HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$89+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — DCA
Jul 16 — Jul 231
Wed 7/16
Wed 7/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Charleston to Washington, D.C. Reagan-National are usually found in May or July, booked 79 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap 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 July 11, 2025.

Round-trip from

$185
(Southwest)

One-way from

$89
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$254

Good round-trip deal

$189 or less

Good one-way deal

$143 or less
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 ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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

Find 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 July 11, 2025.

This Southwest deal was found by Cheapflights users on 7/10. 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.
Thu 8/146:10 amCHS - DCA
1 stop4h 50mSouthwest
Mon 8/1812:00 pmDCA - CHS
2 stops9h 15mSouthwest
Deal found 7/10$185
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/111:06 amCHS - DCA
Nonstop1h 39mAmerican Airlines
Sun 8/35:07 pmDCA - CHS
Nonstop1h 51mAmerican Airlines
Deal found 7/10$189
This JetBlue deal was found by Cheapflights users on 7/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:30 amCHS - DCA
1 stop6h 42mJetBlue
Mon 8/181:44 pmDCA - CHS
1 stop6h 06mJetBlue
Deal found 7/10$203
This Delta deal was found by Cheapflights users on 7/10. 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.
Thu 8/75:14 pmCHS - DCA
1 stop4h 30mDelta
Thu 8/146:00 amDCA - CHS
1 stop4h 38mDelta
Deal found 7/10$209

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 July 11, 2025.
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

Charleston

Fly to

Reagan-National

Route

Depart

Return

Price

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Thu 8/14

6:10 am-11:00 am

1 stop4h 50m

Washington, D.C. Reagan-National

Mon 8/18

12:00 pm-9:15 pm

2 stops9h 15m

$185

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Fri 8/1

11:06 am-12:45 pm

Nonstop1h 39m

Washington, D.C. Reagan-National

Sun 8/3

5:07 pm-6:58 pm

Nonstop1h 51m

$189

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Thu 8/14

9:30 am-4:12 pm

1 stop6h 42m

Washington, D.C. Reagan-National

Mon 8/18

1:44 pm-7:50 pm

1 stop6h 06m

$203

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Thu 8/7

5:14 pm-9:44 pm

1 stop4h 30m

Washington, D.C. Reagan-National

Thu 8/14

6:00 am-10:38 am

1 stop4h 38m

$209

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Thu 9/18

8:25 pm-10:00 pm

Nonstop1h 35m

$89

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Fri 8/29

5:30 am-12:10 pm

1 stop6h 40m

$102

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Mon 9/8

8:00 am-12:56 pm

1 stop4h 56m

$112

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Sat 8/9

5:15 am-9:09 am

1 stop3h 54m

$126

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Mon 11/10

6:00 am-1:19 pm

1 stop7h 19m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

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 June 27, 2025.

The best time to book flights from Charleston to Washington, D.C. Reagan-National Airport is 50 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, February is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Reagan-National Airport (average of $278). Flying from Charleston to Washington, D.C. Reagan-National Airport 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 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 July 11, 2025.

It’s optimal to fly from Charleston to Washington, D.C. Reagan-National Airport in the evening. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

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 July 6, 2025.

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 afternoons 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 July 11, 2025.
Read through reviews of airlines operating flights from Charleston to Washington, D.C. Reagan-National Airport, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,952 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,846 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,910 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 4 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.

  • What are the cheapest airlines flying from Charleston to Washington, D.C. Reagan-National Airport round-trip?

    According to our current data, Southwest ($185), Delta ($188), and American Airlines ($189) offers the cheapest pricing from Charleston to Washington, D.C. Reagan-National Airport. These flights start at 34% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Charleston to Washington, D.C. Reagan-National Airport one-way?

    $89 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Southwest and JetBlue, with prices starting from $102 and $112, respectively.

  • 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 (79%), American Airlines (61%) or Alaska Airlines (53%) 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 $327 for a flight from Charleston to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $114 while the most popular route, (Charleston - Washington, D.C. Reagan-National) is currently priced at $130.

  • 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, February is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Reagan-National Airport (average of $278). Flying from Charleston to Washington, D.C. Reagan-National Airport 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Easton
Fairfax
Towson
Linthicum Heights
Waldorf
Laurel
Falls Church
Rockville
Springfield
National Harbor
Manassas
Dundalk
Bowie

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Charleston to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Dulles Intl flights
Charlotte to Reagan-National flights
Charlotte to Baltimore flights
Columbia to Dulles Intl flights
Greenville to Dulles Intl flights
Columbia to Reagan-National flights
Savannah to Dulles Intl flights
Charleston to Dulles Intl flights
Savannah to Reagan-National flights
Savannah to Baltimore flights
Charleston to Baltimore flights
Greenville to Reagan-National flights
Greenville to Baltimore flights
Columbia to Baltimore flights
Myrtle Beach to Baltimore flights
Myrtle Beach to Dulles Intl flights
Myrtle Beach to Reagan-National flights
Hilton Head Island to Reagan-National flights
Augusta to Baltimore flights
Augusta to Dulles Intl flights
Hilton Head Island to Dulles Intl flights
Hilton Head Island to Baltimore flights
Augusta to Reagan-National flights

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 July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$183Average$289FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.