$229 Cheap United flights Phoenix (PHX) to Cancun (CUN)

Finding cheap one-way United Airlines flights from PHX to CUN from $229 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $487 for your next 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.

United Airlines flights to Cancun are typically more affordable in the low-season months of October and September. Whether you’re in search of a return or one-way ticket, you could land a better deal then.

To grab affordable flights from PHX to CUN with United Airlines, start your search about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**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.

Fill in your dates, click search and use the “Nonstop” filter on Expedia to browse any direct flights from PHX to CUN with United Airlines or another carrier.

To find the earliest departure from PHX to CUN with United Airlines, filter your search by “Early Morning” and “Morning.” Choosing an early flight usually means 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.

Board a United Airlines flight from Sky Harbor Intl. Airport (PHX) to Cancun, and you’ll likely arrive at Cancun Intl. Airport (CUN). This is the airline’s main hub here.

A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to depart from PHX to CUN with United Airlines. Plus, when you join our One Key™ program, you can receive OneKeyCash™* on top of United Airlines’s loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of booking, but your airline may charge a fee after that time. For more information about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to adjust your plans without additional charges, tick the “No cancel fee” or “Changes included” filter when organizing your next escape.