Cheap flights from Boston to Louisville from $109

If you are unable to visit Louisville during the month of August, then departing from Boston during the month December is also very affordable. Most momondo users find prices during this month for around $380.

On average, the least expensive day to fly to Louisville from Boston is on a Saturday. momondo users have found tickets for Saturday departures for as low as $356. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Boston to Louisville on a Monday will generally be more expensive and average around $463. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Boston to Louisville flights are usually those with departure times in the afternoon. Our users have found flights to Louisville in the afternoon for as low as $317. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $415 per ticket.

Fly from Boston Logan Intl to Louisville Intl for the best Boston Logan Intl - Louisville Intl flight prices

You are more likely to see cheaper flights to Louisville from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Boston for as low as $275 on momondo.

No. A direct flight is the cheapest option for a flight between Boston to Louisville.

As of May 2026, prices for Boston to Louisville flights are approximately 122% more expensive when compared to flights at the same time last year.

Allegiant Air is the most popular carrier operating from Boston Logan Intl to Louisville Intl

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Louisville from Boston according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 6 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

The number of flights available between Boston and Louisville is 1 per day as of May 2026. The most frequent departure time is 9:00AM, with 100% of daily flights leaving at noon.

The number of flights available between Boston and Louisville is 12 per week as of May 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.