Cheap flights from Denver to Knoxville (DEN - TYS) from $42

This is the cheapest one-way flight price, found on 5/30. Prices may vary by date and flight preferences.
DEN — TYS
Jun 6 — Jun 131
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The best prices from Denver Intl to Knoxville McGhee Tyson are usually found in August or September, booked 25 days in advance, depart on a Saturday or Friday and return on a Saturday

How to find the cheapest flight from Denver (DEN) to Knoxville (TYS)

All the information you need to plan the best DEN to TYS flight in 2023: compare Denver to Knoxville flight prices with the expected peak season, weather and rainfall in Knoxville.

Popular in

April

Cheapest in

August

Round-trip from

$306

One-way from

$141
High demand for flights, 27% potential price rise
Best time to find cheap flights, 36% potential price drop
From Denver Intl to Knoxville McGhee Tyson
One-way flight from Denver Intl to Knoxville McGhee Tyson

DEN - TYS

Price

$306 - $520

TYS

Temperature

39.2 - 78.8 °F

TYS

Rainfall

2.7 - 4.8 inches

Cheap flights from Denver to Knoxville in June, July 2023

The best prices found for DEN to TYS flights for June, July
The lowest fares we've come across on flights traveling from Denver to Knoxville in June and July 2023. For more flight deals, be sure to check back very soon.

Denver to Knoxville 2023 flight deals

Cheap flights to Knoxville from Denver found for this year
The lowest fares we've come across on flights traveling from Denver to Knoxville in June and July 2023. For more flight deals, be sure to check back very soon.

Cheap Allegiant Air flights from Denver to Knoxville

Check out some of the cheapest Allegiant Air flights we've come across from Denver to Knoxville. It's recommended that users confirm their flight details before booking.
  • Allegiant Air is one of the most popular airlines used for those traveling from Denver to Knoxville. Flights from Allegiant Air traveling this route typically cost $490.83 RT. This price is typically 15% cheaper than other airlines that offer Denver to Knoxville flights. When booking this route, the cheapest RT price found was $234. The most popular departure airport in Denver when flying to Knoxville is Denver Intl Airport. The most popular airport to fly into when visiting Knoxville is Knoxville McGhee Tyson Airport. When flying from Denver to Knoxville, Allegiant Air flights are 6% more popular than any other airline flying that same route.

Cheap United Airlines flights from Denver to Knoxville

Take a gander at the lowest prices we've found on United Airlines flights from Denver to Knoxville. Deals frequently update to provide users with more options.
  • If you’re traveling from Denver to Knoxville, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $194.86 RT. This price is typically 357% more expensive than other airlines that offer Denver to Knoxville flights. When booking this route, the cheapest RT price found was $78. The most popular departure airport in Denver when flying to Knoxville is Denver Intl Airport. The most popular airport to fly into when visiting Knoxville is Knoxville McGhee Tyson Airport. When flying from Denver to Knoxville, United Airlines flights are -18% more popular than any other airline flying that same route.

Non-stop flights to Knoxville from Denver

Save time with Denver to Knoxville direct flight deals
If you're seeking options on non-stop flights from Denver to Knoxville, check out these fares. Select from other flights from Denver to Knoxville by using the search form above.

Last minute flights from Denver to Knoxville

Late deals on return flights to Knoxville from Denver, departing today and this week
Book one of these great deals on flights from Denver to Knoxville. Users should examine the flight details to ensure there are no surprises.

One-way flights to Knoxville from Denver

The cheapest one-way flights from Denver to Knoxville
Take a look at some of the one-way flights we've detected from Denver to Knoxville. Users in need of a round-trip flight from Denver to Knoxville instead should update the search form at the top of page.

Find flights from Denver to Knoxville within your budget

Use the slider to find flights from Denver to Knoxville that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$74 - $194

Route

Depart

Return

Price

Denver IntlKnoxville McGhee Tyson

DEN - TYS

DENTYS

Denver Intl

Thu 9/14

Nonstop2h 45m

Knoxville McGhee Tyson

Sun 9/17

Nonstop3h 04m

Denver IntlKnoxville McGhee Tyson

DEN - TYS

DENTYS

Denver Intl

Fri 9/15

1 stop9h 08m

Knoxville McGhee Tyson

Sun 9/17

Nonstop3h 04m

Denver IntlKnoxville McGhee Tyson

DEN - TYS

DENTYS

Denver Intl

Thu 9/7

Nonstop2h 45m

Knoxville McGhee Tyson

Sun 9/10

Nonstop3h 04m

Denver IntlKnoxville McGhee Tyson

DEN - TYS

DENTYS

Denver Intl

Thu 9/14

Nonstop2h 45m

Knoxville McGhee Tyson

Fri 9/15

1 stop13h 12m

Denver IntlKnoxville McGhee Tyson

DEN - TYS

DENTYS

Denver Intl

Thu 10/5

Nonstop2h 40m

Knoxville McGhee Tyson

Sun 10/8

Nonstop3h 10m

Denver IntlKnoxville McGhee Tyson

DEN - TYS

DENTYS

Denver Intl

Sun 10/1

Nonstop2h 45m

Knoxville McGhee Tyson

Sun 10/8

Nonstop3h 10m

Denver IntlKnoxville McGhee Tyson

DEN - TYS

DENTYS

Denver Intl

Mon 10/2

1 stop6h 18m

Knoxville McGhee Tyson

Sun 10/8

Nonstop3h 10m

Denver IntlKnoxville McGhee Tyson

DEN - TYS

DENTYS

Denver Intl

Wed 7/19

Nonstop2h 51m

Knoxville McGhee Tyson

Wed 7/26

Nonstop3h 14m

Denver IntlKnoxville McGhee Tyson

DEN - TYS

DENTYS

Denver Intl

Tue 8/15

1 stop7h 05m

Knoxville McGhee Tyson

Tue 8/22

1 stop5h 28m

Flights are sorted by cheapest first

Deals found on 5/31

Reviews of Airlines Servicing Knoxville

Get a feel of what it's like to fly with Allegiant Air and United Airlines from Denver to Knoxville by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Allegiant Air
7.6
Good
101 reviews

Food

6.1

Overall

7.6

Boarding

7.8

Comfort

6.9

Entertainment

5.6

Crew

8.3

Reviews

1 / 10

Baggage. They looked at our bags and said we could use them as carry ins, charged us and then later said they were too big and charged us more to check them

Allegiant Air
7.6
Good
101 reviews
Allegiant Air
7.6
Good
101 reviews

Food

6.1

Overall

7.6

Boarding

7.8

Comfort

6.9

Entertainment

5.6

Crew

8.3

Reviews

1 / 10

Baggage. They looked at our bags and said we could use them as carry ins, charged us and then later said they were too big and charged us more to check them

American Airlines
7.3
Good
2,149 reviews
Allegiant Air
7.6
Good
101 reviews

Food

6.1

Overall

7.6

Boarding

7.8

Comfort

6.9

Entertainment

5.6

Crew

8.3

Reviews

1 / 10

Baggage. They looked at our bags and said we could use them as carry ins, charged us and then later said they were too big and charged us more to check them

Frontier
5.9
Fair
669 reviews
Allegiant Air
7.6
Good
101 reviews

Food

6.1

Overall

7.6

Boarding

7.8

Comfort

6.9

Entertainment

5.6

Crew

8.3

Reviews

1 / 10

Baggage. They looked at our bags and said we could use them as carry ins, charged us and then later said they were too big and charged us more to check them

Related info for your journey

Useful info, stats and facts about Denver to Knoxville flights.

Alternative routes for Denver to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Denver to Knoxville

The chart below displays the airlines Cheapflights users traveling from Denver to Knoxville choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Allegiant AirCheapest$65Average$164FlexibilityNo cancel feeOn-time88%COVID-19 safety
Search Allegiant Air flights
FrontierCheapest$78Average$195FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
American AirlinesCheapest$191Average$334FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$224Average$327FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$234Average$491FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Hourly flight availability from Denver to Knoxville

See what time of day planes typically take off from Denver to Knoxville
0%of flight departuresEarly morningMidnight to 6 am
50%of flight departuresMorning6 am to noon
50%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Denver to Knoxville

See how many times per day planes take to the skies headed from Denver to Knoxville
Sunday2daily flights
Monday3daily flights
Tuesday2daily flights
Wednesday3daily flights
Thursday2daily flights
Friday3daily flights
Saturday1daily flight