$137+ Cheap flights from Irvine, CA to San Antonio (SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAT
Oct 3 — Oct 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 November or December, booked 74 days in advance, depart on a Saturday or Wednesday 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 September 3, 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 September 3, 2026.
This Frontier deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:05 am -
1 stop11h 20m
Thu 10/158:21 pm -
1 stop6h 08m
Deal found 8/30![Frontier logo]()
$298
This Super.com deal was found by Cheapflights users on 8/31. 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.
Sun 9/279:40 pm -
1 stop9h 30m
Wed 9/308:20 pm -
1 stop5h 50m
Deal found 8/31![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Thu 9/246:05 am -
1 stop11h 20m
Sun 9/278:20 pm -
2 stops20h 41m
Deal found 9/1![Frontier logo]()
$301
This deal was found by Cheapflights users on 8/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:36 am -
1 stop5h 49m
Tue 9/298:20 pm -
1 stop5h 50m
Deal found 8/31![Frontier logo]()
$302
This Southwest deal was found by Cheapflights users on 9/1. 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.
Sat 10/311:05 pm -
Nonstop2h 45m
Tue 11/34:55 pm -
1 stop4h 20m
Deal found 9/1![Southwest logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sat 9/196:05 am -
1 stop11h 20m
Sat 9/262:47 pm -
1 stop7h 27m
Deal found 9/1![Frontier logo]()
$304
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:40 pm -
1 stop9h 30m
Sat 10/32:47 pm -
1 stop7h 27m
Deal found 9/1![Frontier logo]()
$305
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:05 am -
1 stop11h 20m
Fri 9/259:50 pm -
1 stop11h 57m
Deal found 9/1![Frontier logo]()
$306
This Delta deal was found by Cheapflights users on 8/31. 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.
Thu 10/19:59 am -
Nonstop2h 50m
Sat 10/107:50 am -
Nonstop3h 15m
Deal found 8/31![Delta logo]()
$307
This Frontier deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:36 am -
1 stop5h 49m
Mon 10/58:20 pm -
1 stop5h 50m
Deal found 8/31![Frontier logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sun 9/209:40 pm -
1 stop9h 30m
Sat 9/262:47 pm -
1 stop7h 27m
Deal found 9/1![Frontier logo]()
$310
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 September 3, 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 September 3, 2026.
This Delta deal was found by Cheapflights users on 8/30. 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.
Thu 9/247:25 pm -
Nonstop2h 48m
Sat 9/267:20 am -
Nonstop3h 03m
Deal found 8/30![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 9/1. 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.
Wed 10/149:20 am -
Nonstop2h 50m
Fri 10/163:55 pm -
Nonstop3h 10m
Deal found 9/1![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/31. 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 11/53:18 pm -
1 stop5h 33m
Sat 11/72:20 pm -
1 stop5h 50m
Deal found 8/31![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 8/30. 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.
Thu 10/157:27 pm -
Nonstop2h 46m
Sat 10/177:50 am -
Nonstop3h 15m
Deal found 8/30![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:05 am -
Nonstop2h 50m
Thu 9/247:45 pm -
1 stop5h 20m
Deal found 8/29![Southwest logo]()
$313
This Delta deal was found by Cheapflights users on 8/31. 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.
Thu 10/17:25 pm -
Nonstop2h 48m
Tue 10/67:50 am -
Nonstop3h 15m
Deal found 8/31![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 9/1. 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.
Tue 10/69:20 am -
Nonstop2h 50m
Sat 10/103:00 pm -
Nonstop3h 15m
Deal found 9/1![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:05 am -
1 stop5h 30m
Sun 11/811:30 am -
Nonstop3h 10m
Deal found 8/29![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 9/2. 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.
Sat 10/107:05 am -
Nonstop2h 50m
Mon 10/128:45 pm -
1 stop5h 25m
Deal found 9/2![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:25 am -
2 stops7h 50m
Sun 11/16:05 pm -
1 stop4h 35m
Deal found 8/31![Southwest logo]()
$405
Last-minute flights from Irvine to San AntonioDiscover last-minute flight deals from Irvine to San Antonio. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to San Antonio. Data last updated September 3, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:36 am -
1 stop5h 49m
Mon 10/58:20 pm -
1 stop5h 50m
Deal found 8/31![Frontier logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sat 9/196:05 am -
1 stop11h 20m
Sat 9/262:47 pm -
1 stop7h 27m
Deal found 9/1![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sun 9/209:40 pm -
1 stop9h 30m
Sat 9/262:47 pm -
1 stop7h 27m
Deal found 9/1![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Thu 9/246:05 am -
1 stop11h 20m
Sun 9/278:20 pm -
2 stops20h 41m
Deal found 9/1![Frontier logo]()
$301
This Expedia deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:05 am -
1 stop11h 20m
Sat 9/268:20 pm -
1 stop16h 19m
Deal found 8/31![Frontier logo]()
$302
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:05 am -
1 stop11h 20m
Fri 9/259:50 pm -
1 stop11h 57m
Deal found 9/1![Frontier logo]()
$306
This Super.com deal was found by Cheapflights users on 8/31. 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.
Sun 9/279:40 pm -
1 stop9h 30m
Wed 9/308:20 pm -
1 stop5h 50m
Deal found 8/31![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:40 pm -
1 stop9h 30m
Sat 10/32:47 pm -
1 stop7h 27m
Deal found 9/1![Frontier logo]()
$305
This Delta deal was found by Cheapflights users on 8/31. 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.
Thu 10/17:25 pm -
Nonstop2h 48m
Tue 10/67:50 am -
Nonstop3h 15m
Deal found 8/31![Delta logo]()
$307
This Frontier deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:05 am -
1 stop11h 20m
Thu 10/158:21 pm -
1 stop6h 08m
Deal found 8/30![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 9/1. 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.
Sat 10/311:05 pm -
Nonstop2h 45m
Tue 11/34:55 pm -
1 stop4h 20m
Deal found 9/1![Southwest logo]()
$303
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 September 3, 2026.
Search for one-way flight options from Irvine to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/2012:09 am -
2 stops17h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 10/237:03 pm -
2 stops22h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 12/21:30 pm -
1 stop28h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/29![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/307:36 pm -
1 stop16h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$140
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/161:30 pm -
1 stop4h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/92:28 pm -
1 stop26h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 10/68:25 pm -
2 stops21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/29![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sat 9/266:05 am -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$146
This Frontier deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:40 am -
1 stop5h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Frontier logo]()
$147
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 September 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $298 (Frontier) |
One-way from | $137 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $286 |
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 7,457,451 searches. Data last updated September 3, 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 Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Thu 10/8
7:35 am-12:25 pm
Nonstop2h 50m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$159
Los AngelesSan Antonio
LAX Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Thu 10/15
7:27 pm-12:13 am
Nonstop2h 46m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$159
Los AngelesSan Antonio
LAX Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Fri 10/2
7:35 am-12:25 pm
Nonstop2h 50m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$159
Los AngelesSan Antonio
LAX Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Fri 9/11
9:59 am-2:49 pm
Nonstop2h 50m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$197
Los AngelesSan Antonio
LAX Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Wed 2/24
6:30 pm-11:18 pm
Nonstop2h 48m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$197
Los AngelesSan Antonio
LAX Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Thu 2/25
5:30 pm-11:25 pm
1 stop3h 55m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$199
Los AngelesSan Antonio
LAX Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Thu 10/22
7:15 am-5:10 pm
1 stop7h 55m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$204
Los AngelesSan Antonio
LAX Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Sat 1/16
7:10 am-5:30 pm
1 stop8h 20m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$207
Los AngelesSan Antonio
LAX Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Sat 10/3
9:55 am-2:46 pm
Nonstop2h 51m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$207
Los AngelesSan Antonio
LAX Los Angeles Los Angeles - SAT San Antonio
LAXSAT
Los Angeles Los Angeles
Wed 2/17
12:00 pm-9:15 pm
2 stops7h 15m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$209
Showing 1-10 of 22 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
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 September 3, 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 53% versus a flight in the afternoon.
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 September 3, 2026.
The most flights from IR9 to SAT are scheduled on a Wednesday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Irvine to San Antonio?
Airfare is typical for this route at the moment.
Irvine to San Antonio flights typically cost between $167 and $365 in October.The cheapest round-trip price found within the last 5 days was $298 on Frontier (Oct 5-Oct 15).
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 Saturday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated September 3, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
San Antonio flight routes
Top destinations
Alternative routes for Irvine to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from 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 September 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 3, 2026.
Irvine to San Antonio flights
Consider these flights traveling from Irvine to San Antonio.
Top 7 airlines flying from Irvine to San Antonio
Discover the top 7 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 7,457,451 searches. Data last updated September 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$567 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$141 | Average$425 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$504 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$201 | Average$472 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$365 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$377 | FlexibilityNo cancel fee | On-time62% |