Cheap flights from Louisville to Boston from $123

In general, September is the cheapest month to fly from Louisville to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $312. If you aren’t able to travel during the month of September, then book flights to Boston from Louisville during November instead. Flights to Boston in November, while not as cheap as those in September, still average around $355.

The cheapest day to depart from Louisville to Boston is on a Saturday when prices can be found for as low as $427. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $1,181.

According to our data, the cheapest time of day to fly to Boston is at noon. momondo users have found flights departing from Louisville to Boston at noon for as low as $493. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $654 per ticket.

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

You are more likely to see cheaper flights to Boston from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Louisville for as low as $311 on momondo.

There are 4 cabin classes available to choose from on Louisville to Boston 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 14% on your flight if you consider stops on a Louisville to Boston flight.

As of June 2026, prices for Louisville to Boston flights are approximately 47% more expensive when compared to flights at the same time last year.

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

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Boston from Louisville according to our data. American Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 6 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 4 flights per day flying from Louisville to Boston. The most common time of day flights depart is 12:00PM, with 100% of flights taking off in the afternoon.

33 flights are operational weekly from Louisville to Boston as of June 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.