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$90+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHS
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
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 49 days in advance, depart on a Tuesday or Saturday and return on a Friday

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 June 23, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$90
(United Airlines)

Popular in

November

Cheapest in

April

Average price

$359

Good round-trip deal

$249 or less

Good one-way deal

$159 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 ($62 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 June 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 June 23, 2025.

This United Airlines deal was found by Cheapflights users on 6/21. 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 7/228:25 amIAD - CHS
Nonstop1h 49mUnited Airlines
Tue 7/2910:00 amCHS - IAD
Nonstop1h 35mUnited Airlines
Deal found 6/21$189
This Delta deal was found by Cheapflights users on 6/23. 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 7/110:07 amIAD - CHS
1 stop3h 49mDelta
Fri 7/46:16 pmCHS - IAD
1 stop4h 58mDelta
Deal found 6/23$199
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/98:19 pmIAD - CHS
1 stop3h 38mAmerican Airlines
Sat 8/165:00 amCHS - IAD
1 stop3h 42mAmerican Airlines
Deal found 6/21$251
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:13 pmIAD - CHS
2 stops22h 08mMultiple Airlines
Sun 10/1910:28 amCHS - IAD
3 stops29h 21mMultiple Airlines
Deal found 6/22$307

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 June 23, 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

Tue 7/22

8:25 am-10:14 am

Nonstop1h 49m

Charleston

Tue 7/29

10:00 am-11:35 am

Nonstop1h 35m

$189

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Fri 8/22

7:30 pm-11:51 pm

1 stop4h 21m

Charleston

Sun 8/31

5:15 am-11:44 am

1 stop6h 29m

$204

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 8/9

8:19 pm-11:57 pm

1 stop3h 38m

Charleston

Sat 8/16

5:00 am-8:42 am

1 stop3h 42m

$251

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 10/16

8:13 pm-6:21 pm

2 stops22h 08m

Charleston

Sun 10/19

10:28 am-3:49 pm

3 stops29h 21m

$307

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sun 8/31

12:40 pm-2:33 pm

Nonstop1h 53m

$90

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Fri 10/31

12:35 pm-4:51 pm

1 stop4h 16m

$100

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sun 8/24

4:56 pm-7:05 pm

2 stops26h 09m

$125

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 8/16

2:57 pm-9:42 am

2 stops18h 45m

$183

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 10/16

8:09 pm-12:09 am

1 stop4h 00m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

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 June 20, 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 $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 June 23, 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 43% 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 June 22, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Charleston flight should consider departing on Tuesday at noon 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.

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Charleston, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 23, 2025.
To help decide which airline to fly from Washington, D.C. to Charleston, see what other customers have to say about Delta, United Airlines and Allegiant Air. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,965 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,831 reviews
Delta
8.0
Very good
7,965 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
Allegiant Air
7.3
Good
715 reviews
Delta
8.0
Very good
7,965 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,965 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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 10 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.

  • 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 $189. Other airlines that can offer you cheap pricing are Delta, from $204, and American Airlines, from $251. Users have found that United Airlines is 47% 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?

    $90 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 Delta and Allegiant Air, with prices starting from $100 and $183, 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 (89%), Air Canada (80%) or Mesa Airlines (77%) 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 $374 for a flight from Washington, D.C. Dulles Intl Airport to Charleston. The cheapest flight overall is $129 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$182Average$238FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$348FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$274Average$436FlexibilityNo cancel feeOn-time71%

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