HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — IAD
Feb 24 — Mar 31
Tue 2/24
Tue 3/3
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 March, booked 83 days in advance, depart on a Thursday or Friday 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 January 25, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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 2/2010:05 am
CHS
-
IAD
Nonstop1h 32m
United Airlines
Mon 2/235:10 pm
IAD
-
CHS
Nonstop1h 50m
United Airlines
Deal found 1/25$180
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/277:47 pm
CHS
-
IAD
Nonstop1h 38m
United Airlines
Sun 3/11:00 pm
IAD
-
CHS
Nonstop1h 49m
United Airlines
Deal found 1/25$189
This Delta deal was found by Cheapflights users on 1/24. 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.
Sat 2/286:00 am
CHS
-
IAD
1 stop5h 44m
Delta
Mon 3/212:24 pm
IAD
-
CHS
1 stop4h 46m
Delta
Deal found 1/24$191
This United Airlines deal was found by Cheapflights users on 1/22. 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 4/167:44 pm
CHS
-
IAD
Nonstop1h 41m
United Airlines
Sun 4/1910:10 pm
IAD
-
CHS
Nonstop1h 49m
United Airlines
Deal found 1/22$195
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 3/45:00 pm
CHS
-
IAD
2 stops16h 25m
Multiple Airlines
Sun 3/88:09 am
IAD
-
CHS
1 stop24h 34m
Multiple Airlines
Deal found 1/23$199
This Delta deal was found by Cheapflights users on 1/24. 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 2/207:00 pm
CHS
-
IAD
1 stop5h 21m
Delta
Tue 2/2412:35 pm
IAD
-
CHS
1 stop5h 19m
Delta
Deal found 1/24$200
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/137:47 pm
CHS
-
IAD
Nonstop1h 38m
United Airlines
Sun 2/151:00 pm
IAD
-
CHS
Nonstop1h 49m
United Airlines
Deal found 1/25$204
This Delta deal was found by Cheapflights users on 1/25. 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 2/275:27 am
CHS
-
IAD
1 stop3h 46m
Delta
Sun 3/110:08 am
IAD
-
CHS
1 stop3h 52m
Delta
Deal found 1/25$209
This United Airlines deal was found by Cheapflights users on 1/23. 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 2/107:45 pm
CHS
-
IAD
Nonstop1h 40m
United Airlines
Sat 2/145:10 pm
IAD
-
CHS
Nonstop1h 50m
United Airlines
Deal found 1/23$214
This Delta deal was found by Cheapflights users on 1/23. 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 2/1010:31 am
CHS
-
IAD
1 stop4h 14m
Delta
Sat 2/1412:35 pm
IAD
-
CHS
1 stop5h 19m
Delta
Deal found 1/23$215
This United Airlines deal was found by Cheapflights users on 1/23. 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 2/67:45 pm
CHS
-
IAD
Nonstop1h 40m
United Airlines
Sun 2/812:55 pm
IAD
-
CHS
Nonstop1h 53m
United Airlines
Deal found 1/23$219
This United Airlines deal was found by Cheapflights users on 1/23. 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 2/237:47 pm
CHS
-
IAD
Nonstop1h 38m
United Airlines
Mon 3/21:00 pm
IAD
-
CHS
Nonstop1h 49m
United Airlines
Deal found 1/23$222

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 January 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(United Airlines)

One-way from

$129
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$324

Good round-trip deal

$295 or less

Good one-way deal

$247 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. 4% potential increase in price ($12 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 January 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 January 25, 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

Charleston

Fly to

Dulles Intl

Route

Depart

Return

Price

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 3/20

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 3/23

5:10 pm-7:00 pm

Nonstop1h 50m

$180

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 3/6

10:20 am-11:53 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

Mon 3/9

5:10 pm-7:00 pm

Nonstop1h 50m

$180

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 2/27

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sat 3/7

1:05 pm-2:54 pm

Nonstop1h 49m

$180

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sat 2/14

5:27 am-9:54 am

1 stop4h 27m

Washington, D.C. Dulles Intl

Tue 2/17

7:35 pm-11:54 pm

1 stop4h 19m

$191

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sat 2/28

5:27 am-9:54 am

1 stop4h 27m

Washington, D.C. Dulles Intl

Tue 3/3

7:15 am-11:56 am

1 stop4h 41m

$191

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Wed 2/18

6:23 pm-11:09 pm

1 stop4h 46m

Washington, D.C. Dulles Intl

Sat 2/21

12:38 pm-5:38 pm

1 stop5h 00m

$191

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sat 2/28

6:00 am-11:44 am

1 stop5h 44m

Washington, D.C. Dulles Intl

Mon 3/2

12:24 pm-5:10 pm

1 stop4h 46m

$191

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 4/16

5:20 am-9:15 am

1 stop3h 55m

Washington, D.C. Dulles Intl

Sun 4/19

7:40 pm-12:21 am

1 stop4h 41m

$200

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 2/26

6:23 pm-11:09 pm

1 stop4h 46m

Washington, D.C. Dulles Intl

Sun 3/1

6:00 am-11:56 am

1 stop5h 56m

$200

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 3/20

7:58 pm-12:27 am

1 stop4h 29m

Washington, D.C. Dulles Intl

Mon 3/23

3:35 pm-8:35 pm

1 stop5h 00m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 22 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 January.
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 January 23, 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, 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 January 25, 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 January 25, 2026.
Read reviews from past customers who have flown Delta, 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.
Delta
7.9
Good
8,111 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

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
8,111 reviews
Delta
7.9
Good
8,111 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

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
9,198 reviews
Delta
7.9
Good
8,111 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

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.
American Airlines
7.2
Good
11,197 reviews
Delta
7.9
Good
8,111 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

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 7 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 38m. Your travel time can differ by up to 2h 49m. 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.Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is currently priced 34% 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%), Mesa Airlines (93%) or United 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 $124. On average you can expect to pay $914. The most popular route, (Charleston - Washington, D.C. Dulles Intl), can usually be booked for $152.

  • 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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
Savannah to Baltimore flights
Greenville to Reagan-National flights
Greenville to Dulles Intl flights
Savannah to Dulles Intl flights
Columbia to Dulles Intl flights
Columbia to Reagan-National flights
Greenville to Baltimore flights
Savannah to Reagan-National flights
Columbia to Baltimore flights
Myrtle Beach to Baltimore flights
Myrtle Beach to Dulles Intl flights
Augusta to Dulles Intl flights
Augusta to Reagan-National flights
Myrtle Beach to Reagan-National flights
Augusta to Baltimore flights
Hilton Head Island to Dulles Intl flights
Hilton Head Island to Baltimore flights
Hilton Head Island to Reagan-National flights

Top 3 airlines flying from Charleston to Dulles Intl

Discover the top 3 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 January 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$278FlexibilityNo cancel feeOn-time69%
DeltaCheapest$209Average$287FlexibilityNo cancel feeOn-timeN/A
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.