$75 Cheap Frontier Airlines flights Denver (DEN) to Knoxville (TYS)

You’ll discover budget-friendly return Frontier Airlines flights from $131 from DEN to TYS by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $75 for a one-way journey.**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.

Frontier Airlines flights to Knoxville are typically more affordable in the quieter months of January and December. Whether you’re searching for a one-way or round-trip ticket, you could land a better deal then.

To find cheap Frontier Airlines fares from Denver Intl. Airport (DEN) to McGhee Tyson Airport (TYS), 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 influence the overall price. Sunday tends to be 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.

Frontier Airlines offers direct flights from Denver Intl. Airport (DEN) to McGhee Tyson Airport (TYS), with 2 departures each week. Just apply the “Nonstop” and “Airline” filters while searching on Expedia to find all direct Frontier Airlines flights to TYS.

It takes approximately 2h 43m to travel nonstop from Denver Intl. Airport (DEN) to McGhee Tyson Airport (TYS) with Frontier Airlines.

The first Frontier Airlines flight from DEN to TYS takes off at 10:36AM UTC-7, touching down at 3:19PM UTC-5. If you’d like to head off later in the day, the last Frontier Airlines flight leaves DEN at 10:36AM UTC-7 and touches down at TYS at 3:19PM UTC-5. Flying before noon is generally a good option as morning flights are 20% less likely to be canceled.**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.

Frontier Airlines flights from Denver Intl. Airport (DEN) to Knoxville arrive at McGhee Tyson Airport (TYS). This is the main entry point to this city.

Offering a rewarding loyalty program, Frontier Airlines is a favorite of many passengers heading from DEN to TYS. Plus, as a Frontier Miles 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.

Take a Frontier Airlines flight from Denver Intl. Airport (DEN) to McGhee Tyson Airport (TYS), and you’ll likely be flying on an Airbus A320neo. Keep in mind though, that the aircraft type can change depending on operational reasons.

In most cases, you can reschedule or cancel your flight, although there may be additional charges if you made your booking over 24 hours ago. Need flexible options? Use Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you need to adjust your plans. To update your booking, go to “Trips,” select your flight and click on “Manage Booking” for more details.