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Dulles Intl

$129+ Cheap flights from Charleston (CHS) to Dulles Intl (IAD)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — IAD
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to Washington, D.C. Dulles Intl are usually found in November or February, booked 84 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Charleston to Dulles Intl

Cheapest flights from Charleston to Dulles Intl
Explore the most affordable flight options available from Charleston to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Tue 5/193:13 pm
CHS
-
IAD
1 stop25h 09m
Multiple Airlines
Tue 5/264:01 pm
IAD
-
CHS
1 stop17h 37m
Multiple Airlines
Deal found 4/19$191
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:56 pm
CHS
-
IAD
1 stop8h 31m
Multiple Airlines
Mon 5/42:58 pm
IAD
-
CHS
2 stops18h 35m
Multiple Airlines
Deal found 4/18$202
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/64:34 pm
CHS
-
IAD
1 stop26h 08m
Multiple Airlines
Mon 5/117:27 pm
IAD
-
CHS
1 stop14h 31m
Multiple Airlines
Deal found 4/22$203
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Tue 5/1210:38 am
CHS
-
IAD
2 stops12h 31m
Multiple Airlines
Tue 5/196:37 pm
IAD
-
CHS
1 stop15h 01m
Multiple Airlines
Deal found 4/21$207
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/197:44 pm
CHS
-
IAD
Nonstop1h 41m
United Airlines
Tue 5/268:30 am
IAD
-
CHS
Nonstop1h 46m
United Airlines
Deal found 4/21$210
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/272:39 pm
CHS
-
IAD
2 stops19h 33m
Multiple Airlines
Sat 5/307:27 pm
IAD
-
CHS
1 stop13h 11m
Multiple Airlines
Deal found 4/19$215
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/148:20 pm
CHS
-
IAD
2 stops26h 49m
Multiple Airlines
Mon 5/187:27 pm
IAD
-
CHS
1 stop13h 11m
Multiple Airlines
Deal found 4/21$218
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/2110:00 am
CHS
-
IAD
Nonstop1h 37m
United Airlines
Wed 6/38:30 am
IAD
-
CHS
Nonstop1h 46m
United Airlines
Deal found 4/22$220

Find flight deals from Charleston to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Dulles Intl (IAD). 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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$191
(Kiwi.com)

One-way from

$129
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$299

Good round-trip deal

$344 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Charleston-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Charleston-Washington, D.C. Dulles Intl flights.
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From Charleston to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Charleston to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Charleston to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Charleston to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to Dulles Intl 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 April 23, 2026.
Use the filters below to find and compare flights from Charleston to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Tue 7/7

10:00 am-11:37 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 8/1

8:38 am-10:22 am

Nonstop1h 44m

$249

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Tue 5/12

4:55 pm-9:24 pm

1 stop4h 29m

Washington, D.C. Dulles Intl

Tue 5/19

5:31 pm-9:52 pm

1 stop4h 21m

$249

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 6/11

7:47 pm-9:29 pm

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sun 6/14

8:30 am-10:16 am

Nonstop1h 46m

$249

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 5/28

7:47 pm-9:29 pm

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sun 5/31

8:30 am-10:16 am

Nonstop1h 46m

$249

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sat 6/13

10:00 am-11:37 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Wed 6/17

8:30 am-10:16 am

Nonstop1h 46m

$249

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sat 6/13

6:00 am-11:48 am

1 stop5h 48m

Washington, D.C. Dulles Intl

Wed 6/17

7:39 pm-12:36 am

1 stop4h 57m

$269

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Tue 7/7

6:43 pm-11:14 pm

1 stop4h 31m

Washington, D.C. Dulles Intl

Tue 8/4

10:21 am-5:16 pm

1 stop6h 55m

$269

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 5/8

7:59 pm-12:51 am

1 stop4h 52m

Washington, D.C. Dulles Intl

Sun 5/10

7:38 pm-11:59 pm

1 stop4h 21m

$299

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 6/12

10:00 am-11:37 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sun 6/14

8:30 am-10:16 am

Nonstop1h 46m

$319
Cheapest one-way

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Wed 5/27

4:34 pm-6:42 pm

1 stop26h 08m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Charleston to Dulles Intl

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 Dulles Intl in April.
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. Dulles Intl Airport 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. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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 Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Dulles Intl. Price data was last updated on April 17, 2026.

The best time to book flights from Charleston to Washington, D.C. Dulles Intl Airport is 83 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 Charleston to Washington, D.C. Dulles Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Dulles Intl Airport (average of $231). Flying from Charleston to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $364). 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 IAD?

Find hourly flight availability from Charleston to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 23, 2026.

When flying from Charleston to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 23, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Charleston to Washington, D.C. Dulles Intl Airport. 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.
Delta
7.9
Good
8,438 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,438 reviews
Delta
7.9
Good
8,438 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,637 reviews
Delta
7.9
Good
8,438 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Charleston to Dulles Intl. 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. Dulles Intl?

    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. Dulles Intl. 2 airlines have flights from Charleston to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Charleston to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 9 outbound flights to Washington, D.C. Dulles Intl per day.

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

    United Airlines and Delta can get you from Charleston to Washington, D.C. Dulles Intl Airport in just under 1h 37m. Your travel time can differ by up to 2h 52m. Charleston and Washington, D.C. Dulles Intl Airport are separated by a distance of 442 mi. This flight may include one or multiple stops.

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

    United Airlines, at $180, was found to be the cheapest airline from Charleston to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be Delta. United Airlines is currently priced 35% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Charleston to Washington, D.C. Dulles Intl Airport consider choosing ANA (89%), Mesa Airlines (88%) or Austrian Airlines (86%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Charleston to Washington, D.C. Dulles Intl Airport is $173. On average you can expect to pay $552. The most popular route, (Charleston - Washington, D.C. Dulles Intl), can usually be booked for $191.

  • Can I find deals for flights from Charleston to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Charleston to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to Dulles Intl?

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

  • Can I find deals for business class flights from Charleston to Dulles Intl?

    Yes. Cheapflights offers flight deals from Charleston to Dulles Intl 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. Dulles Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Dulles Intl Airport (average of $231). Flying from Charleston to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $364). 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. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Woodbridge
Silver Spring
Herndon
Rockville
Hyattsville
Fredericksburg
Hanover
Laurel
Manassas
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Hunt Valley

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Top 2 airlines flying from Charleston to Dulles Intl

Discover the top 2 airlines that operate flights from Charleston to Dulles Intl. 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$180Average$275FlexibilityNo cancel feeOn-time69%
DeltaCheapest$209Average$324FlexibilityNo cancel feeOn-timeN/A

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