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$75+ Cheap flights from Riverside, 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAT
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside 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 Riverside to San Antonio

Cheapest flights from Riverside to San Antonio
Explore the most affordable flight options available from Riverside to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/319:15 amLAX - SAT
1 stop22h 08mMultiple Airlines
Mon 1/56:35 amSAT - LAX
Nonstop3h 26mMultiple Airlines
Deal found 12/14$141
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.
Wed 12/2412:30 pmLAX - SAT
1 stop9h 47mMultiple Airlines
Wed 1/76:35 amSAT - LAX
Nonstop3h 26mMultiple Airlines
Deal found 12/16$153
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/242:22 pmLAX - SAT
1 stop17h 01mFrontier
Wed 1/73:55 pmSAT - LAX
1 stop6h 33mFrontier
Deal found 12/15$174
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/312:22 pmLAX - SAT
1 stop17h 01mMultiple Airlines
Sun 1/45:10 amSAT - LAX
1 stop28h 08mMultiple Airlines
Deal found 12/14$178
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/312:22 pmLAX - SAT
1 stop17h 01mFrontier
Mon 1/52:01 pmSAT - LAX
1 stop8h 30mFrontier
Deal found 12/14$179
This Super.com deal was found by Cheapflights users on 12/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:56 amLAX - SAT
Nonstop2h 48mSpirit Airlines
Mon 1/56:35 amSAT - LAX
Nonstop3h 26mSpirit Airlines
Deal found 12/14$212
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/239:20 pmLAX - SAT
2 stops34h 03mMultiple Airlines
Mon 1/56:35 amSAT - LAX
Nonstop3h 26mMultiple Airlines
Deal found 12/14$213

Find flight deals from Riverside to San Antonio

Keep the following information in mind while searching for Riverside to San Antonio flight deals. Data was last updated December 16, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$112
(Priceline)

One-way from

$75
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$287
Provider with most accurate pricing for Los Angeles-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-San Antonio flights.
Search Deals
From Riverside to San Antonio
Search Deals
One-way flight from Riverside to San Antonio
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 December 16, 2025.
Use the filters below to find and compare flights from Riverside to San Antonio that are best for you.

Fly from

Riverside

Fly to

San Antonio

Route

Depart

Return

Price

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Fri 1/9

4:33 pm-3:00 pm

1 stop20h 27m

San Antonio

Mon 1/12

12:21 pm-7:21 pm

1 stop9h 00m

$237

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

$255

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Tue 1/13

9:55 am-2:43 pm

Nonstop2h 48m

San Antonio

Tue 1/20

7:00 am-8:28 am

Nonstop3h 28m

$255

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Sat 1/31

9:55 am-2:43 pm

Nonstop2h 48m

San Antonio

Tue 2/3

4:40 pm-6:04 pm

Nonstop3h 24m

$255

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

$255

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Wed 1/14

3:20 pm-9:35 pm

1 stop4h 15m

San Antonio

Wed 1/21

7:15 am-10:55 am

1 stop5h 40m

$275

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Tue 2/17

12:55 pm-5:40 pm

Nonstop2h 45m

San Antonio

Fri 2/20

11:40 am-1:05 pm

Nonstop3h 25m

$285

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Thu 1/22

6:58 pm-11:43 pm

Nonstop2h 45m

San Antonio

Sat 1/31

7:00 am-8:28 am

Nonstop3h 28m

$285

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

$285

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Mon 2/9

8:57 pm-4:17 pm

2 stops17h 20m

$95

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 19 results
1
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Best time to book a flight from Riverside to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Riverside 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 Riverside to San Antonio

How far ahead should I book a flight from Riverside to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Riverside 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 Riverside 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 Riverside to San Antonio?

Currently, September is the cheapest month in which you can book a flight from Riverside to San Antonio (average of $58). Flying from Riverside 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 R1V to SAT?

Find hourly flight availability from Riverside 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 16, 2025.

When flying from Riverside 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 25% versus a flight in the afternoon.

What is the cheapest day to fly from Riverside to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Riverside to San Antonio. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Riverside to San Antonio flight should consider departing on Wednesday 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.

How much does it cost to fly round-trip from Riverside to San Antonio?

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 16, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Riverside to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,049 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Spirit Airlines
6.3
Okay
8,186 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,082 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Riverside 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 Riverside?

    For a flight from Riverside to San Antonio, you will be flying into San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 12 inbound flights from Riverside per day. 7 airlines have flights to San Antonio from Riverside on a regular basis.

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

    Flights from Riverside to San Antonio have been viewed 94 times in the past calendar month.

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

    There are many flights that can get you from Riverside to San Antonio in 2h 45m. Fly via Frontier or Delta to get the fastest option. The distance between Riverside and San Antonio is about 1208 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Riverside to San Antonio one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $48. Frontier flights start at $60 while deals on American Airlines start at $83 one-way.

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

    Before booking your flight to San Antonio from Riverside, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (93%), KLM (92%), EL AL( 92%).

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

    The cheapest flight price from Riverside to San Antonio is $56. On average you can expect to pay $700. The most popular route, (Los Angeles - San Antonio), can usually be booked for $112.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Riverside 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 Riverside to San Antonio?

    Currently, September is the cheapest month in which you can book a flight from Riverside to San Antonio (average of $58). Flying from Riverside 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.

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

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Alternative routes for Riverside to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Riverside to San Antonio

Discover the top 7 airlines that operate flights from Riverside 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$70Average$211FlexibilityNo cancel feeOn-time65%
FrontierCheapest$89Average$199FlexibilityNo cancel feeOn-time62%
DeltaCheapest$110Average$317FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$167Average$379FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$179Average$365FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$242Average$407FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$249Average$710FlexibilityNo cancel feeOn-time75%

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