$222 Cheap American Airlines flights Cancun (CUN) to San Diego (SAN)

Landing cheap one-way American Airlines flights from CUN to SAN from $222 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $413 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.

American Airlines flights to San Diego are usually cheaper in the off-peak months of January and November. Whether you’re after a one-way or a return ticket, you could score a better deal then.

Snagging the best American Airlines deals from CUN to SAN often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is often the most expensive day to book.* It’s a good idea to start checking out flights about one month before your departure date.*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 looking for direct American Airlines flights from CUN to SAN. It’s also an easy way to compare other carriers offering the same direct route.

Search American Airlines’s earliest flights from CUN to SAN by selecting the “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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.

San Diego Intl. Airport (SAN) is the primary San Diego gateway for American Airlines flights from Cancun Intl. Airport (CUN).

Depending on the type of fare you purchased, a fee will generally apply if you cancel or change your booking more than 24 hours after it’s confirmed. To find tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes while searching for flights. For more details on modifying or canceling your reservation, go to “Trips,” select your flight and tick “Manage Booking.”