$95 Cheap Flights from Charleston (CHS) to Washington (IAD)

View $95 flight on Sun, Jan 18, 2026Opens in a new window

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

Cheap Flights from Charleston to Washington (CHS-IAD)

Prices were available within the past 7 days and start at $95 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, May 12 - Sat, May 16
CHS
Charleston
IAD
Washington
$189 Roundtrip, just found
$189
Roundtrip
just found
Select United flight, departing Tue, May 12 from Charleston to Washington, returning Sat, May 16, priced at $189 just found
United
Sat, Dec 13 - Mon, Dec 15
CHS
Charleston
IAD
Washington
$194 Roundtrip, found 6 hours ago
$194
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Dec 13 from Charleston to Washington, returning Mon, Dec 15, priced at $194 found 6 hours ago
United
Thu, Oct 30 - Mon, Nov 3
CHS
Charleston
IAD
Washington
$194 Roundtrip, found 16 hours ago
$194
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Oct 30 from Charleston to Washington, returning Mon, Nov 3, priced at $194 found 16 hours ago
United
Fri, Oct 24 - Sat, Oct 25
CHS
Charleston
IAD
Washington
$199 Roundtrip, found 17 hours ago
$199
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Oct 24 from Charleston to Washington, returning Sat, Oct 25, priced at $199 found 17 hours ago
United
Sat, Nov 1 - Sun, Nov 2
CHS
Charleston
IAD
Washington
$208 Roundtrip, found 6 hours ago
$208
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Nov 1 from Charleston to Washington, returning Sun, Nov 2, priced at $208 found 6 hours ago
Delta
Thu, Dec 11 - Sun, Dec 14
CHS
Charleston
IAD
Washington
$209 Roundtrip, just found
$209
Roundtrip
just found
Select Delta flight, departing Thu, Dec 11 from Charleston to Washington, returning Sun, Dec 14, priced at $209 just found
United
Thu, Oct 30 - Mon, Nov 3
CHS
Charleston
IAD
Washington
$210 Roundtrip, found 16 hours ago
$210
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Oct 30 from Charleston to Washington, returning Mon, Nov 3, priced at $210 found 16 hours ago
United
Fri, Dec 5 - Sun, Dec 7
CHS
Charleston
IAD
Washington
$213 Roundtrip, found 2 hours ago
$213
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Dec 5 from Charleston to Washington, returning Sun, Dec 7, priced at $213 found 2 hours ago
Delta
Thu, Oct 30 - Sun, Nov 2
CHS
Charleston
IAD
Washington
$214 Roundtrip, found 3 hours ago
$214
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Oct 30 from Charleston to Washington, returning Sun, Nov 2, priced at $214 found 3 hours ago
American Airlines
Tue, Jan 27 - Sat, Jan 31
CHS
Charleston
IAD
Washington
$251 Roundtrip, found 5 hours ago
$251
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Jan 27 from Charleston to Washington, returning Sat, Jan 31, priced at $251 found 5 hours ago

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

August is typically the cheapest month to fly

From $137 - $425 per traveler.

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $199
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $199

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $95 or cheap return flight from $189 from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD)?
May is the most affordable month to fly from CHS to IAD. Traveling during an off-peak travel window is often the key to finding a great deal.
Which airlines fly direct from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD)?
If you're departing from Charleston Intl. Airport (CHS), you can catch a nonstop flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from CHS to IAD. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD)?
When jetting out of Charleston Intl. Airport (CHS), you can pick from an average of 2 daily nonstop flights to Washington Dulles Intl. Airport (IAD).
What are the most popular departure times for flights from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD)?
Flights between CHS and IAD are their busiest at 10 AM. If you're after a more relaxed trip and potentially cheaper tickets, look for a time outside the usual busy windows.
What day of the week has the most flights from CHS to IAD?
If you travel on a Friday, you'll get the biggest range of options for flights from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD)?
Charleston Intl. Airport (CHS)'s earliest flight to Washington Dulles Intl. Airport (IAD) departs at approximately 10:05AM UTC-5. With a total flight time of 1h 38m, you'll touch down at around 11:43AM UTC-5.
How long does it take to fly from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD)?
Flights from CHS to IAD have an average travel time of 1 hour and 37 minutes. The distance between the two airports is 440 mi.
What is the best time to fly from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**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 Washington from Charleston Intl. Airport (CHS)?
Catch a direct flight from Charleston Intl. Airport (CHS) to Washington and land at any one of these hubs:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from CHS to IAD shortly before your trip is usually more expensive. But if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a CHS to IAD flight and hotel package?
Securing a CHS to IAD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Washington Dulles Intl. Airport (IAD)?
Usually, it's possible to reschedule or cancel your CHS to IAD flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Charleston Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$172
Distance
443 mi
Average flight time
1 hour 38 mins

Book with confidence

Charleston to Washington Flights

The cheapest times to fly from Charleston to Washington

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 Charleston to Washington are during the month of May. You can find some of the cheapest flights from Charleston to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Charleston to Washington

Sunday is one of the best days to book for cheap flights from Charleston to Washington: 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 Charleston to Washington

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 Charleston to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $95 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 Charleston to Washington 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 Charleston to Washington 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.

 

Charleston to Washington Flights

Explore a world of travel with Expedia

*Available to One Key members.