$188 Cheap American Airlines flights Ontario (ONT) to Cancun (CUN)

Set the “Price (lowest to highest)” filter on Expedia to find cheap American Airlines return flights from $405 from ONT to CUN. Affordable one-way tickets from $188 are also available.**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.

American Airlines flights to Cancun are often more affordable in the quieter months of October and September. Whether you’re in search of a one-way or round-trip ticket, you could score a better deal then.

Check for American Airlines flights from ONT to CUN about one month before you want to leave. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of ticket type or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers 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.

Click on the “Nonstop” filter when searching for direct American Airlines flights from ONT to CUN. It’s also a great way to compare other carriers offering the same nonstop route.

Filter your results by “Morning” and “Early Morning” to browse the earliest flights from ONT to CUN. Heading off early means flight cancellations are less likely.**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.

Get on an American Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Cancun, and you’re most likely to land at Cancun Intl. Airport (CUN). This is the airline’s main hub here.

Depending on your ticket type, a fee generally applies if you cancel or reschedule your flight more than 24 hours after confirmation. To find tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you look for flights. For more details on canceling or modifying your reservation, go to “Trips,” select your flight and tick “Manage Booking.”