$79 Cheap United flights Cleveland (CLE) to Denver (DEN)

Landing cheap one-way United Airlines flights from CLE to DEN from $79 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $157 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.

Start searching one to three months ahead of your departure date to get cheap fares on United Airlines flights from Hopkins Intl. Airport (CLE) to Denver Intl. Airport (DEN). 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 the timing right, 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.

The first United Airlines flight from CLE to DEN departs at 8:34AM UTC-5, touching down at 10:06AM UTC-7. If you want to set off later in the day, the last United Airlines flight leaves CLE at 4:31PM UTC-5 and touches down at DEN at 6:03PM UTC-7. Flying earlier is often a smart choice as morning and mid-morning flights are least 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.

Travel from CLE to DEN with United Airlines and enjoy a range of perks including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you could 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.