$81 Cheap Flights from Charleston (CHS) to Washington (IAD)

View $81 flight on Thu, Nov 27, 2025Opens in a new window

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

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Cheap Flights from Charleston to Washington (CHS-IAD)

Prices were available within the past 7 days and start at $81 for one-way flights and $161 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Sep 18 - Sat, Sep 20
CHS
Charleston
IAD
Washington
$161 Roundtrip, found 11 hours ago
$161
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Sep 18 from Charleston to Washington, returning Sat, Sep 20, priced at $161 found 11 hours ago
United
Tue, Aug 26 - Sat, Sep 6
CHS
Charleston
IAD
Washington
$164 Roundtrip, found 5 hours ago
$164
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Aug 26 from Charleston to Washington, returning Sat, Sep 6, priced at $164 found 5 hours ago
United
Mon, Sep 8 - Mon, Sep 15
CHS
Charleston
IAD
Washington
$167 Roundtrip, found 13 hours ago
$167
Roundtrip
found 13 hours ago
Select United flight, departing Mon, Sep 8 from Charleston to Washington, returning Mon, Sep 15, priced at $167 found 13 hours ago
Delta
Thu, Sep 18 - Sat, Sep 20
CHS
Charleston
IAD
Washington
$174 Roundtrip, found 11 hours ago
$174
Roundtrip
found 11 hours ago
Select Delta flight, departing Thu, Sep 18 from Charleston to Washington, returning Sat, Sep 20, priced at $174 found 11 hours ago
Delta
Tue, Aug 26 - Sat, Sep 6
CHS
Charleston
IAD
Washington
$177 Roundtrip, found 5 hours ago
$177
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Aug 26 from Charleston to Washington, returning Sat, Sep 6, priced at $177 found 5 hours ago
Delta
Fri, Oct 24 - Sun, Oct 26
CHS
Charleston
IAD
Washington
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Fri, Oct 24 from Charleston to Washington, returning Sun, Oct 26, priced at $177 just found
United
Sat, Nov 8 - Mon, Nov 10
CHS
Charleston
IAD
Washington
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 8 from Charleston to Washington, returning Mon, Nov 10, priced at $177 found 1 day ago
United
Mon, Sep 8 - Mon, Sep 15
CHS
Charleston
IAD
Washington
$178 Roundtrip, found 13 hours ago
$178
Roundtrip
found 13 hours ago
Select United flight, departing Mon, Sep 8 from Charleston to Washington, returning Mon, Sep 15, priced at $178 found 13 hours ago
American Airlines
Tue, Aug 26 - Sat, Sep 6
CHS
Charleston
IAD
Washington
$251 Roundtrip, found 5 hours ago
$251
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Aug 26 from Charleston to Washington, returning Sat, Sep 6, priced at $251 found 5 hours ago
Frontier Airlines
Thu, Nov 13 - Sun, Nov 16
CHS
Charleston
IAD
Washington
$279 Roundtrip, found 19 hours ago
$279
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Charleston to Washington, returning Sun, Nov 16, priced at $279 found 19 hours ago

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

September is typically the cheapest month to fly

From $144 - $454 per traveler.

Graph displaying average flight prices per month

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 $183
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $183
Flights from Charleston (CHS) to Washington (IAD)
Origin airport
Charleston Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$161
Distance
443 mi
Average flight time
1 hour 43 mins

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 September. 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 $81 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.

 

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 $81 or cheap return flight from $161 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)?
September 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.

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