$89+ Cheap flights from San Diego to San Antonio (SAN - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAT
Oct 24 — Oct 311
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 May, booked 84 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from San Diego to San Antonio
Cheapest
Best
Last-minute
One-way
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 September 24, 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 September 24, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:53 pm -
1 stop24h 33m
Tue 10/278:20 pm -
1 stop21h 38m
Deal found 9/22![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 9/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 am -
1 stop11h 00m
Mon 11/28:20 pm -
1 stop5h 37m
Deal found 9/22![Frontier logo]()
$178
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:25 am -
1 stop11h 01m
Sat 10/248:21 pm -
1 stop5h 35m
Deal found 9/23![Frontier logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:25 am -
1 stop11h 01m
Wed 10/288:20 pm -
1 stop21h 48m
Deal found 9/21![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 9/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:25 am -
1 stop11h 01m
Tue 10/278:20 pm -
1 stop5h 37m
Deal found 9/21![Frontier logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:53 pm -
1 stop24h 32m
Mon 11/28:20 pm -
1 stop21h 38m
Deal found 9/23![Frontier logo]()
$200
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:34 pm -
1 stop15h 18m
Mon 10/198:21 pm -
1 stop5h 35m
Deal found 9/23![Frontier logo]()
$202
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:32 pm -
1 stop15h 17m
Sat 10/318:20 pm -
1 stop5h 37m
Deal found 9/22![Frontier logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:25 am -
1 stop11h 00m
Wed 11/188:20 pm -
1 stop5h 37m
Deal found 9/18![Frontier logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:53 pm -
1 stop24h 33m
Sat 10/178:21 pm -
1 stop5h 35m
Deal found 9/22![Frontier logo]()
$211
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:32 pm -
1 stop22h 44m
Fri 11/2710:11 pm -
1 stop11h 13m
Deal found 9/22![Frontier logo]()
$212
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:25 am -
1 stop11h 00m
Tue 11/38:20 pm -
1 stop21h 38m
Deal found 9/20![Frontier logo]()
$213
Best flights from San Diego to San AntonioDiscover carefully curated flight deals from San Diego to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from San Diego to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:50 pm -
Nonstop2h 50m
Mon 11/27:00 pm -
Nonstop3h 00m
Deal found 9/21![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 9/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1111:40 am -
1 stop7h 52m
Mon 1/184:25 pm -
1 stop8h 38m
Deal found 9/22![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 9/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:15 pm -
Nonstop2h 40m
Mon 11/165:55 pm -
Nonstop3h 00m
Deal found 9/18![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:50 pm -
Nonstop2h 50m
Wed 10/286:50 am -
1 stop5h 15m
Deal found 9/20![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:50 pm -
Nonstop2h 50m
Sat 10/316:55 am -
Nonstop3h 00m
Deal found 9/22![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 9/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:50 pm -
Nonstop2h 50m
Mon 10/129:20 pm -
1 stop4h 55m
Deal found 9/18![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 9/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:50 pm -
Nonstop2h 50m
Mon 10/266:20 am -
Nonstop3h 00m
Deal found 9/19![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 9/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 pm -
Nonstop2h 45m
Sun 12/66:05 am -
Nonstop3h 00m
Deal found 9/18![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:50 pm -
Nonstop2h 40m
Sat 1/27:15 pm -
1 stop5h 55m
Deal found 9/22![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:50 pm -
Nonstop2h 40m
Sun 12/277:30 am -
Nonstop3h 00m
Deal found 9/22![Southwest logo]()
$428
Last-minute flights from San Diego to San AntonioDiscover last-minute flight deals from San Diego to San Antonio. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to San Antonio. Data last updated September 24, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:53 pm -
1 stop24h 33m
Sat 10/178:21 pm -
1 stop5h 35m
Deal found 9/22![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 9/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:25 am -
1 stop11h 01m
Sat 10/248:21 pm -
1 stop5h 35m
Deal found 9/23![Frontier logo]()
$189
This Frontier deal was found by Cheapflights users on 9/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:25 am -
1 stop11h 01m
Tue 10/208:21 pm -
1 stop5h 35m
Deal found 9/23![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 9/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:25 am -
1 stop11h 01m
Fri 10/238:21 pm -
1 stop5h 35m
Deal found 9/23![Frontier logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:34 pm -
1 stop15h 18m
Mon 10/198:21 pm -
1 stop5h 35m
Deal found 9/23![Frontier logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:53 pm -
1 stop24h 33m
Tue 10/278:20 pm -
1 stop21h 38m
Deal found 9/22![Frontier logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:25 am -
1 stop11h 01m
Wed 10/288:20 pm -
1 stop5h 37m
Deal found 9/23![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 9/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:25 am -
1 stop11h 01m
Mon 10/268:21 pm -
1 stop5h 35m
Deal found 9/22![Frontier logo]()
$214
This Frontier deal was found by Cheapflights users on 9/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:25 am -
1 stop11h 01m
Tue 10/278:20 pm -
1 stop5h 37m
Deal found 9/21![Frontier logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:25 am -
1 stop11h 00m
Tue 11/38:20 pm -
1 stop21h 38m
Deal found 9/20![Frontier logo]()
$213
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:53 pm -
1 stop24h 32m
Mon 11/28:20 pm -
1 stop21h 38m
Deal found 9/23![Frontier logo]()
$200
One-way flights from San Diego to San AntonioSearch for one-way flight options from San Diego to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from San Diego to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Priceline deal was found by Cheapflights users on 9/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:14 am -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 9/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:53 pm -
1 stop24h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$94
This CheapOair deal was found by Cheapflights users on 9/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:53 pm -
1 stop24h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:25 am -
1 stop11h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:34 pm -
1 stop23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 9/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:25 am -
1 stop11h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$105
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:57 am -
1 stop4h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![American Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 10/106:25 am -
1 stop11h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:32 pm -
1 stop22h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$113
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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Cheapflightsfares) |
One-way from | $89 (Priceline) |
Popular in | August |
Cheapest in | October |
Average price | $440 |
Good round-trip deal | $398 or less |
Good one-way deal | $158 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 7,457,451 searches. Data last updated September 24, 2026.
Use the filters below to find and compare flights from San Diego to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Thu 11/19
6:00 pm-10:45 pm
Nonstop2h 45m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$129
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Wed 11/18
6:00 pm-10:45 pm
Nonstop2h 45m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$129
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Wed 10/28
5:40 pm-10:25 pm
Nonstop2h 45m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$129
Quickest round-trip
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Mon 12/14
6:00 pm-10:40 pm
Nonstop2h 40m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$129
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Thu 10/29
7:50 pm-12:40 am
Nonstop2h 50m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$129
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Tue 10/27
9:05 am-1:45 pm
Nonstop2h 40m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$129
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Thu 12/17
6:15 am-2:55 pm
1 stop6h 40m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$139
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Thu 10/29
6:20 am-4:55 pm
2 stops8h 35m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$144
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Tue 10/20
2:24 pm-11:58 pm
2 stops7h 34m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$144
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Tue 11/17
6:20 am-4:55 pm
2 stops8h 35m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$199
Showing 1-10 of 22 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 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 FlightHub the most. FlightHub 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.
SAN-SAT
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
How far ahead should I book a flight from San Diego to San Antonio?
To ensure you get the cheapest price possible for a flight from San Diego to San Antonio, you should look to book at least 81 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, October is the cheapest month in which you can book a flight from San Diego to San Antonio (average of $371). Flying from San Diego to San Antonio in August is currently the most expensive (average of $508). 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 September 24, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 41% on flights from San Diego to San Antonio by exploring options for tickets in the evening.
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 September 24, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Diego
Popular flights
San Antonio flight routes
Alternative routes for San Diego to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to San Antonio by cabin class
Find flights from San Diego to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and San Antonio flights
Browse other San Diego and San Antonio flight options. Last updated on September 24, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$366 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$217 | Average$357 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$420 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$472 | FlexibilityNo cancel fee | On-time63% |