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Reagan-National

$140+ Cheap flights from Charleston (CHS) to Reagan-National (DCA)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — DCA
Apr 24 — May 11
Fri 4/24
Fri 5/1
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to Washington, D.C. Reagan-National are usually found in August or May, booked 78 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Charleston to Reagan-National

Cheapest flights from Charleston to Reagan-National
Explore the most affordable flight options available from Charleston to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2026.

This Southwest deal was found by Cheapflights users on 3/20. 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 4/131:15 pm
CHS
-
DCA
1 stop5h 40m
Southwest
Wed 4/153:40 pm
DCA
-
CHS
1 stop5h 25m
Southwest
Deal found 3/20$182
This Southwest deal was found by Cheapflights users on 3/23. 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 4/147:15 am
CHS
-
DCA
1 stop7h 05m
Southwest
Tue 4/2111:35 am
DCA
-
CHS
2 stops8h 25m
Southwest
Deal found 3/23$187
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 4/147:40 pm
CHS
-
DCA
Nonstop1h 50m
American Airlines
Tue 4/213:28 pm
DCA
-
CHS
Nonstop1h 53m
American Airlines
Deal found 3/24$191
This American Airlines deal was found by Cheapflights users on 3/20. 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 5/217:50 pm
CHS
-
DCA
1 stop4h 04m
American Airlines
Tue 6/28:12 pm
DCA
-
CHS
Nonstop1h 41m
American Airlines
Deal found 3/20$201
This American Airlines deal was found by Cheapflights users on 3/20. 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 4/95:23 pm
CHS
-
DCA
Nonstop1h 51m
American Airlines
Wed 4/228:32 am
DCA
-
CHS
Nonstop2h 05m
American Airlines
Deal found 3/20$206
This Delta deal was found by Cheapflights users on 3/24. 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 4/225:20 am
CHS
-
DCA
1 stop3h 49m
Delta
Tue 4/286:00 pm
DCA
-
CHS
1 stop3h 55m
Delta
Deal found 3/24$211
This Delta deal was found by Cheapflights users on 3/20. 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.
Thu 5/215:55 pm
CHS
-
DCA
1 stop5h 29m
Delta
Tue 6/212:27 pm
DCA
-
CHS
1 stop5h 26m
Delta
Deal found 3/20$213
This Southwest deal was found by Cheapflights users on 3/24. 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.
Thu 4/166:00 am
CHS
-
DCA
1 stop6h 05m
Southwest
Sat 4/181:00 pm
DCA
-
CHS
1 stop5h 35m
Southwest
Deal found 3/24$214
This Southwest deal was found by Cheapflights users on 3/20. 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.
Thu 5/212:15 pm
CHS
-
DCA
1 stop8h 25m
Southwest
Tue 6/26:00 am
DCA
-
CHS
1 stop6h 25m
Southwest
Deal found 3/20$217
This Southwest deal was found by Cheapflights users on 3/24. 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 5/17:40 am
CHS
-
DCA
1 stop6h 20m
Southwest
Tue 5/511:35 am
DCA
-
CHS
2 stops8h 25m
Southwest
Deal found 3/24$220

Find flight deals from Charleston to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Reagan-National (DCA). 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 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$182
(Southwest)

One-way from

$140
(Southwest)

Popular in

March

Cheapest in

August

Average price

$354

Good round-trip deal

$242 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for Charleston-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Washington, D.C. Reagan-National flights.
Search Deals
From Charleston to Washington, D.C. Reagan-National
Search Deals
One-way flight from Charleston to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Charleston to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Charleston to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to Reagan-National 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 25, 2026.
Use the filters below to find and compare flights from Charleston to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Tue 4/14

6:40 am-6:10 pm

2 stops11h 30m

Washington, D.C. Reagan-National

Tue 4/21

11:35 am-8:00 pm

2 stops8h 25m

$192

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Thu 5/21

5:55 pm-11:24 pm

1 stop5h 29m

Washington, D.C. Reagan-National

Tue 6/2

12:27 pm-5:53 pm

1 stop5h 26m

$213

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Thu 4/16

7:40 am-2:00 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Mon 4/20

2:45 pm-9:55 pm

2 stops7h 10m

$220

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Mon 6/1

3:00 pm-11:25 pm

1 stop8h 25m

Washington, D.C. Reagan-National

Fri 6/5

4:10 pm-9:35 pm

1 stop5h 25m

$231

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Fri 5/1

6:00 am-6:05 pm

2 stops12h 05m

Washington, D.C. Reagan-National

Tue 5/5

11:35 am-8:00 pm

2 stops8h 25m

$242
Quickest round-trip

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Fri 7/3

6:00 pm-10:59 pm

1 stop4h 59m

Washington, D.C. Reagan-National

Sun 7/12

6:00 am-9:42 am

1 stop3h 42m

$269

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Sat 4/25

5:20 am-11:29 am

1 stop6h 09m

Washington, D.C. Reagan-National

Sat 5/2

1:40 pm-6:52 pm

1 stop5h 12m

$269

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Thu 5/14

1:15 pm-6:55 pm

1 stop5h 40m

Washington, D.C. Reagan-National

Mon 5/18

7:25 am-6:20 pm

2 stops10h 55m

$280

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Fri 5/15

7:40 am-4:35 pm

1 stop8h 55m

Washington, D.C. Reagan-National

Mon 5/18

7:25 am-8:50 pm

2 stops13h 25m

$285
Cheapest one-way

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Wed 5/20

6:40 am-6:10 pm

2 stops11h 30m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Charleston to Reagan-National

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 Charleston to Reagan-National in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Charleston-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-Washington, D.C. Reagan-National Airport 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 Charleston-Washington, D.C. Reagan-National Airport 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 Charleston to Reagan-National

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

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

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Reagan-National. Price data was last updated on March 13, 2026.

The best time to book flights from Charleston to Washington, D.C. Reagan-National Airport is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Reagan-National Airport (average of $156). Flying from Charleston to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $189). 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 DCA?

Find hourly flight availability from Charleston to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2026.

It’s optimal to fly from Charleston to Washington, D.C. Reagan-National Airport at noon. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Charleston to Reagan-National. Price data was last updated on March 23, 2026.

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

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated March 25, 2026.
Read through reviews of airlines operating flights from Charleston to Washington, D.C. Reagan-National Airport, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,494 reviews

Entertainment

6.9

Boarding

7.5

Crew

7.9

Comfort

7.2

Overall

7.1

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,494 reviews
American Airlines
7.1
Good
11,494 reviews

Entertainment

6.9

Boarding

7.5

Crew

7.9

Comfort

7.2

Overall

7.1

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

Find useful and relevant information for your journey from Charleston to Reagan-National. 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 from for flights from Charleston to Washington, D.C. Reagan-National?

    Charleston (CHS) is the airport you will fly out of if you book a flight from Charleston to Washington, D.C. Reagan-National. You should not have trouble finding flights to Washington, D.C. Reagan-National from Charleston; the airport handles an average of 5 outbound flights to Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Charleston airport to Washington, D.C. Reagan-National. It is only a 10.2 mi journey to Charleston (CHS) from Charleston’s city center.

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

    Departing from Charleston to Washington, D.C. Reagan-National Airport will take you 1h 37m. Charleston and Washington, D.C. Reagan-National Airport are separated by a distance of 444 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Charleston to Washington, D.C. Reagan-National Airport round-trip?

    According to our current data, American Airlines ($180), offers the cheapest pricing from Charleston to Washington, D.C. Reagan-National Airport. This flight start at 33% lower than the current average price 3 months from now.

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

    No one likes to see their flight delayed. When booking a flight from Charleston to Washington, D.C. Reagan-National Airport consider choosing Republic Airways (67%), Alaska Airlines (60%) or American Airlines (59%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $376 for a flight from Charleston to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $138 while the most popular route, (Charleston - Washington, D.C. Reagan-National) is currently priced at $182.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Reagan-National Airport (average of $156). Flying from Charleston to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $189). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

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Top airline flying from Charleston to Reagan-National

Discover the top airline that operate flights from Charleston to Reagan-National. 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 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$180Average$266FlexibilityNo cancel feeOn-time71%

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