$234 Cheap United flights Houston (IAH) to Aspen (ASE)

Finding cheap one-way United Airlines flights from IAH to ASE from $234 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $229 for your next break.**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.

Start searching one to three months before your departure to score cheaper fares on United Airlines flights from George Bush Intercontinental Airport (IAH) to Pitkin County Airport (ASE). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic flights.*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.

Leaving IAH at 9:40AM UTC-6, the earliest United Airlines flight to ASE lands at 12:00PM UTC-7. Traveling early means you're less likely to encounter delays.* After something later? The last United Airlines flight from IAH to ASE departs at 6:29PM UTC-6 and touches down at 8:35PM UTC-7.*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.

Offering a rewarding loyalty program, United Airlines is a top choice for many passengers heading from IAH to ASE. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.