$74 Cheap American Airlines flights New York (LGA) to Miami (MIA)

You'll find affordable round-trip American Airlines flights from $137 from LGA to MIA by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from $74 for a one-way trip.**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.

Begin your search one to three months ahead of your departure date to get cheaper fares on American Airlines flights from LaGuardia Airport (LGA) to Miami Intl. Airport (MIA). 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.* Time it well, 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 earliest American Airlines flight from LGA to MIA takes off at 6:00AM UTC-5, arriving at 9:20AM UTC-5. If you prefer to set off later in the day, the last American Airlines flight leaves LGA at 8:00PM UTC-5 and lands at MIA at 11:33PM UTC-5. Flying earlier is often a good idea as morning and mid-morning flights are least likely to experience cancellations.**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.