$49 Cheap United flights Houston (IAH) to Memphis (MEM)

Scoring cheap one-way United Airlines flights from IAH to MEM from $49 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $97 for your next exciting adventure.**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.

To find cheap United Airlines fares from George Bush Intercontinental Airport (IAH) to Memphis Intl. Airport (MEM), start searching one to three months before your intended departure. Reserving 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 influence the cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey 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 earliest United Airlines flight from IAH to MEM takes off at 9:30AM UTC-6, touching down at 11:09AM UTC-6. If you'd like to jet off later, the last United Airlines flight leaves IAH at 8:20PM UTC-6 and touches down at MEM at 9:59PM UTC-6. Flying early is often a smart option 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 journeying from IAH to MEM. 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.