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Rapid City

$175+ Cheap flights from Charleston to Rapid City (CHS - 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — RAP
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap flight deals from Charleston to Rapid City

Cheapest flights from Charleston to Rapid City
Explore the most affordable flight options available from Charleston to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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 8/254:30 pm
CHS
-
RAP
1 stop7h 58m
United Airlines
Tue 9/15:00 am
RAP
-
CHS
1 stop8h 28m
United Airlines
Deal found 7/27$339
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 am
CHS
-
RAP
2 stops10h 21m
Delta
Mon 10/262:32 pm
RAP
-
CHS
2 stops7h 27m
Delta
Deal found 7/23$349
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/216:30 am
CHS
-
RAP
1 stop5h 56m
United Airlines
Tue 8/251:31 pm
RAP
-
CHS
1 stop6h 03m
United Airlines
Deal found 7/26$429
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/2211:40 am
CHS
-
RAP
2 stops10h 57m
United Airlines
Wed 8/267:00 am
RAP
-
CHS
1 stop6h 30m
United Airlines
Deal found 7/26$434
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 10/223:41 pm
CHS
-
RAP
1 stop8h 15m
American Airlines
Mon 10/2610:24 am
RAP
-
CHS
1 stop6h 04m
American Airlines
Deal found 7/26$460

Find flight deals from Charleston to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) 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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(United Airlines)

One-way from

$175
(Kiwi.com)

Popular in

April

Cheapest in

November

Average price

$456
Provider with most accurate pricing for Charleston-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Rapid City flights.
Search Deals
From Charleston to Rapid City
Search Deals
One-way flight from Charleston to Rapid City
Search Deals
Highest demand for flights based on searches. 32% potential increase in price ($244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston 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 28, 2026.
Use the filters below to find and compare flights from Charleston to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Tue 8/25

4:30 pm-8:37 pm

1 stop6h 07m

Rapid City

Tue 9/1

7:00 am-3:28 pm

1 stop6h 28m

$339

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Thu 10/22

5:30 am-10:45 am

2 stops7h 15m

Rapid City

Mon 10/26

2:37 pm-11:59 pm

2 stops7h 22m

$349

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Sat 8/22

6:30 am-10:26 am

1 stop5h 56m

Rapid City

Wed 8/26

5:00 am-3:30 pm

1 stop8h 30m

$429
Cheapest one-way

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Wed 8/19

4:04 pm-3:55 pm

2 stops25h 51m

$175
Quickest one-way

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Wed 8/19

4:30 pm-8:37 pm

1 stop6h 07m

$329

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Tue 9/8

5:34 pm-10:18 pm

1 stop6h 44m

$400

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Tue 9/8

11:37 am-10:33 pm

2 stops12h 56m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Sorted by cheapest first

Compare providers for flights from Charleston 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 Charleston to Rapid City in July.
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 Charleston-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-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 Charleston-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 Charleston to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Charleston 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 Charleston to Rapid City

How much does it cost to fly round-trip from Charleston to Rapid City?

Airfare is typical for this route at the moment.

Charleston to Rapid City flights typically cost between $338 and $593 in August.
The cheapest round-trip price found within the last 5 days was $339 on United Airlines (Aug 25-Sep 1).

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 28, 2026.
See what other customers who have flown with United Airlines and American Airlines from Charleston to Rapid City 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
10,041 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,041 reviews
United Airlines
7.4
Good
10,041 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,836 reviews
United Airlines
7.4
Good
10,041 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Charleston to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Charleston to Rapid City?

    For as low as $339, United Airlines can have you in Rapid City from Charleston in 6h 07m. Charleston and Rapid City are separated by a distance of 1456 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Charleston to Rapid City round-trip?

    According to our current data, United Airlines ($289), and American Airlines ($338) offers the cheapest pricing from Charleston to Rapid City. These flights start at 43% lower than the current average price 3 months from now.

  • Can I find deals for flights from Charleston to Rapid City that include hotel bookings?

    Yes. In addition to deals on Charleston to Rapid City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to Rapid City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Rapid City.

  • Can I find deals for business class flights from Charleston to Rapid City?

    Yes. Cheapflights offers flight deals from Charleston to Rapid City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Keystone
Deadwood
Sturgis
Spearfish

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Alternative routes for Charleston to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Charleston to Rapid City

Discover the top 2 airlines that operate flights from Charleston 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$289Average$366FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$338Average$580FlexibilityNo cancel feeOn-time71%

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