Cheap flights from Cincinnati to Washington, D.C. from $104

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Cincinnati, with most prices found around $67. If you’re not able to fly to Washington, D.C. in January, then October is your next best option. Flight prices from Cincinnati to Washington, D.C. during October average around $68.

On average, the least expensive day to fly to Washington, D.C. from Cincinnati is on a Friday. momondo users have found tickets for Friday departures for as low as $345. 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 Cincinnati to Washington, D.C. for around $622.

In the afternoon is the cheapest time of day to fly from Cincinnati to Washington, D.C. when you can find flight prices for as low as $296. 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 $879. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Cincinnati Cinci./N. Kentucky to Baltimore/Washington for the best Cincinnati Cinci./N. Kentucky - Washington, D.C. flight prices

You are more likely to see cheaper flights to Washington, D.C. from Cincinnati when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $312 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 Cincinnati for as low as $189 on momondo.

There are 4 cabin classes available to choose from on Cincinnati 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 7% on your flight if you consider stops on a Cincinnati to Washington, D.C. flight.

As of May 2026, prices for Cincinnati to Washington, D.C. flights are approximately 6% more expensive when compared to flights at the same time last year.

Southwest, Frontier, and United Airlines are the most popular carriers operating from Cincinnati Cinci./N. Kentucky to Washington, D.C.

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. from Cincinnati according to our data. American Airlines is the first choice among our users, with 41% 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.

As of May 2026, there are 19 flights per day flying from Cincinnati to Washington, D.C.. The most common time of day flights depart is 10:00AM, with 49% of flights taking off at noon.

As of May 2026, there are 138 flights per week flying from Cincinnati to Washington, D.C.. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.