Cheap Flights to San Diego County from $39

Popular airlines to San Diego County

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • JetBlue Airways

    JetBlue Airways

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Top Cities to Visit in San Diego County

Ocean Beach showing general coastal views and a coastal town
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San Diego

San Diego

How much is the cheapest flight to San Diego County?

Prices were available within the past 7 days and start at $39 for one-way flights and $72 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Oct 13 - Thu, Oct 16
SFO
San Francisco
SAN
San Diego
$77 Roundtrip, just found
$77
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Oct 13 from San Francisco to San Diego, returning Thu, Oct 16, priced at $77 just found
Southwest Airlines
Fri, Dec 5 - Sun, Dec 7
SFO
San Francisco
SAN
San Diego
$77 Roundtrip, just found
$77
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Dec 5 from San Francisco to San Diego, returning Sun, Dec 7, priced at $77 just found
Alaska Airlines
Wed, Oct 22 - Tue, Oct 28
SFO
San Francisco
SAN
San Diego
$78 Roundtrip, found 2 hours ago
$78
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Oct 22 from San Francisco to San Diego, returning Tue, Oct 28, priced at $78 found 2 hours ago
United
Sun, Dec 14 - Wed, Dec 17
SFO
San Francisco
SAN
San Diego
$79 Roundtrip, found 8 hours ago
$79
Roundtrip
found 8 hours ago
Select United flight, departing Sun, Dec 14 from San Francisco to San Diego, returning Wed, Dec 17, priced at $79 found 8 hours ago
Frontier Airlines
Fri, Dec 5 - Sun, Dec 7
SFO
San Francisco
SAN
San Diego
$93 Roundtrip, just found
$93
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Dec 5 from San Francisco to San Diego, returning Sun, Dec 7, priced at $93 just found
Southwest Airlines
Fri, Dec 5 - Mon, Dec 8
SFO
San Francisco
SAN
San Diego
$95 Roundtrip, just found
$95
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Dec 5 from San Francisco to San Diego, returning Mon, Dec 8, priced at $95 just found
Frontier Airlines
Sun, Dec 14 - Mon, Dec 15
SFO
San Francisco
SAN
San Diego
$95 Roundtrip, found 12 hours ago
$95
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sun, Dec 14 from San Francisco to San Diego, returning Mon, Dec 15, priced at $95 found 12 hours ago
Southwest Airlines
Tue, Nov 11 - Wed, Nov 19
SMF
Sacramento
SAN
San Diego
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Nov 11 from Sacramento to San Diego, returning Wed, Nov 19, priced at $97 just found
Frontier Airlines
Thu, Oct 9 - Tue, Oct 14
SFO
San Francisco
SAN
San Diego
$98 Roundtrip, just found
$98
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 9 from San Francisco to San Diego, returning Tue, Oct 14, priced at $98 just found
Hawaiian Airlines
Sun, Nov 23 - Wed, Dec 10
SFO
San Francisco
SAN
San Diego
$117 Roundtrip, found 18 hours ago
$117
Roundtrip
found 18 hours ago
Select Hawaiian Airlines flight, departing Sun, Nov 23 from San Francisco to San Diego, returning Wed, Dec 10, priced at $117 found 18 hours ago

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San Diego County Flights Information

Airlines serving
Southwest Airlines, United, Alaska Airlines, Frontier Airlines, Spirit Airlines, Hawaiian Airlines
Roundtrip price
from $72

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.

United
Sat, Oct 25 - Sat, Oct 25
SFO
San Francisco
SAN
San Diego
$72 Roundtrip, found 2 hours ago
$72
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 25 from San Francisco to San Diego, returning Sat, Oct 25, priced at $72 found 2 hours ago
*Available to One Key members.