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$72+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAT
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 Thursday and return on a Friday

Cheap 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 October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$109
(Cheapflightsfares)

One-way from

$72
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$248
Provider with most accurate pricing for Los Angeles-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-San Antonio flights.
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From Riverside to San Antonio
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One-way flight from Riverside to San Antonio
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Highest demand for flights based on searches. 10% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 12/62:12 pmLAX - SAT
Nonstop2h 47mSpirit Airlines
Tue 12/97:00 amSAT - LAX
Nonstop3h 26mSpirit Airlines
Deal found 10/28$109
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:28 pmLAX - SAT
Nonstop2h 44mSpirit Airlines
Sat 12/67:00 amSAT - LAX
Nonstop3h 26mSpirit Airlines
Deal found 10/29$110
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 11/147:00 pmLAX - SAT
Nonstop2h 45mSpirit Airlines
Wed 11/196:45 amSAT - LAX
Nonstop3h 24mSpirit Airlines
Deal found 10/27$111
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:48 pmLAX - SAT
1 stop26h 55mMultiple Airlines
Wed 11/196:45 amSAT - LAX
Nonstop3h 24mMultiple Airlines
Deal found 10/29$114
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/156:10 amLAX - SAT
1 stop6h 18mSpirit Airlines
Wed 11/196:45 amSAT - LAX
Nonstop3h 24mSpirit Airlines
Deal found 10/29$116
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 11/87:00 pmLAX - SAT
Nonstop2h 45mSpirit Airlines
Sat 11/156:45 amSAT - LAX
Nonstop3h 24mSpirit Airlines
Deal found 10/27$117
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 12/212:28 pmLAX - SAT
Nonstop2h 44mSpirit Airlines
Fri 12/55:40 amSAT - LAX
Nonstop3h 24mSpirit Airlines
Deal found 10/28$118
This CheapOair deal was found by Cheapflights users on 10/28. 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.
Fri 12/58:12 amLAX - SAT
Nonstop2h 48mSpirit Airlines
Wed 12/107:00 amSAT - LAX
Nonstop3h 26mSpirit Airlines
Deal found 10/28$119
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/146:10 amLAX - SAT
1 stop6h 18mMultiple Airlines
Mon 11/178:25 pmSAT - LAX
1 stop6h 00mMultiple Airlines
Deal found 10/28$120
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Tue 11/117:00 pmLAX - SAT
Nonstop2h 45mMultiple Airlines
Sat 11/154:20 pmSAT - LAX
1 stop5h 33mMultiple Airlines
Deal found 10/27$121
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:00 pmLAX - SAT
Nonstop2h 45mSpirit Airlines
Sun 11/166:45 amSAT - LAX
Nonstop3h 24mSpirit Airlines
Deal found 10/29$122
This CheapOair deal was found by Cheapflights users on 10/28. 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.
Tue 11/117:00 pmLAX - SAT
Nonstop2h 45mSpirit Airlines
Thu 11/136:45 amSAT - LAX
Nonstop3h 24mSpirit Airlines
Deal found 10/28$123

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 October 29, 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

Mon 12/1

12:28 pm-5:12 pm

Nonstop2h 44m

San Antonio

Fri 12/5

9:25 pm-10:39 am

1 stop15h 14m

$146

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Fri 12/12

4:15 pm-11:30 pm

1 stop5h 15m

San Antonio

Sun 12/14

5:55 am-10:25 am

2 stops6h 30m

$215

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Fri 11/21

12:28 pm-5:12 pm

Nonstop2h 44m

San Antonio

Sat 11/22

6:07 pm-7:30 pm

Nonstop3h 23m

$216

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Thu 11/6

7:00 pm-11:45 pm

Nonstop2h 45m

San Antonio

Sun 11/9

6:45 am-8:09 am

Nonstop3h 24m

$260

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Sun 11/16

7:15 am-5:05 pm

1 stop7h 50m

San Antonio

Wed 11/19

5:06 pm-6:29 pm

Nonstop3h 23m

$287

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Mon 12/8

7:00 pm-11:49 pm

Nonstop2h 49m

San Antonio

Fri 12/12

7:05 am-10:59 am

1 stop5h 54m

$287

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Thu 12/25

10:50 am-9:15 pm

2 stops8h 25m

San Antonio

Wed 12/31

11:05 am-4:15 pm

1 stop7h 10m

$293

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Thu 12/11

12:59 am-8:22 am

1 stop5h 23m

San Antonio

Sun 12/14

7:15 am-8:50 am

Nonstop3h 35m

$296

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Wed 12/24

10:10 am-3:06 pm

Nonstop2h 56m

San Antonio

Thu 1/1

6:37 am-8:01 am

Nonstop3h 24m

$307

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Wed 12/24

1:36 pm-9:26 pm

1 stop5h 50m

San Antonio

Wed 12/31

6:37 am-8:01 am

Nonstop3h 24m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results
1
2

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 October 24, 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 October 29, 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 at noon, which can drop the price by up to 16% versus a flight in the evening.

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 October 26, 2025.

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

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 October 29, 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
8.0
Very good
4,241 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
7.9
Good
7,992 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
11,032 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
8,114 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
3,124 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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 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 14 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 71 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 44m. Fly via Southwest or Spirit Airlines 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 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: SkyWest Airlines (92%), American Airlines (92%), Alaska Airlines( 92%).

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

    The cheapest flight price from Riverside to San Antonio is $71. On average you can expect to pay $493. The most popular route, (Los Angeles - San Antonio), can usually be booked for $99.

  • 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$73Average$208FlexibilityNo cancel feeOn-time65%
FrontierCheapest$107Average$203FlexibilityNo cancel feeOn-time62%
DeltaCheapest$113Average$332FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$179Average$397FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$179Average$373FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$249Average$963FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$270Average$407FlexibilityNo cancel feeOn-time69%

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