$226+ Cheap flights from St. Louis to Rapid City (STL - RAP)
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RAP
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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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
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Cheapest
Best
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One-way
Cheapest flights from St. Louis to Rapid CityExplore the most affordable flight options available from St. Louis to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from St. Louis to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Sun 9/205:43 am
STL
- RAP
1 stop5h 04m
American Airlines
Wed 9/304:56 pm
RAP
- STL
1 stop5h 47m
American Airlines
Deal found 7/19![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 7/21. 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 8/285:34 pm
STL
- RAP
1 stop6h 03m
Delta
Sat 9/510:46 am
RAP
- STL
1 stop4h 58m
Delta
Deal found 7/21![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/55:10 am
STL
- RAP
1 stop5h 09m
United Airlines
Tue 8/181:31 pm
RAP
- STL
1 stop7h 29m
United Airlines
Deal found 7/19![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 9/165:43 am
STL
- RAP
1 stop5h 04m
American Airlines
Mon 9/216:07 pm
RAP
- STL
1 stop5h 20m
American Airlines
Deal found 7/21![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/191:36 pm
STL
- RAP
1 stop4h 30m
United Airlines
Mon 8/241:31 pm
RAP
- STL
1 stop7h 29m
United Airlines
Deal found 7/22![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Wed 9/912:46 pm
STL
- RAP
1 stop24h 00m
Multiple Airlines
Sun 9/133:34 pm
RAP
- STL
2 stops26h 41m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 7/20. 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 7/316:00 am
STL
- RAP
1 stop5h 24m
United Airlines
Mon 8/39:00 am
RAP
- STL
1 stop6h 33m
United Airlines
Deal found 7/20![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 7/21. 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.
Sun 8/306:20 am
STL
- RAP
1 stop4h 42m
Delta
Fri 9/42:32 pm
RAP
- STL
1 stop18h 51m
Delta
Deal found 7/21![Delta logo]()
$372
Best flights from St. Louis to Rapid CityDiscover carefully curated flight deals from St. Louis to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from St. Louis to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/19. 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 10/131:36 pm
STL
- RAP
1 stop6h 42m
United Airlines
Tue 10/205:53 pm
RAP
- STL
1 stop4h 51m
United Airlines
Deal found 7/19![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Sun 9/205:43 am
STL
- RAP
1 stop5h 04m
American Airlines
Wed 9/3012:47 pm
RAP
- STL
2 stops10h 40m
American Airlines
Deal found 7/20![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 7/21. 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 8/285:34 pm
STL
- RAP
1 stop6h 03m
Delta
Sat 9/510:46 am
RAP
- STL
1 stop4h 58m
Delta
Deal found 7/21![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/55:10 am
STL
- RAP
1 stop5h 09m
United Airlines
Tue 8/181:31 pm
RAP
- STL
1 stop7h 29m
United Airlines
Deal found 7/19![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 7/19. 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 12/84:30 pm
STL
- RAP
1 stop5h 03m
United Airlines
Sat 12/127:05 am
RAP
- STL
1 stop4h 38m
United Airlines
Deal found 7/19![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/84:40 pm
STL
- RAP
1 stop6h 53m
United Airlines
Tue 9/1510:11 am
RAP
- STL
1 stop5h 23m
United Airlines
Deal found 7/21![United Airlines logo]()
$402
This United Airlines deal was found by Cheapflights users on 7/19. 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 10/19:00 am
STL
- RAP
1 stop7h 49m
United Airlines
Thu 10/81:00 pm
RAP
- STL
1 stop6h 36m
United Airlines
Deal found 7/19![United Airlines logo]()
$489
Last-minute flights from St. Louis to Rapid CityDiscover last-minute flight deals from St. Louis to Rapid City. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Rapid City. Data last updated July 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/20. 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 7/316:00 am
STL
- RAP
1 stop5h 24m
United Airlines
Mon 8/39:00 am
RAP
- STL
1 stop6h 33m
United Airlines
Deal found 7/20![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/55:10 am
STL
- RAP
1 stop5h 09m
United Airlines
Tue 8/181:31 pm
RAP
- STL
1 stop7h 29m
United Airlines
Deal found 7/19![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/111:36 pm
STL
- RAP
1 stop4h 30m
United Airlines
Tue 8/181:31 pm
RAP
- STL
1 stop7h 29m
United Airlines
Deal found 7/21![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/116:00 am
STL
- RAP
2 stops11h 34m
American Airlines
Tue 8/185:06 pm
RAP
- STL
1 stop5h 36m
American Airlines
Deal found 7/21![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/155:11 pm
STL
- RAP
1 stop5h 24m
American Airlines
Fri 8/2112:39 pm
RAP
- STL
2 stops10h 35m
American Airlines
Deal found 7/21![American Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/191:36 pm
STL
- RAP
1 stop4h 30m
United Airlines
Mon 8/241:31 pm
RAP
- STL
1 stop7h 29m
United Airlines
Deal found 7/22![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 8/1910:16 am
STL
- RAP
1 stop7h 18m
American Airlines
Mon 8/2412:39 pm
RAP
- STL
2 stops10h 35m
American Airlines
Deal found 7/21![American Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 7/21. 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 8/285:34 pm
STL
- RAP
1 stop6h 03m
Delta
Tue 9/84:31 pm
RAP
- STL
1 stop5h 45m
Delta
Deal found 7/21![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/286:00 am
STL
- RAP
2 stops11h 34m
American Airlines
Tue 9/85:06 pm
RAP
- STL
1 stop5h 36m
American Airlines
Deal found 7/21![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/286:00 am
STL
- RAP
2 stops11h 34m
American Airlines
Wed 9/212:39 pm
RAP
- STL
2 stops10h 35m
American Airlines
Deal found 7/21![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 7/21. 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.
Sun 8/306:20 am
STL
- RAP
1 stop4h 42m
Delta
Fri 9/42:32 pm
RAP
- STL
1 stop18h 51m
Delta
Deal found 7/21![Delta logo]()
$372
One-way flights from St. Louis to Rapid CitySearch for one-way flight options from St. Louis to Rapid City. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from St. Louis to Rapid City. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. 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 9/19:32 am
STL
- RAP
2 stops13h 03m
American Airlines
Deal found 7/21![American Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/2210:35 am
STL
- RAP
3 stops53h 09m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/36:59 pm
STL
- RAP
1 stop4h 34m
United Airlines
Deal found 7/23![United Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Sat 8/87:10 pm
STL
- RAP
1 stop27h 06m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Fri 8/74:09 pm
STL
- RAP
2 stops54h 07m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$327
This deal was found by Cheapflights users on 7/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:40 pm
STL
- RAP
1 stop6h 48m
United Airlines
Deal found 7/23![United Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/74:48 pm
STL
- RAP
1 stop6h 37m
United Airlines
Deal found 7/21![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 7/20. 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 7/319:08 am
STL
- RAP
1 stop6h 47m
American Airlines
Deal found 7/20![American Airlines logo]()
$398
Find flight deals from St. Louis to Rapid City
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Rapid City (RAP). 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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (American Airlines) |
One-way from | $226 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $420 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Rapid City 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 July 23, 2026.
Use the filters below to find and compare flights from St. Louis to Rapid City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Tue 10/13
1:36 pm-7:18 pm
1 stop6h 42m
Rapid City
Tue 10/20
5:53 pm-11:44 pm
1 stop4h 51m
$309
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Sun 9/20
5:43 am-9:47 am
1 stop5h 04m
Rapid City
Wed 9/30
12:47 pm-12:27 am
2 stops10h 40m
$314
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Fri 8/28
5:34 pm-10:37 pm
1 stop6h 03m
Rapid City
Sat 9/5
10:46 am-4:44 pm
1 stop4h 58m
$319
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Wed 8/5
5:10 am-9:19 am
1 stop5h 09m
Rapid City
Tue 8/18
1:31 pm-10:00 pm
1 stop7h 29m
$324
Quickest round-trip
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Tue 12/8
4:30 pm-8:33 pm
1 stop5h 03m
Rapid City
Sat 12/12
7:05 am-12:43 pm
1 stop4h 38m
$389
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Tue 9/8
4:40 pm-10:33 pm
1 stop6h 53m
Rapid City
Tue 9/15
10:11 am-4:34 pm
1 stop5h 23m
$402
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Thu 10/1
9:00 am-3:49 pm
1 stop7h 49m
Rapid City
Thu 10/8
1:00 pm-8:36 pm
1 stop6h 36m
$489
Cheapest one-way
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Tue 9/1
9:32 am-9:35 pm
2 stops13h 03m
$226
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Tue 9/22
3:52 pm-10:18 pm
1 stop7h 26m
$269
Quickest one-way
St. LouisRapid City
STL - RAP
STLRAP
Lambert-St Louis
Thu 9/3
6:59 pm-10:33 pm
1 stop4h 34m
$274
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Rapid City
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 St. Louis to Rapid City in July.
| 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 St. Louis-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Rapid City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Rapid City 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 St. Louis-Rapid City 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 St. Louis to Rapid City
Have a flexible travel schedule? Discover the best time to fly to Rapid City from St. Louis with our price prediction graph.
STL-RAP
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 St. Louis to Rapid City
What is the cheapest month to book a flight from St. Louis to Rapid City?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Rapid City (average of $289). Flying from St. Louis to Rapid City in December is currently the most expensive (average of $458). 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.
How much does it cost to fly round-trip from St. Louis to Rapid City?
Airfare is below average for this route at the moment.
St. Louis to Rapid City flights typically cost between $329 and $458 in September.The cheapest round-trip price found within the last 5 days was $309 on American Airlines (Sep 20-Sep 30).
Reviews of airlines servicing Rapid City
Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated July 23, 2026.
Read through reviews of airlines operating flights from St. Louis to Rapid City, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Rapid City. 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 Rapid City?
Book flights to Rapid City if you plan to visit one of these locationsKeystone
Deadwood
Sturgis
Spearfish
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St. Louis and Rapid City flights
Browse other St. Louis and Rapid City flight options. Last updated on July 23, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Rapid City
Explore flights to Rapid City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Top 3 airlines flying from St. Louis to Rapid City
Discover the top 3 airlines that operate flights from St. Louis to Rapid City. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$398 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$373 | FlexibilityNo cancel fee | On-time69% |