HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$330+ Cheap flights from Rapid City to San Antonio (RAP - 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SAT
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City 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.

Cheap flight deals from Rapid City to San Antonio

Cheapest flights from Rapid City to San Antonio
Explore the most affordable flight options available from Rapid City to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.

This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:35 pm
RAP
-
SAT
1 stop8h 19m
United Airlines
Tue 6/25:30 am
SAT
-
RAP
1 stop4h 50m
United Airlines
Deal found 3/14$330
This American Airlines deal was found by Cheapflights users on 3/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/104:57 pm
RAP
-
SAT
1 stop5h 59m
American Airlines
Tue 4/146:00 am
SAT
-
RAP
1 stop7h 38m
American Airlines
Deal found 3/17$344
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:57 pm
RAP
-
SAT
1 stop4h 55m
American Airlines
Sat 5/26:00 am
SAT
-
RAP
1 stop7h 38m
American Airlines
Deal found 3/15$354
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:27 am
RAP
-
SAT
1 stop6h 33m
United Airlines
Wed 4/224:45 pm
SAT
-
RAP
1 stop6h 43m
United Airlines
Deal found 3/17$359
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:00 am
RAP
-
SAT
1 stop5h 47m
Delta
Tue 3/246:13 am
SAT
-
RAP
2 stops10h 05m
Delta
Deal found 3/17$364
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:58 am
RAP
-
SAT
2 stops11h 10m
Delta
Sat 5/25:10 am
SAT
-
RAP
2 stops11h 05m
Delta
Deal found 3/16$367
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:00 am
RAP
-
SAT
1 stop5h 00m
United Airlines
Sat 4/48:45 am
SAT
-
RAP
1 stop5h 23m
United Airlines
Deal found 3/16$369

Find flight deals from Rapid City to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$330
(United Airlines)

Popular in

July

Cheapest in

December

Average price

$415
Provider with most accurate pricing for Rapid City-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-San Antonio flights.
Search Deals
From Rapid City to San Antonio
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City 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 March 19, 2026.
Use the filters below to find and compare flights from Rapid City to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Fri 5/29

1:35 pm-10:54 pm

1 stop8h 19m

San Antonio

Tue 6/2

5:30 am-9:20 am

1 stop4h 50m

$330

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sat 4/18

5:27 am-1:00 pm

1 stop6h 33m

San Antonio

Wed 4/22

4:45 pm-10:28 pm

1 stop6h 43m

$359

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Tue 4/21

10:58 am-11:08 pm

2 stops11h 10m

San Antonio

Sat 5/2

5:10 am-3:15 pm

2 stops11h 05m

$367
Quickest round-trip

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sun 4/26

3:55 pm-10:11 pm

1 stop5h 16m

San Antonio

Wed 4/29

6:12 pm-10:20 pm

1 stop5h 08m

$397

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Fri 4/10

10:00 am-4:57 pm

1 stop5h 57m

San Antonio

Tue 4/14

4:45 pm-8:44 pm

1 stop4h 59m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Sorted by cheapest first

Compare providers for flights from Rapid City to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to San Antonio in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rapid City-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rapid City to San Antonio

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

What is the cheapest month to book a flight from Rapid City to San Antonio?

Currently, January is the cheapest month in which you can book a flight from Rapid City to San Antonio (average of $196). Flying from Rapid City to San Antonio in August is currently the most expensive (average of $379). 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.

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 March 19, 2026.
See what other customers who have flown with United Airlines and American Airlines from Rapid City 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.
United Airlines
7.4
Good
9,439 reviews

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,439 reviews
United Airlines
7.4
Good
9,439 reviews

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,472 reviews
United Airlines
7.4
Good
9,439 reviews

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Rapid City to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rapid City to San Antonio?

    There are many flights that can get you from Rapid City to San Antonio in 5h 59m. Fly via United Airlines or American Airlines to get the fastest option. Airlines will cover a distance of 1033 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Rapid City to San Antonio round-trip?

    Cheapflights users have booked flights from Rapid City to San Antonio round-trip from $258. Another airline that can offer you cheap pricing is American Airlines. United Airlines is priced at 36% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rapid City 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 Rapid City to San Antonio?

    Currently, January is the cheapest month in which you can book a flight from Rapid City to San Antonio (average of $196). Flying from Rapid City to San Antonio in August is currently the most expensive (average of $379). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Rapid City to San Antonio

Discover the top 2 airlines that operate flights from Rapid City 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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$388FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$299Average$428FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.