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$63+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to San Antonio are usually found in August or September, booked 25 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap 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 16, 2025.

Round-trip from

$103
(Cheapflightsfares)

One-way from

$63
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$188
From Irvine to San Antonio
Search Deals
One-way flight from Irvine to San Antonio
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Irvine to San Antonio

Cheapest flights from Irvine to San Antonio
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 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:12 amLAX - SAT
Nonstop2h 55mSpirit Airlines
Wed 11/123:02 pmSAT - LAX
Nonstop3h 21mSpirit Airlines
Deal found 9/15$103
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:12 amLAX - SAT
Nonstop2h 55mSpirit Airlines
Tue 12/93:02 pmSAT - LAX
Nonstop3h 21mSpirit Airlines
Deal found 9/15$104
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:12 amLAX - SAT
Nonstop2h 55mSpirit Airlines
Tue 11/183:02 pmSAT - LAX
Nonstop3h 21mSpirit Airlines
Deal found 9/16$107
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:12 amLAX - SAT
Nonstop2h 55mSpirit Airlines
Tue 11/113:02 pmSAT - LAX
Nonstop3h 21mSpirit Airlines
Deal found 9/14$115
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:01 amLAX - SAT
Nonstop2h 46mSpirit Airlines
Sat 11/83:02 pmSAT - LAX
Nonstop3h 21mSpirit Airlines
Deal found 9/16$119
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:12 amLAX - SAT
Nonstop2h 55mSpirit Airlines
Mon 11/173:02 pmSAT - LAX
Nonstop3h 21mSpirit Airlines
Deal found 9/14$127
This Flighttix deal was found by Cheapflights users on 9/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:01 amLAX - SAT
Nonstop2h 46mSpirit Airlines
Thu 11/63:02 pmSAT - LAX
Nonstop3h 21mSpirit Airlines
Deal found 9/15$128
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/42:38 pmLAX - SAT
Nonstop2h 54mMultiple Airlines
Sun 10/58:20 pmSAT - LAX
1 stop22h 58mMultiple Airlines
Deal found 9/14$131
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:15 amLAX - SAT
1 stop12h 37mSpirit Airlines
Sat 10/48:37 pmSAT - LAX
Nonstop3h 20mSpirit Airlines
Deal found 9/15$132
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/319:01 amLAX - SAT
Nonstop2h 46mMultiple Airlines
Mon 11/38:25 pmSAT - LAX
1 stop6h 00mMultiple Airlines
Deal found 9/15$136
This Priceline deal was found by Cheapflights users on 9/16. 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.
Thu 10/239:01 amLAX - SAT
Nonstop2h 46mMultiple Airlines
Sun 10/2610:54 amSAT - LAX
1 stop5h 37mMultiple Airlines
Deal found 9/16$138

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 September 16, 2025.
Use the filters below to find and compare flights from Irvine to San Antonio that are best for you.

Fly from

Irvine

Fly to

San Antonio

Route

Depart

Return

Price

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Mon 10/20

9:01 am-1:47 pm

Nonstop2h 46m

San Antonio

Mon 10/20

6:15 pm-9:25 pm

1 stop5h 10m

$155

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Thu 1/22

9:30 am-2:22 pm

Nonstop2h 52m

San Antonio

Sat 1/24

7:00 am-8:36 am

Nonstop3h 36m

$169

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Wed 10/22

6:59 pm-11:46 pm

Nonstop2h 47m

San Antonio

Sat 10/25

4:10 pm-5:24 pm

Nonstop3h 14m

$179

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Tue 3/10

6:30 pm-11:17 pm

Nonstop2h 47m

San Antonio

Wed 3/11

6:30 am-8:00 am

Nonstop3h 30m

$179

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Wed 10/29

9:55 am-2:51 pm

Nonstop2h 56m

San Antonio

Wed 11/5

6:00 am-7:13 am

Nonstop3h 13m

$179

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Tue 11/4

9:55 am-2:51 pm

Nonstop2h 56m

San Antonio

Sun 11/9

6:00 am-7:20 am

Nonstop3h 20m

$183

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Tue 10/14

11:55 pm-9:50 am

1 stop7h 55m

San Antonio

Tue 10/21

4:05 pm-5:15 pm

Nonstop3h 10m

$193

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Tue 12/16

5:00 am-1:06 pm

1 stop6h 06m

San Antonio

Tue 12/16

5:59 pm-9:36 pm

1 stop5h 37m

$212

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Wed 11/12

10:50 am-9:05 pm

2 stops8h 15m

San Antonio

Wed 11/19

10:55 am-2:30 pm

1 stop5h 35m

$212

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Sat 1/17

6:30 pm-11:17 pm

Nonstop2h 47m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
1
2

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.
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

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 September 12, 2025.

Booking 25 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, August is the cheapest month in which you can book a flight from Irvine to San Antonio (average of $295). Flying from Irvine to San Antonio in March is currently the most expensive (average of $376). 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to San Antonio as you normally would.

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 evenings when fares are most often at their lowest. Sunday mornings 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 September 16, 2025.

The most flights from IR9 to SAT are scheduled on a Monday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 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 September 16, 2025.
See what other customers who have flown with Southwest, Delta, and American 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.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • What airport do you fly into for flights to San Antonio from Irvine?

    Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to San Antonio from Irvine. Booking flights from Irvine to San Antonio (SAT) should be relatively easy as there are 21 daily inbound flights from Irvine from 7 different airlines.

  • How popular is this Irvine to San Antonio flight route?

    This flight path from Irvine to San Antonio was viewed by 67 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Irvine to San Antonio?

    Spirit Airlines, American Airlines, and Delta can get you from Irvine to San Antonio in just under 2h 46m. Your travel time will be generally consistent. There are 1208 mi between Irvine and San Antonio. All flights are typically nonstop.

  • What are the most reliable airlines from Irvine to San Antonio?

    The top 3 most reliable airlines when flying from Irvine to San Antonio are SkyWest Airlines (93%), American Airlines (93%) and Alaska Airlines (93%).

  • What are the cheapest flights from Irvine to San Antonio?

    The cheapest flight price from Irvine to San Antonio is $50. On average you can expect to pay $384. The most popular route, (Los Angeles - San Antonio), can usually be booked for $103.

  • Can I find deals for flights from Irvine to San Antonio that include hotel bookings?

    Yes. In addition to deals on Irvine to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to San Antonio.

  • Can I find deals for business class flights from Irvine to San Antonio?

    Yes. Cheapflights offers flight deals from Irvine to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Irvine to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Irvine to San Antonio (average of $295). Flying from Irvine to San Antonio in March is currently the most expensive (average of $376). 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.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New 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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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 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$72Average$200FlexibilityNo cancel feeOn-time65%
FrontierCheapest$107Average$211FlexibilityNo cancel feeOn-time62%
DeltaCheapest$111Average$317FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$180Average$423FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$183Average$371FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$249Average$963FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$281Average$420FlexibilityNo cancel feeOn-time69%

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