Cheap flights from Charleston to Washington, D.C. from $99

The month of November is, on average, the cheapest month to fly to Washington, D.C. from Charleston, with most prices found around $257. If you’re not able to fly to Washington, D.C. in November, then October is your next best option. Flight prices from Charleston to Washington, D.C. during October average around $270.

On average, the least expensive day to fly to Washington, D.C. from Charleston is on a Friday. momondo users have found tickets for Friday departures for as low as $344. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Charleston to Washington, D.C. for around $745.

In the afternoon is the cheapest time of day to fly from Charleston to Washington, D.C. when you can find flight prices for as low as $352. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $657. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Charleston to Washington, D.C. Reagan-National for the best Charleston - Washington, D.C. flight prices

You are more likely to see cheaper flights to Washington, D.C. from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $294 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Charleston for as low as $222 on momondo.

There are 4 cabin classes available to choose from on Charleston to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Charleston to Washington, D.C..

As of August 2026, prices for Charleston to Washington, D.C. flights are approximately 14% more expensive when compared to flights at the same time last year.

Southwest, Delta, and JetBlue are the most popular carriers operating from Charleston to Washington, D.C.

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. from Charleston according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

The number of flights available between Charleston and Washington, D.C. is 15 per day as of August 2026. The most frequent departure time is 2:00PM, with 40% of daily flights leaving in the afternoon.

As of August 2026, 111 flights take off from Charleston and land in Washington, D.C. each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.