Cheap flights from Dayton to Washington, D.C. from $129

The month of April is, on average, the cheapest month to fly to Washington, D.C. from Dayton, with most prices found around $235. If you’re not able to fly to Washington, D.C. in April, then October is your next best option. Flight prices from Dayton to Washington, D.C. during October average around $235.

On average, the least expensive day to fly to Washington, D.C. from Dayton is on a Thursday. momondo users have found tickets for Thursday departures for as low as $359. 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 Dayton to Washington, D.C. for around $547.

In the afternoon is the cheapest time of day to fly from Dayton to Washington, D.C. when you can find flight prices for as low as $275. 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 $768. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Dayton to Washington, D.C. Dulles Intl for the best Dayton - Washington, D.C. flight prices

There are 4 cabin classes available to choose from on Dayton 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.

You could potentially save up to 52% on your flight if you consider stops on a Dayton to Washington, D.C. flight.

Delta, United Airlines, and American Airlines are the most popular carriers operating from Dayton to Washington, D.C.

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. from Dayton according to our data. American Airlines is the first choice among our users, with 40% 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.

Historically, on average around 21% of flights between Dayton and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

As of February 2026, there are 4 flights per day flying from Dayton to Washington, D.C.. The most common time of day flights depart is 2:00PM, with 57% of flights taking off at noon.

29 flights are operational weekly from Dayton to Washington, D.C. as of February 2026. The most popular departure day for this route is Tue, with 38% of flights per week taking off on this day.