The cheapest times to fly from IAD to CHS are
- May 28th to June 10th
- July 2nd to November 18th (except the weeks of July 9th, August 27th, October 1st, October 15th, and October 29th)
- December 3rd to February 25th (except the weeks of December 17th, December 24th, and February 12th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAD to CHS is late January. Prices can be as high as $623 for Sunday flights during mid May, or as low as $133 for Wednesday flights around late January.
When to Fly to Charleston
Flying from Washington, DC (IAD) to Charleston, SC (CHS) will usually cost between $134 to $313 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $139. Due to high demand the most expensive time to fly is mid May, with an average price of $263. Planning your trip to low-cost times can easily save you $124 on economy flights and even more on first-class flights. Generally, any price below $187 can be considered a good price for a round-trip IAD to CHS flight.
See below for a graph of average weekly prices for the IAD to CHS route. All prices are for round-trip tickets in USD.
Compared to other flights, the IAD to CHS flight is much cheaper than the average and costs much less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.26, which is below average.
Flight Prices by Day of the Week
Wednesday is usually the cheapest day to fly to CHS, and Tuesday the cheapest day to fly back into IAD. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $122 (46%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $142. Return trip prices are from the CHS to IAD flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from IAD to CHS can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 47 minutes may be realistic.
Flight Questions Answered
Still have questions about flying from IAD to CHS? We’ve got answers.
Which airlines fly this route?
You can find 5 major airlines flying this route most often: American, Delta, Frontier, Southwest, United, and potentially more during busy seasons.
How far away is it from Charleston AFB/International Airport to Washington Dulles International Airport?
The distance between the two airports is roughly 442 miles or 711 kilometers.
How long does it take to fly from IAD to CHS?
The real-world flight time for a nonstop IAD to CHS flight is about 1 hour 47 minutes.
How many flights go between Washington, DC and Charleston, SC?
It depends on the day of the week and the date, but a typical day might have around 61 available flights from IAD to CHS.
Airport Location Info
|Origination airport name||Washington Dulles International Airport|
|Country||the United States|
|Destination airport name||Charleston AFB/International Airport|
|Country||the United States|
Late and Early Flight Data
Flights from IAD to CHS tend to depart late far less frequently than the average flight. According to our recently updated data, 19% of flights departed 5 or more minutes late, and 31% of flights left 5 or more minutes early. On average you can expect to leave CHS heading for IAD about 8 minutes late. This does significantly impact arrival time, as the average landing time in Charleston, SC is about 1 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- Mesa: 8 minutes late
- Some airlines not reporting
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.