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$109+ Cheap flights from Reagan-National (DCA) to Charleston (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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CHS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Charleston are usually found in July or May, booked 65 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap flight deals from Reagan-National to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 September 11, 2025.

Round-trip from

$198
(Delta)

One-way from

$109
(American Airlines)

Popular in

November

Cheapest in

July

Average price

$299

Good round-trip deal

$237 or less

Good one-way deal

$149 or less
From Washington, D.C. Reagan-National to Charleston
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One-way flight from Washington, D.C. Reagan-National to Charleston
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Highest demand for flights based on searches. 12% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Charleston.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Charleston.
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Find flight deals from Reagan-National to Charleston

Cheapest flights from Reagan-National to Charleston
Explore the most affordable flight options available from Reagan-National to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:00 amDCA - CHS
1 stop6h 14mDelta
Tue 9/306:20 amCHS - DCA
1 stop6h 20mDelta
Deal found 9/10$198
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.
Sat 9/2711:30 amDCA - CHS
Nonstop1h 45mAmerican Airlines
Tue 9/307:28 amCHS - DCA
Nonstop1h 32mAmerican Airlines
Deal found 9/10$199
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:40 amDCA - CHS
2 stops9h 35mSouthwest
Fri 11/76:15 amCHS - DCA
1 stop6h 50mSouthwest
Deal found 9/9$203
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:05 amDCA - CHS
1 stop6h 05mDelta
Mon 10/207:05 pmCHS - DCA
1 stop4h 36mDelta
Deal found 9/10$204
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:00 amDCA - CHS
1 stop7h 09mDelta
Tue 10/75:35 amCHS - DCA
1 stop3h 35mDelta
Deal found 9/9$209
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/612:00 pmDCA - CHS
2 stops10h 30mSouthwest
Wed 10/85:25 pmCHS - DCA
1 stop6h 15mSouthwest
Deal found 9/9$210
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:40 pmDCA - CHS
1 stop4h 29mDelta
Sat 10/45:42 pmCHS - DCA
1 stop5h 59mDelta
Deal found 9/9$214
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:30 pmDCA - CHS
1 stop7h 25mSouthwest
Mon 11/176:00 amCHS - DCA
1 stop4h 35mSouthwest
Deal found 9/10$215
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/103:30 pmDCA - CHS
1 stop7h 25mSouthwest
Thu 11/136:15 amCHS - DCA
2 stops11h 55mSouthwest
Deal found 9/9$218
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.
Fri 11/147:59 pmDCA - CHS
Nonstop1h 51mAmerican Airlines
Mon 11/177:44 pmCHS - DCA
Nonstop1h 45mAmerican Airlines
Deal found 9/10$219
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.
Sat 11/85:24 pmDCA - CHS
1 stop6h 32mAmerican Airlines
Tue 11/116:00 amCHS - DCA
Nonstop1h 29mAmerican Airlines
Deal found 9/10$220
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.
Sat 10/255:00 amDCA - CHS
1 stop3h 16mAmerican Airlines
Sat 11/17:01 amCHS - DCA
Nonstop1h 33mAmerican Airlines
Deal found 9/9$221

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 September 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Charleston that are best for you.

Fly from

Reagan-National

Fly to

Charleston

Route

Depart

Return

Price

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Sat 11/1

6:19 am-10:42 am

1 stop4h 23m

Charleston

Sat 11/8

12:59 pm-5:20 pm

1 stop4h 21m

$209

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Wed 10/8

6:19 am-10:42 am

1 stop4h 23m

Charleston

Tue 10/14

5:52 pm-10:51 pm

1 stop4h 59m

$209

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Wed 9/24

6:00 am-10:44 am

1 stop4h 44m

Charleston

Sat 10/4

8:05 am-12:40 pm

1 stop4h 35m

$214

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Tue 2/17

6:00 am-12:15 pm

1 stop6h 15m

Charleston

Sat 2/21

6:00 am-11:00 am

1 stop5h 00m

$217

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Wed 2/4

6:05 am-12:50 pm

1 stop6h 45m

Charleston

Fri 2/6

8:15 am-2:25 pm

1 stop6h 10m

$222

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Thu 10/2

8:00 am-4:16 pm

1 stop8h 16m

Charleston

Sun 10/5

9:40 am-6:06 pm

1 stop8h 26m

$223

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Tue 11/11

5:28 pm-7:14 pm

Nonstop1h 46m

Charleston

Wed 11/12

6:00 am-7:29 am

Nonstop1h 29m

$231

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Thu 11/6

6:00 am-10:42 am

1 stop4h 42m

Charleston

Mon 11/10

6:08 pm-10:54 pm

1 stop4h 46m

$232

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Thu 10/2

11:00 am-6:09 pm

1 stop7h 09m

Charleston

Mon 10/6

7:05 pm-11:41 pm

1 stop4h 36m

$232

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Mon 10/27

6:00 am-11:55 am

1 stop5h 55m

Charleston

Wed 10/29

6:30 am-12:00 pm

1 stop5h 30m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 22 results
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Best time to book a flight from Reagan-National to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Reagan-National 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 Washington, D.C. Reagan-National Airport to Charleston

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Charleston?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Charleston. Price data was last updated on August 29, 2025.

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Charleston may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Charleston?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Charleston (average of $217). Flying from Washington, D.C. Reagan-National Airport 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.

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

Find hourly flight availability from Reagan-National to Charleston. 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.

Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from Washington, D.C. Reagan-National Airport to Charleston by exploring options for tickets in the evening.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Charleston?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Charleston. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Charleston flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Washington, D.C. Reagan-National Airport to Charleston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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 Reagan-National to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Charleston from Washington, D.C. Reagan-National?

    Located just 10.2 mi from the city center, Charleston is the airport most travelers will use when flying to Charleston from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Charleston (CHS) should be relatively easy as there are 5 daily inbound flights from Washington, D.C. Reagan-National from 3 different airlines.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Charleston?

    Airlines like Delta and Southwest fly from Washington, D.C. Reagan-National Airport to Charleston in about 4h 23m. The time it takes to get you to your destination can typically vary by up to 1h 52m. There are 444 mi between Washington, D.C. Reagan-National Airport and Charleston. 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 Washington, D.C. Reagan-National Airport to Charleston round-trip?

    Currently priced at $186, Delta will fly you from Washington, D.C. Reagan-National Airport to Charleston and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $189 and $249, respectively. Delta is priced at 42% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Charleston?

    Before booking your flight to Charleston from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: PSA Airlines (69%), American Airlines (61%), Alaska Airlines( 55%).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Charleston?

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Washington, D.C. Reagan-National - Charleston) can be booked for $130 on average, our data indicates $264 when flying from Washington, D.C. Reagan-National Airport to Charleston.

  • Can I find deals for flights from Reagan-National to Charleston that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Charleston?

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

  • Can I find deals for business class flights from Reagan-National to Charleston?

    Yes. Cheapflights offers flight deals from Reagan-National 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 Washington, D.C. Reagan-National Airport to Charleston?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Charleston (average of $217). Flying from Washington, D.C. Reagan-National Airport 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 Charleston?

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Santee
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Reagan-National to Charleston

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Top 3 airlines flying from Reagan-National to Charleston

Discover the top 3 airlines that operate flights from Reagan-National 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$186Average$228FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$318FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$343FlexibilityNo cancel feeOn-time69%

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