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$152+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — CHS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$312
(American Airlines)

One-way from

$152
(Delta)

Popular in

December

Cheapest in

August

Average price

$437
From Rapid City to Charleston
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One-way flight from Rapid City to Charleston
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Highest demand for flights based on searches. 20% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 9/86:12 pmRAP - CHS
1 stop15h 18mAmerican Airlines
Sat 9/132:54 pmCHS - RAP
1 stop7h 59mAmerican Airlines
Deal found 6/11$312
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 9/87:00 amRAP - CHS
1 stop6h 10mUnited Airlines
Tue 9/164:12 pmCHS - RAP
1 stop7h 47mUnited Airlines
Deal found 6/11$434
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1210:04 pmRAP - CHS
2 stops32h 33mMultiple Airlines
Wed 6/182:48 pmCHS - RAP
3 stops32h 24mMultiple Airlines
Deal found 6/11$1,045

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 June 12, 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

Mon 9/8

6:12 pm-11:30 am

1 stop15h 18m

Charleston

Sat 9/13

2:54 pm-8:53 pm

1 stop7h 59m

$312

Rapid CityCharleston

RAP - CHS

RAPCHS

Rapid City

Mon 9/8

7:00 am-3:10 pm

1 stop6h 10m

Charleston

Tue 9/16

4:12 pm-9:59 pm

1 stop7h 47m

$434

Rapid CityCharleston

RAP - CHS

RAPCHS

Rapid City

Tue 10/7

6:20 am-2:08 pm

1 stop5h 48m

$152

Rapid CityCharleston

RAP - CHS

RAPCHS

Rapid City

Tue 10/7

5:47 am-7:14 pm

2 stops11h 27m

$157

Rapid CityCharleston

RAP - CHS

RAPCHS

Rapid City

Tue 10/7

8:30 am-11:44 pm

3 stops13h 14m

$202

Rapid CityCharleston

RAP - CHS

RAPCHS

Rapid City

Sat 7/5

10:14 am-12:05 pm

3 stops23h 51m

$388

Rapid CityCharleston

RAP - CHS

RAPCHS

Rapid City

Sat 7/5

10:14 am-2:36 pm

2 stops26h 22m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $312, American Airlines will fly you from Rapid City to Charleston and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $434. American Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Rapid City to Charleston one-way?

    One-way options have recently been found by users for as low as $152 on Delta. Other airlines that offer cheap prices include American Airlines from $157 and United Airlines from $202 one-way.

  • 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
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$499FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$323Average$453FlexibilityNo cancel feeOn-time71%

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