$111 Cheap United flights Houston (IAH) to Cancun (CUN)

Grab affordable round-trip United Airlines flights from $234 from IAH to CUN by organizing your results from “Price (lowest to highest)” on Expedia. Or search for options from $111 for a one-way trip.**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 cheaper in the quieter months of October and September. Whether you need a one-way or round-trip ticket, you could find a better deal then.

Scoring the best United Airlines deals from IAH to CUN often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better yet, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It’s smart to kick off your flight search about one month before you want to travel.*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.

Hop on one of United Airlines’s 35 weekly direct flights from George Bush Intercontinental Airport (IAH) to Cancun Intl. Airport (CUN). To see what’s available, enter your origin, destination and dates and hit search. Next, apply the “Nonstop” and “Airline” filters.

Depart George Bush Intercontinental Airport (IAH) for Cancun Intl. Airport (CUN) on a direct United Airlines flight, and you’ll be in the skies for approximately 2h 23m.

United Airlines operates the most flights from George Bush Intercontinental Airport (IAH) to Cancun Intl. Airport (CUN) on Saturday. With up to 5 daily departures, you’ll get the most flexibility on this day.

The earliest flight from IAH to CUN with United Airlines leaves at 8:02AM UTC-6. You’ll land at 11:25AM UTC-5. The last United Airlines flight of the day takes off at 2:26PM UTC-6 and arrives at 5:50PM UTC-5. With around 20% fewer cancellations for early and mid-morning flights, jetting out early is typically the best choice.**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.

Many United Airlines flights from George Bush Intercontinental Airport (IAH) to Cancun arrive at Cancun Intl. Airport (CUN). This is the airline’s main entry point here. It’s also worth exploring Expedia for flights to nearby airports such as Cozumel Intl. Airport (CZM), as prices may be cheaper.

Offering a rewarding loyalty program, United Airlines is a favorite of many passengers flying from IAH to CUN. Plus, if you’re a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the George Bush Intercontinental Airport (IAH) to Cancun Intl. Airport (CUN) route, United Airlines typically operates Boeing 737 MAX 9 and Boeing 737-900 planes. Remember that last-minute changes can occur for operational reasons, so your flight could be on a different aircraft.

In most cases, you can modify or cancel your flight, although there may be additional fees if you made your booking over 24 hours ago. Want to keep your options open? Make use of Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you have to adjust your plans. To update your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for more information.