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Uncover the best deals on San Antonio to San Diego flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SAT - SAN Flights
Useful information for finding best airline tickets from San Antonio International to San Diego International on your next trip.
Cheapest Round Trip Flight
$288
Frontier Airlines
• 1 stop
• 25h 26m
Jul 16 – Jul 31
The cheapest round trip flight from San Antonio to San Diego (SAT-SAN-SAT) is currently $288
Cheapest Direct Flight
$755
Southwest Airlines
• nonstop
• 4h 5m
Jul 15
The cheapest nonstop flight from San Antonio to San Diego (SAT-SAN) is currently $755
Fastest Flight
4h 5m
The fastest nonstop flight from San Antonio to San Diego (SAT-SAN) takes 4h 5m
Top Airlines Flying from San Antonio to San Diego
Latest Flight Deals from San Antonio (SAT) to San Diego (SAN)
Compare and book low fare round-trip air tickets from San Antonio to San Diego. Ideal for travelers with confirmed return itineraries.
Jul 16 - Jul 31, Economy
San Antonio → San Diego
25h 26m
7:39 PM - 9:05 AM • 1 stop
San Antonio → San Diego
10h 44m
10:00 AM - 6:44 PM • 1 stop
Frontier Airlines
Jul 16 - Jul 31, Economy
San Antonio → San Diego
7h 15m
2:40 PM - 5:15 PM • 1 stop
San Antonio → San Diego
9h 5m
1:20 PM - 9:05 PM • 1 stop
Southwest Airlines
Jul 16 - Jul 31, Economy
San Antonio → San Diego
9h 10m
6:45 AM - 10:35 AM • 1 stop
San Antonio → San Diego
7h 5m
6:55 PM - 1:20 AM • 1 stop
Southwest Airlines
Jul 16 - Jul 31, Economy
San Antonio → San Diego
7h 35m
11:00 AM - 1:55 PM • 1 stop
San Antonio → San Diego
7h 25m
1:50 PM - 8:35 PM • 1 stop
Southwest Airlines
Jul 16 - Jul 31, Economy
San Antonio → San Diego
6h 50m
11:00 AM - 1:10 PM • 1 stop
San Antonio → San Diego
8h 30m
4:25 PM - 11:35 PM • 1 stop
Southwest Airlines
Flying to San Diego soon? We've surfaced some of the most affordable last-minute flights from San Antonio to San Diego, ideal for urgent plans or spontaneous trips.
Jul 16 - Jul 31, Economy
San Antonio → San Diego
25h 26m
7:39 PM - 9:05 AM • 1 stop
San Antonio → San Diego
10h 44m
10:00 AM - 6:44 PM • 1 stop
Frontier Airlines
Jul 16 - Jul 31, Economy
San Antonio → San Diego
7h 15m
2:40 PM - 5:15 PM • 1 stop
San Antonio → San Diego
9h 5m
1:20 PM - 9:05 PM • 1 stop
Southwest Airlines
Jul 16 - Jul 31, Economy
San Antonio → San Diego
9h 10m
6:45 AM - 10:35 AM • 1 stop
San Antonio → San Diego
7h 5m
6:55 PM - 1:20 AM • 1 stop
Southwest Airlines
Jul 16 - Jul 31, Economy
San Antonio → San Diego
7h 35m
11:00 AM - 1:55 PM • 1 stop
San Antonio → San Diego
7h 25m
1:50 PM - 8:35 PM • 1 stop
Southwest Airlines
Jul 16 - Jul 31, Economy
San Antonio → San Diego
6h 50m
11:00 AM - 1:10 PM • 1 stop
San Antonio → San Diego
8h 30m
4:25 PM - 11:35 PM • 1 stop
Southwest Airlines
Looking for the fastest way to San Diego? These direct flight options from SAT to SAN offer both convenience and value—no layovers, just straight to your destination.
Jul 15 - Jul 22, Economy
San Antonio → San Diego
4h 5m
7:25 PM - 8:10 PM • nonstop
San Antonio → San Diego
4h 15m
7:25 PM - 12:20 AM • nonstop
Southwest Airlines
Jul 15 - Jul 22, Economy
San Antonio → San Diego
4h 10m
6:20 AM - 7:10 AM • nonstop
San Antonio → San Diego
4h 10m
8:30 AM - 1:20 PM • nonstop
Southwest Airlines
Jul 16 - Jul 31, Economy
San Antonio → San Diego
4h 5m
8:10 PM - 8:55 PM • nonstop
San Antonio → San Diego
4h 10m
8:25 PM - 1:15 AM • nonstop
Southwest Airlines
FAQs on San Antonio to San Diego Flights
What are the airports in San Antonio?
SAT
What’s the most popular airline flying from SAT to SAN?
The most popular airline flying from San Antonio to San Diego are
Can I fly from SAT to SAN non-stop?
Yes, you can fly SAT to SAN non-stop on
Which airlines fly nonstop between San Antonio and San Diego?
The non-stop flights between San Antonio and San Diego are .
What’s the earliest departure time from SAT to SAN Airport?
The earliest flight leaves SAT at 6:15 am and lands in SAN - San Diego International
What are the airports in San Diego?
SAN
Can I make changes to my San Antonio to San Diego flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SAT to SAN?
Read the fare rules of the San Antonio to San Diego air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from San Antonio and San Diego?
operate flights between San Antonio and San Diego
How long does a flight from San Antonio to San Diego take?
It takes approximately 3 hour to fly non-stop from SAT to SAN, which is 1129.46 miles by air.
Which airlines provide the cheapest flights from San Antonio (SAT) to San Diego (SAN) ?
In the past couple of days, the cheapest tickets to SAN from SAT were found on DL : USD 907
Do I need a passport to fly between SAT and SAN?
No
What’s the latest departure time from SAT to SAN ?
The last flight leaves SAT at 8:10 pm
San Antonio (SAT) to San Diego (SAN): Airport Information
| Origin Airport | San Antonio International , San Antonio, US |
| Destination Airport | San Diego International , San Diego, US |
| Distance | 1129 miles |
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