$309+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SAT
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rapid City to San Antonio
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Best
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Cheapest flights from Rapid City to San AntonioExplore 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 September 6, 2026.
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 September 6, 2026.
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 9/254:56 pm -
1 stop4h 54m
Sun 9/276:00 am -
1 stop4h 47m
Deal found 9/1![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/1. 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 12/57:00 am -
1 stop5h 05m
Wed 12/91:35 pm -
1 stop6h 46m
Deal found 9/1![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1710:11 am -
1 stop5h 44m
Mon 9/214:12 pm -
2 stops7h 21m
Deal found 9/1![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/111:17 am -
1 stop4h 35m
Thu 10/85:30 am -
1 stop4h 58m
Deal found 9/3![United Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1211:22 am -
1 stop4h 28m
Wed 9/169:10 am -
1 stop4h 14m
Deal found 9/1![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1211:22 am -
1 stop4h 28m
Sat 9/194:12 pm -
2 stops7h 14m
Deal found 9/1![United Airlines logo]()
$474
Best flights from Rapid City to San AntonioDiscover carefully curated flight deals from Rapid City to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Rapid City to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1712:30 pm -
1 stop7h 22m
Mon 9/211:45 pm -
1 stop5h 07m
Deal found 9/1![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 12/57:00 am -
1 stop5h 05m
Wed 12/91:35 pm -
1 stop6h 46m
Deal found 9/3![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/165:48 pm -
1 stop5h 09m
Sat 9/194:45 pm -
1 stop6h 41m
Deal found 9/1![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/178:40 am -
1 stop7h 15m
Sat 9/194:12 pm -
2 stops7h 14m
Deal found 9/1![United Airlines logo]()
$474
Last-minute flights from Rapid City to San AntonioDiscover last-minute flight deals from Rapid City to San Antonio. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to San Antonio. Data last updated September 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1211:22 am -
1 stop4h 28m
Wed 9/169:10 am -
1 stop4h 14m
Deal found 9/1![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1211:22 am -
1 stop4h 28m
Sat 9/194:12 pm -
2 stops7h 14m
Deal found 9/1![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1211:22 am -
1 stop4h 28m
Thu 9/174:45 pm -
1 stop4h 53m
Deal found 9/1![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/161:36 pm -
2 stops8h 08m
Sat 9/194:12 pm -
2 stops7h 14m
Deal found 9/1![United Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1712:30 pm -
1 stop7h 22m
Mon 9/211:45 pm -
1 stop5h 07m
Deal found 9/1![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 9/254:56 pm -
1 stop4h 54m
Sun 9/276:00 am -
1 stop4h 47m
Deal found 9/1![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/111:17 am -
1 stop4h 35m
Thu 10/85:30 am -
1 stop4h 58m
Deal found 9/3![United Airlines logo]()
$466
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/24:56 pm -
1 stop4h 54m
Thu 10/85:00 am -
1 stop5h 54m
Deal found 9/2![American Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 10/1012:30 pm -
1 stop7h 12m
Thu 10/154:50 pm -
1 stop6h 40m
Deal found 9/4![United Airlines logo]()
$486
One-way flights from Rapid City to San AntonioSearch for one-way flight options from Rapid City to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from Rapid City to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/67:05 am -
1 stop4h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$309
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (American Airlines) |
One-way from | $309 (United Airlines) |
Popular in | February |
Cheapest in | September |
Average price | $286 |
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 7,457,451 searches. Data last updated September 6, 2026.
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
Cheapest round-trip
Quickest round-trip
Rapid CitySan Antonio
RAP Rapid City - SAT San Antonio
RAPSAT
Rapid City
Tue 10/6
7:05 am-12:58 pm
1 stop4h 53m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$309
Rapid CitySan Antonio
RAP Rapid City - SAT San Antonio
RAPSAT
Rapid City
Thu 9/17
12:30 pm-8:52 pm
1 stop7h 22m
San Antonio
Mon 9/21
1:45 pm-5:52 pm
1 stop5h 07m
$379
Rapid CitySan Antonio
RAP Rapid City - SAT San Antonio
RAPSAT
Rapid City
Sat 12/5
7:00 am-1:05 pm
1 stop5h 05m
San Antonio
Wed 12/9
1:35 pm-7:21 pm
1 stop6h 46m
$379
Rapid CitySan Antonio
RAP Rapid City - SAT San Antonio
RAPSAT
Rapid City
Wed 9/16
5:48 pm-11:57 pm
1 stop5h 09m
San Antonio
Sat 9/19
4:45 pm-10:26 pm
1 stop6h 41m
$469
Rapid CitySan Antonio
RAP Rapid City - SAT San Antonio
RAPSAT
Rapid City
Thu 9/17
8:40 am-4:55 pm
1 stop7h 15m
San Antonio
Sat 9/19
4:12 pm-10:26 pm
2 stops7h 14m
$474
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
RAP-SAT
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
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 September 6, 2026.
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.
Comfort
7.3
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
2.0
MediocreIsaac,May 2024
SHV - IAH
Comfort
7.3
Boarding
7.7
Overall
7.4
Food
6.6
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
2.0
MediocreIsaac,May 2024
SHV - IAH
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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Rapid City and San Antonio flights
Browse other Rapid City and San Antonio flight options. Last updated on September 6, 2026.
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Top airline flying from Rapid City to San Antonio
Discover the top airline 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 7,457,451 searches. Data last updated September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$398 | FlexibilityNo cancel fee | On-time69% |