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Washington, D.C.

$67+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — WAS
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
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”

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

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Cheapflights Tip: The best prices from Charleston to Washington, D.C. are usually found in May or August, booked 76 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 February 6, 2026.

This Southwest deal was found by Cheapflights users on 2/5. 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 5/196:20 pm
CHS
-
BWI
Nonstop1h 40m
Southwest
Wed 5/206:40 pm
BWI
-
CHS
Nonstop1h 45m
Southwest
Deal found 2/5$133
This Expedia deal was found by Cheapflights users on 2/4. 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.
Thu 2/196:35 pm
CHS
-
BWI
1 stop4h 56m
Spirit Airlines
Sat 2/216:20 am
BWI
-
CHS
1 stop11h 20m
Spirit Airlines
Deal found 2/4$139
This Priceline deal was found by Cheapflights users on 2/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:35 pm
CHS
-
BWI
1 stop4h 56m
Spirit Airlines
Mon 3/910:06 am
BWI
-
CHS
1 stop7h 34m
Spirit Airlines
Deal found 2/3$152
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:07 am
CHS
-
BWI
1 stop15h 52m
Spirit Airlines
Mon 3/236:25 am
BWI
-
CHS
1 stop15h 48m
Spirit Airlines
Deal found 2/2$158
This Southwest deal was found by Cheapflights users on 2/3. 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 5/66:20 pm
CHS
-
BWI
Nonstop1h 40m
Southwest
Mon 5/111:00 pm
BWI
-
CHS
1 stop5h 20m
Southwest
Deal found 2/3$162
This Travelocity deal was found by Cheapflights users on 2/4. 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.
Fri 2/66:35 pm
CHS
-
BWI
1 stop5h 01m
Spirit Airlines
Sun 2/86:20 am
BWI
-
CHS
1 stop11h 19m
Spirit Airlines
Deal found 2/4$163
This Mytrip deal was found by Cheapflights users on 2/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:35 pm
CHS
-
BWI
1 stop14h 31m
Spirit Airlines
Mon 3/910:06 am
BWI
-
CHS
1 stop7h 34m
Spirit Airlines
Deal found 2/4$167
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/56:35 pm
CHS
-
BWI
1 stop4h 56m
Multiple Airlines
Mon 3/93:19 pm
BWI
-
CHS
2 stops24h 46m
Multiple Airlines
Deal found 2/3$172
This Priceline deal was found by Cheapflights users on 2/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:35 pm
CHS
-
BWI
1 stop4h 56m
Spirit Airlines
Mon 2/2310:06 am
BWI
-
CHS
1 stop7h 34m
Spirit Airlines
Deal found 2/4$174
This American Airlines deal was found by Cheapflights users on 2/3. 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 4/97:40 pm
CHS
-
DCA
Nonstop1h 50m
American Airlines
Sun 4/128:32 am
DCA
-
CHS
Nonstop2h 05m
American Airlines
Deal found 2/3$180
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/302:48 pm
CHS
-
IAD
Nonstop1h 37m
United Airlines
Sun 5/310:14 pm
IAD
-
CHS
Nonstop1h 45m
United Airlines
Deal found 2/3$180
This Southwest deal was found by Cheapflights users on 2/5. 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 4/247:40 am
CHS
-
DCA
1 stop6h 35m
Southwest
Tue 4/286:00 am
DCA
-
CHS
1 stop6h 25m
Southwest
Deal found 2/5$181

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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$133
(Southwest)

One-way from

$67
(Southwest)

Popular in

January

Cheapest in

May

Average price

$279

Good round-trip deal

$200 or less

Good one-way deal

$139 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. 10% potential increase in price ($29 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 February 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 February 6, 2026.
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

Tue 5/19

6:20 pm-8:00 pm

Nonstop1h 40m

Baltimore/Washington

Wed 5/20

6:40 pm-8:25 pm

Nonstop1h 45m

$133

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Wed 5/6

7:40 am-9:15 am

Nonstop1h 35m

Baltimore/Washington

Mon 5/11

9:30 am-9:55 pm

2 stops12h 25m

$167

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Thu 4/9

5:22 am-6:59 am

Nonstop1h 37m

Washington, D.C. Reagan-National

Sun 4/12

8:32 am-10:37 am

Nonstop2h 05m

$180

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 4/24

10:00 am-11:37 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 5/9

10:14 pm-11:59 pm

Nonstop1h 45m

$180

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Tue 2/24

10:20 am-4:04 pm

1 stop5h 44m

Washington, D.C. Reagan-National

Sat 2/28

6:00 am-10:57 am

1 stop4h 57m

$186

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Thu 3/5

6:35 pm-11:31 pm

1 stop4h 56m

Baltimore/Washington

Thu 3/12

9:43 pm-10:13 pm

1 stop24h 30m

$186

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Fri 4/10

7:40 pm-9:30 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Sun 4/12

8:32 am-10:37 am

Nonstop2h 05m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 5/28

10:00 am-11:37 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 6/13

8:15 am-10:01 am

Nonstop1h 46m

$189

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Fri 3/20

5:05 am-6:49 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Wed 3/25

8:30 am-10:25 am

Nonstop1h 55m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 5/28

10:00 am-11:37 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Wed 6/10

8:15 am-10:01 am

Nonstop1h 46m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 60 results
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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 February.
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.

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 January 30, 2026.

To ensure you get the cheapest price possible for a flight from Charleston to Washington, D.C., you should look to book at least 76 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 February 6, 2026.

It’s optimal to fly from Charleston to Washington, D.C. in the afternoon. By choosing this option you can save up to 42% 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 January 31, 2026.

Travelers seeking maximum savings on their Charleston to Washington, D.C. flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon 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 February 6, 2026.

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 (8 on average).

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

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 February 6, 2026.
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
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
9,244 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
11,244 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
8,421 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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.. 5 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 $179. Other airlines that can offer you cheap pricing are American Airlines, from $180, and Delta, from $209. United Airlines is 26% 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: Mesa Airlines (92%), CommutAir (92%), United Airlines( 81%).

  • 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 $912, our data indicates the cheapest price to be $160. The most popular route (Charleston - Washington, D.C. Reagan-National), is priced around $172.

  • 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
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 5 airlines flying from Charleston to Washington, D.C.

Discover the top 5 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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$157FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$179Average$274FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$301FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$323FlexibilityNo cancel feeOn-time63%
DeltaCheapest$209Average$287FlexibilityNo cancel feeOn-timeN/A

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