Cheap flights from Washington, D.C. to Louisville from $91

If you are unable to visit Louisville during the month of August, then departing from Washington, D.C. during the month July is also very affordable. Most momondo users find prices during this month for around $268.

On average, the least expensive day to fly to Louisville from Washington, D.C. is on a Saturday. momondo users have found tickets for Saturday departures for as low as $278. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. to Louisville on a Monday will generally be more expensive and average around $451. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Washington, D.C. to Louisville flights are usually those with departure times in the morning. Our users have found flights to Louisville in the morning for as low as $304. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $315 per ticket.

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

You are more likely to see cheaper flights to Louisville from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $322 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Washington, D.C. for as low as $219 on momondo.

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

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

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Louisville from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 5 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

As of March 2026, 8 flights take off from Washington, D.C. and land in Louisville each day. The most common flight departure time for this route is 5:00PM, with 52% of daily flights taking off in the afternoon.

As of March 2026, there are 58 flights per week flying from Washington, D.C. to Louisville. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.