Cheap Flights from Charleston to Washington Dulles

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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.

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 July.

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 found162 €
Cheapest month to flyJuly
Average flight time1 hr, 38 mins
Most popular airlineUnited
Average flights per week119

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 162 €. 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 June 2025, there are 92 flights per week flying from Charleston to Washington Dulles.
The cheapest month to fly from Charleston to Washington Dulles is usually June 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, 2 July 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

  • Around 1 hour 35 minutes is how long you can expect to be travelling on a direct flight from Charleston International Airport to Washington Dulles International Airport.

  • Washington DC's timezone is UTC-4, which is the same as Charleston.

  • Flights from CHS to IAD start at 10:00 — the first with United Airlines. The last departure is at 19:50 with United Airlines. In total, you can take your pick of 30 weekly Charleston International Airport to Washington Dulles International Airport flights.

  • Leave plenty of time to make your CHS to IAD flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, you'll want to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're travelling during a high season in general.

  • United Airlines has direct flights from Charleston International Airport to Washington Dulles International Airport. Book with this popular carrier, then get ready to tick off the sights in Washington DC — and maybe even more of United States if you have time.

  • The majority of passengers choose to fly with United Airlines on this route.

  • With an impressive 86.78% of services arriving on schedule, United Airlines has the best on-time record for CHS to IAD flights.

  • If you want to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from Charleston International Airport to Washington Dulles International Airport. Here are the top stopovers between CHS and IAD:

    • Charlotte Douglas International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Pittsburgh International Airport

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

  • At the moment, 79 € is the cheapest price we've seen for a one-way Charleston International Airport to Washington Dulles International Airport flight. The best price for a return ticket is 162 €. Remember that fares can change due to availability at the time of booking.

  • Book seven months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from CHS to IAD.

  • Plan your trip for June. That's the cheapest month for flights from Charleston International Airport to Washington Dulles International Airport. If you're flexible with your dates, use the 'Whole month' tool to see the lowest airfare across every month.

  • Snapping up cheap flights from CHS to IAD is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as a lower fare pops up.

  • Tailor your trip with filters. Select your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Charleston International Airport to Washington Dulles International Airport.

Handy information about Charleston International Airport (CHS)

  • 81.5% of flights departing from Charleston International Airport land at their destination as planned. With its strong on-time performance, delays are unlikely when setting off from CHS.

  • To reach Charleston International Airport from central Charleston, it'll take around 30 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 21 kilometres from the airport to the city centre.

  • You can expect a journey time of around 3 hours 35 minutes when using public transport.

  • Have an early flight from Charleston International Airport to Washington Dulles International Airport? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays near CHS:

Arriving at Washington Dulles International Airport (IAD)

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

  • You'll find IAD at 1 Saarinen Circle.

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to get to the centre driving.

  • Getting there by public transport will take you roughly 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • April is the busiest month for flights from Charleston International Airport to Washington Dulles International Airport. To steer clear of the crowds, travel to Washington DC in January.

  • When reserving your flight from Charleston International Airport to Washington Dulles International Airport, consider the kind of weather you enjoy. July is the warmest month in Washington DC, with the temperature ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • Look for cheap tickets from CHS to IAD in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of United States

  • Washington DC is always a good idea, but there are so many other parts of United States just waiting to be discovered. About 322 kilometres north-east of Washington DC, a trip to New York will keep you on the move. Start with leading sights like Statue of Liberty, Central Park and Empire State Building.

  • If you're eager to discover another side of United States, head for Philadelphia, about 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are highlights.

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