Cheap flights from Denver to Knoxville

Denver
DEN
McGhee Tyson
TYS

Flight deals from Denver to Knoxville

Below you can see the best deals on flights Denver — Knoxville for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 24 October, from $143.

Top 10 cheap flights from Denver to Knoxville

UA
$ 355

Denver — Knoxville

11:00—15:54
31 Aug 2026
2 h 54 m
Direct flight
UA
$ 355

Denver — Knoxville

17:35—22:29
31 Aug 2026
2 h 54 m
Direct flight
AA
AA
$ 359

Denver — Knoxville

16:21—23:18
31 Aug 2026
4 h 57 m
1 stop
DL
DL
$ 359

Denver — Knoxville

16:33—23:52
31 Aug 2026
5 h 19 m
1 stop
UA
UA
$ 359

Denver — Knoxville

06:00—13:17
31 Aug 2026
5 h 17 m
1 stop
UA
UA
$ 359

Denver — Knoxville

13:25—20:53
31 Aug 2026
5 h 28 m
1 stop
AA
AA
$ 359

Denver — Knoxville

06:15—13:31
31 Aug 2026
5 h 16 m
1 stop
AA
AA
$ 359

Denver — Knoxville

10:43—18:20
31 Aug 2026
5 h 37 m
1 stop
DL
DL
$ 359

Denver — Knoxville

07:19—15:30
31 Aug 2026
6 h 11 m
1 stop
AA
AA
$ 359

Denver — Knoxville

05:03—12:56
31 Aug 2026
5 h 53 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Denver — Knoxville flight

Looking for cheap flights from Denver to Knoxville? Compare fares from different airlines, check the flight schedule and travel time — and book your Denver — Knoxville ticket online at the best price.

The route has direct flights — around 36 flights per week, flights are operated by United Airlines, Frontier Airlines, Allegiant Air, a nonstop flight takes about 2 h 50 min, the distance between the cities is around 1,896 km.

Planning your trip? You may find our Knoxville travel guide, how to get from the airport into town and Knoxville weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $143Min. price
OctoberCheapest
AugustPeak season
YesDirect flights
1,896 kmDistance
2 h 50 minTravel time
3Airlines
36 / wkFlights

Flight schedule from Denver to Knoxville

The table shows direct flights from Denver to Knoxville on the selected date. The flight takes approximately 2 h 50 min. Regular flights are operated by United Airlines, Frontier Airlines and Allegiant Air. Departures from Denver International Airport and Centennial Airport airports, arrivals at McGhee Tyson Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Denver — Knoxville

Below is a calendar of the lowest flight ticket prices for Denver — Knoxville by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $143 in October, and the most expensive are around $358 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Denver to Knoxville by month. Tickets are usually cheapest in August (around $112) and priciest in March (about $178) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$168highMay$136mediumSep$126low
Feb$122lowJun$150highOct$131medium
Mar$178highJul$159highNov$164high
Apr$140mediumAug$112lowDec$173high

Some values are estimated based on seasonality.

When to fly

Weather in Knoxville: it is warmest in July (up to 31 °C on average) and coolest in January (around 9 °C). The driest month is November.

Tickets are usually cheapest in October and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Knoxville

Dry and wet days · Knoxville

Wind speed and direction · Knoxville

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How to get the best deal on a Denver — Knoxville ticket

  • Book ahead: fares for Denver — Knoxville are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Denver is served by more than one airport — compare fares and travel time to each before you book.
  • Flights Denver — Knoxville operate on Sundays, Mondays, Tuesdays, Wednesdays, Thursdays and Fridays — keep that in mind when picking your travel dates.
  • The cheapest month to fly to Knoxville is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Denver — Knoxville route are operated by 3 airlines; United Airlines runs the most flights (around 72% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    9x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight DEN → TYS9x/week
      Duration
      2h 54m
      Days
      MTWTFSS
    72.2%Open →
  • Frontier AirlinesF9
    2x/week
    WebsiteFleet: 15329M pax/year
    • Direct flight DEN → TYS2x/week
      Duration
      2h 51m
      Days
      MTWTFSS
    16.7%Open →
  • Allegiant AirG4
    1x/week
    WebsiteFleet: 13119M pax/year
    • Direct flight DEN → TYS1x/week
    11.1%Open →

Cities and airports on the Denver — Knoxville route

Flights Denver — Knoxville depart from Denver International Airport and Centennial Airport and arrive at McGhee Tyson Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Denver

DEN
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Knoxville

TYS
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Denver — Knoxville flight

How long is the flight from Denver to Knoxville?

A nonstop Denver — Knoxville flight takes about 2 h 50 min — the distance between the cities is around 1,896 km.

How far is it from Denver to Knoxville?

The distance from Denver to Knoxville is about 1,896 km, which a nonstop flight covers in around 2 h 50 min.

Are there direct flights from Denver to Knoxville?

Yes, there are nonstop flights Denver — Knoxville — around 36 flights per week.

Which airlines fly from Denver to Knoxville?

Airlines operating Denver — Knoxville include United Airlines, Frontier Airlines, Allegiant Air. See the full list with schedules in the "Airlines" section on this page.

Which airports do Denver — Knoxville flights use?

Flights from Denver depart from Denver International Airport, Centennial Airport, and arrive at McGhee Tyson Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Denver to Knoxville?

The price of a Denver — Knoxville ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in August. Tickets typically cost between $143 and $358. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Denver — Knoxville?

Flights Denver — Knoxville are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Denver to Knoxville?

To catch a low fare Denver — Knoxville, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Denver

See all
Los AngelesSeattlePhoenixNew York CitySalt Lake CitySan DiegoDallasLas VegasMinneapolisChicagoHoustonAtlantaPortlandAustinColorado SpringsSan FranciscoWashington, D.C.OrlandoKansas CityNashvilleSanta AnaDetroitOklahoma CityAspenRapid CityMiamiPhiladelphiaSacramentoAlbuquerqueSt. LouisBostonWichitaSan JoseBoiseMidlandCharlotteOmahaGrand JunctionSan AntonioTulsa

Where else you can fly from Knoxville

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ChicagoWashington, D.C.AtlantaCharlotteHoustonDallasDetroitNew York CityMinneapolisPhiladelphiaMiamiOrlandoTampa

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