Cheap Flights from Knoxville to Denver International

Compare Knoxville to Denver International flight deals

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Flight deals from Knoxville to Denver International

Looking for a cheap last-minute deal or the best return flight from Knoxville to Denver International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Knoxville to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Denver International flights are currently cheapest in August.

Direct flights from Knoxville to Denver International

Knoxville to Denver International: Alternative routes

Compare routes from Knoxville to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Knoxville to Denver: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 2,231
Cheapest month to flyAugust
Average flight time3 hrs, 20 mins
Most popular airlineUnited
Average flights per week29

Finding cheap flights from Knoxville to Denver International: Frequently asked questions

The best price we found for a return flight from Knoxville to Denver International is ج.م.‏ 4,462. 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 20 minutes is the average flight time from Knoxville to Denver International.
United, SkyWest Airlines and Allegiant Air fly direct from Knoxville to Denver International.
As of June 2025, there are 29 flights per week flying from Knoxville to Denver International.
The cheapest month to fly from Knoxville to Denver International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Denver International Airport on Sunday, 17 August 2025.
Yes – the average flight time is 3 hours and 20 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 International 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.
Currently, Allegiant Air offers the cheapest flight tickets to Denver International.

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

  • Jump on a direct flight from McGhee Tyson Airport to Denver International Airport and you'll be in the air for an average of 3 hours 15 minutes.

  • Denver is two hours behind Knoxville and observes the UTC-6 timezone.

  • Flights from TYS to DEN start from 05:40 — the first with Allegiant Air. The last service of the day is at 22:41 with Frontier Airlines. Overall, you can take your pick of 25 weekly McGhee Tyson Airport to Denver International Airport flights.

  • Give yourself plenty of time to make your TYS to DEN flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, you'll want to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during peak periods in general.

  • You can travel nonstop to Denver, United States. Take off with one of these airlines that operate direct flights from McGhee Tyson Airport to Denver International Airport:

  • The airline that passengers book most often on this route is Frontier Airlines.

  • With a reliable 91.67% of services landing on schedule, United Airlines is the most punctual carrier offering TYS to DEN flights.

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

  • Currently, ج.م.‏ 2,231 is the lowest price we've seen for a one-way McGhee Tyson Airport to Denver International Airport flight. The best price for a return plane ticket is ج.م.‏ 4,462. Keep in mind that fares can change due to demand at the time of booking.

  • Book ten months before you want to fly. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from TYS to DEN.

  • The cheapest month for flights from McGhee Tyson Airport to Denver International Airport is September. Use the 'Whole month' tool to find the lowest prices if you have a flexible schedule.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll send you an update the moment there's a new deal on cheap flights from TYS to DEN.

  • Find the right flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from McGhee Tyson Airport to Denver International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about McGhee Tyson Airport (TYS)

  • The address for TYS is 2055 Alcoa Highway.

  • 78.98% of flights that depart McGhee Tyson Airport arrive at their destination on time.

  • To get to McGhee Tyson Airport from central Knoxville, it'll take about 20 minutes if you're planning to drive. This depends on traffic, however. It's approximately 23 kilometres from the airport to the city centre.

  • Looking for a convenient hotel close to TYS? If you're catching an early flight from McGhee Tyson Airport to Denver International Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Denver International Airport (DEN)

  • After your McGhee Tyson Airport to Denver International Airport flight has touched down, unwind at a nearby hotel. Baymont by Wyndham Denver International Airport is a good option within easy reach of DEN.

  • Hit the road running by picking up a Denver International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget and explore beyond Denver's usual tourist stops.

  • Lock in the best possible rate by reserving your vehicle from Denver International Airport around one week before your trip.

Getting from Denver International Airport (DEN) to central Denver

  • The street address for DEN is 8500 Pena Boulevard.

  • Denver International Airport to central Denver has a drive time of about 35 minutes. It's approximately 40 kilometres away.

  • Travelling by public transport will take you around 1 hour 30 minutes.

When to fly to Denver International Airport (DEN)

  • It's time to choose your travel dates for your flight from McGhee Tyson Airport to Denver International Airport. July is the busiest month to visit Denver. If you like a more laid-back vibe, go in April.

  • Lock in your flight from McGhee Tyson Airport to Denver International Airport for July if you'd like to go to Denver during its warmest month. You can expect temperatures of between 14ºC and 32ºC.

  • If you like travelling in cooler conditions, search for a cheap ticket from TYS to DEN in January. Average temperatures are between -9ºC and 7ºC then.

Explore more of United States

  • You've visited Denver, now it's time to explore other corners of United States. Journey around 105 kilometres south to Colorado Springs to check off its popular 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), you'll have a full itinerary ahead.

  • Around 13 kilometres east of Denver, Aurora is another favourite stop in United States. Experience this destination's highlights firsthand at Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

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