$78+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAT
Apr 22 — Apr 291
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 46 days in advance, depart on a Wednesday or Thursday and return on a Thursday
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 March 23, 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 March 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 5/312:25 pm
SAN
- SAT
1 stop23h 50m
Frontier
Sat 5/97:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 3/20![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Mon 5/48:38 am
SAN
- SAT
2 stops32h 21m
Frontier
Mon 5/117:54 pm
SAT
- SAN
1 stop14h 48m
Frontier
Deal found 3/20![Frontier logo]()
$220
This Expedia deal was found by Cheapflights users on 3/22. 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.
Thu 5/286:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Sun 5/318:59 pm
SAT
- SAN
1 stop26h 13m
Frontier
Deal found 3/22![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:25 pm
SAN
- SAT
1 stop24h 44m
Frontier
Mon 4/203:00 pm
SAT
- SAN
1 stop10h 59m
Frontier
Deal found 3/18![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 3/23. 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 4/228:00 am
SAN
- SAT
1 stop5h 53m
Frontier
Sat 4/254:04 pm
SAT
- SAN
1 stop9h 02m
Frontier
Deal found 3/23![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:28 pm
SAN
- SAT
1 stop24h 51m
Frontier
Mon 4/1311:38 am
SAT
- SAN
1 stop27h 39m
Frontier
Deal found 3/23![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
SAN
- SAT
2 stops18h 59m
Frontier
Wed 4/224:49 pm
SAT
- SAN
1 stop8h 17m
Frontier
Deal found 3/18![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:25 pm
SAN
- SAT
1 stop24h 44m
Frontier
Fri 4/243:00 pm
SAT
- SAN
2 stops25h 24m
Frontier
Deal found 3/18![Frontier logo]()
$228
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Mon 6/18:59 pm
SAT
- SAN
1 stop26h 13m
Frontier
Deal found 3/20![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
SAN
- SAT
1 stop23h 50m
Frontier
Mon 4/203:00 pm
SAT
- SAN
1 stop10h 59m
Frontier
Deal found 3/18![Frontier logo]()
$234
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:25 am
SAN
- SAT
1 stop15h 54m
Frontier
Tue 4/77:45 am
SAT
- SAN
1 stop9h 51m
Frontier
Deal found 3/18![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/109:28 pm
SAN
- SAT
1 stop24h 51m
Frontier
Sun 4/126:45 am
SAT
- SAN
1 stop19h 17m
Frontier
Deal found 3/20![Frontier logo]()
$236
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 March 23, 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 March 23, 2026.
This Delta deal was found by Cheapflights users on 3/22. 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.
Fri 9/45:00 pm
SAN
- SAT
1 stop5h 44m
Delta
Mon 9/72:10 pm
SAT
- SAN
1 stop9h 09m
Delta
Deal found 3/22![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:04 pm
SAN
- SAT
1 stop5h 55m
United Airlines
Tue 4/212:14 pm
SAT
- SAN
2 stops7h 58m
United Airlines
Deal found 3/18![United Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 3/18. 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.
Sat 4/186:45 pm
SAN
- SAT
Nonstop2h 35m
Southwest
Thu 4/236:05 am
SAT
- SAN
Nonstop3h 00m
Southwest
Deal found 3/18![Southwest logo]()
$350
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:30 pm
SAN
- SAT
1 stop8h 43m
Delta
Sun 5/315:55 pm
SAT
- SAN
1 stop7h 48m
Delta
Deal found 3/18![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:00 pm
SAN
- SAT
1 stop5h 44m
Delta
Sat 6/206:30 am
SAT
- SAN
1 stop5h 57m
Delta
Deal found 3/18![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 3/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:00 am
SAN
- SAT
2 stops8h 03m
United Airlines
Wed 4/156:02 pm
SAT
- SAN
1 stop5h 24m
United Airlines
Deal found 3/19![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 3/19. 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.
Tue 4/286:45 pm
SAN
- SAT
Nonstop2h 35m
Southwest
Thu 4/306:05 am
SAT
- SAN
Nonstop3h 00m
Southwest
Deal found 3/19![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 3/21. 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.
Tue 4/146:45 pm
SAN
- SAT
Nonstop2h 35m
Southwest
Fri 4/177:15 pm
SAT
- SAN
Nonstop3h 00m
Southwest
Deal found 3/21![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 3/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:01 am
SAN
- SAT
2 stops9h 58m
United Airlines
Sat 4/259:40 am
SAT
- SAN
2 stops12h 32m
United Airlines
Deal found 3/19![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 3/18. 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.
Sun 4/197:55 pm
SAN
- SAT
Nonstop2h 40m
Southwest
Tue 4/216:35 pm
SAT
- SAN
Nonstop3h 00m
Southwest
Deal found 3/18![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:32 am
SAN
- SAT
2 stops9h 11m
United Airlines
Tue 4/71:25 pm
SAT
- SAN
2 stops8h 47m
United Airlines
Deal found 3/21![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 3/20. 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.
Thu 4/167:35 pm
SAN
- SAT
Nonstop2h 40m
Southwest
Thu 4/236:05 am
SAT
- SAN
Nonstop3h 00m
Southwest
Deal found 3/20![Southwest logo]()
$385
Last-minute flights from San Diego to San AntonioDiscover last-minute flight deals from San Diego to San Antonio. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to San Antonio. Data last updated March 23, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:25 am
SAN
- SAT
1 stop15h 54m
Frontier
Tue 4/77:45 am
SAT
- SAN
1 stop9h 51m
Frontier
Deal found 3/18![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:28 pm
SAN
- SAT
1 stop24h 51m
Frontier
Mon 4/1311:38 am
SAT
- SAN
1 stop27h 39m
Frontier
Deal found 3/23![Frontier logo]()
$226
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/109:28 pm
SAN
- SAT
1 stop24h 51m
Frontier
Sun 4/126:45 am
SAT
- SAN
1 stop19h 17m
Frontier
Deal found 3/20![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 3/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:15 am
SAN
- SAT
1 stop5h 54m
Frontier
Wed 4/154:49 pm
SAT
- SAN
1 stop8h 17m
Frontier
Deal found 3/18![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
SAN
- SAT
2 stops18h 59m
Frontier
Wed 4/224:49 pm
SAT
- SAN
1 stop8h 17m
Frontier
Deal found 3/18![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
SAN
- SAT
1 stop23h 50m
Frontier
Mon 4/203:00 pm
SAT
- SAN
1 stop10h 59m
Frontier
Deal found 3/18![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
SAN
- SAT
1 stop23h 50m
Frontier
Fri 4/243:00 pm
SAT
- SAN
2 stops25h 24m
Frontier
Deal found 3/18![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:25 pm
SAN
- SAT
1 stop24h 44m
Frontier
Mon 4/203:00 pm
SAT
- SAN
1 stop10h 59m
Frontier
Deal found 3/18![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:25 pm
SAN
- SAT
1 stop24h 44m
Frontier
Fri 4/243:00 pm
SAT
- SAN
2 stops25h 24m
Frontier
Deal found 3/18![Frontier logo]()
$228
This CheapOair deal was found by Cheapflights users on 3/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 am
SAN
- SAT
1 stop5h 53m
Frontier
Sat 4/254:04 pm
SAT
- SAN
1 stop9h 02m
Frontier
Deal found 3/19![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Mon 4/278:38 am
SAN
- SAT
2 stops28h 31m
Frontier
Wed 4/294:49 pm
SAT
- SAN
1 stop8h 17m
Frontier
Deal found 3/20![Frontier logo]()
$237
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 March 23, 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 March 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Tue 4/2812:12 pm
SAN
- SAT
1 stop25h 41m
Frontier
Deal found 3/19![Frontier logo]()
$78
This Priceline deal was found by Cheapflights users on 3/23. 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.
Wed 4/228:00 am
SAN
- SAT
1 stop5h 53m
Frontier
Deal found 3/23![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:37 am
SAN
- SAT
1 stop7h 22m
Frontier
Deal found 3/18![Frontier logo]()
$82
This Priceline deal was found by Cheapflights users on 3/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Deal found 3/20![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
SAN
- SAT
1 stop23h 50m
Frontier
Deal found 3/18![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Fri 4/1712:25 pm
SAN
- SAT
1 stop24h 44m
Frontier
Deal found 3/20![Frontier logo]()
$93
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:25 am
SAN
- SAT
1 stop5h 50m
Frontier
Deal found 3/20![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:29 pm
SAN
- SAT
2 stops25h 24m
Frontier
Deal found 3/22![Frontier logo]()
$102
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:25 am
SAN
- SAT
1 stop10h 34m
Frontier
Deal found 3/20![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Thu 4/237:23 pm
SAN
- SAT
2 stops41h 46m
Frontier
Deal found 3/21![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Sat 4/1811:42 am
SAN
- SAT
1 stop24h 31m
Frontier
Deal found 3/20![Frontier logo]()
$115
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 March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (Kiwi.com) |
One-way from | $78 (Kiwi.com) |
Popular in | January |
Cheapest in | October |
Average price | $427 |
Good round-trip deal | $387 or less |
Good one-way deal | $147 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 March 23, 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 - SAT
SANSAT
San Diego
Fri 9/4
5:00 pm-12:44 am
1 stop5h 44m
San Antonio
Mon 9/7
2:10 pm-9:19 pm
1 stop9h 09m
$277
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Thu 4/16
3:04 pm-10:59 pm
1 stop5h 55m
San Antonio
Tue 4/21
2:14 pm-8:12 pm
2 stops7h 58m
$282
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 5/26
1:30 pm-12:13 am
1 stop8h 43m
San Antonio
Sun 5/31
5:55 pm-11:43 pm
1 stop7h 48m
$298
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 6/16
5:00 pm-12:44 am
1 stop5h 44m
San Antonio
Sat 6/20
6:30 am-10:27 am
1 stop5h 57m
$338
Quickest round-trip
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Sat 4/18
6:45 pm-11:20 pm
Nonstop2h 35m
San Antonio
Thu 4/23
6:05 am-7:05 am
Nonstop3h 00m
$350
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 4/14
11:00 am-9:03 pm
2 stops8h 03m
San Antonio
Wed 4/15
6:02 pm-9:26 pm
1 stop5h 24m
$372
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 4/28
6:45 pm-11:20 pm
Nonstop2h 35m
San Antonio
Thu 4/30
6:05 am-7:05 am
Nonstop3h 00m
$374
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Tue 4/14
6:45 pm-11:20 pm
Nonstop2h 35m
San Antonio
Fri 4/17
7:15 pm-8:15 pm
Nonstop3h 00m
$375
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Sun 4/19
7:55 pm-12:35 am
Nonstop2h 40m
San Antonio
Tue 4/21
6:35 pm-7:35 pm
Nonstop3h 00m
$375
San DiegoSan Antonio
SAN - SAT
SANSAT
San Diego
Wed 4/22
11:01 am-10:59 pm
2 stops9h 58m
San Antonio
Sat 4/25
9:40 am-8:12 pm
2 stops12h 32m
$377
Showing 1-10 of 23 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 March.
| 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 |
- 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?
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 March 13, 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 $77). Flying from San Diego to San Antonio in March is currently the most expensive (average of $162). 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 March 23, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 43% 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 March 23, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican 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
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
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
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San Diego and San Antonio flights
Browse other San Diego and San Antonio flight options. Last updated on March 23, 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 March 23, 2026.
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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 March 23, 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 2,558,603 searches. Data last updated March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$116 | Average$180 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$125 | Average$191 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$349 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$425 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$441 | FlexibilityNo cancel fee | On-time63% |