$94+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAT
Sep 5 — Sep 121
Round-trip
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 50 days in advance, depart on a Wednesday or Tuesday 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 August 6, 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 August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/138:32 pm -
1 stop12h 49m
Tue 10/2012:16 pm -
1 stop13h 43m
Deal found 8/3![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/114:54 pm -
1 stop24h 31m
Sat 9/198:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/156:25 am -
1 stop11h 00m
Sat 9/198:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/26:25 am -
1 stop11h 06m
Wed 9/98:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/168:32 pm -
1 stop12h 49m
Sun 10/1810:41 pm -
1 stop24h 07m
Deal found 8/1![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/253:45 pm -
1 stop25h 46m
Tue 9/18:26 pm -
1 stop29h 25m
Deal found 8/3![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/98:32 pm -
1 stop12h 49m
Fri 10/1612:43 pm -
1 stop10h 05m
Deal found 8/3![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/46:25 am -
1 stop11h 06m
Sat 9/128:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/46:25 am -
1 stop11h 06m
Wed 9/98:20 pm -
1 stop21h 39m
Deal found 8/3![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/253:45 pm -
1 stop25h 46m
Wed 9/28:26 pm -
1 stop14h 39m
Deal found 8/3![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/114:54 pm -
1 stop24h 31m
Sun 9/208:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 10/298:48 pm -
1 stop22h 08m
Mon 11/211:08 am -
1 stop6h 33m
Deal found 8/2![Frontier logo]()
$223
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 August 6, 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 August 6, 2026.
This Southwest deal was found by Cheapflights users on 8/2. 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 8/247:10 pm -
Nonstop2h 45m
Wed 8/266:05 pm -
Nonstop2h 50m
Deal found 8/2![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:15 am -
2 stops7h 38m
Mon 10/511:47 am -
2 stops10h 21m
Deal found 8/2![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 8/1. 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 9/47:10 pm -
Nonstop2h 45m
Mon 9/76:50 am -
Nonstop2h 50m
Deal found 8/1![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 9/56:05 pm -
Nonstop2h 50m
Sun 9/68:50 am -
Nonstop2h 50m
Deal found 8/6![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 8/6. 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 9/217:10 pm -
Nonstop2h 45m
Thu 9/246:10 pm -
1 stop5h 55m
Deal found 8/6![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:00 am -
2 stops13h 51m
Mon 10/195:58 pm -
1 stop5h 26m
Deal found 8/2![United Airlines logo]()
$490
This Southwest deal was found by Cheapflights users on 8/4. 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 9/47:10 pm -
Nonstop2h 45m
Fri 9/115:50 pm -
1 stop4h 05m
Deal found 8/4![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:20 am -
2 stops7h 18m
Wed 11/44:19 pm -
2 stops8h 11m
Deal found 8/3![United Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:00 am -
2 stops9h 51m
Mon 10/2611:45 am -
2 stops10h 39m
Deal found 8/6![United Airlines logo]()
$534
Last-minute flights from San Diego to San AntonioDiscover last-minute flight deals from San Diego to San Antonio. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to San Antonio. Data last updated August 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/253:45 pm -
1 stop25h 46m
Tue 9/18:26 pm -
1 stop29h 25m
Deal found 8/3![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/253:45 pm -
1 stop25h 46m
Wed 9/28:26 pm -
1 stop14h 39m
Deal found 8/3![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/26:25 am -
1 stop11h 06m
Wed 9/98:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/46:25 am -
1 stop11h 06m
Sat 9/128:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/46:25 am -
1 stop11h 06m
Wed 9/98:20 pm -
1 stop21h 39m
Deal found 8/3![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/114:54 pm -
1 stop24h 31m
Sat 9/198:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/114:54 pm -
1 stop24h 31m
Sun 9/208:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/114:54 pm -
1 stop24h 31m
Fri 9/189:50 pm -
1 stop21h 09m
Deal found 8/3![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/125:54 pm -
1 stop15h 50m
Sat 9/198:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/156:25 am -
1 stop11h 00m
Sat 9/198:20 pm -
1 stop29h 31m
Deal found 8/3![Frontier logo]()
$198
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 August 6, 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 August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 11/38:32 pm -
1 stop11h 40m
Deal found 8/4![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/278:59 pm -
1 stop22h 30m
Deal found 8/2![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/283:45 pm -
1 stop25h 46m
Deal found 8/2![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Mon 8/318:59 pm -
1 stop22h 30m
Deal found 8/2![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/13:45 pm -
1 stop25h 46m
Deal found 8/2![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Mon 11/26:25 am -
1 stop25h 47m
Deal found 8/2![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/159:43 pm -
1 stop12h 05m
Deal found 8/3![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/64:54 pm -
1 stop24h 31m
Deal found 8/4![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/26:25 am -
1 stop11h 06m
Deal found 8/4![Frontier logo]()
$107
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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $194 (Kiwi.com) |
One-way from | $94 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $377 |
Good round-trip deal | $371 or less |
Good one-way deal | $198 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 August 6, 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
Quickest round-trip
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Mon 8/24
7:10 pm-11:55 pm
Nonstop2h 45m
San Antonio
Wed 8/26
6:05 pm-6:55 pm
Nonstop2h 50m
$267
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Fri 9/4
7:10 pm-11:55 pm
Nonstop2h 45m
San Antonio
Mon 9/7
6:50 am-7:40 am
Nonstop2h 50m
$277
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Sat 9/5
6:05 pm-10:55 pm
Nonstop2h 50m
San Antonio
Sun 9/6
8:50 am-9:40 am
Nonstop2h 50m
$317
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Mon 9/21
7:10 pm-11:55 pm
Nonstop2h 45m
San Antonio
Thu 9/24
6:10 pm-10:05 pm
1 stop5h 55m
$359
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Fri 9/4
7:10 pm-11:55 pm
Nonstop2h 45m
San Antonio
Fri 9/11
5:50 pm-7:55 pm
1 stop4h 05m
$381
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Thu 10/1
6:15 am-3:53 pm
2 stops7h 38m
San Antonio
Mon 10/5
11:47 am-8:08 pm
2 stops10h 21m
$429
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Fri 10/16
7:00 am-10:51 pm
2 stops13h 51m
San Antonio
Mon 10/19
5:58 pm-9:24 pm
1 stop5h 26m
$490
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Sun 11/1
6:20 am-3:38 pm
2 stops7h 18m
San Antonio
Wed 11/4
4:19 pm-10:30 pm
2 stops8h 11m
$498
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Fri 10/23
11:00 am-10:51 pm
2 stops9h 51m
San Antonio
Mon 10/26
11:45 am-8:24 pm
2 stops10h 39m
$534
Cheapest one-way
Quickest one-way
San DiegoSan Antonio
SAN San Diego - SAT San Antonio
SANSAT
San Diego
Fri 10/2
7:50 pm-12:35 am
Nonstop2h 45m
$139
Showing 1-10 of 21 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 August.
| 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 49 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 $300). Flying from San Diego to San Antonio in June is currently the most expensive (average of $469). 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 August 6, 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 August 6, 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.
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
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San Diego and San Antonio flights
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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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$228 | 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$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$307 | Average$460 | FlexibilityNo cancel fee | On-time63% |