$134 Cheap United flights Houston (IAH) to Des Moines (DSM)

You'll find budget-friendly return United Airlines flights from $209 from IAH to DSM by sorting your results from "Price (lowest to highest)" on Expedia. Or look for deals from $134 for a one-way journey.**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.

For cheap United Airlines fares from George Bush Intercontinental Airport (IAH) to Des Moines Intl. Airport (DSM), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall cost. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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 first United Airlines flight from IAH to DSM takes off at 11:55AM UTC-6, touching down at 2:15PM UTC-6. If you'd like to jet off later, the last United Airlines flight leaves IAH at 8:07PM UTC-6 and lands at DSM at 10:30PM UTC-6. Flying early is often a smart option as morning and mid-morning flights are 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.

A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to leave from IAH to DSM with United Airlines. Plus, when you join Expedia's free One Key™ program, you can receive OneKeyCash™* on top of any airline 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.