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 4h 13m. 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 is the cheapest airline to fly 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.. United Airlines is currently priced 37% below the average price you’ll pay for this route.

Weekly flight availability from Charleston to Washington, D.C. Dulles Intl Airport

The most flights from CHS to IAD are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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).

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 $155. On average you can expect to pay $2,023. The most popular route, (Charleston - Washington, D.C. Dulles Intl), can usually be booked for $197.

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 Austrian Airlines (90%), Republic Airways (88%) or Lufthansa (87%) as they are the most reliable in getting you off to your destination on time.

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.

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. 1 airline 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.

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.

$112+ Cheap Flights from Charleston to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 February, booked 48 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Charleston to Dulles Intl

Cheapest

Best

Last-minute

One-way

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 August 31, 2026.

Thu 10/86:00 am -

Nonstop1h 35m

Sat 10/1010:20 pm -

Nonstop1h 55m

Deal found 8/27

$197

Fri 9/187:51 pm -

Nonstop1h 41m

Mon 9/218:15 am -

Nonstop1h 48m

Deal found 8/27

$207

Thu 9/176:52 pm -

1 stop5h 49m

Mon 9/217:17 pm -

1 stop4h 42m

Deal found 8/28

$217

Fri 11/66:05 am -

1 stop5h 45m

Mon 11/910:11 am -

1 stop4h 55m

Deal found 8/27

$227

Thu 11/125:34 pm -

1 stop3h 56m

Mon 11/1612:32 pm -

1 stop5h 27m

Deal found 8/27

$237

Thu 10/83:00 pm -

Nonstop1h 32m

Sun 10/118:15 am -

Nonstop1h 47m

Deal found 8/27

$238

Mon 9/284:57 pm -

1 stop27h 12m

Mon 10/56:36 pm -

2 stops14h 02m

Deal found 8/29

$239

Thu 9/2410:05 pm -

1 stop22h 04m

Mon 9/286:36 pm -

2 stops14h 02m

Deal found 8/30

$243

Thu 9/172:13 pm -

2 stops9h 57m

Mon 9/2110:27 am -

1 stop22h 11m

Deal found 8/27

$245

Fri 9/183:27 pm -

2 stops32h 43m

Tue 9/2211:12 am -

1 stop21h 26m

Deal found 8/28

$246

Fri 9/184:57 pm -

1 stop27h 12m

Mon 9/216:36 pm -

2 stops14h 02m

Deal found 8/27

$247

Best flights from Charleston to Dulles Intl
Discover carefully curated flight deals from Charleston to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.

Wed 9/162:54 pm -

Nonstop1h 32m

Sat 9/198:15 am -

Nonstop1h 48m

Deal found 8/26

$197

Wed 9/166:00 am -

1 stop5h 45m

Sat 9/193:15 pm -

1 stop6h 20m

Deal found 8/26

$217

Thu 10/157:53 pm -

Nonstop1h 37m

Sat 10/171:20 pm -

Nonstop1h 50m

Deal found 8/25

$197

Thu 9/176:52 pm -

1 stop5h 49m

Sun 9/206:00 am -

1 stop4h 08m

Deal found 8/27

$258

Thu 9/172:54 pm -

Nonstop1h 32m

Sun 9/2010:15 pm -

Nonstop1h 56m

Deal found 8/25

$238

Wed 10/76:05 am -

1 stop5h 45m

Sun 10/116:00 am -

1 stop4h 10m

Deal found 8/25

$278

Tue 10/64:20 pm -

1 stop3h 54m

Tue 10/1310:14 am -

1 stop5h 01m

Deal found 8/29

$299

Fri 9/117:51 pm -

Nonstop1h 41m

Sun 9/138:15 am -

Nonstop1h 48m

Deal found 8/28

$309

Fri 12/184:18 pm -

1 stop5h 13m

Mon 12/287:45 pm -

1 stop4h 09m

Deal found 8/30

$334

Fri 9/1110:19 am -

Nonstop1h 31m

Tue 9/158:15 am -

Nonstop1h 48m

Deal found 8/29

$339

Sat 10/1711:05 am -

1 stop5h 28m

Sun 10/188:15 am -

Nonstop1h 47m

Deal found 8/26

$348

Last-minute flights from Charleston to Dulles Intl
Discover last-minute flight deals from Charleston to Dulles Intl. Data last updated August 31, 2026 and is based on user searches.

Wed 9/162:54 pm -

Nonstop1h 32m

Sat 9/198:15 am -

Nonstop1h 48m

Deal found 8/26

$197

Thu 9/176:00 am -

1 stop5h 45m

Mon 9/218:08 am -

1 stop6h 59m

Deal found 8/27

$217

Thu 9/1710:19 am -

Nonstop1h 31m

Sun 9/2010:15 pm -

Nonstop1h 56m

Deal found 8/25

$238

Thu 9/172:13 pm -

2 stops9h 57m

Mon 9/2110:27 am -

1 stop22h 11m

Deal found 8/27

$245

Fri 9/187:51 pm -

Nonstop1h 41m

Mon 9/218:15 am -

Nonstop1h 48m

Deal found 8/27

$207

Fri 9/186:52 pm -

1 stop5h 49m

Mon 9/217:17 pm -

1 stop4h 42m

Deal found 8/27

$227

Fri 9/183:27 pm -

2 stops32h 43m

Tue 9/2211:12 am -

1 stop21h 26m

Deal found 8/28

$246

Fri 9/184:57 pm -

1 stop27h 12m

Mon 9/216:36 pm -

2 stops14h 02m

Deal found 8/27

$247

Fri 9/185:45 am -

Nonstop1h 35m

Sun 9/201:00 pm -

Nonstop1h 50m

Deal found 8/27

$248

Fri 9/256:52 pm -

1 stop5h 49m

Fri 10/27:17 pm -

1 stop4h 42m

Deal found 8/26

$237

Mon 9/284:57 pm -

1 stop27h 12m

Mon 10/56:36 pm -

2 stops14h 02m

Deal found 8/29

$239

One-way flights from Charleston to Dulles Intl
Search for one-way flight options from Charleston to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.

Wed 9/306:00 am -

2 stops35h 18m

Deal found 8/29

$112

Tue 9/223:00 pm -

2 stops33h 10m

Deal found 8/28

$115

Sat 9/196:00 am -

2 stops18h 10m

Deal found 8/27

$117

Sat 9/266:00 am -

2 stops18h 10m

Deal found 8/27

$120

Wed 9/166:00 am -

2 stops35h 18m

Deal found 8/27

$125

Tue 10/133:00 pm -

2 stops26h 18m

Deal found 8/25

$126

Mon 9/284:57 pm -

1 stop27h 12m

Deal found 8/30

$127

Thu 10/18:39 pm -

2 stops27h 31m

Deal found 8/26

$130

Wed 9/236:00 am -

2 stops38h 09m

Deal found 8/30

$134

Find flight deals from Charleston to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$197 (United Airlines)
One-way from	$112 (Kiwi.com)
Popular in	August
Cheapest in	November
Average price	$347
Good round-trip deal	$369 or less
Good one-way deal	$210 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. 10% potential increase in price ($32 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 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

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

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Wed 9/16

2:54 pm-4:26 pm

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sat 9/19

8:15 am-10:03 am

Nonstop1h 48m

$197

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Thu 10/15

7:53 pm-9:30 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 10/17

1:20 pm-3:10 pm

Nonstop1h 50m

$197

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Wed 9/16

6:00 am-11:45 am

1 stop5h 45m

Washington, D.C. Dulles Intl

Sat 9/19

3:15 pm-9:35 pm

1 stop6h 20m

$217

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Thu 9/17

2:54 pm-4:26 pm

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sun 9/20

10:15 pm-12:11 am

Nonstop1h 56m

$238

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Thu 9/17

6:52 pm-12:41 am

1 stop5h 49m

Washington, D.C. Dulles Intl

Sun 9/20

6:00 am-10:08 am

1 stop4h 08m

$258

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Wed 10/7

6:05 am-11:50 am

1 stop5h 45m

Washington, D.C. Dulles Intl

Sun 10/11

6:00 am-10:10 am

1 stop4h 10m

$278

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Tue 10/6

4:20 pm-8:14 pm

1 stop3h 54m

Washington, D.C. Dulles Intl

Tue 10/13

10:14 am-3:15 pm

1 stop5h 01m

$299

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Fri 9/11

7:51 pm-9:32 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sun 9/13

8:15 am-10:03 am

Nonstop1h 48m

$309

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Fri 12/18

4:18 pm-9:31 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Mon 12/28

7:45 pm-11:54 pm

1 stop4h 09m

$334

Quickest round-trip

CharlestonWashington, D.C.

CHS Charleston - IAD Washington, D.C. Dulles Intl

CHSIAD

Charleston

Fri 9/11

10:19 am-11:50 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 9/15

8:15 am-10:03 am

Nonstop1h 48m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 17 resultsSorted by cheapest first

Compare providers for flights from Charleston to Dulles Intl

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 August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

*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.

CHS-IAD

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

Prices

Airlines

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

The best time to book flights from Charleston to Washington, D.C. Dulles Intl Airport is 47 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 $347). 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?

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 morning, which can drop the price by up to 50% versus a flight in the afternoon.

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

Travelers seeking maximum savings on their Charleston to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Monday afternoons 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 Charleston to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Charleston to Washington, D.C. Dulles Intl Airport flights typically cost between $249 and $378 in October.
The cheapest round-trip price found within the last 5 days was $197 on United Airlines (Oct 8-Oct 10).

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

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

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 reviews from past customers who have flown 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.

United Airlines

7.4

Good

10,138 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

10,138 reviews

United Airlines

7.4

Good

10,138 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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. 1 airline 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 4h 13m. 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 is the cheapest airline to fly 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.. United Airlines is currently priced 37% 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 Austrian Airlines (90%), Republic Airways (88%) or Lufthansa (87%) 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 $155. On average you can expect to pay $2,023. The most popular route, (Charleston - Washington, D.C. Dulles Intl), can usually be booked for $197.
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 $347). 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

Alexandria

Owings Mills

Arlington

Tysons

Lanham

Reston

Herndon

Rockville

Chantilly

Hyattsville

Fredericksburg

Woodbridge

Falls Church

Sterling

Hanover

Laurel

Oxon Hill

Clinton

Hunt Valley

Silver Spring

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Dulles Intl flight routes

Flights by cabin class

Other flight options

Other flights from Charleston

Popular flights

Alternative routes for Charleston to Dulles Intl

Top airline flying from Charleston to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$180	Average$278	FlexibilityNo cancel fee	On-time69%

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.

$112+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Charleston to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Charleston to Dulles Intl

Cheapest flights from Charleston to Dulles IntlExplore 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 August 31, 2026.

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 August 31, 2026.

Best flights from Charleston to Dulles IntlDiscover carefully curated flight deals from Charleston to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.

Discover carefully curated flight deals from Charleston to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.

Last-minute flights from Charleston to Dulles IntlDiscover last-minute flight deals from Charleston to Dulles Intl. Data last updated August 31, 2026 and is based on user searches.

Discover last-minute flight deals from Charleston to Dulles Intl. Data last updated August 31, 2026 and is based on user searches.

One-way flights from Charleston to Dulles IntlSearch for one-way flight options from Charleston to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.

Search for one-way flight options from Charleston to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.

Find flight deals from Charleston to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Charleston to Washington, D.C. Dulles Intl Airport that are best for you.

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 August.

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.

Cheapflights Insights

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

The best time to book flights from Charleston to Washington, D.C. Dulles Intl Airport is 47 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?

What is the cheapest time of day to fly from CHS to IAD?

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 morning, which can drop the price by up to 50% versus a flight in the afternoon.

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

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

Airfare is below average for this route at the moment.

Charleston to Washington, D.C. Dulles Intl Airport flights typically cost between $249 and $378 in October.The cheapest round-trip price found within the last 5 days was $197 on United Airlines (Oct 8-Oct 10).

Weekly flight availability from Charleston to Washington, D.C. Dulles Intl Airport

The most flights from CHS to IAD are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown 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.

Related info for your journey

What airport do you fly from for flights from Charleston to Washington, D.C. Dulles Intl?

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

What is the cheapest airline to fly from Charleston to Washington, D.C. Dulles Intl Airport round-trip?

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

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

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

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.

Search flights from Charleston to Dulles Intl by cabin class

Find flights from Charleston to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Charleston and Dulles Intl flights

Browse other Charleston and Dulles Intl flight options. Last updated on August 31, 2026.

Other flights from Charleston

Browse through other flights departing from Charleston. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Charleston to Dulles Intl

100% Free

Book with Flexibility

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 August 31, 2026.

Best flights from Charleston to Dulles Intl
Discover carefully curated flight deals from Charleston to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.

Last-minute flights from Charleston to Dulles Intl
Discover last-minute flight deals from Charleston to Dulles Intl. Data last updated August 31, 2026 and is based on user searches.

One-way flights from Charleston to Dulles Intl
Search for one-way flight options from Charleston to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.

Charleston to Washington, D.C. Dulles Intl Airport flights typically cost between $249 and $378 in October.
The cheapest round-trip price found within the last 5 days was $197 on United Airlines (Oct 8-Oct 10).