$137 Cheap American Airlines flights New York (LGA) to Louisville (SDF)

Set the "Price (lowest to highest)" filter on Expedia to search for cheap American Airlines round-trip flights from $217 from LGA to SDF. Affordable one-way fares from $137 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Start searching one to three months ahead of your travel date to score cheaper fares on American Airlines flights from LaGuardia Airport (LGA) to Louisville Intl. Airport (SDF). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The first flight from LGA to SDF with American Airlines leaves at 9:48AM UTC-5. You'll touch down at 12:23PM UTC-5. The last American Airlines flight of the day leaves at 5:45PM UTC-5 and arrives at 8:17PM UTC-5. With around 20% fewer cancellations for departures before noon, jetting out early is usually the best way to go.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.