$234 Cheap United flights Knoxville (TYS) to Denver (DEN)

Scoring cheap one-way United Airlines flights from TYS to DEN from $234 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $229 for your next getaway.**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.

United Airlines flights to Denver are usually cheaper in the off-peak months of January and November. Whether you need a return or one-way ticket, you could land a better deal then.

Start searching one to three months ahead of your travel date to find cheap fares on United Airlines flights from McGhee Tyson Airport (TYS) 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 cut 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 your timing right, and you can enjoy significant savings on domestic trips.*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.

Book a seat on one of United Airlines’s 14 direct weekly flights from McGhee Tyson Airport (TYS) to Denver Intl. Airport (DEN). To see what’s available, enter your dates, origin and destination and hit search. Then select the “Nonstop” and “Airline” filters.

Leave McGhee Tyson Airport (TYS) for Denver Intl. Airport (DEN) on a direct United Airlines flight, and you’ll be in the sky for around 3h 47m.

Thursday has the most United Airlines flights from McGhee Tyson Airport (TYS) to Denver Intl. Airport (DEN). With 2 daily departures, this is the best day of the week to book something that will fit your plans.

The earliest United Airlines flight from TYS to DEN takes off at 8:30AM UTC-5, touching down at 10:18AM UTC-7. If you want to set off later in the day, the last United Airlines flight leaves TYS at 4:25PM UTC-5 and touches down at DEN at 6:12PM UTC-7. Flying early is often a good option as morning and mid-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.

Denver Intl. Airport (DEN) is the primary Denver hub for United Airlines flights from McGhee Tyson Airport (TYS).

Fly from TYS to DEN with United Airlines and you can look forward to a range of perks starting with a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you may 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.

Book a United Airlines flight from McGhee Tyson Airport (TYS) to Denver Intl. Airport (DEN), and you’ll usually be on an Embraer 175. Bear in mind though, that the aircraft type can vary depending on operational requirements.

Changes are generally free within 24 hours of making your booking, but your airline may charge you after that time. For further details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to make changes without extra charges, apply the “No cancel fee” or “Changes included” filter when organizing your next break.