HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$50+ Cheap flights from Charleston (CHS) to Washington, D.C. (WAS)

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — WAS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Washington, D.C. 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. are usually found in May or August, booked 61 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Charleston to Washington, D.C.

Cheapest flights from Charleston to Washington, D.C.
Explore the most affordable flight options available from Charleston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/9. 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.
Wed 12/242:44 pmCHS - DCA
Nonstop1h 34mAmerican Airlines
Mon 1/512:13 pmDCA - CHS
Nonstop1h 50mAmerican Airlines
Deal found 12/9$204
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Wed 12/247:45 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Mon 1/55:10 pmIAD - CHS
Nonstop1h 54mUnited Airlines
Deal found 12/9$204
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:49 pmCHS - BWI
1 stop11h 46mSpirit Airlines
Mon 12/158:45 amBWI - CHS
1 stop12h 09mSpirit Airlines
Deal found 12/11$213
This Travelocity deal was found by Cheapflights users on 12/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:49 pmCHS - BWI
1 stop11h 46mSpirit Airlines
Sun 12/148:45 amBWI - CHS
1 stop12h 09mSpirit Airlines
Deal found 12/11$239
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/295:10 amCHS - DCA
1 stop5h 47mAmerican Airlines
Sat 1/35:46 pmDCA - CHS
Nonstop1h 48mAmerican Airlines
Deal found 12/11$244
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:49 pmCHS - BWI
1 stop11h 46mMultiple Airlines
Sun 12/144:38 pmBWI - CHS
1 stop28h 16mMultiple Airlines
Deal found 12/10$246
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:59 pmCHS - BWI
1 stop16h 23mMultiple Airlines
Wed 12/316:18 pmBWI - CHS
1 stop27h 05mMultiple Airlines
Deal found 12/11$253
This Southwest deal was found by Cheapflights users on 12/9. 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.
Wed 12/241:00 pmCHS - DCA
1 stop5h 45mSouthwest
Mon 1/511:40 amDCA - CHS
1 stop5h 00mSouthwest
Deal found 12/9$254
This Southwest deal was found by Cheapflights users on 12/11. 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.
Wed 12/316:00 amCHS - DCA
1 stop6h 35mSouthwest
Sun 1/43:45 pmDCA - CHS
1 stop7h 25mSouthwest
Deal found 12/11$258
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:18 pmCHS - BWI
1 stop15h 11mMultiple Airlines
Mon 12/299:09 pmBWI - CHS
1 stop11h 28mMultiple Airlines
Deal found 12/11$258
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:33 pmCHS - BWI
1 stop16h 56mMultiple Airlines
Wed 12/316:18 pmBWI - CHS
1 stop27h 05mMultiple Airlines
Deal found 12/11$275
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/195:05 pmCHS - DCA
Nonstop1h 31mAmerican Airlines
Sun 12/215:16 pmDCA - CHS
Nonstop1h 51mAmerican Airlines
Deal found 12/11$279

Find flight deals from Charleston to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Washington, D.C. (WAS). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$114
(Expedia)

One-way from

$50
(Priceline)

Popular in

December

Cheapest in

May

Average price

$294

Good round-trip deal

$219 or less

Good one-way deal

$170 or less
Provider with most accurate pricing for Charleston-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Washington, D.C. (WAS) flights.
Search Deals
From Charleston to Washington, D.C. (WAS)
Search Deals
One-way flight from Charleston to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Charleston to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Charleston to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to Washington, D.C. 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 December 12, 2025.
Use the filters below to find and compare flights from Charleston to Washington, D.C. that are best for you.

Fly from

Charleston

Fly to

Washington, D.C.

Route

Depart

Return

Price

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Wed 1/21

7:55 am-9:30 am

Nonstop1h 35m

Baltimore/Washington

Tue 1/27

6:10 pm-8:00 pm

Nonstop1h 50m

$117

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Wed 1/7

6:15 pm-7:50 pm

Nonstop1h 35m

Baltimore/Washington

Mon 1/12

2:00 pm-3:50 pm

Nonstop1h 50m

$144

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Mon 1/12

7:55 am-9:30 am

Nonstop1h 35m

Baltimore/Washington

Tue 1/13

2:00 pm-3:50 pm

Nonstop1h 50m

$144

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Sun 1/11

6:35 pm-8:31 am

1 stop13h 56m

Baltimore/Washington

Sun 1/18

4:47 pm-5:36 pm

1 stop24h 49m

$155

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Sat 1/10

6:35 pm-11:36 pm

1 stop5h 01m

Baltimore/Washington

Sat 1/17

6:24 pm-8:38 am

1 stop14h 14m

$156

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Thu 1/29

6:35 pm-10:27 am

2 stops15h 52m

Baltimore/Washington

Sat 1/31

9:26 am-5:36 pm

1 stop8h 10m

$168

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Wed 1/7

6:30 am-11:54 am

1 stop5h 24m

Baltimore/Washington

Thu 1/8

8:45 am-1:37 pm

1 stop4h 52m

$169

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Thu 1/29

7:55 am-9:30 am

Nonstop1h 35m

Baltimore/Washington

Sat 1/31

8:20 am-10:20 am

Nonstop2h 00m

$171

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Thu 1/29

7:55 am-9:30 am

Nonstop1h 35m

Baltimore/Washington

Mon 2/2

8:40 am-10:40 am

Nonstop2h 00m

$171

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Thu 1/8

11:40 am-1:15 pm

Nonstop1h 35m

Baltimore/Washington

Mon 1/12

6:10 pm-8:00 pm

Nonstop1h 50m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 58 results
1
2
3
...
6

Compare providers for flights from Charleston to Washington, D.C.

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 Washington, D.C. in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Washington, D.C.. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Charleston to Washington, D.C., you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Charleston to Washington, D.C. (average of $47). Flying from Charleston to Washington, D.C. in September is currently the most expensive (average of $157). 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 WAS?

Find hourly flight availability from Charleston to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Charleston to Washington, D.C. in the afternoon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Charleston to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Charleston to Washington, D.C.. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Charleston to Washington, D.C. flight should consider departing on Thursday afternoons 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.

Weekly flight availability from Charleston to Washington, D.C.

Explore weekly flight availability from Charleston to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 12, 2025.

The most flights from CHS to WAS are scheduled on a Wednesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

The best insider tips for Charleston to Washington, D.C. flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Charleston to Washington, D.C. trip
Airports
CHS

For early flights, arrive early as security lines can be long when many gates have simultaneous departures.

Read more about CHSBy Ramsey Qubein
IAD

The Washington Metro Silver Line reaches IAD in under 40 minutes, offering a cost-effective city connection.

Read more about IADBy Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and CHS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Charleston to Washington, D.C., such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,180 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

    Charleston (CHS), located 10.2 mi from the city center, is the airport you fly out of when you book flights from Charleston to Washington, D.C.. 4 airlines have flights from Charleston to Washington, D.C. on a regular basis. Booking flights from Charleston to Washington, D.C. should not be difficult; the airport handles an average of 12 outbound flights to Washington, D.C. per day.

  • How long is the flight from Charleston to Washington, D.C.?

    Departing from Charleston to Washington, D.C. will take you 1h 32m. Charleston and Washington, D.C. are separated by a distance of 442 mi. Most flights are nonstop.

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

    Cheapflights users have booked flights from Charleston to Washington, D.C. round-trip from $184. Another airline that can offer you cheap pricing is United Airlines. American Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $89. Delta flights start at $99 while deals on United Airlines start at $115 one-way.

  • What are the most popular routes from Charleston to Washington, D.C.?

    The most popular flight routes from Charleston to Washington, D.C. are Charleston - Washington, D.C. Reagan-National, Charleston - Baltimore/Washington and Charleston - Washington, D.C. Dulles Intl.

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

    Before booking your flight to Washington, D.C. from Charleston, check out the most reliable airlines to get you to your destination on time: CommutAir (100%), Copa Airlines (93%), Mesa Airlines( 92%).

  • What are the cheapest flights from Charleston to Washington, D.C.?

    Looking for the cheapest flight from Charleston to Washington, D.C.? While on average our users pay $515, our data indicates the cheapest price to be $115. The most popular route (Charleston - Washington, D.C. Reagan-National), is priced around $157.

  • Can I find deals for flights from Charleston to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Charleston to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to Washington, D.C.?

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

  • Can I find deals for business class flights from Charleston to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Charleston to Washington, D.C. 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.?

    Currently, May is the cheapest month in which you can book a flight from Charleston to Washington, D.C. (average of $47). Flying from Charleston to Washington, D.C. in September is currently the most expensive (average of $157). 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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.

Top 4 airlines flying from Charleston to Washington, D.C.

Discover the top 4 airlines that operate flights from Charleston to Washington, D.C.. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$168FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$184Average$302FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$281FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$193Average$324FlexibilityNo cancel feeOn-time63%

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.