$169 Cheap United flights Houston (IAH) to Grand Rapids (GRR)

Landing cheap one-way United Airlines flights from IAH to GRR from $169 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip 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.

For cheap United Airlines fares from George Bush Intercontinental Airport (IAH) to Gerald R. Ford Intl. Airport (GRR), start searching one to three months before your planned 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 affect the overall price. Sunday is generally the most affordable, 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 GRR takes off at 7:55PM UTC-6, arriving at 11:47PM UTC-5. If you prefer to set off later in the day, the last United Airlines flight leaves IAH at 7:55PM UTC-6 and touches down at GRR at 11:47PM UTC-5. Flying before noon is generally a good idea as morning flights are least likely to face 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.

Depart from IAH to GRR with United Airlines and you can look forward to a range of benefits including a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.