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Dulles Intl

$90+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — IAD
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 51 days in advance, depart on a Thursday or Tuesday 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 septiembre 17, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$90
(United Airlines)

Popular in

November

Cheapest in

May

Average price

$321

Good round-trip deal

$435 or less

Good one-way deal

$191 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. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 septiembre 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 10/107:47 pmCHS - IAD
Nonstop1h 38mUnited Airlines
lun. 10/138:15 amIAD - CHS
Nonstop1h 45mUnited Airlines
Deal found 9/15$189
This United Airlines deal was found by Cheapflights users on 9/16. 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.
mié. 10/12:48 pmCHS - IAD
Nonstop1h 41mUnited Airlines
mar. 10/211:10 pmIAD - CHS
Nonstop1h 53mUnited Airlines
Deal found 9/16$194
This United Airlines deal was found by Cheapflights users on 9/17. 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.
mié. 10/12:48 pmCHS - IAD
Nonstop1h 41mUnited Airlines
lun. 10/68:15 amIAD - CHS
Nonstop1h 45mUnited Airlines
Deal found 9/17$199
This Delta deal was found by Cheapflights users on 9/17. 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.
vie. 10/248:03 pmCHS - IAD
1 stop4h 09mDelta
dom. 10/266:05 amIAD - CHS
1 stop4h 37mDelta
Deal found 9/17$209
This United Airlines deal was found by Cheapflights users on 9/17. 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.
vie. 11/77:45 pmCHS - IAD
Nonstop1h 38mUnited Airlines
dom. 11/98:20 amIAD - CHS
Nonstop1h 48mUnited Airlines
Deal found 9/17$213
This Delta deal was found by Cheapflights users on 9/15. 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.
vie. 10/36:37 pmCHS - IAD
1 stop4h 29mDelta
lun. 10/66:00 amIAD - CHS
1 stop4h 20mDelta
Deal found 9/15$214
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
lun. 10/1310:11 amCHS - IAD
2 stops33h 35mMultiple Airlines
lun. 10/207:59 pmIAD - CHS
1 stop13h 29mMultiple Airlines
Deal found 9/15$217
This Delta deal was found by Cheapflights users on 9/16. 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.
mié. 10/16:20 amCHS - IAD
1 stop5h 20mDelta
lun. 10/65:52 pmIAD - CHS
1 stop6h 07mDelta
Deal found 9/16$219
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
vie. 10/243:33 pmCHS - IAD
1 stop5h 40mMultiple Airlines
lun. 10/2710:33 pmIAD - CHS
1 stop10h 04mMultiple Airlines
Deal found 9/16$223
This Delta deal was found by Cheapflights users on 9/15. 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.
mar. 10/145:35 amCHS - IAD
1 stop3h 41mDelta
mar. 10/2112:09 pmIAD - CHS
1 stop5h 42mDelta
Deal found 9/15$230
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 10/77:47 pmCHS - IAD
Nonstop1h 38mUnited Airlines
mié. 10/81:10 pmIAD - CHS
Nonstop1h 53mUnited Airlines
Deal found 9/15$231
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
vie. 10/319:10 pmCHS - IAD
2 stops26h 45mMultiple Airlines
dom. 11/28:36 pmIAD - CHS
1 stop12h 21mMultiple Airlines
Deal found 9/16$232

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 septiembre 17, 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

mié. 10/8

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

dom. 10/12

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

vie. 11/14

7:45 pm-9:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

lun. 11/17

8:20 am-10:08 am

Nonstop1h 48m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

jue. 10/23

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

dom. 10/26

8:20 am-10:08 am

Nonstop1h 48m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

jue. 10/16

10:17 am-11:50 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

dom. 10/19

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

vie. 10/17

8:03 pm-12:12 am

1 stop4h 09m

Washington, D.C. Dulles Intl

lun. 10/20

7:35 pm-11:59 pm

1 stop4h 24m

$209

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

jue. 10/23

5:35 am-9:16 am

1 stop3h 41m

Washington, D.C. Dulles Intl

dom. 10/26

6:00 am-10:20 am

1 stop4h 20m

$209

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

jue. 10/16

8:03 pm-12:12 am

1 stop4h 09m

Washington, D.C. Dulles Intl

dom. 10/19

6:00 am-10:20 am

1 stop4h 20m

$209

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

vie. 10/31

6:34 pm-11:01 pm

1 stop4h 27m

Washington, D.C. Dulles Intl

lun. 11/3

3:33 pm-8:51 pm

1 stop5h 18m

$209

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

jue. 11/6

6:00 am-11:57 am

1 stop5h 57m

Washington, D.C. Dulles Intl

dom. 11/9

6:00 am-11:46 am

1 stop5h 46m

$209

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

sáb. 11/1

12:54 pm-4:57 pm

1 stop4h 03m

Washington, D.C. Dulles Intl

sáb. 11/8

5:52 pm-11:59 pm

1 stop6h 07m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 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 September 12, 2025.

The best time to book flights from Charleston to Washington, D.C. Dulles Intl Airport is 51 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 septiembre 17, 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 septiembre 17, 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
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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 and Delta can get you from Charleston to Washington, D.C. Dulles Intl Airport in just under 1h 38m. Your travel time can differ by up to 2h 31m. Charleston and Washington, D.C. Dulles Intl Airport are separated by a distance of 442 mi. This flight may include one or multiple stops.

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

    United Airlines, at $190, 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 (94%), Lufthansa (89%) or Mesa Airlines (88%) 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 $950. The most popular route, (Charleston - Washington, D.C. Dulles Intl), can usually be booked for $184.

  • 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
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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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.
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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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$190Average$314FlexibilityNo cancel feeOn-time69%
DeltaCheapest$253Average$330FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$259Average$268FlexibilityNo cancel feeOn-time71%

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