$152 Cheap Flights from Rapid City (RAP) to Charleston (CHS)

View $152 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS)

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Cheap Flights from Rapid City to Charleston (RAP-CHS)

Prices were available within the past 7 days and start at $152 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 3 - Sat, Sep 6
RAP
Rapid City
CHS
Charleston
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 3 from Rapid City to Charleston, returning Sat, Sep 6, priced at $269 found 1 day ago
United
Thu, Sep 4 - Mon, Sep 8
RAP
Rapid City
CHS
Charleston
$274 Roundtrip, found 20 hours ago
$274
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Sep 4 from Rapid City to Charleston, returning Mon, Sep 8, priced at $274 found 20 hours ago
Delta
Fri, Sep 5 - Sat, Sep 13
RAP
Rapid City
CHS
Charleston
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 5 from Rapid City to Charleston, returning Sat, Sep 13, priced at $279 found 1 day ago
Delta
Tue, Feb 17 - Wed, Mar 4
RAP
Rapid City
CHS
Charleston
$286 Roundtrip, found 4 days ago
$286
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Feb 17 from Rapid City to Charleston, returning Wed, Mar 4, priced at $286 found 4 days ago
United
Thu, Sep 4 - Mon, Sep 8
RAP
Rapid City
CHS
Charleston
$290 Roundtrip, found 20 hours ago
$290
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Sep 4 from Rapid City to Charleston, returning Mon, Sep 8, priced at $290 found 20 hours ago
Delta
Sun, Nov 16 - Tue, Dec 2
RAP
Rapid City
CHS
Charleston
$291 Roundtrip, found 4 days ago
$291
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Nov 16 from Rapid City to Charleston, returning Tue, Dec 2, priced at $291 found 4 days ago
Delta
Tue, Feb 17 - Tue, Mar 3
RAP
Rapid City
CHS
Charleston
$303 Roundtrip, found 4 days ago
$303
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Feb 17 from Rapid City to Charleston, returning Tue, Mar 3, priced at $303 found 4 days ago
Delta
Tue, Oct 7 - Tue, Oct 14
RAP
Rapid City
CHS
Charleston
$305 Roundtrip, found 5 days ago
$305
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 7 from Rapid City to Charleston, returning Tue, Oct 14, priced at $305 found 5 days ago
American Airlines
Thu, Sep 4 - Mon, Sep 8
RAP
Rapid City
CHS
Charleston
$308 Roundtrip, found 20 hours ago
$308
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Thu, Sep 4 from Rapid City to Charleston, returning Mon, Sep 8, priced at $308 found 20 hours ago
United
Wed, Sep 3 - Thu, Sep 4
RAP
Rapid City
CHS
Charleston
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 3 from Rapid City to Charleston, returning Thu, Sep 4, priced at $308 found 2 days ago

Find the cheapest month to fly from Rapid City (RAP) to Charleston (CHS)

July is typically the cheapest month to fly

From $268 - $494 per traveler.

Graph displaying average flight prices per month

Alternative airports near Charleston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Charleston Intl. CHS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $379
CHS
Charleston Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $379
Flights from Rapid City (RAP) to Charleston (CHS)
Origin airport
Rapid City Regional
Destination airport
Charleston Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$268
Distance
1456 mi

Rapid City to Charleston Flights

The cheapest times to fly from Rapid City to Charleston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rapid City to Charleston are during the month of September. You can find some of the cheapest flights from Rapid City to Charleston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rapid City to Charleston

Sunday is one of the best days to book for cheap flights from Rapid City to Charleston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rapid City to Charleston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rapid City to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $152 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rapid City to Charleston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rapid City to Charleston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS) cost?
Lock in a cheap one-way flight from $152 or cheap return flight from $269 from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS)?
The cheapest month to fly from RAP to CHS is September, when demand is low. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest RAP to CHS flight.
How many flights per day from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS)?
Direct flights from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RAP to CHS?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS)?
Select a flight from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS) last-minute?
Last-minute bookings from RAP to CHS are typically more expensive. To lock in the cheapest rates, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, you may find a cheap ticket right before you leave.
Is it cheaper to book a RAP to CHS flight and hotel package?
You can save money by securing a RAP to CHS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Charleston Intl. Airport (CHS)?
It's usually possible to cancel or reschedule your RAP to CHS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.