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Charleston

$120+ Cheap flights from Dulles Intl (IAD) to Charleston (CHS)

IAD — CHS
Oct 8 — Oct 151
Thu 10/8
Thu 10/15
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Charleston are usually found in January or October, booked 71 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Dulles Intl to Charleston

Cheapest flights from Dulles Intl to Charleston

Sat 10/33:15 pm -
1 stop6h 20m
Sat 10/106:29 pm -
1 stop6h 13m
Deal found 9/3$237
Mon 9/2811:12 am -
1 stop21h 26m
Thu 10/12:13 pm -
1 stop20h 04m
Deal found 9/7$238
Tue 10/611:12 am -
1 stop21h 26m
Tue 10/133:00 pm -
2 stops33h 21m
Deal found 9/3$245
Mon 9/286:36 pm -
2 stops14h 02m
Fri 10/23:27 pm -
1 stop17h 11m
Deal found 9/7$248
Wed 9/238:15 am -
Nonstop1h 48m
Mon 9/287:53 pm -
Nonstop1h 37m
Deal found 9/3$253
Sat 10/313:03 pm -
1 stop4h 45m
Tue 11/312:12 pm -
1 stop4h 58m
Deal found 9/4$257
Thu 12/1012:34 pm -
1 stop5h 22m
Sun 12/136:19 am -
1 stop5h 20m
Deal found 9/3$258
Mon 9/2811:12 am -
1 stop21h 26m
Sat 10/33:42 pm -
1 stop18h 45m
Deal found 9/7$259
Tue 10/1310:20 pm -
Nonstop1h 55m
Tue 10/203:00 pm -
Nonstop1h 32m
Deal found 9/3$263
Mon 9/2110:27 am -
1 stop22h 11m
Fri 9/258:58 pm -
2 stops20h 20m
Deal found 9/4$265
Sat 9/261:10 pm -
Nonstop1h 50m
Mon 9/287:53 pm -
Nonstop1h 37m
Deal found 9/3$267

Find flight deals from Dulles Intl to Charleston

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Delta)

One-way from

$120
(Kiwi.com)

Popular in

September

Cheapest in

January

Average price

$419

Good round-trip deal

$287 or less

Good one-way deal

$237 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Charleston flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Charleston flights.
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From Washington, D.C. Dulles Intl to Charleston
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One-way flight from Washington, D.C. Dulles Intl to Charleston
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Charleston.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Charleston.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Wed 9/30

5:15 pm-7:05 pm

Nonstop1h 50m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Mon 10/5

1:20 pm-3:10 pm

Nonstop1h 50m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Sat 10/3

10:20 pm-12:15 am

Nonstop1h 55m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223
Quickest round-trip

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Thu 11/19

12:41 pm-2:28 pm

Nonstop1h 47m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Wed 10/21

10:20 pm-12:15 am

Nonstop1h 55m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Sat 11/28

8:18 am-10:09 am

Nonstop1h 51m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Mon 11/23

12:41 pm-2:28 pm

Nonstop1h 47m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$229

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Mon 1/18

4:13 pm-9:05 pm

1 stop4h 52m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Fri 10/16

1:20 pm-3:10 pm

Nonstop1h 50m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

Washington, D.C.Charleston

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

IADCHS

Washington, D.C. Dulles Intl

Wed 10/7

5:15 pm-7:05 pm

Nonstop1h 50m

Charleston

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Dulles Intl to Charleston

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Charleston in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Washington, D.C. Dulles Intl Airport-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Charleston 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 Washington, D.C. Dulles Intl Airport-Charleston 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 Dulles Intl to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Charleston

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Charleston, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Charleston (average of $249). Flying from Washington, D.C. Dulles Intl Airport to Charleston in September is currently the most expensive (average of $419). 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 IAD to CHS?

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Charleston in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.

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

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

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Charleston flights typically cost between $287 and $559 in October.
The cheapest round-trip price found within the last 5 days was $237 on Delta (Oct 3-Oct 10).

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

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Charleston 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 Charleston

See what other customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to Charleston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,175 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,175 reviews
United Airlines
7.4
Good
10,175 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

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

    Most people fly into Charleston (CHS) if they book a flight to Charleston from Washington, D.C. Dulles Intl. On average, Charleston has 4 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Charleston is conveniently located just 10.2 mi from Charleston’s city center.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Charleston can take about 1h 50m. Delta provides one of the quickest options available for as low as $327. The distance between Washington, D.C. Dulles Intl Airport and Charleston is about 442 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Charleston round-trip from $187. Users have found that United Airlines is 45% cheaper than the other options available to this destination.

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Charleston consider choosing ANA (84%), Republic Airways (80%) or Air Canada (78%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $406 for a flight from Washington, D.C. Dulles Intl Airport to Charleston. The cheapest flight overall is $197 while the most popular route, (Washington, D.C. Dulles Intl - Charleston) is currently priced at $299.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Charleston 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 Washington, D.C. Dulles Intl Airport to Charleston?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Charleston (average of $249). Flying from Washington, D.C. Dulles Intl Airport to Charleston in September is currently the most expensive (average of $419). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Santee
Summerville
Walterboro
Mount Pleasant
Goose Creek
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Dulles Intl to Charleston

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$322FlexibilityNo cancel feeOn-time69%

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