$85+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
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 Wednesday or Saturday and return on a Friday
Cheap flight deals from Irvine to San Antonio
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 December 18, 2025.
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 December 18, 2025.
This Priceline deal was found by Cheapflights users on 12/16. 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.
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
This Frontier deal was found by Cheapflights users on 12/16. 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.
This Booking.com deal was found by Cheapflights users on 12/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Travelocity deal was found by Cheapflights users on 12/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Travelocity deal was found by Cheapflights users on 12/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 December 18, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $112 (Super.com) |
One-way from | $85 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $287 |
Cheapflights Fare Finder
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
Price
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Wed 2/18
6:20 am-4:17 pm
1 stop7h 57m
San Antonio
Wed 3/4
5:12 pm-11:18 pm
1 stop8h 06m
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Wed 1/21
9:55 am-2:43 pm
Nonstop2h 48m
San Antonio
Sat 1/24
7:00 am-8:28 am
Nonstop3h 28m
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Tue 2/10
6:58 pm-11:43 pm
Nonstop2h 45m
San Antonio
Sat 2/14
7:00 am-8:26 am
Nonstop3h 26m
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Sat 2/21
9:56 am-2:44 pm
Nonstop2h 48m
San Antonio
Sat 2/28
7:00 am-8:26 am
Nonstop3h 26m
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Sat 2/14
9:56 am-2:44 pm
Nonstop2h 48m
San Antonio
Sat 2/21
7:00 am-8:26 am
Nonstop3h 26m
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Sun 12/21
9:20 pm-5:35 am
1 stop6h 15m
San Antonio
Sun 1/4
6:35 am-8:01 am
Nonstop3h 26m
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Thu 1/1
9:20 pm-5:35 am
1 stop6h 15m
San Antonio
Fri 2/27
10:48 pm-1:36 pm
2 stops16h 48m
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Sat 1/17
11:12 am-8:43 pm
1 stop7h 31m
San Antonio
Sun 1/18
7:00 am-8:28 am
Nonstop3h 28m
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Thu 1/29
6:58 pm-11:43 pm
Nonstop2h 45m
San Antonio
Sat 1/31
7:00 am-8:28 am
Nonstop3h 28m
Los AngelesSan Antonio
LAX - SAT
LAXSAT
Los Angeles
Fri 1/16
9:55 am-2:43 pm
Nonstop2h 48m
San Antonio
Sun 1/18
7:00 am-8:28 am
Nonstop3h 28m
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.
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 December 12, 2025.
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 $97). 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 December 18, 2025.
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 36% versus a flight in the morning.
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 Tuesday at noon 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 December 18, 2025.
The most flights from IR9 to SAT are scheduled on a Thursday (25 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 December 18, 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.
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
William 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.
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Alternative routes for Irvine to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$70 | Average$215 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$89 | Average$199 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$110 | Average$317 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$412 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$179 | Average$393 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$242 | Average$407 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$249 | Average$710 | FlexibilityNo cancel fee | On-time75% |