$177 Cheap American Airlines flights Cancun (CUN) to Boston (BOS)

Set the "Price (lowest to highest)" filter on Expedia to search for cheap American Airlines round-trip flights from $283 from CUN to BOS. Affordable one-way options from $177 are available as well.**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 CUN to BOS about one month before you want to leave. The cheapest time to book 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. No matter your itinerary or fare class, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Travelers booking 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.

Setting off from CUN at 2:50PM UTC-5, the earliest American Airlines flight to BOS arrives at 6:55PM UTC-5. Flying early means you'll be less likely to encounter delays or cancellations.* Not an early riser? The last American Airlines flight from CUN to BOS departs at 2:50PM UTC-5 and touches down at 6:55PM UTC-5.*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.