$97 Cheap American Airlines flights Miami (MIA) to San José (SJO)

Landing cheap one-way American Airlines flights from MIA to SJO from $97 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $221 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.

Search for American Airlines flights from MIA to SJO about one month before you want to go. The cheapest time to book an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**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 MIA to SJO departs at 10:06AM UTC-5, arriving at 12:11PM UTC-6. If you want to head off later, the last American Airlines flight leaves MIA at 6:50PM UTC-5 and lands at SJO at 8:50PM UTC-6. Flying before noon is often a smart choice 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.