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Dulles Intl

$89+ Cheap flights from Charleston (CHS) to Dulles Intl (IAD)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to Washington, D.C. Dulles Intl are usually found in May or February, booked 66 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Charleston to Dulles Intl

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

$185
(Delta)

One-way from

$89
(Delta)

Popular in

August

Cheapest in

May

Average price

$268

Good round-trip deal

$449 or less

Good one-way deal

$204 or less
From Charleston to Washington, D.C. Dulles Intl
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One-way flight from Charleston to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 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 Charleston to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Charleston to Washington, D.C. Dulles Intl.
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Find flight deals from Charleston to Dulles Intl

Cheapest flights from Charleston to Dulles Intl
Explore the most affordable flight options available from Charleston to Dulles Intl. 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.
Thu 11/66:00 amCHS - IAD
1 stop5h 57mDelta
Sun 11/96:00 amIAD - CHS
1 stop5h 46mDelta
Deal found 9/10$185
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:17 amCHS - IAD
Nonstop1h 33mUnited Airlines
Mon 10/138:15 amIAD - CHS
Nonstop1h 45mUnited Airlines
Deal found 9/11$189
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:48 pmCHS - IAD
Nonstop1h 41mUnited Airlines
Mon 10/68:15 amIAD - CHS
Nonstop1h 45mUnited Airlines
Deal found 9/11$194
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.
Wed 9/242:48 pmCHS - IAD
Nonstop1h 40mUnited Airlines
Wed 10/11:10 pmIAD - CHS
Nonstop1h 53mUnited Airlines
Deal found 9/10$198
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:47 pmCHS - IAD
Nonstop1h 38mUnited Airlines
Sun 9/281:10 pmIAD - CHS
Nonstop1h 53mUnited Airlines
Deal found 9/11$199
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 10/910:17 amCHS - IAD
Nonstop1h 33mUnited Airlines
Sat 10/115:10 pmIAD - CHS
Nonstop1h 53mUnited Airlines
Deal found 9/10$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.
Fri 10/36:37 pmCHS - IAD
1 stop4h 29mDelta
Wed 10/86:00 amIAD - CHS
1 stop4h 20mDelta
Deal found 9/11$209
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 10/15:10 amCHS - IAD
1 stop3h 59mDelta
Mon 10/66:05 amIAD - CHS
1 stop4h 37mDelta
Deal found 9/11$214
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.
Fri 10/316:34 pmCHS - IAD
1 stop4h 27mDelta
Sun 11/27:05 amIAD - CHS
1 stop4h 41mDelta
Deal found 9/10$218
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 9/246:37 pmCHS - IAD
1 stop4h 29mDelta
Sat 9/276:16 pmIAD - CHS
1 stop5h 31mDelta
Deal found 9/10$219
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:03 pmCHS - IAD
1 stop4h 09mDelta
Mon 10/276:00 amIAD - CHS
1 stop4h 20mDelta
Deal found 9/9$220

Cheapflights Fare Finder

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

Fly from

Charleston

Fly to

Dulles Intl

Route

Depart

Return

Price

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 10/2

2:48 pm-4:29 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sun 10/5

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 10/10

10:17 am-11:50 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

Mon 10/13

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 10/9

2:48 pm-4:29 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Mon 10/13

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 10/3

10:17 am-11:50 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

Sun 10/5

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 10/3

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sat 10/4

1:10 pm-3:03 pm

Nonstop1h 53m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sat 12/13

7:38 pm-9:18 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sun 12/14

1:20 pm-3:10 pm

Nonstop1h 50m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 2/12

7:40 pm-9:13 pm

Nonstop1h 33m

Washington, D.C. Dulles Intl

Sun 2/15

12:35 pm-2:13 pm

Nonstop1h 38m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 10/16

10:17 am-11:50 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

Sun 10/19

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sat 12/6

2:51 pm-4:25 pm

Nonstop1h 34m

Washington, D.C. Dulles Intl

Sun 12/7

1:20 pm-3:10 pm

Nonstop1h 50m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 11/7

7:45 pm-9:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 11/10

8:20 am-10:08 am

Nonstop1h 48m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 23 results
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The best insider tips for Charleston to Washington, D.C. Dulles Intl Airport 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 Charleston to Washington, D.C. Dulles Intl Airport trip
Airports
CHS

For early flights, arrive early at CHS as security lines can be long during morning departures.

Read more about CHSby Ramsey Qubein
IAD

Use the Washington Metro Silver Line for a cost-effective and quick trip to downtown from IAD.

Read more about IADby 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 Charleston to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Charleston 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 Charleston to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Charleston to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Dulles Intl. Price data was last updated on August 29, 2025.

The best time to book flights from Charleston to Washington, D.C. Dulles Intl Airport is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Charleston to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 CHS to IAD?

Find hourly flight availability from Charleston to Dulles Intl. 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.

When flying from Charleston to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 77% versus a flight at noon.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Charleston to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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 Charleston to Dulles Intl. 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 from for flights from Charleston to Washington, D.C. Dulles Intl?

    Charleston (CHS), located 10.2 mi from the city center, is the airport you fly out of when you book flights from Charleston to Washington, D.C. Dulles Intl. 3 airlines have flights from Charleston to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Charleston to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 8 outbound flights to Washington, D.C. Dulles Intl per day.

  • How long is the flight from Charleston to Washington, D.C. Dulles Intl Airport?

    United Airlines can get you from Charleston to Washington, D.C. Dulles Intl Airport in just under 1h 41m. Your travel time will be generally consistent. Charleston and Washington, D.C. Dulles Intl Airport are separated by a distance of 442 mi. All flights are typically nonstop.

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

    United Airlines, at $191, was found to be the cheapest airline from Charleston to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is currently priced 38% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Charleston to Washington, D.C. Dulles Intl Airport consider choosing Austrian Airlines (97%), Lufthansa (87%) or Copa Airlines (82%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Charleston to Washington, D.C. Dulles Intl Airport is $113. On average you can expect to pay $968. The most popular route, (Charleston - Washington, D.C. Dulles Intl), can usually be booked for $177.

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

    Yes. In addition to deals on Charleston to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Dulles Intl.

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

    Yes. Cheapflights offers flight deals from Charleston to Dulles Intl 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 Charleston to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Charleston to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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Alternative routes for Charleston to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Dulles Intl flights
Charlotte to Baltimore flights
Charlotte to Reagan-National flights
Greenville to Dulles Intl flights
Charleston to Baltimore flights
Charleston to Reagan-National flights
Greenville to Baltimore flights
Savannah to Dulles Intl flights
Myrtle Beach to Baltimore flights
Savannah to Reagan-National flights
Columbia to Dulles Intl flights
Myrtle Beach to Dulles Intl flights
Columbia to Reagan-National flights
Columbia to Baltimore flights
Savannah to Baltimore flights
Greenville to Reagan-National flights
Myrtle Beach to Reagan-National flights
Augusta to Dulles Intl flights
Augusta to Baltimore flights
Augusta to Reagan-National flights
Hilton Head Island to Dulles Intl flights
Hilton Head Island to Baltimore flights
Hilton Head Island to Reagan-National flights

Top 3 airlines flying from Charleston to Dulles Intl

Discover the top 3 airlines that operate flights from Charleston to Dulles Intl. 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$191Average$315FlexibilityNo cancel feeOn-time69%
DeltaCheapest$213Average$287FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$259Average$268FlexibilityNo cancel feeOn-time71%

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