Direct flights from Boston to Louisville BOS → SDF

American Airlines and Delta Air Lines fly nonstop from Boston (BOS) to Louisville (SDF), daily. The flight takes about 2h 12m and covers 827 miles (1,331 km). Round-trip fares typically run around $420. Arrivals run on time 75.4% at BOS and 76.1% at SDF — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 13 August 2026.

60-day flexibility overview based on 2 recent fares across the next 60 days

Cheapest
$360
Typical
$420
Most expensive
$479

Prices last updated 17 days ago. Fares change frequently — check the airline for current pricing.

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American Airlines AA Delta Air Lines DL

Nonstop departures observed in recent fares

Across 2 recent dates we priced, Boston (BOS) to Louisville (SDF) showed up to 1 nonstop departure a day, with the earliest around 09:25 and the latest around 14:57, operated by Delta and American.

09:25 14:57

Departure times seen while pricing this route over the last few weeks — a sample, not the full timetable. Airlines adjust schedules seasonally.

More nonstops from Boston

BOS → MIA Miami 6 airlines BOS → ORD Chicago 6 airlines BOS → DEN Denver 5 airlines BOS → LHR London 5 airlines BOS → MCO Orlando 5 airlines BOS → DFW Dallas-Fort Worth 4 airlines BOS → LAX Los Angeles 4 airlines BOS → RDU Raleigh/Durham 4 airlines

Frequently asked questions

Is there a direct flight from Boston to Louisville?

Yes, American Airlines and Delta Air Lines operate nonstop flights from Boston (BOS) to Louisville (SDF).

Which airlines fly direct from Boston to Louisville?

American Airlines, Delta Air Lines operate nonstop flights from Boston to Louisville.

How long is the flight from Boston to Louisville?

The nonstop flight from Boston to Louisville takes ~2h 12m (approximately 1331 km).

How often do direct flights operate from Boston to Louisville?

Nonstop flights from Boston to Louisville operate daily.

What is the on-time performance for flights from Boston to Louisville?

Arrivals run on time 75.4% at BOS and 76.1% at SDF — BTS data for the last three months, counting arrivals within 15 minutes of schedule.

How much is a round-trip flight from Boston to Louisville?

Round-trip flights from Boston (BOS) to Louisville (SDF) start at $360, with a typical fare around $420. Based on 2 recent fare combinations.

Explore More

BOS All direct flights from Boston SDF All direct flights from Louisville SDF → BOS Return: Louisville to Boston

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