Cheap Flights to San Mateo County from $28

View $28 flight on Wed, Sep 23, 2026Opens in a new window

Popular airlines to San Mateo County

  • Alaska Airlines

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • JetBlue Airways

  • Southwest Airlines

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How much is the cheapest flight to San Mateo 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.

Frontier Airlines
Wed, Jun 3 - Sat, Jun 6
SAN
San Diego
SFO
San Francisco
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jun 3 from San Diego to San Francisco, returning Sat, Jun 6, priced at $56 just found
Frontier Airlines
Tue, Jun 23 - Wed, Jun 24
LAX
Los Angeles
SFO
San Francisco
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jun 23 from Los Angeles to San Francisco, returning Wed, Jun 24, priced at $56 just found
Frontier Airlines
Sat, Jun 6 - Sat, Jun 13
LAX
Los Angeles
SFO
San Francisco
$60 Roundtrip, found 1 hour ago
$60
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Jun 6 from Los Angeles to San Francisco, returning Sat, Jun 13, priced at $60 found 1 hour ago
Frontier Airlines
Thu, May 28 - Mon, Jun 1
LAX
Los Angeles
SJC
San Jose
$60 Roundtrip, just found
$60
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 28 from Los Angeles to San Jose, returning Mon, Jun 1, priced at $60 just found
Frontier Airlines
Fri, Jun 26 - Tue, Jun 30
SAN
San Diego
SFO
San Francisco
$66 Roundtrip, found 2 hours ago
$66
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Jun 26 from San Diego to San Francisco, returning Tue, Jun 30, priced at $66 found 2 hours ago
Frontier Airlines
Thu, Jun 4 - Sat, Jun 13
LAX
Los Angeles
SFO
San Francisco
$70 Roundtrip, found 1 hour ago
$70
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Jun 4 from Los Angeles to San Francisco, returning Sat, Jun 13, priced at $70 found 1 hour ago
American Airlines
Tue, Aug 11 - Wed, Aug 12
LAX
Los Angeles
SFO
San Francisco
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Aug 11 from Los Angeles to San Francisco, returning Wed, Aug 12, priced at $137 found 1 hour ago
Delta
Tue, Jun 16 - Wed, Jun 17
LAX
Los Angeles
SFO
San Francisco
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Delta flight, departing Tue, Jun 16 from Los Angeles to San Francisco, returning Wed, Jun 17, priced at $137 just found
United
Thu, Jun 18 - Fri, Jun 19
SEA
Seattle
SFO
San Francisco
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Thu, Jun 18 from Seattle to San Francisco, returning Fri, Jun 19, priced at $137 just found
Southwest Airlines
Fri, Jun 26 - Mon, Jun 29
SEA
Seattle
OAK
Oakland
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Jun 26 from Seattle to Oakland, returning Mon, Jun 29, priced at $137 just found

Airports in San Mateo County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest option available. Flights from $399
SFO
San Francisco Intl.
Cheapest
Flights from $399
Select flight to Norman Y. Mineta San Jose Intl. SJC. Flights from $597
SJC
Norman Y. Mineta San Jose Intl.
Flights from $597
Select flight to Oakland Intl. OAK. Flights from $424
OAK
Oakland Intl.
Flights from $424

Trending flights to San Mateo County

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.

Frontier Airlines
Tue, Jun 23 - Wed, Jun 24
LAX
Los Angeles
SFO
San Francisco
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jun 23 from Los Angeles to San Francisco, returning Wed, Jun 24, priced at $56 just found

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Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.

 

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