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$110+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 July, booked 79 days in advance, depart on a Wednesday 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 September 11, 2025.

Round-trip from

$198
(Delta)

One-way from

$110
(Mytrip)

Popular in

November

Cheapest in

April

Average price

$343

Good round-trip deal

$267 or less

Good one-way deal

$214 or less
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. 15% potential increase in price ($66 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 September 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 9/246:00 amIAD - CHS
1 stop4h 44mDelta
Sat 10/46:00 amCHS - IAD
1 stop5h 57mDelta
Deal found 9/10$198
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/258:15 amIAD - CHS
Nonstop1h 45mUnited Airlines
Mon 9/2910:17 amCHS - IAD
Nonstop1h 33mUnited Airlines
Deal found 9/10$199
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:59 pmIAD - CHS
1 stop18h 25mMultiple Airlines
Thu 10/28:53 pmCHS - IAD
1 stop23h 16mMultiple Airlines
Deal found 9/11$200
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:14 pmIAD - CHS
1 stop13h 43mMultiple Airlines
Wed 10/18:10 pmCHS - IAD
1 stop23h 59mMultiple Airlines
Deal found 9/11$202
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:14 pmIAD - CHS
1 stop13h 43mMultiple Airlines
Thu 10/22:59 pmCHS - IAD
1 stop27h 20mMultiple Airlines
Deal found 9/11$208
This Delta deal was found by Cheapflights users on 9/11. 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 10/156:00 amIAD - CHS
1 stop4h 20mDelta
Mon 10/208:03 pmCHS - IAD
1 stop4h 09mDelta
Deal found 9/11$209
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:14 pmIAD - CHS
1 stop13h 23mMultiple Airlines
Wed 10/18:10 pmCHS - IAD
2 stops16h 45mMultiple Airlines
Deal found 9/11$211
This Delta deal was found by Cheapflights users on 9/11. 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 10/16:00 amIAD - CHS
1 stop4h 44mDelta
Tue 10/76:31 pmCHS - IAD
1 stop4h 29mDelta
Deal found 9/11$214
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:09 pmIAD - CHS
1 stop16h 15mMultiple Airlines
Wed 10/88:10 pmCHS - IAD
1 stop16h 12mMultiple Airlines
Deal found 9/11$216
This United Airlines deal was found by Cheapflights users on 9/9. 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
Sat 11/82:52 pmCHS - IAD
Nonstop1h 33mUnited Airlines
Deal found 9/9$218
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 9/276:16 pmIAD - CHS
1 stop5h 31mDelta
Tue 9/304:44 pmCHS - IAD
1 stop6h 33mDelta
Deal found 9/11$219

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 September 11, 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

Sat 10/25

6:05 am-10:42 am

1 stop4h 37m

Charleston

Mon 10/27

8:03 pm-12:12 am

1 stop4h 09m

$209

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 11/6

8:20 am-10:08 am

Nonstop1h 48m

Charleston

Sat 11/8

2:52 pm-4:25 pm

Nonstop1h 33m

$218

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 11/1

3:33 pm-7:35 pm

1 stop4h 02m

Charleston

Mon 11/3

6:00 am-11:57 am

1 stop5h 57m

$227

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

8:17 pm-12:18 am

1 stop4h 01m

$234

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Wed 9/24

6:00 am-10:44 am

1 stop4h 44m

Charleston

Sat 10/4

2:55 pm-6:39 pm

1 stop3h 44m

$239

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 9/23

5:00 pm-10:01 pm

1 stop5h 01m

Charleston

Thu 10/2

5:10 am-9:09 am

1 stop3h 59m

$239

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Mon 10/13

6:00 am-10:20 am

1 stop4h 20m

Charleston

Thu 10/16

8:03 pm-12:12 am

1 stop4h 09m

$248

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Mon 10/27

8:20 am-10:08 am

Nonstop1h 48m

Charleston

Wed 10/29

7:45 pm-9:23 pm

Nonstop1h 38m

$249

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 9/30

1:10 pm-3:03 pm

Nonstop1h 53m

Charleston

Sat 10/4

7:45 pm-9:25 pm

Nonstop1h 40m

$249

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 10/18

1:10 pm-3:03 pm

Nonstop1h 53m

Charleston

Sun 10/19

7:47 pm-9:25 pm

Nonstop1h 38m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
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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 August 29, 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 September 11, 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 41% 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 7, 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 September 11, 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
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 48m. Delta provides one of the quickest options available for as low as $218. 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 $193. 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 (76%), Air Canada (76%) or ANA (75%) 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 $333 for a flight from Washington, D.C. Dulles Intl Airport to Charleston. The cheapest flight overall is $160 while the most popular route, (Washington, D.C. Dulles Intl - Charleston) is currently priced at $177.

  • 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
Mount Pleasant
Isle of Palms
Santee
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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$193Average$349FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$238FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$436FlexibilityNo cancel feeOn-time71%

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