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San Antonio

$390+ Cheap flights from Rapid City to San Antonio (RAP - SAT)

RAP — SAT
Oct 17 — Oct 241
Sat 10/17
Sat 10/24
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from Rapid City to San Antonio

Cheapest flights from Rapid City to San Antonio

Fri 10/164:41 pm -
1 stop6h 17m
Tue 10/205:30 am -
1 stop4h 58m
Deal found 9/12$390
Sat 12/55:00 am -
1 stop6h 46m
Wed 12/91:50 pm -
1 stop7h 01m
Deal found 9/15$399
Fri 10/164:41 pm -
1 stop6h 17m
Sun 10/185:30 am -
1 stop4h 58m
Deal found 9/16$416
Sun 11/812:06 pm -
2 stops30h 19m
Wed 11/1110:29 pm -
1 stop16h 37m
Deal found 9/14$477
Tue 9/2910:26 am -
1 stop5h 26m
Sat 10/39:00 am -
1 stop4h 26m
Deal found 9/14$486
Thu 10/11:37 pm -
2 stops8h 14m
Mon 10/54:17 pm -
2 stops7h 13m
Deal found 9/16$525

Find flight deals from Rapid City to San Antonio

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$390
(United Airlines)

Popular in

February

Cheapest in

September

Average price

$286
Provider with most accurate pricing for Rapid City-San Antonio flight deals.
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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. 11% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 Rapid City - SAT San Antonio

RAPSAT

Rapid City

Fri 10/16

4:41 pm-11:58 pm

1 stop6h 17m

San Antonio

Tue 10/20

5:30 am-9:28 am

1 stop4h 58m

$390

Rapid CitySan Antonio

RAP Rapid City - SAT San Antonio

RAPSAT

Rapid City

Thu 10/1

12:30 pm-8:42 pm

1 stop7h 12m

San Antonio

Mon 10/5

4:50 pm-10:30 pm

1 stop6h 40m

$399
Quickest round-trip

Rapid CitySan Antonio

RAP Rapid City - SAT San Antonio

RAPSAT

Rapid City

Sat 12/5

2:35 pm-8:34 pm

1 stop4h 59m

San Antonio

Wed 12/9

8:45 am-1:03 pm

1 stop5h 18m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Sorted by cheapest first

Compare providers for flights from Rapid City to San Antonio

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 September.
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

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, September is the cheapest month in which you can book a flight from Rapid City to San Antonio (average of $286). Flying from Rapid City to San Antonio in February is currently the most expensive (average of $514). 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

See what other customers who have flown with United 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
10,214 reviews

Food

6.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.4
Good
10,214 reviews
United Airlines
7.4
Good
10,214 reviews

Food

6.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • 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 6h 17m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 1033 mi.

  • What is the cheapest airline to fly from Rapid City to San Antonio round-trip?

    Cheapflights users have booked flights from Rapid City to San Antonio round-trip from $258. 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, September is the cheapest month in which you can book a flight from Rapid City to San Antonio (average of $286). Flying from Rapid City to San Antonio in February is currently the most expensive (average of $514). 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 airline flying from Rapid City to San Antonio

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$398FlexibilityNo cancel feeOn-time69%

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