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87 € Cheap Flights from Knoxville (TYS) to Denver (DENA)

Compare Knoxville to Denver flight deals

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Flight deals from Knoxville to Denver

Looking for a cheap last-minute deal or the best return flight from Knoxville to Denver? Find the lowest prices on one-way and return tickets right here.
Denver.87 € per passenger.Departing Thu, 11 Dec, returning Sun, 14 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 11 Dec, arriving in Denver International.Inbound direct flight with Allegiant Air departs from Denver International on Sun, 14 Dec, arriving in Knoxville.Price includes taxes and charges.From 87 €, select.
Denver.137 € per passenger.Departing Tue, 25 Nov, returning Sun, 7 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Tue, 25 Nov, arriving in Denver International.Inbound direct flight with Allegiant Air departs from Denver International on Sun, 7 Dec, arriving in Knoxville.Price includes taxes and charges.From 137 €, select.
Denver.189 € per passenger.Departing Wed, 4 Feb, returning Mon, 9 Feb.Return flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departs from Knoxville on Wed, 4 Feb, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Mon, 9 Feb, arriving in Knoxville.Price includes taxes and charges.From 189 €, select.
Denver.193 € per passenger.Departing Thu, 8 Jan, returning Mon, 12 Jan.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Knoxville on Thu, 8 Jan, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Mon, 12 Jan, arriving in Knoxville.Price includes taxes and charges.From 193 €, select.
Denver.199 € per passenger.Departing Thu, 8 Jan, returning Mon, 12 Jan.Return flight with United.Outbound direct flight with United departs from Knoxville on Thu, 8 Jan, arriving in Denver International.Inbound direct flight with United departs from Denver International on Mon, 12 Jan, arriving in Knoxville.Price includes taxes and charges.From 199 €, select.
Denver.215 € per passenger.Departing Fri, 27 Mar, returning Sun, 29 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Knoxville on Fri, 27 Mar, arriving in Denver International.Inbound indirect flight with Southwest Airlines, departs from Denver International on Sun, 29 Mar, arriving in Knoxville.Price includes taxes and charges.From 215 €, select.
Denver.216 € per passenger.Departing Wed, 20 May, returning Wed, 27 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Wed, 20 May, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Wed, 27 May, arriving in Knoxville.Price includes taxes and charges.From 216 €, select.
Denver.238 € per passenger.Departing Fri, 12 Jun, returning Mon, 15 Jun.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Fri, 12 Jun, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Mon, 15 Jun, arriving in Knoxville.Price includes taxes and charges.From 238 €, select.

Find the cheapest month to fly from Knoxville to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Denver flights are currently cheapest in December.
Nov
from 379 €
Dec
from 87 €
Jan
from 193 €
Feb
from 189 €
Mar
from 215 €
Apr
from 289 €
May
from 216 €
Jun
from 238 €
Jul
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Aug
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Sep
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Oct
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Direct flights from Knoxville to Denver

Alternative Knoxville to Denver routes

Looking for the cheapest, fastest or easiest route from Knoxville to Denver? You could fly into the following airports instead.

Knoxville to Denver: Flight information

The things to know before you go.
Cheapest flight found87 €
Cheapest month to flyDecember
Average flight time3 hrs, 33 mins
Most popular airlineUnited
Average flights per week21

Finding cheap flights from Knoxville to Denver: Frequently asked questions

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from Knoxville to Denver is 87 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 33 minutes is the average flight time from Knoxville to Denver.
United, SkyWest Airlines and Allegiant Air fly direct from Knoxville to Denver.
As of November 2025, there are 21 flights per week flying from Knoxville to Denver.
The cheapest month to fly from Knoxville to Denver is usually December.
If you're flying from Knoxville Airport, the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from 87 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Denver on Thursday, 11 December 2025.
Yes – the average flight time is 3 hours and 33 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
In November, the average temperature is usually around 4°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
Currently, Allegiant Air offers the cheapest flight tickets to Denver.

Flying from McGhee Tyson Airport (TYS) to Denver: what you need to know

  • Around 2 hours 50 minutes is how long you'll be travelling on a direct flight from McGhee Tyson Airport to Denver.

  • The timezone in Denver is UTC-6. The city is two hours behind Knoxville, where McGhee Tyson Airport is located.

  • With 16 weekly flights between the two airports, McGhee Tyson Airport (TYS) to Denver International Airport (DEN) is the most popular route. Allegiant Air operates the earliest flight at 06:20. If you're eager to get more out of your day before leaving, the latest flight from TYS to DEN is with Frontier Airlines at 17:30.

  • For a relaxed start to your TYS to Denver flight, allow plenty of time to check in and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Planning to travel during a peak period like public or school holidays? Expect longer queues at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

  • You can book a direct McGhee Tyson Airport to Denver ticket. Start your trip at TYS and touch down at Denver International Airport (DEN).

  • Choose from a variety of airlines operating direct flights from McGhee Tyson Airport to Denver. Get up and away with one of these:

  • Central Knoxville to TYS is around 18 kilometres. Depending on traffic conditions, it'll take about 20 minutes to reach there if you're ride-sharing, catching a cab or driving.

  • Booked an early flight from McGhee Tyson Airport to Denver? Avoid the last-minute rush to the airport (and enjoy a little extra shut-eye) by choosing one of these stays close to TYS:

  • Of all flights departing from McGhee Tyson Airport, 78.98% arrive as scheduled at their destination.

  • The address for TYS is 2055 Alcoa Highway.

How to find the cheapest flights from McGhee Tyson Airport (TYS) to Denver

  • 38 € is currently the lowest price for a one-way McGhee Tyson Airport to Denver flight. Return plane tickets start at 87 €. These fares can change based on demand.

  • Lock in cheap flights from TYS to Denver by booking five months ahead. According to our research, that's the best time for picking up a bargain.

  • September is the best month for scoring a fantastic deal on McGhee Tyson Airport to Denver tickets. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll notify you when there's an updated deal for cheap flights from TYS to Denver.

  • Choose your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from McGhee Tyson Airport to Denver by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Denver

Denver International Airport (DEN)

  • The distance from Denver International Airport (DEN) to central Denver is roughly 40 kilometres. It takes around 35 minutes to get to the centre driving.

  • If you're travelling by public transport, expect a journey time of about 1 hour 30 minutes.

  • Get off your flight from McGhee Tyson Airport to Denver and be tucked up in your hotel bed shortly after. If you want a convenient option that's not too far from DEN, stay at Baymont by Wyndham Denver International Airport.

  • Pick up a Denver International Airport rental car and discover Denver and beyond with your own set of wheels. Routes Car Rentals, Dollar and Budget are well-known companies to choose from here.

  • Reserving your ride from Denver International Airport about one week ahead of your flight from TYS to Denver can help you lock in the best possible rate.

  • DEN is located at 8500 Pena Boulevard.

Best time to go to Denver

  • Visit Denver during the high season if you prefer a bustling atmosphere, but remember that prices are generally higher. Alternatively, book flights from McGhee Tyson Airport to Denver in the off-season when prices are cheaper and it's less crowded.

  • Before locking in your McGhee Tyson Airport to Denver plane ticket, think about the kind of weather forecast you're hoping for. July is the warmest month in Denver, with temperatures ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • Search for cheap tickets from TYS to Denver in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

More about Denver

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Denver right here. Browse these options once you've locked in your flight from McGhee Tyson Airport to Denver:

  • There are so many things to explore in this city it can be tricky to know where to start. Union Station, Denver Art Museum and Denver Botanic Gardens are leading attractions which should feature on every Denver itinerary.

Explore more of United States

  • You've seen Denver, now it's time to discover more of United States. Journey about 105 kilometres south to Colorado Springs to tick off its leading sights. From US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters to Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA), your itinerary will be busy.

  • Pueblo is another favourite destination in United States and is around 161 kilometres south of Denver. No trip is complete without visiting Pueblo Weisbrod Aircraft Museum, Rosemount Museum and Pueblo Zoo.

Plan the rest of your trip from Knoxville to Denver

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.