Cheap flights from Louisville to Washington, D.C. from $87

The month of November is, on average, the cheapest month to fly to Washington, D.C. from Louisville, with most prices found around $234. If you’re not able to fly to Washington, D.C. in November, then June is your next best option. Flight prices from Louisville to Washington, D.C. during June average around $239.

On average, the least expensive day to fly to Washington, D.C. from Louisville is on a Friday. momondo users have found tickets for Friday departures for as low as $343. 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 Louisville to Washington, D.C. for around $592.

In the afternoon is the cheapest time of day to fly from Louisville to Washington, D.C. when you can find flight prices for as low as $299. 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 $972. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Louisville Intl to Baltimore/Washington for the best Louisville Intl - Washington, D.C. flight prices

You are more likely to see cheaper flights to Washington, D.C. from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $309 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 Louisville for as low as $206 on momondo.

There are 4 cabin classes available to choose from on Louisville Intl 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 8% on your flight if you consider stops on a Louisville to Washington, D.C. flight.

As of February 2026, prices for Louisville to Washington, D.C. flights are approximately 164% more expensive when compared to flights at the same time last year.

Southwest, Delta, and Allegiant Air are the most popular carriers operating from Louisville Intl to Washington, D.C.

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Louisville according to our data. American Airlines is the first choice among our users, with 35% 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 Louisville and Washington, D.C. is 9 per day as of February 2026. The most frequent departure time is 9:00AM, with 61% of daily flights leaving at noon.

As of February 2026, there are 64 flights per week flying from Louisville to Washington, D.C.. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.