$54+ Cheap flights from Denver to Knoxville (DEN - TYS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TYS
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Knoxville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Denver Intl to Knoxville McGhee Tyson are usually found in August or December, booked 90 days in advance, depart on a Thursday or Sunday and return on a Sunday
Cheap flight deals from Denver to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to KnoxvilleExplore the most affordable flight options available from Denver to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
Explore the most affordable flight options available from Denver to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
This CheapOair deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:26 am -
Nonstop2h 45m
Thu 10/296:30 am -
Nonstop3h 06m
Deal found 10/9![Allegiant Air logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:24 pm -
1 stop21h 19m
Mon 12/148:00 am -
1 stop13h 58m
Deal found 10/9![Multiple Airlines logo]()
$173
This CheapOair deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:26 am -
Nonstop2h 45m
Sun 11/16:30 am -
Nonstop3h 06m
Deal found 10/13![Allegiant Air logo]()
$178
This Cheapflightsfares deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:30 am -
Nonstop2h 49m
Thu 11/198:00 am -
Nonstop3h 25m
Deal found 10/13![Allegiant Air logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:24 pm -
1 stop21h 19m
Mon 12/79:49 pm -
2 stops37h 01m
Deal found 10/9![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
Nonstop2h 49m
Mon 11/162:21 pm -
2 stops44h 01m
Deal found 10/9![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
Nonstop2h 49m
Tue 11/176:08 pm -
2 stops29h 25m
Deal found 10/9![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
Nonstop2h 49m
Sun 11/158:43 pm -
2 stops38h 36m
Deal found 10/9![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:10 am -
1 stop12h 06m
Thu 11/126:30 am -
Nonstop3h 10m
Deal found 10/9![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:26 am -
Nonstop2h 45m
Thu 11/56:30 am -
Nonstop3h 10m
Deal found 10/10![Allegiant Air logo]()
$216
Best flights from Denver to KnoxvilleDiscover carefully curated flight deals from Denver to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Denver to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:55 am -
Nonstop2h 45m
Mon 12/144:43 pm -
Nonstop3h 27m
Deal found 10/9![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:55 am -
2 stops6h 55m
Mon 12/77:05 am -
2 stops9h 05m
Deal found 10/9![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1112:55 am -
1 stop7h 19m
Wed 3/178:47 am -
1 stop8h 28m
Deal found 10/12![Delta logo]()
$508
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:18 am -
Nonstop2h 46m
Sat 11/146:45 am -
1 stop5h 41m
Deal found 10/14![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:40 am -
1 stop4h 25m
Tue 12/297:15 pm -
1 stop7h 30m
Deal found 10/12![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:18 am -
Nonstop2h 46m
Sun 11/15:05 pm -
Nonstop3h 22m
Deal found 10/9![United Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:30 pm -
2 stops7h 15m
Tue 11/177:05 am -
2 stops9h 05m
Deal found 10/10![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:42 pm -
Nonstop2h 50m
Wed 12/24:43 pm -
Nonstop3h 27m
Deal found 10/9![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:30 pm -
2 stops7h 10m
Mon 12/77:05 am -
2 stops9h 05m
Deal found 10/13![Southwest logo]()
$438
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:07 pm -
1 stop4h 50m
Sun 1/37:25 am -
1 stop8h 28m
Deal found 10/11![Delta logo]()
$538
This Southwest deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:25 am -
2 stops8h 10m
Sun 11/17:05 am -
2 stops8h 10m
Deal found 10/9![Southwest logo]()
$482
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:52 pm -
2 stops17h 21m
Mon 11/97:35 pm -
1 stop6h 44m
Deal found 10/13![United Airlines logo]()
$519
Last-minute flights from Denver to KnoxvilleDiscover last-minute flight deals from Denver to Knoxville. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Knoxville. Data last updated October 14, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:26 am -
Nonstop2h 45m
Thu 10/296:30 am -
Nonstop3h 06m
Deal found 10/9![Allegiant Air logo]()
$167
This CheapOair deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:26 am -
Nonstop2h 45m
Sun 11/16:30 am -
Nonstop3h 06m
Deal found 10/13![Allegiant Air logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:26 am -
Nonstop2h 45m
Thu 11/56:30 am -
Nonstop3h 10m
Deal found 10/10![Allegiant Air logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:10 am -
1 stop12h 06m
Thu 11/126:30 am -
Nonstop3h 10m
Deal found 10/9![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
Nonstop2h 49m
Mon 11/168:30 am -
1 stop15h 18m
Deal found 10/9![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
Nonstop2h 49m
Tue 11/176:08 pm -
2 stops29h 25m
Deal found 10/9![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
Nonstop2h 49m
Sun 11/158:43 pm -
2 stops38h 36m
Deal found 10/9![Multiple Airlines logo]()
$213
This Cheapflightsfares deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:30 am -
Nonstop2h 49m
Thu 11/198:00 am -
Nonstop3h 25m
Deal found 10/13![Allegiant Air logo]()
$185
One-way flights from Denver to KnoxvilleSearch for one-way flight options from Denver to Knoxville. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
Search for one-way flight options from Denver to Knoxville. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This CheapOair deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:26 am -
Nonstop2h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Allegiant Air logo]()
$54
This CheapOair deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Allegiant Air logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:30 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Allegiant Air logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:24 pm -
1 stop21h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$104
This CheapOair deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:26 am -
Nonstop2h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Allegiant Air logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:31 pm -
2 stops39h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$115
Find flight deals from Denver to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (CheapOair) |
One-way from | $54 (CheapOair) |
Popular in | March |
Cheapest in | August |
Average price | $365 |
Good round-trip deal | $322 or less |
Good one-way deal | $191 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 14, 2026.
Use the filters below to find and compare flights from Denver to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Fri 12/11
9:55 am-2:41 pm
Nonstop2h 46m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$160
Quickest round-trip
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Tue 1/12
10:10 am-2:55 pm
Nonstop2h 45m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$160
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Mon 11/16
6:00 am-3:15 pm
1 stop7h 15m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Fri 1/8
10:45 am-5:13 pm
1 stop4h 28m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Sun 12/13
12:57 am-10:01 am
1 stop7h 04m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Tue 12/8
7:15 am-1:51 pm
1 stop4h 36m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Fri 12/11
5:07 pm-11:57 pm
1 stop4h 50m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Fri 11/6
5:42 pm-10:32 pm
Nonstop2h 50m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$171
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Sun 11/15
7:45 am-4:59 pm
1 stop7h 14m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$205
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Sat 11/21
5:42 pm-10:32 pm
Nonstop2h 50m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$209
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Denver to Knoxville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Knoxville in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Denver to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Denver with our price prediction graph.
DEN-TYS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Denver to Knoxville
Prices
Airlines
How far ahead should I book a flight from Denver to Knoxville?
The price you pay for your flight from Denver to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Denver to Knoxville?
Currently, August is the cheapest month in which you can book a flight from Denver to Knoxville (average of $189). Flying from Denver to Knoxville in March is currently the most expensive (average of $386). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DEN to TYS?
Find hourly flight availability from Denver to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2026.
When flying from Denver to Knoxville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated October 14, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAllegiant Air from Denver to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Denver to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Newport
Bryson City
Murphy
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Alternative routes for Denver to Knoxville
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Complete your trip
Complete your trip to Knoxville by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Knoxville
Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 14, 2026.
Denver and Knoxville flights
Browse other Denver and Knoxville flight options. Last updated on October 14, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on October 14, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Denver to Knoxville
Discover the top 6 airlines that operate flights from Denver to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$157 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$84 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$274 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$219 | Average$452 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$229 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$249 | Average$428 | FlexibilityNo cancel fee | On-time63% |