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Charleston

$85+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHS
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Charleston are usually found in January or October, booked 71 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap 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 22, 2026.

This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 8/291:20 pm
IAD
-
CHS
Nonstop1h 50m
United Airlines
Sat 9/510:14 am
CHS
-
IAD
Nonstop1h 31m
United Airlines
Deal found 7/21$207
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Wed 8/1911:05 am
IAD
-
CHS
1 stop21h 33m
Multiple Airlines
Tue 8/253:13 pm
CHS
-
IAD
1 stop18h 54m
Multiple Airlines
Deal found 7/20$213
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Tue 9/228:00 pm
IAD
-
CHS
1 stop12h 38m
Multiple Airlines
Tue 9/293:00 pm
CHS
-
IAD
1 stop28h 09m
Multiple Airlines
Deal found 7/20$215
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:20 pm
IAD
-
CHS
Nonstop1h 50m
United Airlines
Wed 8/2610:19 am
CHS
-
IAD
Nonstop1h 31m
United Airlines
Deal found 7/22$217
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Tue 9/111:05 am
IAD
-
CHS
1 stop22h 03m
Multiple Airlines
Tue 9/811:15 am
CHS
-
IAD
1 stop8h 29m
Multiple Airlines
Deal found 7/19$219
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Wed 9/238:00 pm
IAD
-
CHS
1 stop12h 38m
Multiple Airlines
Mon 9/284:57 pm
CHS
-
IAD
1 stop27h 24m
Multiple Airlines
Deal found 7/18$220
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/111:00 pm
IAD
-
CHS
Nonstop1h 50m
United Airlines
Mon 9/145:45 am
CHS
-
IAD
Nonstop1h 35m
United Airlines
Deal found 7/20$222
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Tue 9/298:00 pm
IAD
-
CHS
1 stop12h 38m
Multiple Airlines
Tue 10/69:18 am
CHS
-
IAD
1 stop9h 51m
Multiple Airlines
Deal found 7/19$224
This Delta deal was found by Cheapflights users on 7/17. 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.
Fri 9/1110:15 am
IAD
-
CHS
1 stop5h 05m
Delta
Mon 9/146:51 pm
CHS
-
IAD
1 stop5h 49m
Delta
Deal found 7/17$227
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:09 pm
IAD
-
CHS
1 stop18h 55m
Multiple Airlines
Wed 8/264:04 pm
CHS
-
IAD
2 stops25h 10m
Multiple Airlines
Deal found 7/22$228
This United Airlines deal was found by Cheapflights users on 7/19. 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 9/11:20 pm
IAD
-
CHS
Nonstop1h 50m
United Airlines
Tue 9/810:19 am
CHS
-
IAD
Nonstop1h 31m
United Airlines
Deal found 7/19$232

Find 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 July 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$207
(United Airlines)

One-way from

$85
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$319

Good round-trip deal

$256 or less

Good one-way deal

$268 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Charleston flights.
Search Deals
From Washington, D.C. Dulles Intl to Charleston
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Charleston
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Charleston.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Charleston.
Search Deals

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 July 22, 2026.
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

Cheapest round-trip

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 8/27

1:20 pm-3:10 pm

Nonstop1h 50m

Charleston

Sun 8/30

7:51 pm-9:32 pm

Nonstop1h 41m

$233

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 8/27

6:00 am-10:20 am

1 stop4h 20m

Charleston

Tue 9/1

5:10 am-9:20 am

1 stop4h 10m

$237

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 8/18

5:47 pm-11:59 pm

1 stop6h 12m

Charleston

Tue 8/25

2:17 pm-8:05 pm

1 stop5h 48m

$247
Quickest round-trip

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 8/6

8:25 am-10:11 am

Nonstop1h 46m

Charleston

Thu 8/13

2:54 pm-4:26 pm

Nonstop1h 32m

$248

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Wed 8/5

8:28 am-1:11 pm

1 stop4h 43m

Charleston

Mon 8/10

5:10 am-9:20 am

1 stop4h 10m

$284

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Tue 8/4

6:00 am-10:20 am

1 stop4h 20m

Charleston

Wed 8/12

1:01 pm-8:05 pm

1 stop7h 04m

$284

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 8/6

8:25 am-10:11 am

Nonstop1h 46m

Charleston

Mon 8/10

10:00 am-11:37 am

Nonstop1h 37m

$289

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Fri 8/7

10:16 am-4:00 pm

1 stop5h 44m

Charleston

Sun 8/9

5:10 am-9:20 am

1 stop4h 10m

$299

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Sat 8/29

3:40 pm-9:34 pm

1 stop5h 54m

Charleston

Sat 9/5

10:14 am-11:45 am

Nonstop1h 31m

$313

Washington, D.C.Charleston

IAD - CHS

IADCHS

Washington, D.C. Dulles Intl

Thu 11/12

7:00 am-1:46 pm

1 stop6h 46m

Charleston

Sun 11/15

7:59 pm-12:20 am

1 stop4h 21m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 21 resultsSorted by cheapest first
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3

Compare providers for flights from Dulles Intl to Charleston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Charleston in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Charleston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 70 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Charleston (average of $249). Flying from Washington, D.C. Dulles Intl Airport to Charleston in February is currently the most expensive (average of $418). 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 July 22, 2026.

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 34% 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 July 18, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Charleston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Charleston?

The best insider tips for Washington, D.C. Dulles Intl Airport to Charleston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Charleston trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and CHS

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

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 July 22, 2026.
See what other customers who have flown with Delta and United 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
7.8
Good
8,476 reviews

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,476 reviews
Delta
7.8
Good
8,476 reviews

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,020 reviews
Delta
7.8
Good
8,476 reviews

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 11 inbound flights from Washington, D.C. Dulles Intl per day from 2 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 50m. United Airlines provides one of the quickest options available for as low as $233. 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 $162. Another airline that can offer you cheap pricing is United Airlines. Users have found that Delta is 52% 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 Republic Airways (96%), ANA (89%) or Copa Airlines (84%) 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 $311 for a flight from Washington, D.C. Dulles Intl Airport to Charleston. The cheapest flight overall is $164 while the most popular route, (Washington, D.C. Dulles Intl - Charleston) is currently priced at $207.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Charleston (average of $249). Flying from Washington, D.C. Dulles Intl Airport to Charleston in February is currently the most expensive (average of $418). 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
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Goose Creek
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Dulles Intl to Charleston

Discover the top 2 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 July 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$162Average$263FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$326FlexibilityNo cancel feeOn-time69%

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