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Cheap Flights from Charleston to Washington D.C.

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Flight deals from Charleston to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Charleston to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
Washington D.C..$287 per passenger.Departing Wed, 23 Apr, returning Wed, 30 Apr.Return flight with United.Outbound direct flight with United departs from Charleston on Wed, 23 Apr, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 30 Apr, arriving in Charleston.Price includes taxes and charges.From $287, select.
Washington D.C..$287 per passenger.Departing Sat, 15 Mar, returning Mon, 17 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Charleston on Sat, 15 Mar, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Mon, 17 Mar, arriving in Charleston.Price includes taxes and charges.From $287, select.
Washington D.C..$293 per passenger.Departing Sat, 10 May, returning Thu, 15 May.Return flight with United.Outbound direct flight with United departs from Charleston on Sat, 10 May, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Thu, 15 May, arriving in Charleston.Price includes taxes and charges.From $293, select.
Washington D.C..$293 per passenger.Departing Fri, 21 Mar, returning Sat, 22 Mar.Return flight with United.Outbound direct flight with United departs from Charleston on Fri, 21 Mar, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 22 Mar, arriving in Charleston.Price includes taxes and charges.From $293, select.
Washington D.C..$304 per passenger.Departing Sat, 22 Mar, returning Sat, 5 Apr.Return flight with United.Outbound direct flight with United departs from Charleston on Sat, 22 Mar, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 5 Apr, arriving in Charleston.Price includes taxes and charges.From $304, select.
Washington D.C..$350 per passenger.Departing Fri, 13 Jun, returning Sun, 22 Jun.Return flight with United.Outbound direct flight with United departs from Charleston on Fri, 13 Jun, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 22 Jun, arriving in Charleston.Price includes taxes and charges.From $350, select.
Washington D.C..$384 per passenger.Departing Tue, 24 Jun, returning Tue, 8 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Charleston on Tue, 24 Jun, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Tue, 8 Jul, arriving in Charleston.Price includes taxes and charges.From $384, select.
Washington D.C..$397 per passenger.Departing Sat, 5 Jul, returning Mon, 21 Jul.Return flight with United.Outbound direct flight with United departs from Charleston on Sat, 5 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 21 Jul, arriving in Charleston.Price includes taxes and charges.From $397, select.

Find the cheapest month to fly from Charleston to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Charleston to Washington Dulles flights are currently cheapest in March.
Mar
from $287
Apr
from $287
May
from $293
Jun
from $350
Jul
from $397
Aug
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Sep
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Oct
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Nov
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Dec
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Jan
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Direct flights from Charleston to Washington Dulles

Charleston to Washington Dulles: Alternative routes

Compare routes from Charleston to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Charleston to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$287
Cheapest month to flyApril
Average flight time1 hr, 38 mins
Most popular airlineUnited
Average flights per week99

Finding cheap flights from Charleston to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Charleston to Washington Dulles is $287. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 38 minutes is the average flight time from Charleston to Washington Dulles.
United, Air Canada and Mesa Airlines fly direct from Charleston to Washington Dulles.
As of March 2025, there are 99 flights per week flying from Charleston to Washington Dulles.
The cheapest month to fly from Charleston to Washington Dulles is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charleston Airport to Washington Dulles Airport on Wednesday, 23 April 2025.
Yes – the average flight time is 1 hour and 38 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Washington Dulles.

Flying from Charleston International Airport (CHS) to Washington Dulles International Airport (IAD): what you need to know

  • On average, direct flights from Charleston International Airport to Washington Dulles International Airport take 1 hour 36 minutes. Washington DC and Charleston are in the same timezone (UTC-4), which means you won't need to change your watch when you arrive.

  • Flights from Charleston International Airport to Washington Dulles International Airport start from 08:15 — the first with United Airlines. The last flight of the day is the 19:50 service with United Airlines. Overall, you can choose from 30 weekly services between CHS and IAD.

  • Flying during a peak time like July? Popular periods (like summer, Christmas and New Year) can add another hour at check-in and security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • Travelling to Washington DC (and exploring more of United States!) is straightforward with United Airlines. This popular airline runs direct flights from Charleston International Airport to Washington Dulles International Airport.

  • We make it simple to book a flight with a stopover. To see your options for flights from Charleston International Airport to Washington Dulles International Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to tour the city of your choice. Popular stopovers between CHS and IAD are:

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

    • Pittsburgh International Airport

  • When flying domestically within United States, you don't need a visa or even a passport. However, you'll have to present some kind of identification, such as a driver's license or ID card. As soon as you've found your cheap ticket from CHS to IAD, make sure your ID is valid before you fly.

How to find the cheapest flights from Charleston International Airport (CHS) to Washington Dulles International Airport (IAD)

  • The lowest price we've found for a one-way ticket from Charleston International Airport to Washington Dulles International Airport is $140. For a return flight on this route, the best price is $287. Depending on the availability when you book, these fares can change.

  • Book 10 months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap flight tickets from CHS to IAD.

  • Schedule your trip for June. That's the cheapest month for tickets from Charleston International Airport to Washington Dulles International Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the lowest price across each month.

  • Snapping up a cheap ticket from CHS to IAD is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when there's a better deal.

  • Use filters to tailor your flights from Charleston International Airport to Washington Dulles International Airport. Simply enter your ideal arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to find the best deals.

Handy information about Charleston International Airport (CHS)

  • Travelling from central Charleston to Charleston International Airport takes approximately 3 hours and 36 minutes by public transport. If you drive, ride-share or hail a cab, you'll cover the 21 kilometres in 28 minutes or so, depending on traffic conditions.

  • Catching an early flight from Charleston International Airport to Washington Dulles International Airport? Avoid rushing to the airport (and enjoy a little extra shut-eye) by picking one of these stays near CHS:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • Washington Dulles International Airport to central Washington DC is around 51 minutes by car. It's approximately 56 kilometres away. Find out what options are available, such as cabs, car rentals or ride-sharing services.

  • It takes around 3 hours and 26 minutes when travelling by public transport.

When to fly to Washington Dulles International Airport (IAD)

  • July is the most popular month for flights from Charleston International Airport to Washington Dulles International Airport. To skip the crowds, travel to Washington DC in February.

  • Book your flight from Charleston International Airport to Washington Dulles International Airport for July if you want to explore Washington DC during its warmest month. Expect temperatures of between 19ºC and 33ºC.

  • If you like travelling in cooler conditions, look for a cheap ticket from CHS to IAD in January. Average temperatures are between -6ºC and 10ºC then.

More about Washington DC

  • Start your Washington DC trip right by finding a wonderful stay. As soon as you've booked your flight from CHS to IAD, browse our range of accommodation options including:

  • All great adventures should include a little sightseeing. White House Historical Association, The White House and National Mall are must-do's during your Washington DC adventure.

  • There's more than one way to travel to and from Washington DC. Ronald Reagan National Airport (DCA) is another great choice. Be sure to check out your options for flying in or out of this domestic airport.

Complete your Washington DC trip with hotels and a car rental

  • Once you've secured your cheap ticket to Washington Dulles International Airport, explore the lowest prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one go to get the best car rental price for your Washington DC getaway.

Plan the rest of your trip from Charleston to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.