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 $199, and American Airlines, from $260. 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 Frontier, with prices starting from $100 and $137, respectively.

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.

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).

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

On average you can expect to pay $318 for a flight from Washington, D.C. Dulles Intl Airport to Charleston. The cheapest flight overall is $159 while the most popular route, (Washington, D.C. Dulles Intl - Charleston) is currently priced at $177.

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 (80%), Air Canada (76%) or Copa Airlines (74%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Charleston?

The most popular airlines flying from Washington, D.C. Dulles Intl Airport to Charleston are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

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

Wednesday flights are generally found to be more expensive for flights from Washington, D.C. Dulles Intl Airport to Charleston. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Charleston.

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

September is one of the best times of the year to fly to Charleston from Washington, D.C. Dulles Intl Airport. Prices for September average $313 per person but you can even find prices for as low as $173. The most expensive prices can be found in the month of November. Opting for a September flight can save you 12% on your journey compared to booking in November

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 11 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.

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.

$90+ Flights from Washington, D.C. Dulles Intl Airport to Charleston

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Charleston are usually found in April or August, booked 49 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Dulles Intl to Charleston

Round-trip from	$189 (United Airlines)
One-way from	$90 (United Airlines)
Popular in	November
Cheapest in	April
Average price	$311
Good round-trip deal	$254 or less
Good one-way deal	$218 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. 16% potential increase in price ($71 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 29, 2025.

Fri 8/228:20 amIAD - CHS

Nonstop1h 47mUnited Airlines

Mon 8/257:45 pmCHS - IAD

Nonstop1h 38mUnited Airlines

Deal found 7/28

$189

Sat 8/306:15 pmIAD - CHS

1 stop5h 40mDelta

Sun 8/315:15 amCHS - IAD

1 stop6h 29mDelta

Deal found 7/28

$199

Mon 8/45:39 pmIAD - CHS

1 stop4h 35mAmerican Airlines

Sun 8/105:00 amCHS - IAD

1 stop3h 42mAmerican Airlines

Deal found 7/27

$266

Sun 11/210:24 amIAD - CHS

1 stop7h 51mFrontier

Thu 11/67:10 pmCHS - IAD

1 stop14h 19mFrontier

Deal found 7/29

$274

Best flights from Dulles Intl to Charleston
Discover carefully curated flight deals from Dulles Intl to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Fri 8/228:20 amIAD - CHS

Nonstop1h 47mUnited Airlines

Mon 8/257:45 pmCHS - IAD

Nonstop1h 38mUnited Airlines

Deal found 7/28

$189

Sat 8/306:15 pmIAD - CHS

1 stop5h 40mDelta

Sun 8/315:15 amCHS - IAD

1 stop6h 29mDelta

Deal found 7/28

$199

Wed 10/88:09 amIAD - CHS

1 stop3h 26mAmerican Airlines

Sun 10/125:00 amCHS - IAD

1 stop3h 49mAmerican Airlines

Deal found 7/27

$260

Sun 11/210:24 amIAD - CHS

1 stop7h 51mFrontier

Thu 11/67:10 pmCHS - IAD

1 stop14h 19mFrontier

Deal found 7/27

$274

Last-minute flights from Dulles Intl to Charleston
Discover last-minute flight deals from Dulles Intl to Charleston. Data last updated July 29, 2025 and is based on user searches.

Mon 8/45:39 pmIAD - CHS

1 stop4h 35mAmerican Airlines

Sun 8/105:00 amCHS - IAD

1 stop3h 42mAmerican Airlines

Deal found 7/27

$266

Tue 8/57:02 amIAD - CHS

1 stop4h 46mDelta

Sat 8/95:15 amCHS - IAD

1 stop4h 41mDelta

Deal found 7/26

$244

Thu 8/711:58 amIAD - CHS

3 stops21h 55mMultiple Airlines

Sun 8/1010:53 amCHS - IAD

3 stops27h 30mMultiple Airlines

Deal found 7/29

$440

Fri 8/88:25 amIAD - CHS

Nonstop1h 49mUnited Airlines

Thu 8/1410:00 amCHS - IAD

Nonstop1h 35mUnited Airlines

Deal found 7/27

$224

Fri 8/228:20 amIAD - CHS

Nonstop1h 47mUnited Airlines

Mon 8/257:45 pmCHS - IAD

Nonstop1h 38mUnited Airlines

Deal found 7/28

$189

Sat 8/306:15 pmIAD - CHS

1 stop5h 40mDelta

Sun 8/315:15 amCHS - IAD

1 stop6h 29mDelta

Deal found 7/28

$199

One-way flights from Dulles Intl to Charleston
Search for one-way flight options from Dulles Intl to Charleston. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sun 8/318:20 amIAD - CHS

Nonstop1h 47mUnited Airlines

Deal found 7/28

$90

Sun 8/313:26 pmIAD - CHS

1 stop5h 58mDelta

Deal found 7/28

$100

Thu 10/910:24 amIAD - CHS

1 stop7h 51mFrontier

Deal found 7/27

$137

Tue 8/56:35 amIAD - CHS

1 stop5h 32mAmerican Airlines

Deal found 7/27

$140

Sat 8/308:12 pmIAD - CHS

2 stops23h 00mMultiple Airlines

Deal found 7/27

$145

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

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Fri 8/22

8:20 am-10:07 am

Nonstop1h 47m

Charleston

Mon 8/25

7:45 pm-9:23 pm

Nonstop1h 38m

$189

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 8/30

6:15 pm-11:55 pm

1 stop5h 40m

Charleston

Sun 8/31

5:15 am-11:44 am

1 stop6h 29m

$199

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Wed 10/8

8:09 am-11:35 am

1 stop3h 26m

Charleston

Sun 10/12

5:00 am-8:49 am

1 stop3h 49m

$260

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sun 11/2

10:24 am-6:15 pm

1 stop7h 51m

Charleston

Thu 11/6

7:10 pm-9:29 am

1 stop14h 19m

$274

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sun 8/31

8:20 am-10:07 am

Nonstop1h 47m

$90

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sun 8/31

3:26 pm-9:24 pm

1 stop5h 58m

$100

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 10/9

10:24 am-6:15 pm

1 stop7h 51m

$137

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 8/5

6:35 am-12:07 pm

1 stop5h 32m

$140

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 8/30

8:12 pm-7:12 pm

2 stops23h 00m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

Airports

IAD

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

CHS

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

Our travel experts

Ramsey Qubein

Expert on IAD and CHS

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?

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?

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?

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.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Charleston

The most flights from IAD to CHS are scheduled on a Friday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Charleston

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

7,979 reviews

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

7,979 reviews

Delta

8.0

Very good

7,979 reviews

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

8,896 reviews

Delta

8.0

Very good

7,979 reviews

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

7,979 reviews

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!

Frontier

5.9

Fair

3,238 reviews

Delta

8.0

Very good

7,979 reviews

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

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 11 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 $199, and American Airlines, from $260. 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 Frontier, with prices starting from $100 and $137, 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 (80%), Air Canada (76%) or Copa Airlines (74%) 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 $318 for a flight from Washington, D.C. Dulles Intl Airport to Charleston. The cheapest flight overall is $159 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

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Santee

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Top 3 airlines flying from Dulles Intl to Charleston

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$182	Average$238	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$189	Average$353	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$323	Average$456	FlexibilityNo cancel fee	On-time71%

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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.

Find cheap flights from Dulles Intl to Charleston with Cheapflights

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Charleston are usually found in April or August, booked 49 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Dulles Intl to Charleston

Round-trip from

One-way from

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Cheapest in

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Good one-way deal

Find flight deals from Dulles Intl to Charleston

Cheapest flights from Dulles Intl to CharlestonExplore 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 July 29, 2025.

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 July 29, 2025.

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.

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

Airports

IAD

CHS

Our travel experts

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.

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 July 25, 2025.

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

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 July 29, 2025.

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 July 27, 2025.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Charleston

Reviews of airlines servicing Charleston

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.

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?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Charleston round-trip?

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

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

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

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

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

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

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

Traveling to a place near Charleston?

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Alternative routes for Dulles Intl to Charleston

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Top 3 airlines flying from Dulles Intl to Charleston

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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 July 29, 2025.