Cheap Flights to San Diego County from $38

View $38 flight on Fri, Jan 9, 2026Opens in a new window

Popular airlines to San Diego County

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • JetBlue Airways

    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 $38 for one-way flights and $76 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jan 5 - Mon, Jan 12
SFO
San Francisco
SAN
San Diego
$76 Roundtrip, just found
$76
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jan 5 from San Francisco to San Diego, returning Mon, Jan 12, priced at $76 just found
Frontier Airlines
Mon, Jan 5 - Fri, Jan 16
SFO
San Francisco
SAN
San Diego
$77 Roundtrip, found 1 hour ago
$77
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jan 5 from San Francisco to San Diego, returning Fri, Jan 16, priced at $77 found 1 hour ago
Frontier Airlines
Sun, Jan 4 - Mon, Jan 12
SFO
San Francisco
SAN
San Diego
$82 Roundtrip, found 1 hour ago
$82
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Jan 4 from San Francisco to San Diego, returning Mon, Jan 12, priced at $82 found 1 hour ago
Frontier Airlines
Sun, Jan 4 - Fri, Jan 16
SFO
San Francisco
SAN
San Diego
$83 Roundtrip, found 1 hour ago
$83
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Jan 4 from San Francisco to San Diego, returning Fri, Jan 16, priced at $83 found 1 hour ago
Frontier Airlines
Sat, Jan 3 - Fri, Jan 9
SFO
San Francisco
SAN
San Diego
$92 Roundtrip, found 2 hours ago
$92
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Jan 3 from San Francisco to San Diego, returning Fri, Jan 9, priced at $92 found 2 hours ago
Frontier Airlines
Fri, Jan 9 - Fri, Jan 16
SFO
San Francisco
SAN
San Diego
$94 Roundtrip, found 5 hours ago
$94
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Jan 9 from San Francisco to San Diego, returning Fri, Jan 16, priced at $94 found 5 hours ago
Southwest Airlines
Sat, Jan 10 - Fri, Jan 16
SFO
San Francisco
SAN
San Diego
$98 Roundtrip, found 2 hours ago
$98
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Sat, Jan 10 from San Francisco to San Diego, returning Fri, Jan 16, priced at $98 found 2 hours ago
United
Tue, Jan 6 - Tue, Jan 13
SFO
San Francisco
SAN
San Diego
$117 Roundtrip, just found
$117
Roundtrip
just found
Select United flight, departing Tue, Jan 6 from San Francisco to San Diego, returning Tue, Jan 13, priced at $117 just found
Delta
Tue, Jan 6 - Tue, Jan 13
SFO
San Francisco
SAN
San Diego
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Delta flight, departing Tue, Jan 6 from San Francisco to San Diego, returning Tue, Jan 13, priced at $157 just found
American Airlines
Sat, Jan 24 - Sat, Feb 7
SFO
San Francisco
CLD
Carlsbad
$158 Roundtrip, found 1 hour ago
$158
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Jan 24 from San Francisco to Carlsbad, returning Sat, Feb 7, priced at $158 found 1 hour ago

Airports in San Diego County

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

Select flight to San Diego Intl. SAN. Cheapest option available. Flights from $604
SAN
San Diego Intl.
Cheapest
Flights from $604
Select flight to John Wayne SNA. Flights from $697
SNA
John Wayne
Flights from $697
Select flight to General Abelardo L. Rodriguez Intl. TIJ. Flights from $1,012
TIJ
General Abelardo L. Rodriguez Intl.
Flights from $1,012
Select flight to Palm Springs Intl. PSP. Flights from $668
PSP
Palm Springs Intl.
Flights from $668
Select flight to McClellan-Palomar CLD. Flights from $917
CLD
McClellan-Palomar
Flights from $917

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

San Diego County Flights Information

Airlines serving
Frontier Airlines, Alaska Airlines, Southwest Airlines, United, Delta, American Airlines
Roundtrip price
from $76

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.

Alaska Airlines
Mon, Feb 2 - Tue, Feb 10
PAE
Seattle
SAN
San Diego
$99 Roundtrip, found 21 hours ago
$99
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Mon, Feb 2 from Seattle to San Diego, returning Tue, Feb 10, priced at $99 found 21 hours ago
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