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Find low faresSouthwest® flights from Jacksonville to San Diego from $219
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1 Passenger
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Low fares from Jacksonville to San Diego
$
Jacksonville (JAX)to
San Diego (SAN)
Depart: 03/24/2026
One-way
Basic
From
$219
Seen: 22 hrs ago
Jacksonville (JAX)to
San Diego (SAN)
Depart: 04/21/2026
One-way
Basic
From
$219
Seen: 19 hrs ago
Jacksonville (JAX)to
San Diego (SAN)
Depart: 02/24/2026
One-way
Basic
From
$219
Seen: 13 hrs ago
Jacksonville (JAX)to
San Diego (SAN)
Depart: 03/03/2026
One-way
Basic
From
$223
Seen: 3 hrs ago
Jacksonville (JAX)to
San Diego (SAN)
Depart: 02/21/2026
One-way
Basic
From
$223
Seen: 20 hrs ago
Jacksonville (JAX)to
San Diego (SAN)
Depart: 02/20/2026
One-way
Basic
From
$225
Seen: 21 hrs ago
Explore flights from Jacksonville to San Diego
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Flight Details
Departing from:
Jacksonville International Airport
Arriving at:
San Diego International Airport
Distance:
2089 miles
Route Information
128† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 128 weekly flights from Jacksonville to San Diego on Southwest Airlines.
To find the lowest fares by day and time to fly Jacksonville to San Diego with Southwest, check out our Low Fare Calendar.
You can rent a car at San Diego International Airport book yours with your flight.
Yes! Flights from Jacksonville to San Diego—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.