$99 Cheap United flights Reno (RNO) to Denver (DEN)

Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines return flights from $158 from RNO to DEN. Affordable one-way fares from $99 are available as well.**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 Reno-Tahoe Intl. Airport (RNO) to Denver Intl. Airport (DEN), start searching one to three months before your intended 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 typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.

Setting off from RNO at 5:15AM UTC-8, the first United Airlines flight to DEN lands at 8:37AM UTC-7. Traveling early means you're less likely to experience delays.* After something later? The last United Airlines flight from RNO to DEN departs at 6:45PM UTC-8 and touches down at 10:02PM 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.

Journey from RNO to DEN with United Airlines and enjoy a range of perks including a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.