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

$39+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — WAS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Charleston to Washington, D.C. are usually found in May or July, booked 58 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap 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 June 12, 2025.

Round-trip from

$88
(FlightHub)

One-way from

$39
(FlightHub)

Popular in

December

Cheapest in

May

Average price

$249

Good round-trip deal

$189 or less

Good one-way deal

$127 or less
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. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Charleston to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Charleston to Washington, D.C. (WAS).
Search Deals

Find 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/73:31 pmCHS - BWI
Nonstop1h 31mSpirit Airlines
Mon 7/147:00 amBWI - CHS
Nonstop1h 43mSpirit Airlines
Deal found 6/11$88
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/115:33 pmCHS - BWI
1 stop5h 35mAmerican Airlines
Tue 8/197:00 amBWI - CHS
1 stop4h 31mAmerican Airlines
Deal found 6/10$172
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/412:59 pmCHS - BWI
1 stop5h 33mDelta
Mon 7/75:35 amBWI - CHS
1 stop6h 13mDelta
Deal found 6/11$181
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/273:31 pmCHS - BWI
Nonstop1h 31mMultiple Airlines
Tue 7/17:00 pmBWI - CHS
2 stops25h 34mMultiple Airlines
Deal found 6/10$182
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/239:50 amCHS - IAD
Nonstop1h 35mUnited Airlines
Mon 9/228:20 amIAD - CHS
Nonstop1h 47mUnited Airlines
Deal found 6/9$186
This Southwest deal was found by Cheapflights users on 6/12. 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 8/206:35 amCHS - BWI
2 stops8h 50mSouthwest
Tue 8/2610:55 amBWI - CHS
2 stops9h 00mSouthwest
Deal found 6/12$187
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:38 pmCHS - DCA
Nonstop1h 36mAmerican Airlines
Sun 7/135:07 pmDCA - CHS
Nonstop1h 51mAmerican Airlines
Deal found 6/11$189
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/27:00 amCHS - IAD
1 stop4h 59mDelta
Fri 7/43:31 pmIAD - CHS
1 stop6h 15mDelta
Deal found 6/10$199
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:00 amCHS - DCA
1 stop5h 56mJetBlue
Sat 9/273:15 pmDCA - CHS
1 stop8h 03mJetBlue
Deal found 6/10$203
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:20 amCHS - DCA
1 stop4h 06mDelta
Mon 7/77:35 pmDCA - CHS
1 stop4h 24mDelta
Deal found 6/11$204
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2511:20 amCHS - DCA
1 stop5h 08mUnited Airlines
Sun 7/275:15 pmDCA - CHS
1 stop5h 58mUnited Airlines
Deal found 6/11$209
This Southwest deal was found by Cheapflights users on 6/10. 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 10/155:35 amCHS - DCA
2 stops7h 15mSouthwest
Sat 10/186:00 amDCA - CHS
1 stop6h 40mSouthwest
Deal found 6/10$230

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 June 12, 2025.
Use the filters below to find and compare flights from Charleston to Washington, D.C. that are best for you.

Fly from

Charleston

Fly to

Washington, D.C.

Route

Depart

Return

Price

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Mon 7/7

3:31 pm-5:02 pm

Nonstop1h 31m

Baltimore/Washington

Mon 7/14

7:00 am-8:43 am

Nonstop1h 43m

$88

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Mon 8/11

5:33 pm-11:08 pm

1 stop5h 35m

Baltimore/Washington

Tue 8/19

7:00 am-11:31 am

1 stop4h 31m

$172

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Fri 7/4

12:59 pm-6:32 pm

1 stop5h 33m

Baltimore/Washington

Mon 7/7

5:35 am-11:48 am

1 stop6h 13m

$181

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Fri 6/27

3:31 pm-5:02 pm

Nonstop1h 31m

Baltimore/Washington

Tue 7/1

7:00 pm-8:34 pm

2 stops25h 34m

$182

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Mon 6/23

9:50 am-11:25 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 9/22

8:20 am-10:07 am

Nonstop1h 47m

$186

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

Wed 8/20

6:35 am-3:25 pm

2 stops8h 50m

Baltimore/Washington

Tue 8/26

10:55 am-7:55 pm

2 stops9h 00m

$187

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Fri 7/11

7:38 pm-9:14 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Sun 7/13

5:07 pm-6:58 pm

Nonstop1h 51m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Tue 7/1

6:16 pm-11:14 pm

1 stop4h 58m

Washington, D.C. Dulles Intl

Sat 7/5

6:00 am-10:35 am

1 stop4h 35m

$199

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Wed 9/24

7:00 am-12:56 pm

1 stop5h 56m

Washington, D.C. Reagan-National

Sat 9/27

3:15 pm-11:18 pm

1 stop8h 03m

$203

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

Fri 7/4

6:20 am-10:26 am

1 stop4h 06m

Washington, D.C. Reagan-National

Mon 7/7

7:35 pm-11:59 pm

1 stop4h 24m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 32 results
1
2
3
4

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Charleston to Washington, D.C. trip
Airports
CHS

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

Read more about CHSby Ramsey Qubein
IAD

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

Read more about IADby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and CHS

Ramsey Qubein

Ramsey Qubein

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

Read more

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Charleston to Washington, D.C., you should look to book at least 58 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, August is the cheapest month in which you can book a flight from Charleston to Washington, D.C. (average of $241). Flying from Charleston to Washington, D.C. in March is currently the most expensive (average of $290). 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 June 12, 2025.

It’s optimal to fly from Charleston to Washington, D.C. in the afternoon. By choosing this option you can save up to 63% 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 June 8, 2025.

Travelers seeking maximum savings on their Charleston to Washington, D.C. flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday 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 June 12, 2025.

The most flights from CHS to WAS are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Charleston to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 18 outbound flights to Washington, D.C. per day.

  • How popular is this Charleston to Washington, D.C. flight route?

    This flight path from Charleston to Washington, D.C. was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $88. Other airlines that can offer you cheap pricing are American Airlines, from $172, and Delta, from $181. Spirit Airlines is 65% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $39. American Airlines flights start at $84 while deals on Delta start at $91 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 - Washington, D.C. Dulles Intl and Charleston - Baltimore/Washington.

  • 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 $275, our data indicates the cheapest price to be $47. The most popular route (Charleston - Washington, D.C. Reagan-National), is priced around $199.

  • 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 $241). Flying from Charleston to Washington, D.C. in March is currently the most expensive (average of $290). 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
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$162FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$162Average$305FlexibilityNo cancel feeOn-time71%
DeltaCheapest$176Average$269FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$308FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$203Average$321FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.