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$279+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SAT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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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 December 18, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:18 pmRAP - SAT
1 stop7h 42mUnited Airlines
Sat 1/34:55 pmSAT - RAP
1 stop6h 04mUnited Airlines
Deal found 12/15$434
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 amRAP - SAT
1 stop7h 12mUnited Airlines
Sun 1/41:10 pmSAT - RAP
1 stop7h 02mUnited Airlines
Deal found 12/16$488
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:05 pmRAP - SAT
1 stop4h 42mUnited Airlines
Sun 1/41:10 pmSAT - RAP
1 stop7h 02mUnited Airlines
Deal found 12/15$693
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:00 amRAP - SAT
1 stop5h 06mUnited Airlines
Wed 12/171:34 pmSAT - RAP
1 stop4h 36mUnited Airlines
Deal found 12/15$731

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(American Airlines)

Popular in

May

Cheapest in

January

Average price

$369
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 ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 18, 2025.
Use the filters below to find and compare flights from Rapid City to San Antonio that are best for you.

Fly from

Rapid City

Fly to

San Antonio

Route

Depart

Return

Price

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Fri 1/16

2:08 pm-9:52 pm

1 stop6h 44m

San Antonio

Fri 1/23

7:00 am-1:34 pm

1 stop7h 34m

$279

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sat 1/17

2:40 pm-8:44 pm

1 stop5h 04m

San Antonio

Wed 1/21

8:30 am-1:12 pm

1 stop5h 42m

$317

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Thu 1/1

3:35 pm-11:47 pm

1 stop7h 12m

San Antonio

Mon 1/5

4:55 pm-9:59 pm

1 stop6h 04m

$352

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Tue 3/3

2:52 pm-8:56 pm

1 stop5h 04m

San Antonio

Fri 3/13

5:47 am-9:10 am

1 stop4h 23m

$359

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sun 1/4

6:05 pm-11:47 pm

1 stop4h 42m

$281

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sun 1/4

8:59 am-3:00 pm

3 stops53h 01m

$295

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sun 12/28

2:20 pm-10:59 pm

1 stop7h 39m

$549

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sun 12/28

9:15 pm-11:21 am

3 stops37h 06m

$607

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sun 12/28

5:15 am-5:49 pm

2 stops11h 34m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rapid City-San Antonio flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, April is the cheapest month in which you can book a flight from Rapid City to San Antonio (average of $146). Flying from Rapid City to San Antonio in August is currently the most expensive (average of $384). 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 December 18, 2025.
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
9,091 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 04m. Fly via American Airlines or United 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 United Airlines. American Airlines is priced at 35% 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, April is the cheapest month in which you can book a flight from Rapid City to San Antonio (average of $146). Flying from Rapid City to San Antonio in August is currently the most expensive (average of $384). 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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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$373FlexibilityNo cancel feeOn-time69%

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