HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$91+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Dulles Intl 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. Dulles Intl are usually found in November or January, booked 30 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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.
Wed 12/247:45 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Mon 1/55:10 pmIAD - CHS
Nonstop1h 54mUnited Airlines
Deal found 12/9$204
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:46 pmCHS - IAD
Nonstop1h 39mUnited Airlines
Mon 12/228:22 amIAD - CHS
Nonstop2h 02mUnited Airlines
Deal found 12/10$279
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:45 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Fri 1/25:10 pmIAD - CHS
Nonstop1h 54mUnited Airlines
Deal found 12/10$294
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/195:10 amCHS - IAD
1 stop3h 32mAmerican Airlines
Sat 12/206:35 amIAD - CHS
1 stop5h 58mAmerican Airlines
Deal found 12/11$299
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:00 amCHS - IAD
Nonstop1h 40mUnited Airlines
Tue 12/231:20 pmIAD - CHS
Nonstop2h 02mUnited Airlines
Deal found 12/10$309
This Delta deal was found by Cheapflights users on 12/11. 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 12/196:00 amCHS - IAD
1 stop5h 39mDelta
Sun 12/216:59 pmIAD - CHS
1 stop4h 59mDelta
Deal found 12/11$319
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/192:50 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Mon 12/295:10 pmIAD - CHS
Nonstop1h 54mUnited Airlines
Deal found 12/11$321
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/295:10 amCHS - IAD
1 stop3h 32mAmerican Airlines
Thu 1/11:57 pmIAD - CHS
1 stop3h 50mAmerican Airlines
Deal found 12/11$337
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 12/305:10 amCHS - IAD
1 stop3h 32mAmerican Airlines
Fri 1/26:35 amIAD - CHS
1 stop5h 46mAmerican Airlines
Deal found 12/10$340
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/1811:40 amCHS - IAD
1 stop5h 50mUnited Airlines
Sun 12/211:20 pmIAD - CHS
Nonstop2h 02mUnited Airlines
Deal found 12/9$344

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$91
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$351

Good round-trip deal

$372 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for Charleston-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Washington, D.C. Dulles Intl flights.
Search Deals
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. 1% potential increase in price ($6 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 December 2025
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 December 12, 2025.
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

Charleston

Fly to

Dulles Intl

Route

Depart

Return

Price

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sun 1/11

2:58 pm-4:30 pm

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sun 1/18

5:10 pm-7:04 pm

Nonstop1h 54m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 1/9

2:58 pm-4:30 pm

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sun 1/11

5:10 pm-7:04 pm

Nonstop1h 54m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sat 1/17

12:00 pm-7:09 pm

1 stop7h 09m

Washington, D.C. Dulles Intl

Mon 1/19

6:00 am-11:48 am

1 stop5h 48m

$191

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Wed 12/31

7:45 pm-9:25 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sun 1/4

5:10 pm-7:04 pm

Nonstop1h 54m

$204

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Wed 12/24

7:45 pm-9:25 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Mon 1/5

5:10 pm-7:04 pm

Nonstop1h 54m

$204

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 1/23

7:00 pm-12:24 am

1 stop5h 24m

Washington, D.C. Dulles Intl

Sun 1/25

10:08 am-4:06 pm

1 stop5h 58m

$209

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sun 1/11

6:00 am-11:43 am

1 stop5h 43m

Washington, D.C. Dulles Intl

Sun 1/18

12:23 pm-5:13 pm

1 stop4h 50m

$209

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 1/9

7:00 pm-11:18 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Wed 1/14

12:55 pm-2:48 pm

Nonstop1h 53m

$263

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 1/16

8:28 pm-9:58 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Mon 1/19

8:53 pm-8:38 am

1 stop11h 45m

$275

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 12/19

2:50 pm-4:30 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sat 12/20

8:22 am-10:24 am

Nonstop2h 02m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 23 results
1
2
3

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

The best time to book flights from Charleston to Washington, D.C. Dulles Intl Airport is 30 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, May is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Dulles Intl Airport (average of $47). Flying from Charleston to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $195). 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 December 12, 2025.

When flying from Charleston to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 74% versus a flight at noon.

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
Airports
CHS

For early flights, arrive early at CHS as security lines can be long during morning departures.

Read more about CHSBy Ramsey Qubein
IAD

Use the Washington Metro Silver Line for a cost-effective and quick trip to downtown from IAD.

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

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 December 12, 2025.
Read reviews from past customers who have flown United Airlines and American 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.
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 8 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 32m. Your travel time can differ by up to 5h 37m. 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 $189, 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 American Airlines. United Airlines is currently priced 36% 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 CommutAir (100%), Copa Airlines (93%) or Mesa Airlines (92%) 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 $115. On average you can expect to pay $515. The most popular route, (Charleston - Washington, D.C. Dulles Intl), can usually be booked for $117.

  • 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, May is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Dulles Intl Airport (average of $47). Flying from Charleston to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $195). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
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.

Alternative routes for Charleston to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Baltimore flights
Charlotte to Dulles Intl flights
Charlotte to Reagan-National flights
Charleston to Baltimore flights
Charleston to Reagan-National flights
Greenville to Baltimore flights
Columbia to Reagan-National flights
Savannah to Dulles Intl flights
Greenville to Dulles Intl flights
Columbia to Dulles Intl flights
Savannah to Reagan-National flights
Savannah to Baltimore flights
Greenville to Reagan-National flights
Myrtle Beach to Baltimore flights
Columbia to Baltimore flights
Myrtle Beach to Dulles Intl flights
Augusta to Baltimore flights
Augusta to Dulles Intl flights
Myrtle Beach to Reagan-National flights
Augusta to Reagan-National flights
Hilton Head Island to Dulles Intl flights
Hilton Head Island to Reagan-National flights
Hilton Head Island to Baltimore flights

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$281FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$268FlexibilityNo cancel feeOn-time71%

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.