$137 Cheap Frontier Airlines flights Miami (MIA) to Oranjestad (AUA)

Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Frontier Airlines return flights from $329 from MIA to AUA. Affordable one-way options from $137 are available too.**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.

Look for Frontier Airlines flights from MIA to AUA about one month before you want to go. The most affordable time to reserve 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 of the week 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.

To find the earliest departure from MIA to AUA with Frontier Airlines, sort your results by "Morning" and "Early Morning." Choosing an early flight usually means you're less 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.

Travel from MIA to AUA with Frontier Airlines and enjoy a host of benefits including a rewarding loyalty program. When you book through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.