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Washington, D.C.

$94+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — WAS
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
1 adult, Economy
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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”

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Cheapflights Tip: The best prices from Charleston to Washington, D.C. are usually found in April or October, booked 88 days in advance, depart on a Friday or Saturday 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 August 10, 2026.

This Southwest deal was found by Cheapflights users on 8/9. 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.
Sat 9/56:45 am -
1 stop7h 35m
Sat 9/55:40 pm -
Nonstop1h 45m
Deal found 8/9$174
This Southwest deal was found by Cheapflights users on 8/10. 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.
Sat 9/55:20 pm -
Nonstop1h 35m
Sun 9/67:10 pm -
Nonstop1h 40m
Deal found 8/10$181
This Southwest deal was found by Cheapflights users on 8/10. 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.
Wed 9/26:45 am -
2 stops9h 00m
Wed 9/91:00 pm -
1 stop6h 50m
Deal found 8/10$193
This American Airlines deal was found by Cheapflights users on 8/7. 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 9/54:13 pm -
Nonstop1h 47m
Sun 9/68:39 am -
Nonstop1h 53m
Deal found 8/7$197
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/52:54 pm -
Nonstop1h 32m
Sun 9/61:20 pm -
Nonstop1h 50m
Deal found 8/7$197
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:13 pm -
1 stop20h 04m
Mon 9/146:36 pm -
2 stops14h 02m
Deal found 8/9$198
This Southwest deal was found by Cheapflights users on 8/9. 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 9/236:45 am -
2 stops11h 15m
Sat 9/268:15 am -
1 stop8h 25m
Deal found 8/9$199
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
1 stop15h 59m
Wed 9/308:19 am -
1 stop5h 05m
Deal found 8/9$199
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:39 pm -
1 stop25h 04m
Mon 9/149:32 pm -
1 stop11h 06m
Deal found 8/9$201
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:27 pm -
1 stop17h 04m
Mon 9/219:32 pm -
1 stop11h 06m
Deal found 8/9$203
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/272:53 pm -
1 stop18h 57m
Mon 9/2110:27 am -
1 stop22h 11m
Deal found 8/6$204
This American Airlines deal was found by Cheapflights users on 8/7. 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 9/54:13 pm -
Nonstop1h 47m
Mon 9/75:16 pm -
Nonstop1h 47m
Deal found 8/7$207

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 August 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$174
(Southwest)

One-way from

$94
(Southwest)

Popular in

March

Cheapest in

April

Average price

$259

Good round-trip deal

$279 or less

Good one-way deal

$203 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.
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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. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 10, 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 Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Sat 9/5

6:45 am-2:20 pm

1 stop7h 35m

Baltimore/Washington

Sat 9/5

5:40 pm-7:25 pm

Nonstop1h 45m

$174

CharlestonWashington, D.C.

CHS Charleston - DCA Washington, D.C. Reagan-National

CHSDCA

Charleston

Thu 9/10

6:35 am-6:00 pm

2 stops11h 25m

Washington, D.C. Reagan-National

Mon 9/14

12:15 pm-6:35 pm

1 stop6h 20m

$193

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Sat 9/5

8:05 am-9:35 am

Nonstop1h 30m

Baltimore/Washington

Sun 9/6

1:45 pm-9:45 pm

1 stop8h 00m

$207

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Thu 9/3

6:05 pm-7:40 pm

Nonstop1h 35m

Baltimore/Washington

Sun 9/6

9:20 am-11:05 am

Nonstop1h 45m

$207

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Fri 9/11

6:05 pm-7:40 pm

Nonstop1h 35m

Baltimore/Washington

Sat 9/12

5:40 pm-7:25 pm

Nonstop1h 45m

$207

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Sat 9/26

7:53 pm-9:30 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 9/28

8:15 am-10:02 am

Nonstop1h 47m

$217

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Sat 9/5

6:10 am-11:49 am

1 stop5h 39m

Washington, D.C. Dulles Intl

Sun 9/6

8:28 am-1:52 pm

1 stop5h 24m

$217

CharlestonWashington, D.C.

CHS Charleston - DCA Washington, D.C. Reagan-National

CHSDCA

Charleston

Thu 9/3

3:50 pm-8:59 pm

1 stop5h 09m

Washington, D.C. Reagan-National

Fri 9/11

8:00 am-1:27 pm

1 stop5h 27m

$227

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Thu 11/12

7:10 pm-11:30 pm

1 stop4h 20m

Baltimore/Washington

Mon 11/16

6:00 am-11:47 am

1 stop5h 47m

$227

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Thu 10/22

1:25 pm-8:40 pm

1 stop7h 15m

Baltimore/Washington

Mon 10/26

4:20 pm-6:00 pm

Nonstop1h 40m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

Showing 1-10 of 59 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 August.
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, November is the cheapest month in which you can book a flight from Charleston to Washington, D.C. (average of $257). 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 August 10, 2026.

It’s optimal to fly from Charleston to Washington, D.C. in the morning. By choosing this option you can save up to 27% 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 August 10, 2026.

The most flights from CHS to WAS are scheduled on a Sunday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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

Airfare is below average for this route at the moment.
Charleston to Washington, D.C. flights typically cost between $197 and $329 in September.
The cheapest round-trip price found within the last 5 days was $174 on Southwest (Sep 5-Sep 5).

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 63 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 August 1, 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 August 10, 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
4,218 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

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
4,218 reviews
Southwest
8.0
Very good
4,218 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

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
10,100 reviews
Southwest
8.0
Very good
4,218 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

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
11,899 reviews
Southwest
8.0
Very good
4,218 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

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 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 37m. 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 United Airlines, from $180, and American 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. United Airlines flights start at $115 while deals on American Airlines start at $127 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. Dulles Intl and Charleston - Washington, D.C. Reagan-National.

  • 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: Austrian Airlines (92%), Lufthansa (89%), Brussels Airlines( 87%).

  • 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 $1,866, our data indicates the cheapest price to be $152. 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, November is the cheapest month in which you can book a flight from Charleston to Washington, D.C. (average of $257). 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
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Woodbridge
Silver Spring
Largo

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 August 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$287FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$362FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$180Average$279FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$332FlexibilityNo cancel feeOn-time71%

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