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$67+ Cheap flights from Washington, D.C. (WAS) to Charleston (CHS)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CHS
Apr 6 — Apr 131
Mon 4/6
Mon 4/13
1 adult, Economy
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Find cheap flights from Washington, D.C. to Charleston 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 Washington, D.C. to Charleston are usually found in July or June, booked 75 days in advance, depart on a Saturday or Tuesday and return on a Thursday

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

Cheapest flights from Washington, D.C. to Charleston
Explore the most affordable flight options available from Washington, D.C. to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 7, 2026.

This Southwest deal was found by Cheapflights users on 3/3. 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 4/159:00 am
BWI
-
CHS
Nonstop2h 00m
Southwest
Wed 4/227:40 am
CHS
-
BWI
Nonstop1h 35m
Southwest
Deal found 3/3$133
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/112:15 pm
BWI
-
CHS
2 stops8h 15m
Southwest
Wed 4/86:20 pm
CHS
-
BWI
Nonstop1h 40m
Southwest
Deal found 3/2$148
This Southwest deal was found by Cheapflights users on 3/5. 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 4/76:10 am
BWI
-
CHS
1 stop8h 50m
Southwest
Wed 4/86:20 pm
CHS
-
BWI
Nonstop1h 40m
Southwest
Deal found 3/5$149
This Southwest deal was found by Cheapflights users on 3/3. 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.
Sat 4/48:15 pm
BWI
-
CHS
Nonstop1h 45m
Southwest
Wed 4/86:20 pm
CHS
-
BWI
Nonstop1h 40m
Southwest
Deal found 3/3$152
This Delta deal was found by Cheapflights users on 3/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:33 pm
BWI
-
CHS
1 stop4h 22m
Delta
Tue 4/286:25 am
CHS
-
BWI
1 stop4h 21m
Delta
Deal found 3/4$157
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Mon 3/238:43 pm
BWI
-
CHS
1 stop25h 30m
Multiple Airlines
Wed 4/18:07 am
CHS
-
BWI
1 stop10h 38m
Multiple Airlines
Deal found 3/6$161
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:10 am
BWI
-
CHS
Nonstop1h 50m
Southwest
Tue 4/73:40 pm
CHS
-
BWI
1 stop6h 05m
Southwest
Deal found 3/2$162
This Southwest deal was found by Cheapflights users on 3/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:10 am
BWI
-
CHS
Nonstop1h 50m
Southwest
Sat 3/286:15 am
CHS
-
BWI
1 stop8h 25m
Southwest
Deal found 3/4$168
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:17 am
IAD
-
CHS
1 stop24h 21m
Multiple Airlines
Fri 5/110:56 pm
CHS
-
IAD
1 stop8h 31m
Multiple Airlines
Deal found 3/2$202
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:00 am
DCA
-
CHS
1 stop12h 15m
Southwest
Mon 4/272:15 pm
CHS
-
DCA
1 stop8h 25m
Southwest
Deal found 3/2$202
This Southwest deal was found by Cheapflights users on 3/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:35 am
DCA
-
CHS
2 stops8h 25m
Southwest
Tue 5/1212:00 pm
CHS
-
DCA
2 stops10h 45m
Southwest
Deal found 3/4$203
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1510:14 pm
IAD
-
CHS
Nonstop1h 45m
United Airlines
Mon 5/187:44 pm
CHS
-
IAD
Nonstop1h 41m
United Airlines
Deal found 3/2$204

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Charleston (CHS). 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 March 7, 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

March

Cheapest in

July

Average price

$359

Good round-trip deal

$249 or less

Good one-way deal

$149 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Charleston flights.
Search Deals
From Washington, D.C. (WAS) to Charleston
Search Deals
One-way flight from Washington, D.C. (WAS) to Charleston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Charleston.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Charleston.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Charleston 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 March 7, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Mon 4/20

5:35 pm-7:20 pm

Nonstop1h 45m

Charleston

Tue 4/21

6:20 pm-8:00 pm

Nonstop1h 40m

$152

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Mon 4/20

8:20 am-10:15 am

Nonstop1h 55m

Charleston

Wed 4/22

6:20 pm-8:00 pm

Nonstop1h 40m

$171

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Sat 4/4

8:15 pm-10:00 pm

Nonstop1h 45m

Charleston

Tue 4/7

6:20 pm-8:00 pm

Nonstop1h 40m

$171

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Sat 5/2

12:15 pm-6:35 pm

2 stops6h 20m

Charleston

Mon 5/4

6:00 am-6:05 pm

2 stops12h 05m

$207

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 7/11

4:00 pm-9:45 pm

1 stop5h 45m

Charleston

Sat 7/18

5:30 am-9:50 am

1 stop4h 20m

$209

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 4/7

6:01 am-9:57 am

1 stop3h 56m

Charleston

Sat 4/11

6:00 am-12:39 pm

1 stop6h 39m

$211

Washington, D.C.Charleston

DCA - CHS

DCACHS

Washington, D.C. Reagan-National

Sun 5/10

12:00 pm-5:30 pm

1 stop5h 30m

Charleston

Thu 5/14

1:15 pm-11:00 pm

2 stops9h 45m

$225
Quickest round-trip

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 3/28

10:17 pm-11:59 pm

Nonstop1h 42m

Charleston

Wed 4/1

6:00 am-7:29 am

Nonstop1h 29m

$231

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 4/14

1:05 pm-2:53 pm

Nonstop1h 48m

Charleston

Sat 4/18

2:53 pm-4:30 pm

Nonstop1h 37m

$231

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 7/2

6:00 am-11:24 am

1 stop5h 24m

Charleston

Mon 7/6

7:59 pm-12:09 am

1 stop4h 10m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Charleston

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 Washington, D.C. to Charleston in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Washington, D.C.-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Charleston 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 Washington, D.C.-Charleston 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 Washington, D.C. to Charleston

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Charleston. Price data was last updated on March 6, 2026.

The best time to book flights from Washington, D.C. to Charleston is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Charleston (average of $52). Flying from Washington, D.C. to Charleston in March is currently the most expensive (average of $189). 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 WAS to CHS?

Find hourly flight availability from Washington, D.C. to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 7, 2026.

One of the essential ways to save on airfare from Washington, D.C. to Charleston is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Charleston. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Charleston flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

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

Get insights into the airlines that provide service to Charleston. 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 Charleston. Reviews last updated March 7, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Washington, D.C. to Charleston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,311 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,311 reviews
Southwest
8.0
Very good
4,311 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Delta
7.9
Good
8,271 reviews
Southwest
8.0
Very good
4,311 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
United Airlines
7.4
Good
9,404 reviews
Southwest
8.0
Very good
4,311 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
American Airlines
7.1
Good
11,399 reviews
Southwest
8.0
Very good
4,311 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Spirit Airlines
6.3
Okay
8,498 reviews
Southwest
8.0
Very good
4,311 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

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

    Charleston (CHS) is the airport you will fly into if you book a flight from Washington, D.C. to Charleston. You should not have trouble finding flights to Charleston from Washington, D.C.; the airport handles an average of 2 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Charleston airport from Washington, D.C.. It is only a 10.2 mi journey from Charleston (CHS) to Charleston’s city center.

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

    Airlines like Southwest, Delta, and United Airlines fly from Washington, D.C. to Charleston in about 1h 42m. The time it takes to get you to your destination can typically vary by up to 4h 03m. The distance from Washington, D.C. to Charleston is about 442 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Washington, D.C. to Charleston is Delta. Our recent data shows that you can find tickets from as low as $162 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $189 and $189 round-trip. Delta is currently priced 49% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $65 on Southwest. Other airlines that offer cheap prices include American Airlines from $89 and Delta from $99 one-way.

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

    The most popular route from Washington, D.C. to Charleston is Washington, D.C. Reagan-National - Charleston. You may also consider Baltimore/Washington - Charleston or Washington, D.C. Dulles Intl - Charleston.

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

    The top 3 most reliable airlines when flying from Washington, D.C. to Charleston are Mesa Airlines (97%), Copa Airlines (88%) and Air Canada (86%).

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

    On average you can expect to pay $305 for a flight from Washington, D.C. to Charleston. The cheapest flight overall is $180 while the most popular route, (Washington, D.C. Reagan-National - Charleston) is currently priced at $173.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Charleston (average of $52). Flying from Washington, D.C. to Charleston in March is currently the most expensive (average of $189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Washington, D.C. to Charleston

Discover the top 5 airlines that operate flights from Washington, D.C. to Charleston. 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 March 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$153FlexibilityNo cancel feeOn-time65%
DeltaCheapest$122Average$293FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$162Average$318FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$181Average$343FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$189Average$312FlexibilityNo cancel feeOn-time69%

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