May 4 - Sat, May 11

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$286 Roundtrip, found 6 days ago

$286

Roundtrip

found 6 days ago

Select United flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Sat, May 11, priced at $286 found 6 days ago

Sat, May 4 - Sat, May 11

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$286 Roundtrip, found 6 days ago

$286

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Sat, May 11, priced at $286 found 6 days ago

Mon, Jun 17 - Mon, Jun 24

STL

Lambert-St. Louis Intl.

SJC

Norman Y. Mineta San Jose Intl.

$317 Roundtrip, found 3 days ago

$317

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Jun 17 from Lambert-St. Louis Intl. to Norman Y. Mineta San Jose Intl., returning Mon, Jun 24, priced at $317 found 3 days ago

Sat, May 4 - Sat, May 11

STL

Lambert-St. Louis Intl.

SFO

San Francisco Intl.

$603 Roundtrip, found 6 days ago

$603

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Sat, May 4 from Lambert-St. Louis Intl. to San Francisco Intl., returning Sat, May 11, priced at $603 found 6 days ago