$287 Cheap American Airlines flights St. Thomas (STT) to Miami (MIA)

Scoring cheap one-way American Airlines flights from STT to MIA from $287 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $330 for your next exciting 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.

To find cheap flights from STT to MIA with American Airlines, begin your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**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 STT to MIA departs at 1:19PM UTC-4, touching down at 3:34PM UTC-5. If you prefer to set off later in the day, the last American Airlines flight leaves STT at 6:31PM UTC-4 and lands at MIA at 8:46PM UTC-5. Flying early is often a smart choice as morning flights are least likely to face 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.