$188 Cheap American Airlines flights San Diego (SAN) to Cancun (CUN)

Finding cheap one-way American Airlines flights from SAN to CUN from $188 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares from $368 for your next exciting getaway.**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 tend to be more affordable in the low-season months of October and September. Whether you need a one-way or a return ticket, you could find a better deal then.

Search for American Airlines flights from SAN to CUN about one month before you want to leave. The most affordable 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. Regardless of fare class and itinerary, 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 figure out if there’s a direct trip from SAN to CUN with American Airlines or another carrier, select the “Nonstop” filter when browsing for flights.

Filter your results by “Morning” and “Early Morning” to see the earliest flights from SAN to CUN. Jetting off early 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.

American Airlines flights from San Diego Intl. Airport (SAN) to Cancun arrive at Cancun Intl. Airport (CUN). This is the main entry point to this destination.

It’s usually possible to cancel or reschedule your flight, although there may be a charge if your booking was made over 24 hours ago. Need flexible options? Use Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t penalize you if you need to revise your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for further information.