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$121+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SAT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$274
(United Airlines)

One-way from

$121
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$428
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. 8% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 7/13:25 pmRAP - SAT
1 stop4h 32mUnited Airlines
sáb. 7/124:49 pmSAT - RAP
1 stop4h 56mUnited Airlines
Deal found 6/11$274
This Delta deal was found by Cheapflights users on 6/11. 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.
vie. 8/152:25 pmRAP - SAT
1 stop5h 53mDelta
mar. 8/196:04 pmSAT - RAP
1 stop5h 28mDelta
Deal found 6/11$305
This American Airlines deal was found by Cheapflights users on 6/9. 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.
dom. 8/106:12 pmRAP - SAT
1 stop17h 16mAmerican Airlines
vie. 8/159:15 amSAT - RAP
2 stops9h 27mAmerican Airlines
Deal found 6/9$561

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 junio 12, 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

mar. 7/1

3:25 pm-8:57 pm

1 stop4h 32m

San Antonio

sáb. 7/12

4:49 pm-8:45 pm

1 stop4h 56m

$274

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

vie. 8/15

2:25 pm-9:18 pm

1 stop5h 53m

San Antonio

mar. 8/19

6:04 pm-10:32 pm

1 stop5h 28m

$305

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

dom. 8/10

6:12 pm-12:28 pm

1 stop17h 16m

San Antonio

vie. 8/15

9:15 am-5:42 pm

2 stops9h 27m

$561

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

jue. 7/3

9:59 pm-5:00 am

1 stop6h 01m

$121

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

vie. 7/11

4:38 pm-11:11 pm

1 stop5h 33m

$200

Rapid CitySan Antonio

RAP - SAT

RAPSAT

Rapid City

vie. 7/11

12:38 pm-10:59 pm

2 stops9h 21m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 junio 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $274. Other airlines that can offer you cheap pricing are Delta, from $305, and American Airlines, from $561. United Airlines is priced at 33% 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 Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
New Braunfels

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$408FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$460FlexibilityNo cancel feeOn-time69%

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