HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$290+ Cheap flights from Rapid City to Charleston (RAP - CHS)

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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — CHS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City to Charleston 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 Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Charleston (CHS). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$498
(United Airlines)

One-way from

$290
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$526
Provider with most accurate pricing for Rapid City-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Charleston flights.
Search Deals
From Rapid City to Charleston
Search Deals
One-way flight from Rapid City to Charleston
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Rapid City to Charleston

Cheapest flights from Rapid City to Charleston
Explore the most affordable flight options available from Rapid City to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/28. 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 6/131:38 pmRAP - CHS
1 stop5h 54mUnited Airlines
Thu 6/194:17 pmCHS - RAP
1 stop7h 43mUnited Airlines
Deal found 3/28$498
This American Airlines deal was found by Cheapflights users on 3/28. 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 6/1312:49 pmRAP - CHS
2 stops7h 13mAmerican Airlines
Thu 6/1911:14 amCHS - RAP
2 stops8h 30mAmerican Airlines
Deal found 3/28$696

Cheapflights Fare Finder

Customize your flight search to find flights from Rapid City to Charleston 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 March 28, 2025.
Use the filters below to find and compare flights from Rapid City to Charleston that are best for you.

Fly from

Rapid City

Fly to

Charleston

Route

Depart

Return

Price

Rapid CityCharleston

RAP - CHS

RAPCHS

Rapid City

Fri 6/13

1:38 pm-9:32 pm

1 stop5h 54m

Charleston

Thu 6/19

4:17 pm-10:00 pm

1 stop7h 43m

$498

Rapid CityCharleston

RAP - CHS

RAPCHS

Rapid City

Fri 6/13

12:49 pm-10:02 pm

2 stops7h 13m

Charleston

Thu 6/19

11:14 am-5:44 pm

2 stops8h 30m

$696

Rapid CityCharleston

RAP - CHS

RAPCHS

Rapid City

Sun 6/15

4:39 pm-12:46 am

1 stop6h 07m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Compare providers for flights from Rapid City to Charleston

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 Charleston in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Charleston 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-Charleston 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 Charleston

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

What is the cheapest month to book a flight from Rapid City to Charleston?

Currently, August is the cheapest month in which you can book a flight from Rapid City to Charleston (average of $217). Flying from Rapid City to Charleston in March is currently the most expensive (average of $335). 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 Charleston by month

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

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

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

If weather is an important factor for your trip to Charleston, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. 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 Charleston. Reviews last updated March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Charleston. 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 Charleston round-trip?

    Currently priced at $498, United Airlines will fly you from Rapid City to Charleston and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $696. United Airlines is priced at 9% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rapid City to Charleston 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 Charleston?

    Currently, August is the cheapest month in which you can book a flight from Rapid City to Charleston (average of $217). Flying from Rapid City to Charleston in March is currently the most expensive (average of $335). 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
North Charleston
Summerville
Santee
Mount Pleasant
Isle of Palms
Folly Beach
Walterboro
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Rapid City to Charleston

Discover the top 2 airlines that operate flights from Rapid City to Charleston. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$526FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$335Average$488FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.