$273 Cheap American Airlines flights Miami (MIA) to Christiansted (STX)

Landing cheap one-way American Airlines flights from MIA to STX from $273 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $326 for your next exciting vacation.**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.

Start your search for American Airlines flights from MIA to STX about one month before you want to go. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers who book on a Sunday can save 17% on average 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 first flight from MIA to STX with American Airlines departs at 1:33PM UTC-5. You'll land at 5:03PM UTC-4. The final American Airlines flight of the day takes off at 1:33PM UTC-5 and arrives at 5:03PM UTC-4. With 20% fewer cancellations for departures before midday, setting off early is typically the best choice.**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.