$90 Cheap American Airlines flights Miami (MIA) to San Juan (SJU)

You'll discover affordable round-trip American Airlines flights from $166 from MIA to SJU by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $90 for a one-way journey.**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 get cheap flights from MIA to SJU with American Airlines, begin searching 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 helpful 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.

Departing MIA at 8:20AM UTC-5, the first American Airlines flight to SJU arrives at 12:00PM UTC-4. Traveling earlier in the day means you'll be less likely to encounter cancellations or delays.* Not an early riser? The last American Airlines flight from MIA to SJU departs at 8:15PM UTC-5 and touches down at 12:04AM UTC-4.*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.