Cheap flights from Cincinnati to Washington, D.C. from $47

In general, January is the cheapest month to fly from Cincinnati to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $279. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $297.

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $477. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Cincinnati to Washington, D.C. Dulles Intl Airport for around $838.

Flying to Washington, D.C. Dulles Intl Airport from Cincinnati in the morning is the least expensive time of day to depart. momondo users have found prices as low as $470 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,080 on average. Flights to Washington, D.C. Dulles Intl Airport from Cincinnati at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Cincinnati when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $328 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Cincinnati for as low as $189 on momondo.

There are 4 cabin classes available to choose from on Cincinnati to Washington, D.C. Dulles Intl Airport 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 25% on your flight if you consider stops on a Cincinnati to Washington, D.C. Dulles Intl Airport flight.

As of October 2026, prices for Cincinnati to Washington, D.C. Dulles Intl Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

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

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Cincinnati according to our data. United Airlines is the first choice among our users, with 97% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

As of October 2026, 11 flights take off from Cincinnati and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 10:00AM, with 41% of daily flights taking off at noon.

As of October 2026, there are 82 flights per week flying from Cincinnati to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Tue, with 15% of flights taking off on this day.