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Find low faresSouthwest® flights from Phoenix to San Diego from $50
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Low fares from Phoenix to San Diego
$
Phoenix (PHX)to
San Diego (SAN)
Depart: 05/02/2026
One-way
Basic
From
$50
Seen: 22 hrs ago
Phoenix (PHX)to
San Diego (SAN)
Depart: 04/11/2026
One-way
Basic
From
$50
Seen: 9 hrs ago
Phoenix (PHX)to
San Diego (SAN)
Depart: 03/07/2026
One-way
Basic
From
$50
Seen: 1 hour ago
Phoenix (PHX)to
San Diego (SAN)
Depart: 03/28/2026
One-way
Basic
From
$50
Seen: 11 hrs ago
Phoenix (PHX)to
San Diego (SAN)
Depart: 02/28/2026
One-way
Basic
From
$50
Seen: 1 hour ago
Phoenix (PHX)to
San Diego (SAN)
Depart: 04/18/2026
One-way
Basic
From
$50
Seen: 17 hrs ago
Explore flights from Phoenix to San Diego
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Flight Details
Departing from:
Sky Harbor International Airport
Arriving at:
San Diego International Airport
Average flight time:
1 hour 13 minutes
Distance:
304 miles
Route Information
156† Weekly flights
- 9‡ Nonstop flights per day Monday through Friday
- 8‡ Nonstop flights on Saturday
- 10‡ Nonstop flights on Sunday
† 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.
Explore San Diego
Layer on your sunscreen and get ready to soak up some rays on over 68 miles of beaches! Multifaceted San Diego is a favorite destination for surfers and culture-lovers alike, offering its visitors beaches, scenic hiking trails, numerous museums, great food, and more.
With miles of Pacific coastline, San Diego is a prime beach destination. Rollerblade or skateboard down Mission Beach Boardwalk and stop at seaside Belmont Park for a ride on the Giant Dipper Roller Coaster. Play a few rounds of beach volleyball on the courts at Moonlight Beach, snorkel and scuba dive at La Jolla Shores, or relax in the sun at laid-back Coronado Beach. If nature walks are more your speed, watch for whales on the coastal bluffs at Sunset Cliffs Natural Park, explore over 1,750 acres of land including salt marshes and waterfowl refuges at Torrey Pines State Reserve, or enjoy a walk or bike ride through Balboa Park.
Questions we hear the most
The average flight time from Phoenix to San Diego is 1 hour 13 minutes.
There are 156 weekly flights from Phoenix to San Diego on Southwest Airlines.
Yes, Southwest flies nonstop from Phoenix to San Diego 9 times per day from Monday through Friday.
Yes, Southwest flies nonstop from Phoenix to San Diego 8 times per day on Saturdays and 10 times per day on Sundays.
To find the lowest fares by day and time to fly Phoenix 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 Phoenix 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.