$62 Cheap Flights from San Diego (SAN) to San Antonio (SAT)

View $62 flight on Wed, Sep 10, 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to San Antonio International Airport (SAT)

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Cheap Flights from San Diego to San Antonio (SAN-SAT)

Prices were available within the past 7 days and start at $62 for one-way flights and $143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Sep 9 - Wed, Sep 10
SAN
San Diego
SAT
San Antonio
$143 Roundtrip, found 21 hours ago
$143
Roundtrip
found 21 hours ago
Select Spirit Airlines flight, departing Tue, Sep 9 from San Diego to San Antonio, returning Wed, Sep 10, priced at $143 found 21 hours ago
Spirit Airlines
Sat, Sep 6 - Mon, Sep 15
SAN
San Diego
SAT
San Antonio
$151 Roundtrip, found 4 hours ago
$151
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Sat, Sep 6 from San Diego to San Antonio, returning Mon, Sep 15, priced at $151 found 4 hours ago
Spirit Airlines
Fri, Aug 29 - Sat, Sep 6
SAN
San Diego
SAT
San Antonio
$153 Roundtrip, just found
$153
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Aug 29 from San Diego to San Antonio, returning Sat, Sep 6, priced at $153 just found
Spirit Airlines
Wed, Sep 10 - Wed, Sep 17
SAN
San Diego
SAT
San Antonio
$155 Roundtrip, found 8 hours ago
$155
Roundtrip
found 8 hours ago
Select Spirit Airlines flight, departing Wed, Sep 10 from San Diego to San Antonio, returning Wed, Sep 17, priced at $155 found 8 hours ago
Spirit Airlines
Sat, Sep 6 - Wed, Sep 10
SAN
San Diego
SAT
San Antonio
$156 Roundtrip, found 15 hours ago
$156
Roundtrip
found 15 hours ago
Select Spirit Airlines flight, departing Sat, Sep 6 from San Diego to San Antonio, returning Wed, Sep 10, priced at $156 found 15 hours ago
Spirit Airlines
Wed, Sep 10 - Fri, Sep 19
SAN
San Diego
SAT
San Antonio
$158 Roundtrip, found 4 hours ago
$158
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Wed, Sep 10 from San Diego to San Antonio, returning Fri, Sep 19, priced at $158 found 4 hours ago
Frontier Airlines
Sat, Aug 30 - Sat, Sep 6
SAN
San Diego
SAT
San Antonio
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Aug 30 from San Diego to San Antonio, returning Sat, Sep 6, priced at $168 just found
Southwest Airlines
Wed, Oct 8 - Wed, Oct 15
SAN
San Diego
SAT
San Antonio
$260 Roundtrip, found 8 hours ago
$260
Roundtrip
found 8 hours ago
Select Southwest Airlines flight, departing Wed, Oct 8 from San Diego to San Antonio, returning Wed, Oct 15, priced at $260 found 8 hours ago
United
Tue, Aug 26 - Wed, Aug 27
SAN
San Diego
SAT
San Antonio
$282 Roundtrip, found 1 hour ago
$282
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Aug 26 from San Diego to San Antonio, returning Wed, Aug 27, priced at $282 found 1 hour ago
Delta
Sat, Aug 30 - Sat, Sep 6
SAN
San Diego
SAT
San Antonio
$287 Roundtrip, just found
$287
Roundtrip
just found
Select Delta flight, departing Sat, Aug 30 from San Diego to San Antonio, returning Sat, Sep 6, priced at $287 just found

Find the cheapest month to fly from San Diego (SAN) to San Antonio (SAT)

September is typically the cheapest month to fly

From $83 - $210 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Antonio

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

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $259
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $259
Flights from San Diego (SAN) to San Antonio (SAT)
Origin airport
San Diego Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$143
Distance
1127 mi
Average flight time
5 hours 15 mins

San Diego to San Antonio Flights

The cheapest times to fly from San Diego to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to San Antonio are during the month of September. You can find some of the cheapest flights from San Diego to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to San Antonio

Sunday is one of the best days to book for cheap flights from San Diego to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $62 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT) cost?
Cheap round-trip fares from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT) start from $297. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving SAN on August 19 2025 and touching down at SAT. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SAN to SAT?
The cheapest flights from SAN to SAT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT)?
Take a nonstop flight with Southwest Airlines and travel straight from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT).
What is the cheapest airline that flies from SAN to SAT?
At the moment, the cheapest carrier offering one-way flights from SAN to SAT is Southwest Airlines. You can book a seat on this route from $149. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAN on October 15 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT)?
On average, there is just 1 direct flight departing from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT) each day. If this doesn't work for you, check out flights with a layover. Simply filter your search on Expedia to include one or more stops to find a better alternative.
What are the most popular departure times for flights from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT)?
The 4 PM departures from SAN to SAT are the most sought after. These flights can come with a higher price due to their popularity. If you want to save money, pick a less crowded time to fly.
What day of the week has the most flights from SAN to SAT?
If you fly on a Sunday, you'll get the widest range of options for flights from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT).
What is the earliest flight from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT)?
Catch the earliest flight at around 12:10PM UTC-8, leaving from San Diego Intl. Airport (SAN). You'll be flying for about 2h 35m, coming in to land at San Antonio Intl. Airport (SAT) at approximately 4:45PM UTC-6.
How long does it take to fly from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT)?
The average flight time from SAN to SAT is 2 hours and 35 minutes, covering a distance of 1,150 mi.
What airline has the least delays from SAN to SAT?
Consider booking with Frontier Airlines if you'd like to fly straight from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT) without any holdups. This airline has the strongest track record for punctuality, with an on-time performance of 100%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT)?
Book a flight from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT) that leaves before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Antonio from San Diego Intl. Airport (SAN)?
If you've booked a direct flight from San Diego Intl. Airport (SAN) to San Antonio, San Antonio Intl. Airport (SAT) is the only airport you can land at.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT) last-minute?
Holding off until right before your break to book your flight from SAN to SAT often results in higher prices. Although you may find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a SAN to SAT flight and hotel package?
Opting for a SAN to SAT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to San Antonio Intl. Airport (SAT)?
If you reserved your SAN to SAT flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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