Cheap Flights to San Diego County from $28

View $28 flight on Mon, Jun 1, 2026Opens in a new window

Popular airlines to San Diego County

  • Alaska Airlines

  • American Airlines

  • United

  • Delta

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

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How much is the cheapest flight to San Diego 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 24 - Tue, Jun 30
SFO
San Francisco
SAN
San Diego
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jun 24 from San Francisco to San Diego, returning Tue, Jun 30, priced at $56 just found
Frontier Airlines
Sun, May 3 - Tue, May 12
SFO
San Francisco
SAN
San Diego
$66 Roundtrip, just found
$66
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, May 3 from San Francisco to San Diego, returning Tue, May 12, priced at $66 just found
Frontier Airlines
Sun, May 31 - Wed, Jun 3
SFO
San Francisco
SAN
San Diego
$72 Roundtrip, just found
$72
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, May 31 from San Francisco to San Diego, returning Wed, Jun 3, priced at $72 just found
Alaska Airlines
Tue, May 5 - Wed, May 6
SFO
San Francisco
SAN
San Diego
$77 Roundtrip, just found
$77
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, May 5 from San Francisco to San Diego, returning Wed, May 6, priced at $77 just found
Frontier Airlines
Wed, May 20 - Wed, Jun 3
SFO
San Francisco
SAN
San Diego
$78 Roundtrip, found 1 day ago
$78
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, May 20 from San Francisco to San Diego, returning Wed, Jun 3, priced at $78 found 1 day ago
Southwest Airlines
Sat, May 9 - Tue, May 12
SFO
San Francisco
SAN
San Diego
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, May 9 from San Francisco to San Diego, returning Tue, May 12, priced at $82 just found
Frontier Airlines
Sat, Jun 20 - Tue, Jun 30
SFO
San Francisco
SAN
San Diego
$82 Roundtrip, found 12 hours ago
$82
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, Jun 20 from San Francisco to San Diego, returning Tue, Jun 30, priced at $82 found 12 hours ago
Frontier Airlines
Mon, May 11 - Tue, May 19
SFO
San Francisco
SAN
San Diego
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, May 11 from San Francisco to San Diego, returning Tue, May 19, priced at $84 just found
United
Wed, Jun 3 - Sat, Jun 6
SFO
San Francisco
SAN
San Diego
$117 Roundtrip, just found
$117
Roundtrip
just found
Select United flight, departing Wed, Jun 3 from San Francisco to San Diego, returning Sat, Jun 6, priced at $117 just found
Delta
Wed, Jun 3 - Sat, Jun 6
SFO
San Francisco
SAN
San Diego
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Delta flight, departing Wed, Jun 3 from San Francisco to San Diego, returning Sat, Jun 6, priced at $157 just found

Airports in San Diego County

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

Select flight to John Wayne SNA. Flights from $597
SNA
John Wayne
Flights from $597
Select flight to San Diego Intl. SAN. Cheapest option available. Flights from $262
SAN
San Diego Intl.
Cheapest
Flights from $262
Select flight to Palm Springs Intl. PSP. Flights from $552
PSP
Palm Springs Intl.
Flights from $552
Select flight to McClellan-Palomar CLD. Flights from $417
CLD
McClellan-Palomar
Flights from $417

Trending flights to San Diego 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
Wed, Jun 24 - Tue, Jun 30
SFO
San Francisco
SAN
San Diego
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jun 24 from San Francisco to San Diego, returning Tue, Jun 30, 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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