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$112+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHS
Oct 31 — Nov 71
Fri 10/31
Fri 11/7
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 July, booked 79 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap 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 October 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$208
(United Airlines)

One-way from

$112
(Mytrip)

Popular in

December

Cheapest in

April

Average price

$356

Good round-trip deal

$264 or less

Good one-way deal

$128 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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Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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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Find 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 October 1, 2025.

This United Airlines deal was found by Cheapflights users on 9/29. 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 10/271:20 pmIAD - CHS
Nonstop1h 49mUnited Airlines
Mon 11/37:45 pmCHS - IAD
Nonstop1h 38mUnited Airlines
Deal found 9/29$208
This Delta deal was found by Cheapflights users on 10/1. 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 11/89:00 amIAD - CHS
1 stop6h 09mDelta
Mon 11/106:28 pmCHS - IAD
1 stop5h 48mDelta
Deal found 10/1$209
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/138:20 amIAD - CHS
Nonstop1h 48mUnited Airlines
Mon 11/177:45 pmCHS - IAD
Nonstop1h 38mUnited Airlines
Deal found 9/28$213
This Delta deal was found by Cheapflights users on 9/29. 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 10/186:00 amIAD - CHS
1 stop5h 49mDelta
Tue 10/217:09 amCHS - IAD
1 stop4h 20mDelta
Deal found 9/29$214
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/68:20 amIAD - CHS
Nonstop1h 48mUnited Airlines
Sun 11/910:00 amCHS - IAD
Nonstop1h 35mUnited Airlines
Deal found 9/30$217
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/228:20 amIAD - CHS
Nonstop1h 48mUnited Airlines
Tue 11/252:52 pmCHS - IAD
Nonstop1h 33mUnited Airlines
Deal found 9/29$218
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Mon 10/2710:33 pmIAD - CHS
1 stop10h 04mMultiple Airlines
Wed 10/297:55 pmCHS - IAD
2 stops20h 39mMultiple Airlines
Deal found 9/30$221
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sun 10/128:15 amIAD - CHS
Nonstop1h 45mUnited Airlines
Sat 10/187:45 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Deal found 9/30$224
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/278:20 amIAD - CHS
Nonstop1h 48mUnited Airlines
Wed 10/292:52 pmCHS - IAD
Nonstop1h 33mUnited Airlines
Deal found 9/30$231
This Delta deal was found by Cheapflights users on 9/30. 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 11/256:00 amIAD - CHS
1 stop5h 46mDelta
Fri 11/286:00 amCHS - IAD
1 stop5h 31mDelta
Deal found 9/30$234
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Sun 11/28:36 pmIAD - CHS
1 stop12h 21mMultiple Airlines
Thu 11/66:11 pmCHS - IAD
2 stops22h 23mMultiple Airlines
Deal found 9/30$235

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 October 1, 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

Fri 11/14

5:59 pm-11:57 pm

1 stop5h 58m

Charleston

Mon 11/17

8:15 pm-12:16 am

1 stop4h 01m

$209

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 10/14

6:05 am-10:42 am

1 stop4h 37m

Charleston

Sat 10/25

7:09 am-11:29 am

1 stop4h 20m

$214

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sun 10/12

8:15 am-10:00 am

Nonstop1h 45m

Charleston

Sat 10/18

7:45 pm-9:25 pm

Nonstop1h 40m

$224

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 11/25

6:00 am-11:46 am

1 stop5h 46m

Charleston

Fri 11/28

6:00 am-11:31 am

1 stop5h 31m

$234

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 11/18

6:00 am-11:46 am

1 stop5h 46m

Charleston

Sun 11/23

5:25 am-9:10 am

1 stop3h 45m

$234

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Fri 12/5

1:20 pm-3:10 pm

Nonstop1h 50m

Charleston

Mon 12/8

7:47 pm-9:25 pm

Nonstop1h 38m

$237

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 11/8

1:20 pm-3:09 pm

Nonstop1h 49m

Charleston

Tue 11/11

7:45 pm-9:23 pm

Nonstop1h 38m

$249

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Wed 10/15

5:10 pm-7:01 pm

Nonstop1h 51m

Charleston

Sun 10/19

7:47 pm-9:25 pm

Nonstop1h 38m

$259

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Mon 11/10

1:20 pm-3:09 pm

Nonstop1h 49m

Charleston

Fri 11/14

2:52 pm-4:25 pm

Nonstop1h 33m

$260

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Mon 11/3

3:33 pm-8:51 pm

1 stop5h 18m

Charleston

Fri 11/7

7:05 pm-11:57 am

2 stops16h 52m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 20 results
1
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on 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.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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

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 September 26, 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 79 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 $217). Flying from Washington, D.C. Dulles Intl Airport to Charleston in March is currently the most expensive (average of $335). 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 October 1, 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 42% 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 September 28, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Charleston flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 1, 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
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
11,030 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 9 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 45m. Delta provides one of the quickest options available for as low as $224. 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 $191. Other airlines that can offer you cheap pricing are Delta, from $208, and American Airlines, from $310. Users have found that United Airlines is 46% 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 Copa Airlines (82%), Air Canada (81%) or ANA (79%) 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 $255 for a flight from Washington, D.C. Dulles Intl Airport to Charleston. The cheapest flight overall is $115 while the most popular route, (Washington, D.C. Dulles Intl - Charleston) is currently priced at $189.

  • 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 $217). Flying from Washington, D.C. Dulles Intl Airport to Charleston in March is currently the most expensive (average of $335). 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
Summerville
Walterboro
Isle of Palms
Santee
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 October 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$191Average$343FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$238FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$456FlexibilityNo cancel feeOn-time71%

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