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Rapid City

$162+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — RAP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$368
(American Airlines)

One-way from

$162
(United Airlines)

Popular in

November

Cheapest in

October

Average price

$442
From Charleston to Rapid City
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One-way flight from Charleston to Rapid City
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Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 9/2511:59 amCHS - RAP
1 stop7h 43mAmerican Airlines
Mon 9/296:12 pmRAP - CHS
1 stop15h 18mAmerican Airlines
Deal found 9/10$368
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/276:02 amCHS - RAP
1 stop6h 11mUnited Airlines
Wed 10/17:00 amRAP - CHS
1 stop6h 27mUnited Airlines
Deal found 9/8$374
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/162:26 pmCHS - RAP
1 stop9h 24mAmerican Airlines
Thu 10/3012:18 pmRAP - CHS
2 stops9h 41mAmerican Airlines
Deal found 9/9$524
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 9/286:02 amCHS - RAP
1 stop6h 11mUnited Airlines
Tue 9/307:00 amRAP - CHS
1 stop6h 14mUnited Airlines
Deal found 9/9$584

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 September 11, 2025.
Use the filters below to find and compare flights from Charleston to Rapid City that are best for you.

Fly from

Charleston

Fly to

Rapid City

Route

Depart

Return

Price

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Thu 9/25

11:59 am-5:42 pm

1 stop7h 43m

Rapid City

Mon 9/29

6:12 pm-11:30 am

1 stop15h 18m

$368

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Sat 9/27

6:02 am-10:13 am

1 stop6h 11m

Rapid City

Wed 10/1

7:00 am-3:27 pm

1 stop6h 27m

$374

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Thu 10/16

2:26 pm-9:50 pm

1 stop9h 24m

Rapid City

Thu 10/30

12:18 pm-11:59 pm

2 stops9h 41m

$524

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Sun 9/28

6:02 am-10:13 am

1 stop6h 11m

Rapid City

Tue 9/30

7:00 am-3:14 pm

1 stop6h 14m

$584

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Fri 10/10

4:35 pm-8:34 pm

1 stop5h 59m

$162

CharlestonRapid City

CHS - RAP

CHSRAP

Charleston

Fri 10/10

9:23 pm-5:08 pm

2 stops45h 45m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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

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

Currently, January is the cheapest month in which you can book a flight from Charleston to Rapid City (average of $348). Flying from Charleston to Rapid City in June is currently the most expensive (average of $502). 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.

What is the cheapest time of day to fly from CHS to RAP?

Find hourly flight availability from Charleston to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from Charleston to Rapid City at noon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.

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

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 September 11, 2025.
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
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

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
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

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 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 $374, American Airlines can have you in Rapid City from Charleston in 6h 11m. 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, American Airlines ($268), and United Airlines ($274) offers the cheapest pricing from Charleston to Rapid City. These flights start at 36% 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.

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

    Currently, January is the cheapest month in which you can book a flight from Charleston to Rapid City (average of $348). Flying from Charleston to Rapid City in June is currently the most expensive (average of $502). 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
Deadwood
Keystone
Sturgis
Spearfish

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$428FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$274Average$413FlexibilityNo cancel feeOn-time69%

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