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$230+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SAT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$289
(United Airlines)

One-way from

$230
(Delta)

Popular in

December

Cheapest in

August

Average price

$273
From Rapid City to San Antonio
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One-way flight from Rapid City to San Antonio
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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 8/2810:15 amRAP - SAT
1 stop5h 36mUnited Airlines
Mon 9/14:37 pmSAT - RAP
1 stop6h 22mUnited Airlines
Deal found 8/13$289
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/2912:43 pmRAP - SAT
1 stop7h 03mUnited Airlines
Tue 9/24:37 pmSAT - RAP
1 stop5h 02mUnited Airlines
Deal found 8/14$300
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/93:19 pmRAP - SAT
1 stop4h 27mUnited Airlines
Mon 9/154:37 pmSAT - RAP
1 stop6h 22mUnited Airlines
Deal found 8/13$339
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/277:00 amRAP - SAT
1 stop4h 48mUnited Airlines
Sat 8/304:37 pmSAT - RAP
1 stop6h 22mUnited Airlines
Deal found 8/13$369
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:25 pmRAP - SAT
1 stop5h 53mDelta
Sun 8/176:30 amSAT - RAP
1 stop8h 14mDelta
Deal found 8/14$389
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/161:35 pmRAP - SAT
2 stops8h 13mUnited Airlines
Tue 9/232:25 pmSAT - RAP
2 stops8h 34mUnited Airlines
Deal found 8/13$390

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 August 14, 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

Thu 8/28

10:15 am-4:51 pm

1 stop5h 36m

San Antonio

Mon 9/1

4:37 pm-9:59 pm

1 stop6h 22m

$289

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Fri 8/29

12:43 pm-8:46 pm

1 stop7h 03m

San Antonio

Tue 9/2

4:37 pm-8:39 pm

1 stop5h 02m

$300

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Tue 9/9

3:19 pm-8:46 pm

1 stop4h 27m

San Antonio

Mon 9/15

4:37 pm-9:59 pm

1 stop6h 22m

$339

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Tue 9/16

8:32 am-4:51 pm

1 stop7h 19m

San Antonio

Tue 9/23

4:37 pm-9:59 pm

1 stop6h 22m

$339

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Wed 8/27

10:15 am-4:51 pm

1 stop5h 36m

San Antonio

Sat 8/30

4:37 pm-9:59 pm

1 stop6h 22m

$369

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Wed 9/24

2:27 pm-9:30 pm

1 stop6h 03m

$230

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Mon 9/8

7:00 am-12:48 pm

1 stop4h 48m

$240

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Fri 9/26

8:30 am-4:57 pm

1 stop7h 27m

$240

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Wed 9/24

7:00 am-7:52 pm

2 stops11h 52m

$316

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

Wed 8/20

12:10 pm-6:34 pm

1 stop5h 24m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 11 results
1
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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, August is the cheapest month in which you can book a flight from Rapid City to San Antonio (average of $295). Flying from Rapid City to San Antonio in March is currently the most expensive (average of $376). 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 August 14, 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
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • 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, August is the cheapest month in which you can book a flight from Rapid City to San Antonio (average of $295). Flying from Rapid City to San Antonio in March is currently the most expensive (average of $376). 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$408FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$463FlexibilityNo cancel feeOn-time69%

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