$122+ Cheap flights from Irvine, CA to San Antonio (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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAT
Apr 19 — Apr 261
Round-trip
1 adult, Economy
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Find cheap flights from Irvine 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 Irvine to San Antonio are usually found in September or August, booked 26 days in advance, depart on a Saturday or Friday and return on a Saturday
Cheap flight deals from Irvine to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to San AntonioExplore the most affordable flight options available from Irvine to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.
Explore the most affordable flight options available from Irvine to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.
This Booking.com deal was found by Cheapflights users on 3/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:15 am
LAX
- SAT
1 stop16h 04m
Frontier
Wed 4/154:49 pm
SAT
- LAX
1 stop8h 25m
Frontier
Deal found 3/17![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 3/17. 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 4/227:15 am
LAX
- SAT
1 stop6h 38m
Frontier
Tue 4/284:04 pm
SAT
- LAX
1 stop9h 10m
Frontier
Deal found 3/17![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 3/17. 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 4/18:58 pm
LAX
- SAT
1 stop25h 21m
Frontier
Sat 4/46:45 am
SAT
- LAX
1 stop6h 15m
Frontier
Deal found 3/17![Frontier logo]()
$251
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.
Wed 5/206:30 am
LAX
- SAT
1 stop10h 29m
Frontier
Sun 5/247:54 pm
SAT
- LAX
1 stop6h 22m
Frontier
Deal found 3/19![Frontier logo]()
$252
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:15 am
LAX
- SAT
1 stop16h 04m
Frontier
Tue 4/77:45 am
SAT
- LAX
1 stop18h 27m
Frontier
Deal found 3/18![Frontier logo]()
$253
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.
Mon 4/1310:53 pm
LAX
- SAT
2 stops14h 16m
Frontier
Wed 4/154:49 pm
SAT
- LAX
1 stop8h 25m
Frontier
Deal found 3/18![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 3/17. 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 3/316:15 am
LAX
- SAT
1 stop16h 02m
Frontier
Wed 4/17:45 am
SAT
- LAX
1 stop18h 27m
Frontier
Deal found 3/17![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/81:39 pm
LAX
- SAT
2 stops8h 40m
Frontier
Sat 4/116:45 am
SAT
- LAX
1 stop6h 15m
Frontier
Deal found 3/14![Frontier logo]()
$256
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.
Thu 4/2310:55 am
LAX
- SAT
2 stops22h 45m
Frontier
Wed 4/294:49 pm
SAT
- LAX
1 stop8h 25m
Frontier
Deal found 3/19![Frontier logo]()
$257
This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:58 pm
LAX
- SAT
1 stop25h 21m
Frontier
Sat 4/116:45 am
SAT
- LAX
1 stop6h 15m
Frontier
Deal found 3/15![Frontier logo]()
$258
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:58 pm
LAX
- SAT
1 stop16h 11m
Frontier
Sun 4/1912:46 pm
SAT
- LAX
1 stop21h 32m
Frontier
Deal found 3/15![Frontier logo]()
$259
This Priceline deal was found by Cheapflights users on 3/16. 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.
Fri 4/310:53 pm
LAX
- SAT
1 stop9h 50m
Frontier
Sat 4/116:45 am
SAT
- LAX
1 stop6h 15m
Frontier
Deal found 3/16![Frontier logo]()
$260
Best flights from Irvine to San AntonioDiscover carefully curated flight deals from Irvine to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 20, 2026.
Discover carefully curated flight deals from Irvine to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 20, 2026.
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.
Tue 5/59:35 am
LAX
- SAT
1 stop6h 25m
Southwest
Sat 5/95:05 pm
SAT
- LAX
Nonstop3h 20m
Southwest
Deal found 3/18![Southwest logo]()
$343
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:59 pm
LAX
- SAT
Nonstop2h 49m
Delta
Sat 5/306:08 am
SAT
- LAX
1 stop9h 26m
Delta
Deal found 3/19![Delta logo]()
$368
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.
Thu 4/238:05 am
LAX
- SAT
Nonstop2h 40m
Southwest
Wed 4/291:35 pm
SAT
- LAX
Nonstop3h 15m
Southwest
Deal found 3/19![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 3/15. 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 5/111:55 pm
LAX
- SAT
1 stop7h 51m
Delta
Tue 5/53:33 pm
SAT
- LAX
Nonstop3h 20m
Delta
Deal found 3/15![Delta logo]()
$373
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.
Fri 4/108:05 am
LAX
- SAT
Nonstop2h 40m
Southwest
Mon 4/132:45 pm
SAT
- LAX
Nonstop3h 20m
Southwest
Deal found 3/19![Southwest logo]()
$353
This Delta deal was found by Cheapflights users on 3/16. 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 5/156:59 pm
LAX
- SAT
Nonstop2h 49m
Delta
Mon 5/187:30 am
SAT
- LAX
Nonstop3h 18m
Delta
Deal found 3/16![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 3/17. 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 4/911:00 am
LAX
- SAT
1 stop6h 40m
Southwest
Sat 4/185:05 pm
SAT
- LAX
Nonstop3h 20m
Southwest
Deal found 3/17![Southwest logo]()
$353
This Delta deal was found by Cheapflights users on 3/17. 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.
Wed 6/36:59 pm
LAX
- SAT
Nonstop2h 49m
Delta
Mon 6/86:30 am
SAT
- LAX
Nonstop3h 16m
Delta
Deal found 3/17![Delta logo]()
$375
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.
Fri 5/88:05 am
LAX
- SAT
Nonstop2h 40m
Southwest
Mon 5/113:05 pm
SAT
- LAX
1 stop5h 30m
Southwest
Deal found 3/18![Southwest logo]()
$363
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.
Thu 4/168:05 am
LAX
- SAT
Nonstop2h 40m
Southwest
Thu 4/232:10 pm
SAT
- LAX
1 stop5h 25m
Southwest
Deal found 3/18![Southwest logo]()
$363
This Southwest deal was found by Cheapflights users on 3/16. 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 4/2511:05 am
LAX
- SAT
2 stops7h 55m
Southwest
Tue 4/287:15 am
SAT
- LAX
2 stops6h 55m
Southwest
Deal found 3/16![Southwest logo]()
$364
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.
Mon 4/275:10 am
LAX
- SAT
1 stop7h 30m
Southwest
Mon 4/276:45 pm
SAT
- LAX
2 stops6h 35m
Southwest
Deal found 3/19![Southwest logo]()
$378
Last-minute flights from Irvine to San AntonioDiscover last-minute flight deals from Irvine to San Antonio. Data last updated March 20, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to San Antonio. Data last updated March 20, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/17. 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 3/316:15 am
LAX
- SAT
1 stop16h 02m
Frontier
Wed 4/17:45 am
SAT
- LAX
1 stop18h 27m
Frontier
Deal found 3/17![Frontier logo]()
$255
This CheapOair deal was found by Cheapflights users on 3/17. 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 4/18:58 pm
LAX
- SAT
1 stop25h 21m
Frontier
Sat 4/46:45 am
SAT
- LAX
1 stop6h 15m
Frontier
Deal found 3/17![Frontier logo]()
$251
This Priceline deal was found by Cheapflights users on 3/16. 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.
Fri 4/310:53 pm
LAX
- SAT
1 stop9h 50m
Frontier
Sat 4/116:45 am
SAT
- LAX
1 stop6h 15m
Frontier
Deal found 3/16![Frontier logo]()
$260
This Booking.com deal was found by Cheapflights users on 3/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:15 am
LAX
- SAT
1 stop16h 04m
Frontier
Wed 4/154:49 pm
SAT
- LAX
1 stop8h 25m
Frontier
Deal found 3/17![Frontier logo]()
$248
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:15 am
LAX
- SAT
1 stop16h 04m
Frontier
Tue 4/77:45 am
SAT
- LAX
1 stop18h 27m
Frontier
Deal found 3/18![Frontier logo]()
$253
This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:58 pm
LAX
- SAT
1 stop25h 21m
Frontier
Sat 4/116:45 am
SAT
- LAX
1 stop6h 15m
Frontier
Deal found 3/15![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/98:31 am
LAX
- SAT
2 stops13h 48m
Frontier
Mon 4/136:45 am
SAT
- LAX
1 stop19h 27m
Frontier
Deal found 3/16![Frontier logo]()
$256
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.
Mon 4/1310:53 pm
LAX
- SAT
2 stops14h 16m
Frontier
Wed 4/154:49 pm
SAT
- LAX
1 stop8h 25m
Frontier
Deal found 3/18![Frontier logo]()
$254
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:58 pm
LAX
- SAT
1 stop16h 11m
Frontier
Sun 4/1912:46 pm
SAT
- LAX
1 stop21h 32m
Frontier
Deal found 3/15![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 3/17. 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 4/138:58 pm
LAX
- SAT
1 stop16h 11m
Frontier
Fri 4/173:00 pm
SAT
- LAX
1 stop11h 11m
Frontier
Deal found 3/17![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 3/17. 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 4/227:15 am
LAX
- SAT
1 stop6h 38m
Frontier
Tue 4/284:04 pm
SAT
- LAX
1 stop9h 10m
Frontier
Deal found 3/17![Frontier logo]()
$250
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.
Thu 4/2310:55 am
LAX
- SAT
2 stops22h 45m
Frontier
Wed 4/294:49 pm
SAT
- LAX
1 stop8h 25m
Frontier
Deal found 3/19![Frontier logo]()
$257
One-way flights from Irvine to San AntonioSearch for one-way flight options from Irvine to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
Search for one-way flight options from Irvine to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
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.
Tue 4/71:39 pm
LAX
- SAT
2 stops32h 40m
Frontier
Deal found 3/18![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:30 pm
LAX
- SAT
2 stops27h 49m
Frontier
Deal found 3/17![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 3/16. 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 4/169:04 pm
LAX
- SAT
1 stop10h 20m
Frontier
Deal found 3/16![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/143:49 pm
LAX
- SAT
2 stops22h 04m
Frontier
Deal found 3/15![Frontier logo]()
$126
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.
Tue 4/74:07 pm
LAX
- SAT
2 stops30h 12m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/11:39 pm
LAX
- SAT
2 stops32h 40m
Frontier
Deal found 3/17![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 3/15. 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.
Mon 4/66:15 am
LAX
- SAT
1 stop16h 04m
Frontier
Deal found 3/15![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/153:49 pm
LAX
- SAT
2 stops17h 51m
Frontier
Deal found 3/15![Frontier logo]()
$130
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:58 pm
LAX
- SAT
1 stop16h 11m
Frontier
Deal found 3/19![Frontier logo]()
$131
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.
Mon 4/2010:59 pm
LAX
- SAT
2 stops14h 10m
Frontier
Deal found 3/18![Frontier logo]()
$133
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 4/98:31 am
LAX
- SAT
2 stops13h 48m
Frontier
Deal found 3/18![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 5/178:59 pm
LAX
- SAT
1 stop20h 00m
Frontier
Deal found 3/17![Frontier logo]()
$135
Find flight deals from Irvine to San Antonio
Keep the following information in mind while searching for Irvine to San Antonio flight deals. Data was last updated March 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Booking.com) |
One-way from | $122 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $387 |
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine 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 20, 2026.
Use the filters below to find and compare flights from Irvine to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Tue 5/5
9:35 am-6:00 pm
1 stop6h 25m
San Antonio
Sat 5/9
5:05 pm-6:25 pm
Nonstop3h 20m
$343
Quickest round-trip
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Thu 4/23
8:05 am-12:45 pm
Nonstop2h 40m
San Antonio
Wed 4/29
1:35 pm-2:50 pm
Nonstop3h 15m
$343
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Fri 4/10
8:05 am-12:45 pm
Nonstop2h 40m
San Antonio
Mon 4/13
2:45 pm-4:05 pm
Nonstop3h 20m
$353
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Thu 4/9
11:00 am-7:40 pm
1 stop6h 40m
San Antonio
Sat 4/18
5:05 pm-6:25 pm
Nonstop3h 20m
$353
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Fri 5/8
8:05 am-12:45 pm
Nonstop2h 40m
San Antonio
Mon 5/11
3:05 pm-6:35 pm
1 stop5h 30m
$363
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Thu 4/16
8:05 am-12:45 pm
Nonstop2h 40m
San Antonio
Thu 4/23
2:10 pm-5:35 pm
1 stop5h 25m
$363
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Sat 4/25
11:05 am-9:00 pm
2 stops7h 55m
San Antonio
Tue 4/28
7:15 am-12:10 pm
2 stops6h 55m
$364
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Tue 5/26
6:59 pm-11:48 pm
Nonstop2h 49m
San Antonio
Sat 5/30
6:08 am-1:34 pm
1 stop9h 26m
$368
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Fri 5/1
11:55 pm-9:46 am
1 stop7h 51m
San Antonio
Tue 5/5
3:33 pm-4:53 pm
Nonstop3h 20m
$373
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles Los Angeles
Fri 5/15
6:59 pm-11:48 pm
Nonstop2h 49m
San Antonio
Mon 5/18
7:30 am-8:48 am
Nonstop3h 18m
$373
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Irvine to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Irvine with our price prediction graph.
LAX-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 Irvine to San Antonio
IR9-SAT
LAX-SAT
How far ahead should I book a flight from Irvine to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to San Antonio. Price data was last updated on March 13, 2026.
Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Irvine to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Irvine to San Antonio?
Currently, September is the cheapest month in which you can book a flight from Irvine to San Antonio (average of $58). Flying from Irvine to San Antonio in March is currently the most expensive (average of $135). 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 IR9 to SAT?
Find hourly flight availability from Irvine 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 20, 2026.
When flying from Irvine to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 64% versus a flight in the afternoon.
What is the cheapest day to fly from Irvine to San Antonio?
Use this chart to determine the cheapest time to fly round-trip from Irvine to San Antonio. Price data was last updated on August 31, 2025.
Travelers seeking maximum savings on their Irvine to San Antonio flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Irvine to San Antonio
Explore weekly flight availability from Irvine to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 20, 2026.
The most flights from IR9 to SAT are scheduled on a Wednesday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).
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 20, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines from Irvine to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Irvine 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
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Alternative routes for Irvine to San Antonio
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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 Irvine to San Antonio by cabin class
Find flights from Irvine to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Irvine and San Antonio flights
Browse other Irvine and San Antonio flight options. Last updated on March 20, 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 March 20, 2026.
Irvine to San Antonio flights
Consider these flights traveling from Irvine to San Antonio.
Top 8 airlines flying from Irvine to San Antonio
Discover the top 8 airlines that operate flights from Irvine 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$204 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$89 | Average$228 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$301 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$428 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$179 | Average$384 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$231 | Average$370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$324 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$538 | FlexibilityNo cancel fee | On-time75% |