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Washington, D.C.

$99+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — WAS
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
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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”

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Cheapflights Tip: The best prices from Charleston to Washington, D.C. are usually found in April or August, booked 88 days in advance, depart on a Friday or Thursday and return on a Saturday

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 July 18, 2026.

This Southwest deal was found by Cheapflights users on 7/14. 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 9/36:05 pm
CHS
-
BWI
Nonstop1h 35m
Southwest
Sun 9/69:20 am
BWI
-
CHS
Nonstop1h 45m
Southwest
Deal found 7/14$160
This American Airlines deal was found by Cheapflights users on 7/13. 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 8/1211:07 am
CHS
-
DCA
Nonstop1h 50m
American Airlines
Sat 8/155:15 pm
DCA
-
CHS
Nonstop1h 47m
American Airlines
Deal found 7/13$197
This Southwest deal was found by Cheapflights users on 7/13. 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 8/106:05 pm
CHS
-
BWI
Nonstop1h 35m
Southwest
Wed 8/1210:50 am
BWI
-
CHS
Nonstop1h 45m
Southwest
Deal found 7/13$197
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 8/132:54 pm
CHS
-
IAD
Nonstop1h 32m
United Airlines
Thu 8/208:15 am
IAD
-
CHS
Nonstop1h 48m
United Airlines
Deal found 7/13$197
This Southwest deal was found by Cheapflights users on 7/13. 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 8/137:00 am
CHS
-
BWI
1 stop6h 15m
Southwest
Thu 8/209:05 am
BWI
-
CHS
Nonstop1h 45m
Southwest
Deal found 7/13$207
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Mon 8/107:46 pm
CHS
-
IAD
Nonstop1h 44m
United Airlines
Mon 8/171:20 pm
IAD
-
CHS
Nonstop1h 50m
United Airlines
Deal found 7/13$211
This Southwest deal was found by Cheapflights users on 7/16. 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 9/36:35 am
CHS
-
BWI
2 stops8h 00m
Southwest
Mon 9/79:05 am
BWI
-
CHS
Nonstop1h 45m
Southwest
Deal found 7/16$212
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 8/274:51 pm
CHS
-
BWI
2 stops24h 52m
Multiple Airlines
Tue 9/112:09 pm
BWI
-
CHS
1 stop20h 59m
Multiple Airlines
Deal found 7/18$213
This Southwest deal was found by Cheapflights users on 7/13. 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 8/136:35 am
CHS
-
DCA
1 stop5h 45m
Southwest
Thu 8/2010:40 am
DCA
-
CHS
1 stop6h 00m
Southwest
Deal found 7/13$217
This Delta deal was found by Cheapflights users on 7/13. 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 8/132:17 pm
CHS
-
IAD
1 stop4h 11m
Delta
Thu 8/205:47 pm
IAD
-
CHS
1 stop4h 20m
Delta
Deal found 7/13$217
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 9/247:00 am
CHS
-
IAD
2 stops17h 28m
Multiple Airlines
Tue 9/298:00 pm
IAD
-
CHS
1 stop12h 38m
Multiple Airlines
Deal found 7/16$220
This American Airlines deal was found by Cheapflights users on 7/13. 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 10/237:33 pm
CHS
-
DCA
Nonstop1h 41m
American Airlines
Mon 10/268:25 pm
DCA
-
CHS
Nonstop1h 44m
American Airlines
Deal found 7/13$223

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 July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Delta)

One-way from

$99
(Southwest)

Popular in

March

Cheapest in

April

Average price

$294

Good round-trip deal

$249 or less

Good one-way deal

$163 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. 6% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 18, 2026.
Use the filters below to find and compare flights from Charleston to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Thu 9/3

7:00 am-1:15 pm

1 stop6h 15m

Baltimore/Washington

Sun 9/6

2:25 pm-4:10 pm

Nonstop1h 45m

$170

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 8/27

7:51 pm-9:32 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sat 8/29

1:20 pm-3:10 pm

Nonstop1h 50m

$197

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Wed 8/12

5:10 pm-6:45 pm

Nonstop1h 35m

Baltimore/Washington

Thu 8/13

6:50 pm-8:30 pm

Nonstop1h 40m

$197

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Thu 8/13

6:15 am-10:57 am

1 stop4h 42m

Baltimore/Washington

Thu 8/20

6:20 pm-11:59 pm

1 stop5h 39m

$207

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Mon 8/24

5:10 am-10:57 am

1 stop5h 47m

Baltimore/Washington

Wed 8/26

12:03 pm-5:38 pm

1 stop5h 35m

$207

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Mon 8/10

7:00 am-11:55 am

1 stop4h 55m

Baltimore/Washington

Wed 8/12

8:15 am-10:05 am

Nonstop1h 50m

$207

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Wed 8/12

2:17 pm-8:33 pm

1 stop6h 16m

Washington, D.C. Reagan-National

Sat 8/15

2:00 pm-7:56 pm

1 stop5h 56m

$217

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Wed 8/26

8:10 am-12:45 pm

1 stop4h 35m

Washington, D.C. Reagan-National

Sat 8/29

2:00 pm-7:56 pm

1 stop5h 56m

$217

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 9/11

5:45 am-7:20 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 9/14

10:15 pm-12:11 am

Nonstop1h 56m

$223

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 10/9

7:53 pm-9:30 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 10/12

1:10 pm-3:00 pm

Nonstop1h 50m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 60 resultsSorted by cheapest first
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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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Washington, D.C. flight deals on Cheapflights vs. FlightHub >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 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. 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.

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

Currently, August is the cheapest month in which you can book a flight from Charleston to Washington, D.C. (average of $243). Flying from Charleston to Washington, D.C. in March is currently the most expensive (average of $346). 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 July 18, 2026.

It’s optimal to fly from Charleston to Washington, D.C. in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the afternoon.

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 July 18, 2026.

The most flights from CHS to WAS are scheduled on a Monday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Charleston to Washington, D.C.?

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

To ensure you get the cheapest price possible for a flight from Charleston to Washington, D.C., you should look to book at least 77 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 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 July 11, 2026.

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

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
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and CHS

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 July 18, 2026.
Read through reviews of airlines operating flights from Charleston to Washington, D.C., such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,006 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,828 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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 15 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 41m. Charleston and Washington, D.C. are separated by a distance of 442 mi. 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 Charleston to Washington, D.C. round-trip?

    Cheapflights users have booked flights from Charleston to Washington, D.C. round-trip from $156. Other airlines that can offer you cheap pricing are American Airlines, from $180, and United Airlines, from $180. Delta is 43% 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 JetBlue, which is currently one of the cheapest options available, starting at $109. American Airlines flights start at $115 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 - Baltimore/Washington, Charleston - Washington, D.C. Reagan-National 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: ANA (100%), Republic Airways (95%), Austrian Airlines( 93%).

  • 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 $2,143, our data indicates the cheapest price to be $148. The most popular route (Charleston - Baltimore/Washington), is priced around $197.

  • 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, August is the cheapest month in which you can book a flight from Charleston to Washington, D.C. (average of $243). Flying from Charleston to Washington, D.C. in March is currently the most expensive (average of $346). 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Falls Church
Hanover
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge
Silver Spring

Browse thousands of different options on Cheapflights for your next trip

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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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$287FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$363FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$180Average$279FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$320FlexibilityNo cancel feeOn-time71%

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