$74 Cheap United flights Houston (IAH) to Guatemala City (GUA)

Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines return flights from $164 from IAH to GUA. Affordable one-way fares from $74 are available as well.**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.

Getting the best United Airlines deals from IAH to GUA 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 yet, you can pocket 17% on average by buying your fare on a Sunday compared to 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 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.

The earliest United Airlines flight from IAH to GUA takes off at 9:32AM UTC-6, arriving at 12:26PM UTC-6. If you'd like to set off later in the day, the last United Airlines flight leaves IAH at 8:20PM UTC-6 and lands at GUA at 11:14PM UTC-6. Flying early is generally a good option as morning flights are less likely to be 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.

A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to travel from IAH to GUA with United Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* on top of any airline loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.