$129 Cheap United flights Houston (IAH) to Fayetteville (XNA)

Finding cheap one-way United Airlines flights from IAH to XNA from $129 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $189 for your next exciting vacation.**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.

Search for cheap United Airlines flights from George Bush Intercontinental Airport (IAH) to Northwest Arkansas Regional Airport (XNA) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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 XNA takes off at 9:30AM UTC-6, landing at 11:19AM UTC-6. If you prefer to head off later, the last United Airlines flight leaves IAH at 8:06PM UTC-6 and lands at XNA at 9:53PM UTC-6. Flying early is generally a wise choice as morning and mid-morning flights tend to experience fewer 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.

With a rewarding loyalty program, United Airlines is a favorite of many travelers departing from IAH to XNA. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you can 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.