Cheap flights from Louisville to Boston

One-way fares from $148 · SDF → BOS · prices found by travellers in the last 48 hours

Compare all dates Boston → Louisville
Cheapest fare
$148

American Airlines · Mon, Dec 21

Cheapest month
December

from $148

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 27m

1,330 km

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Cheapest month to fly from Louisville to Boston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. December 2026 Cheapest $148

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

American Airlines
Depart11:48 Mon, Dec 21SDF → BOS 4h 27m · 1 stop
$148one way, per person
View deal
See every date in December 2026 →

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Where to stay, what to do and getting around, from our travel partners.

Where to stay

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Things to do

Things to do in BostonTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in BostonPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in BostonCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Louisville to Boston

Louisville (SDF) and Boston (BOS) are about 1,330 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 27m. Over the next few months, one-way fares start from $148, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Louisville to Boston?

The cheapest one-way fare we've seen recently is $148 with American Airlines, departing Monday, December 21, 2026.

What is the cheapest month to fly from Louisville to Boston?

December 2026 currently has the lowest fares, from $148 one way.

Are there direct flights from Louisville to Boston?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Louisville to Boston?

The quickest journey we've seen takes about 4h 27m. Louisville and Boston are around 1,330 km apart.

Which airlines fly from Louisville to Boston?

Recent fares on this route were with American Airlines.

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