Cheap Flights to San Diego County from $49

View $49 flight on Wed, Feb 11, 2026Opens in a new window

Popular airlines to San Diego County

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • United

    United

  • Delta

    Delta

  • 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 $49 for one-way flights and $93 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Tue, Feb 10 - Wed, Feb 18
SEA
Seattle
SAN
San Diego
$139 Roundtrip, found 2 hours ago
$139
Roundtrip
found 2 hours ago
Select Bargain Flight flight, departing Tue, Feb 10 from Seattle to San Diego, returning Wed, Feb 18, priced at $139 found 2 hours ago
Alaska Airlines
Mon, Mar 16 - Thu, Mar 26
SEA
Seattle
PSP
Palm Springs
$139 Roundtrip, found 4 hours ago
$139
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Mon, Mar 16 from Seattle to Palm Springs, returning Thu, Mar 26, priced at $139 found 4 hours ago
Alaska Airlines
Wed, Mar 4 - Sat, Mar 14
SEA
Seattle
SNA
Orange County
$139 Roundtrip, just found
$139
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Mar 4 from Seattle to Orange County, returning Sat, Mar 14, priced at $139 just found
Delta
Thu, Mar 5 - Tue, Mar 10
SEA
Seattle
SNA
Orange County
$139 Roundtrip, just found
$139
Roundtrip
just found
Select Delta flight, departing Thu, Mar 5 from Seattle to Orange County, returning Tue, Mar 10, priced at $139 just found
Frontier Airlines
Sat, Feb 21 - Tue, Feb 24
SEA
Seattle
SAN
San Diego
$144 Roundtrip, just found
$144
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Feb 21 from Seattle to San Diego, returning Tue, Feb 24, priced at $144 just found
Bargain Flight
Wed, Mar 25 - Sat, Apr 4
SEA
Seattle
SNA
Orange County
$148 Roundtrip, found 5 hours ago
$148
Roundtrip
found 5 hours ago
Select Bargain Flight flight, departing Wed, Mar 25 from Seattle to Orange County, returning Sat, Apr 4, priced at $148 found 5 hours ago
Alaska Airlines
Sat, Feb 28 - Tue, Mar 10
PAE
Seattle
SNA
Orange County
$148 Roundtrip, found 5 hours ago
$148
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Feb 28 from Seattle to Orange County, returning Tue, Mar 10, priced at $148 found 5 hours ago
Southwest Airlines
Sat, Mar 7 - Sun, Mar 8
SEA
Seattle
SAN
San Diego
$149 Roundtrip, just found
$149
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Mar 7 from Seattle to San Diego, returning Sun, Mar 8, priced at $149 just found
Alaska Airlines
Tue, May 12 - Tue, May 12
SEA
Seattle
SAN
San Diego
$151 Roundtrip, found 1 day ago
$151
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, May 12 from Seattle to San Diego, returning Tue, May 12, priced at $151 found 1 day ago
Southwest Airlines
Sat, Mar 21 - Wed, Apr 1
SEA
Seattle
SAN
San Diego
$152 Roundtrip, found 3 days ago
$152
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, Mar 21 from Seattle to San Diego, returning Wed, Apr 1, priced at $152 found 3 days ago

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 $447
SNA
John Wayne
Flights from $447
Select flight to Palm Springs Intl. PSP. Flights from $405
PSP
Palm Springs Intl.
Flights from $405
Select flight to McClellan-Palomar CLD. Cheapest option available. Flights from $283
CLD
McClellan-Palomar
Cheapest
Flights from $283

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

San Diego County Flights Information

Airlines serving
Frontier Airlines, Southwest Airlines, American Airlines, Alaska Airlines, United, Delta
Roundtrip price
from $93

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.

Southern Airways Express
Fri, Jan 30 - Fri, Jan 30
LAX
Los Angeles
IPL
El Centro
$93 Roundtrip, found 2 days ago
$93
Roundtrip
found 2 days ago
Select Southern Airways Express flight, departing Fri, Jan 30 from Los Angeles to El Centro, returning Fri, Jan 30, priced at $93 found 2 days ago
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