$62+ Cheap flights from San Diego to San Antonio (SAN - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAT
Feb 20 — Feb 271
1 adult, Economy
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Find cheap flights from San Diego to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Diego to San Antonio are usually found in October or August, booked 46 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from San Diego to San Antonio
Cheapest flights from San Diego to San AntonioExplore the most affordable flight options available from San Diego to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.
Explore the most affordable flight options available from San Diego to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:25 am
SAN
- SAT
1 stop15h 52m
Frontier
Wed 3/186:45 am
SAT
- SAN
1 stop19h 24m
Frontier
Deal found 1/21![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:11 am
SAN
- SAT
1 stop8h 04m
Frontier
Sun 3/111:35 am
SAT
- SAN
1 stop27h 30m
Frontier
Deal found 1/21![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:35 am
SAN
- SAT
1 stop9h 02m
Frontier
Fri 2/2710:53 am
SAT
- SAN
1 stop10h 30m
Frontier
Deal found 1/21![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:25 am
SAN
- SAT
1 stop10h 36m
Frontier
Wed 2/256:12 pm
SAT
- SAN
2 stops23h 05m
Frontier
Deal found 1/19![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:10 pm
SAN
- SAT
1 stop10h 25m
Frontier
Mon 3/29:33 am
SAT
- SAN
1 stop12h 02m
Frontier
Deal found 1/21![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/221:42 pm
SAN
- SAT
1 stop16h 53m
Frontier
Thu 2/268:20 pm
SAT
- SAN
1 stop29h 48m
Frontier
Deal found 1/20![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/221:42 pm
SAN
- SAT
1 stop16h 53m
Frontier
Wed 2/256:12 pm
SAT
- SAN
2 stops23h 05m
Frontier
Deal found 1/21![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:38 pm
SAN
- SAT
1 stop18h 02m
Frontier
Mon 3/2310:05 am
SAT
- SAN
1 stop16h 04m
Frontier
Deal found 1/20![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:11 am
SAN
- SAT
1 stop8h 04m
Frontier
Fri 2/205:04 pm
SAT
- SAN
2 stops33h 04m
Frontier
Deal found 1/21![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:25 am
SAN
- SAT
1 stop22h 41m
Frontier
Tue 3/176:45 am
SAT
- SAN
1 stop19h 24m
Frontier
Deal found 1/20![Frontier logo]()
$183
Find flight deals from San Diego to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $136 (Kiwi.com) |
One-way from | $62 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $427 |
Good round-trip deal | $455 or less |
Good one-way deal | $233 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from San Diego to San Antonio that are best for you.
Fly from
San Diego
Fly to
San Antonio
Route
Depart
Return
Price
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 3/17
6:25 am-12:17 am
1 stop15h 52m
San Antonio
Wed 3/18
6:45 am-12:09 am
1 stop19h 24m
$128
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Fri 2/20
8:35 am-7:37 pm
1 stop9h 02m
San Antonio
Fri 2/27
10:53 am-7:23 pm
1 stop10h 30m
$151
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Wed 3/18
6:25 am-12:17 am
1 stop15h 52m
San Antonio
Fri 3/20
10:05 am-12:09 am
1 stop16h 04m
$183
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Thu 4/2
8:47 am-12:19 am
1 stop13h 32m
San Antonio
Sun 4/5
6:45 am-12:02 am
1 stop19h 17m
$202
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Thu 4/9
8:47 am-12:19 am
1 stop13h 32m
San Antonio
Sun 4/12
6:45 am-8:26 pm
1 stop15h 41m
$215
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Mon 2/23
8:20 pm-4:41 pm
2 stops18h 21m
San Antonio
Fri 2/27
10:53 am-7:23 pm
1 stop10h 30m
$218
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Wed 3/18
7:35 am-3:45 pm
1 stop6h 10m
San Antonio
Wed 3/18
6:00 pm-9:10 pm
1 stop5h 10m
$287
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Mon 2/9
2:52 pm-4:17 pm
2 stops23h 25m
San Antonio
Thu 2/12
8:25 pm-7:40 am
1 stop13h 15m
$292
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Fri 1/30
10:21 am-9:30 am
2 stops45h 09m
San Antonio
Sun 2/1
10:04 pm-5:03 pm
1 stop20h 59m
$301
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Sat 2/21
5:50 pm-10:25 pm
Nonstop2h 35m
San Antonio
Wed 2/25
1:45 pm-6:30 pm
1 stop6h 45m
$313
Showing 1-10 of 21 results
Compare providers for flights from San Diego to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to San Antonio in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-San Antonio flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Diego to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Diego to San Antonio
Prices
More
How far ahead should I book a flight from San Diego to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to San Antonio. Price data was last updated on January 16, 2026.
To ensure you get the cheapest price possible for a flight from San Diego to San Antonio, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Diego to San Antonio?
Currently, January is the cheapest month in which you can book a flight from San Diego to San Antonio (average of $80). Flying from San Diego to San Antonio in March is currently the most expensive (average of $147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAN to SAT?
Find hourly flight availability from San Diego to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 44% on flights from San Diego to San Antonio by exploring options for tickets in the evening.
What’s the top layover airport for flights from San Diego to San Antonio?
Share of 1-stop round-trip flights from San Diego to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.
Las Vegas (LAS) – chosen by Cheapflights users on 80% of 1-stop itineraries from San Diego to San Antonio on Cheapflights.
What’s the cheapest layover airport for flights from San Diego to San Antonio?
Average round-trip fare for 1-stop flights from San Diego to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $147.
What’s the fastest layover option from San Diego to San Antonio?
Shortest average travel time for 1-stop one-way flights from San Diego to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 4h 44m.
Which airport typically offers the quickest layover for flights from San Diego to San Antonio?
Average layover duration for 1-stop one-way flights from San Diego to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 0h 50m.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated January 21, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from San Diego to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from San Diego to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Alternative routes for San Diego to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Diego to San Antonio
Discover the top 6 airlines that operate flights from San Diego to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$125 | Average$189 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$180 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$236 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$442 | FlexibilityNo cancel fee | On-time63% |