Cheap Flights to San Francisco County from $28

How much is the cheapest flight to San Francisco County?

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 7 - Mon, May 11

SAN

San Diego

SFO

San Francisco

$56 Roundtrip, just found

$56

Roundtrip

just found

Select Frontier Airlines flight, departing Thu, May 7 from San Diego to San Francisco, returning Mon, May 11, priced at $56 just found

Tue, Apr 28 - Sat, May 2

LAX

Los Angeles

SFO

San Francisco

$56 Roundtrip, found 1 hour ago

$56

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Tue, Apr 28 from Los Angeles to San Francisco, returning Sat, May 2, priced at $56 found 1 hour ago

Sat, May 2 - Tue, May 5

LAX

Los Angeles

SFO

San Francisco

$61 Roundtrip, just found

$61

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, May 2 from Los Angeles to San Francisco, returning Tue, May 5, priced at $61 just found

Wed, May 27 - Wed, Jun 3

SAN

San Diego

SFO

San Francisco

$66 Roundtrip, found 11 hours ago

$66

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, May 27 from San Diego to San Francisco, returning Wed, Jun 3, priced at $66 found 11 hours ago

Mon, May 18 - Tue, May 19

LAX

Los Angeles

SFO

San Francisco

$72 Roundtrip, found 1 hour ago

$72

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Mon, May 18 from Los Angeles to San Francisco, returning Tue, May 19, priced at $72 found 1 hour ago

Sat, Sep 5 - Tue, Sep 8

LAX

Los Angeles

SFO

San Francisco

$75 Roundtrip, found 1 day ago

$75

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Sep 5 from Los Angeles to San Francisco, returning Tue, Sep 8, priced at $75 found 1 day ago

Tue, May 5 - Wed, May 6

SAN

San Diego

SFO

San Francisco

$97 Roundtrip, found 1 hour ago

$97

Roundtrip

found 1 hour ago

Select Southwest Airlines flight, departing Tue, May 5 from San Diego to San Francisco, returning Wed, May 6, priced at $97 found 1 hour ago

Wed, Apr 15 - Tue, Apr 21

LAX

Los Angeles

SFO

San Francisco

$137 Roundtrip, found 1 hour ago

$137

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Wed, Apr 15 from Los Angeles to San Francisco, returning Tue, Apr 21, priced at $137 found 1 hour ago

Fri, May 8 - Mon, May 11

SEA

Seattle

SFO

San Francisco

$137 Roundtrip, just found

$137

Roundtrip

just found

Select United flight, departing Fri, May 8 from Seattle to San Francisco, returning Mon, May 11, priced at $137 just found

Wed, Jun 3 - Tue, Jun 9

PAE

Seattle

SJC

San Jose

$221 Roundtrip, found 5 days ago

$221

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Wed, Jun 3 from Seattle to San Jose, returning Tue, Jun 9, priced at $221 found 5 days ago