$127 Cheap American Airlines flights Miami (MIA) to Louisville (SDF)

Scoring cheap one-way American Airlines flights from MIA to SDF from $127 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $159 for your next adventure.**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.

Look for cheap American Airlines flights from Miami Intl. Airport (MIA) to Louisville Intl. Airport (SDF) one to three months before your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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 American Airlines flight from MIA to SDF departs at 9:31PM UTC-5, arriving at 12:19AM UTC-5. If you'd like to jet off later, the last American Airlines flight leaves MIA at 9:31PM UTC-5 and lands at SDF at 12:19AM UTC-5. Flying before noon is generally a smart option as morning flights are 20% less likely to be canceled.**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.