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$254+ Cheap flights from Rapid City to San Antonio (RAP - 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SAT
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
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 5, 2025.

This United Airlines deal was found by Cheapflights users on 12/4. 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.
Thu 12/2512:18 pmRAP - SAT
1 stop7h 42mUnited Airlines
Thu 1/158:30 amSAT - RAP
1 stop5h 42mUnited Airlines
Deal found 12/4$330
This Kiwi.com deal was found by Cheapflights users on 12/4. 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.
Mon 12/1510:30 amRAP - SAT
1 stop29h 35mMultiple Airlines
Fri 12/1912:18 pmSAT - RAP
2 stops20h 55mMultiple Airlines
Deal found 12/4$390
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Mon 12/1512:41 pmRAP - SAT
1 stop7h 12mUnited Airlines
Fri 12/191:10 pmSAT - RAP
1 stop7h 02mUnited Airlines
Deal found 12/4$585
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/2311:05 amRAP - SAT
1 stop17h 30mMultiple Airlines
Sun 12/282:39 pmSAT - RAP
2 stops44h 11mMultiple Airlines
Deal found 12/3$676
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/202:20 pmRAP - SAT
1 stop7h 39mAmerican Airlines
Sun 12/288:21 amSAT - RAP
1 stop6h 29mAmerican Airlines
Deal found 12/3$750
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/238:45 amRAP - SAT
1 stop7h 12mUnited Airlines
Sun 12/285:20 amSAT - RAP
1 stop16h 29mUnited Airlines
Deal found 12/3$798
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/235:30 amRAP - SAT
1 stop7h 40mAmerican Airlines
Sun 12/289:32 amSAT - RAP
1 stop5h 18mAmerican Airlines
Deal found 12/3$819
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Mon 12/2212:18 pmRAP - SAT
2 stops9h 30mUnited Airlines
Sun 12/288:45 amSAT - RAP
1 stop11h 27mUnited Airlines
Deal found 12/3$848

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 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(United Airlines)

One-way from

$254
(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
One-way flight from Rapid City to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 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 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 5, 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

Tue 2/3

10:45 am-4:53 pm

1 stop5h 08m

San Antonio

Sat 2/7

1:20 pm-6:47 pm

1 stop6h 27m

$259

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Thu 2/26

2:52 pm-8:56 pm

1 stop5h 04m

San Antonio

Mon 3/2

9:10 am-1:13 pm

1 stop5h 03m

$259

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Tue 2/3

10:54 am-10:55 pm

2 stops11h 01m

San Antonio

Sat 2/7

5:30 am-3:25 pm

2 stops10h 55m

$269

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sat 3/7

2:45 pm-8:46 pm

1 stop5h 01m

San Antonio

Tue 3/10

5:30 am-11:05 am

1 stop6h 35m

$281

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sat 3/7

2:45 pm-8:46 pm

1 stop5h 01m

San Antonio

Wed 3/11

4:40 pm-8:34 pm

1 stop4h 54m

$281

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Thu 12/25

12:18 pm-9:00 pm

1 stop7h 42m

San Antonio

Thu 1/15

8:30 am-1:12 pm

1 stop5h 42m

$330

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Thu 1/15

2:40 pm-8:44 pm

1 stop5h 04m

San Antonio

Mon 1/19

11:43 am-8:32 pm

2 stops9h 49m

$334

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Tue 4/21

10:55 am-4:53 pm

1 stop4h 58m

San Antonio

Sat 5/2

2:01 pm-9:13 pm

1 stop8h 12m

$339

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Tue 3/3

12:25 pm-8:56 pm

1 stop7h 31m

San Antonio

Fri 3/13

5:30 am-9:10 am

1 stop4h 40m

$339

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Sat 2/7

6:00 am-10:42 pm

2 stops15h 42m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 11 results
1
2

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 5, 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
9,064 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,064 reviews
United Airlines
7.4
Good
9,064 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,064 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 United Airlines, Delta, 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 United Airlines. American 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, 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 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$381FlexibilityNo cancel feeOn-time69%

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