Popular airlines from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)

Cheap Flights from Washington to Charleston (IAD-CHS)

Prices were available within the past 7 days and start at $100 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Dec 6 - Fri, Dec 12
IAD
Washington
CHS
Charleston
$189 Roundtrip, found 6 days ago
$189
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 6 from Washington to Charleston, returning Fri, Dec 12, priced at $189 found 6 days ago
United
Wed, Dec 17 - Sun, Dec 21
IAD
Washington
CHS
Charleston
$189 Roundtrip, found 2 hours ago
$189
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Dec 17 from Washington to Charleston, returning Sun, Dec 21, priced at $189 found 2 hours ago
United
Thu, Nov 27 - Tue, Dec 2
IAD
Washington
CHS
Charleston
$194 Roundtrip, found 5 hours ago
$194
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Nov 27 from Washington to Charleston, returning Tue, Dec 2, priced at $194 found 5 hours ago
United
Tue, Nov 11 - Sat, Nov 15
IAD
Washington
CHS
Charleston
$199 Roundtrip, just found
$199
Roundtrip
just found
Select United flight, departing Tue, Nov 11 from Washington to Charleston, returning Sat, Nov 15, priced at $199 just found
United
Mon, Nov 24 - Fri, Nov 28
IAD
Washington
CHS
Charleston
$208 Roundtrip, found 10 hours ago
$208
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Nov 24 from Washington to Charleston, returning Fri, Nov 28, priced at $208 found 10 hours ago
Delta
Wed, Jun 3 - Wed, Jun 10
IAD
Washington
CHS
Charleston
$209 Roundtrip, just found
$209
Roundtrip
just found
Select Delta flight, departing Wed, Jun 3 from Washington to Charleston, returning Wed, Jun 10, priced at $209 just found
United
Fri, Nov 21 - Sun, Nov 23
IAD
Washington
CHS
Charleston
$211 Roundtrip, found 10 hours ago
$211
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Nov 21 from Washington to Charleston, returning Sun, Nov 23, priced at $211 found 10 hours ago
United
Sat, Nov 29 - Tue, Dec 2
IAD
Washington
CHS
Charleston
$213 Roundtrip, found 14 hours ago
$213
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Nov 29 from Washington to Charleston, returning Tue, Dec 2, priced at $213 found 14 hours ago
United
Wed, Nov 12 - Sun, Nov 16
IAD
Washington
CHS
Charleston
$216 Roundtrip, found 7 hours ago
$216
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Nov 12 from Washington to Charleston, returning Sun, Nov 16, priced at $216 found 7 hours ago
American Airlines
Sat, Dec 13 - Wed, Dec 17
IAD
Washington
CHS
Charleston
$251 Roundtrip, just found
$251
Roundtrip
just found
Select American Airlines flight, departing Sat, Dec 13 from Washington to Charleston, returning Wed, Dec 17, priced at $251 just found

Find the cheapest month to fly from Washington (IAD) to Charleston (CHS)

August is typically the cheapest month to fly

From $137 - $321 per traveler.

Alternative airports near Charleston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Charleston Intl. CHS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $199
CHS
Charleston Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $199

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS) cost?
Snag a cheap one-way flight from $100 or cheap return flight from $189 from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
The cheapest month to fly from IAD to CHS is December, when there's less demand. Off-peak months are typically when better flight deals are available between these airports.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
You can fly straight from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS) on a United Airlines flight.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from IAD to CHS. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
When jetting out of Washington Dulles Intl. Airport (IAD), you can choose from an average of 2 daily direct flights to Charleston Intl. Airport (CHS).
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
Flights between IAD and CHS tend to be busiest at 1 PM. For a more relaxed trip and potentially cheaper tickets, choose a time outside the usual busy windows.
What day of the week has the most flights from IAD to CHS?
Friday offers the most flights from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS). Consider jetting off on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
The first flight of the day leaving from Washington Dulles Intl. Airport (IAD) is at around 8:25AM UTC-5. Board this plane and you'll touch down at Charleston Intl. Airport (CHS) at approximately 10:28AM UTC-5. The entire trip takes 2h 3m.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
The average flight duration from IAD to CHS is 2 hours and 1 minute, covering a total distance of 440 mi.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
To arrive at Charleston Intl. Airport (CHS) on schedule, select a flight that leaves from Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Charleston from Washington Dulles Intl. Airport (IAD)?
Browse your flight options from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS). This is the only Charleston airport you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS) last-minute?
Waiting until just before your departure to book a flight from IAD to CHS often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary for a better chance of getting a bargain.
Is it cheaper to book an IAD to CHS flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to CHS flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of planning your trip. Just pick your flights and select from our wide range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Charleston Intl. Airport (CHS)?
Typically, you can cancel or modify your IAD to CHS flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, head to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Charleston Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$188
Distance
443 mi
Average flight time
1 hour 49 mins

Book with confidence

Washington to Charleston Flights

The cheapest times to fly from Washington to Charleston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Charleston are during the month of December. You can find some of the cheapest flights from Washington to Charleston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Charleston

Sunday is one of the best days to book for cheap flights from Washington to Charleston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Charleston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Charleston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Charleston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Charleston Flights

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*Available to One Key members.