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$97+ Cheap flights from Dulles Intl (IAD) to Charleston (CHS)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Charleston are usually found in April or October, booked 49 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Dulles Intl to Charleston

Cheapest flights from Dulles Intl to Charleston
Explore the most affordable flight options available from Dulles Intl to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

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.
Thu 12/187:01 amIAD - CHS
1 stop6h 22mDelta
Mon 1/56:26 pmCHS - IAD
1 stop4h 40mDelta
Deal found 12/11$254
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amIAD - CHS
1 stop4h 46mDelta
Thu 12/257:30 amCHS - IAD
1 stop4h 43mDelta
Deal found 12/10$269
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.
Wed 12/314:17 pmIAD - CHS
1 stop4h 22mDelta
Thu 1/16:00 amCHS - IAD
1 stop3h 49mDelta
Deal found 12/11$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.
Wed 12/175:10 pmIAD - CHS
Nonstop1h 51mUnited Airlines
Wed 12/317:45 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Deal found 12/10$294
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 12/305:10 pmIAD - CHS
Nonstop1h 54mUnited Airlines
Sun 1/47:45 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Deal found 12/10$298
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amIAD - CHS
1 stop4h 46mDelta
Sun 12/215:25 amCHS - IAD
1 stop4h 21mDelta
Deal found 12/10$299
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:00 amIAD - CHS
1 stop4h 05mDelta
Thu 12/255:30 amCHS - IAD
1 stop4h 19mDelta
Deal found 12/10$302
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.
Tue 12/238:22 amIAD - CHS
Nonstop2h 02mUnited Airlines
Fri 12/267:45 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Deal found 12/11$304
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.
Thu 12/185:10 pmIAD - CHS
Nonstop1h 54mUnited Airlines
Thu 12/252:50 pmCHS - IAD
Nonstop1h 40mUnited 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 amIAD - CHS
1 stop4h 46mDelta
Sat 12/208:05 pmCHS - IAD
1 stop4h 07mDelta
Deal found 12/11$319
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:59 pmIAD - CHS
1 stop3h 49mDelta
Thu 12/255:30 amCHS - IAD
1 stop4h 19mDelta
Deal found 12/10$324
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 12/131:20 pmIAD - CHS
Nonstop1h 50mUnited Airlines
Wed 12/317:45 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Deal found 12/10$327

Find flight deals from Dulles Intl to Charleston

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

$97
(Mytrip)

Popular in

February

Cheapest in

April

Average price

$365

Good round-trip deal

$249 or less

Good one-way deal

$200 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Charleston flights.
Search Deals
From Washington, D.C. Dulles Intl to Charleston
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Charleston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 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 Washington, D.C. Dulles Intl to Charleston.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Charleston.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Charleston 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 Washington, D.C. Dulles Intl Airport to Charleston that are best for you.

Fly from

Dulles Intl

Fly to

Charleston

Route

Depart

Return

Price

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 1/15

6:00 am-10:59 am

1 stop4h 59m

Charleston

Mon 1/19

6:23 pm-11:06 pm

1 stop4h 43m

$191

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 1/10

8:00 am-12:05 pm

1 stop4h 05m

Charleston

Mon 1/12

7:00 pm-11:37 pm

1 stop4h 37m

$191

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 1/29

12:23 pm-5:13 pm

1 stop4h 50m

Charleston

Sun 2/1

6:00 am-11:43 am

1 stop5h 43m

$200

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Wed 1/21

12:55 pm-2:48 pm

Nonstop1h 53m

Charleston

Sat 1/24

2:58 pm-4:30 pm

Nonstop1h 32m

$204

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Fri 1/9

9:00 am-1:37 pm

1 stop4h 37m

Charleston

Sun 1/11

6:00 am-11:43 am

1 stop5h 43m

$209

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Fri 1/23

7:15 am-11:48 am

1 stop4h 33m

Charleston

Sun 1/25

5:25 am-9:13 am

1 stop3h 48m

$209

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 5/16

6:00 am-11:24 am

1 stop5h 24m

Charleston

Tue 5/19

6:00 am-11:51 am

1 stop5h 51m

$209

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Wed 5/20

12:35 pm-2:13 pm

Nonstop1h 38m

Charleston

Sun 5/24

6:00 am-7:24 am

Nonstop1h 24m

$224

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 2/14

1:00 pm-2:49 pm

Nonstop1h 49m

Charleston

Tue 2/17

7:47 pm-9:25 pm

Nonstop1h 38m

$231

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Fri 1/16

12:55 pm-2:48 pm

Nonstop1h 53m

Charleston

Mon 1/19

7:45 pm-9:25 pm

Nonstop1h 40m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 23 results
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Compare providers for flights from Dulles Intl to Charleston

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Charleston. Price data was last updated on December 5, 2025.

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 49 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Charleston (average of $52). Flying from Washington, D.C. Dulles Intl Airport to Charleston in March is currently the most expensive (average of $192). 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?

Find hourly flight availability from Dulles Intl to Charleston. 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.

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 38% 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?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Charleston. Price data was last updated on December 6, 2025.

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.

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

For a smooth departure, use the Aerotrain to navigate between terminals, but allow extra time for long walks to gates.

Read more about IADBy Ramsey Qubein
CHS

Rideshare services are a convenient option from CHS to downtown Charleston, offering frequency and in-app tracking.

Read more about CHSBy 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 Charleston

Get insights into the airlines that provide service to Charleston. 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 Charleston. Reviews last updated December 12, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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.
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Charleston. 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 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 8 inbound flights from Washington, D.C. Dulles Intl per day from 3 airlines. 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 53m. Delta provides one of the quickest options available for as low as $204. 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 are the cheapest airlines flying 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 $162. Other airlines that can offer you cheap pricing are United Airlines, from $189, and American Airlines, from $310. Users have found that Delta is 51% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Charleston one-way?

    $119 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $139 and $149, respectively.

  • 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 (90%), Air Canada (88%) or Republic Airways (88%) 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 $275 for a flight from Washington, D.C. Dulles Intl Airport to Charleston. The cheapest flight overall is $124 while the most popular route, (Washington, D.C. Dulles Intl - Charleston) is currently priced at $144.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Charleston (average of $52). Flying from Washington, D.C. Dulles Intl Airport to Charleston in March is currently the most expensive (average of $192). 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
Isle of Palms
Mount Pleasant
Edisto Beach

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Alternative routes for Dulles Intl to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dulles Intl to Charleston

Discover the top 3 airlines that operate flights from Dulles Intl to Charleston. 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$325FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$238FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$381FlexibilityNo cancel feeOn-time71%

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