$60+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TYS
Oct 27 — Nov 31
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 November, booked 50 days in advance, depart on a Thursday or Friday 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 September 27, 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 September 27, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Thu 11/1910:15 am -
Nonstop2h 37m
Sun 11/226:20 am -
Nonstop3h 25m
Deal found 9/23![Allegiant Air logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 9/25. 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
Sun 11/156:30 am -
Nonstop3h 10m
Deal found 9/25![Allegiant Air logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/25. 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
Thu 11/126:30 am -
Nonstop3h 10m
Deal found 9/25![Allegiant Air logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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.
Thu 11/58:30 am -
Nonstop2h 49m
Thu 11/126:30 am -
Nonstop3h 10m
Deal found 9/25![Allegiant Air logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 11/58:30 am -
Nonstop2h 49m
Sun 11/156:30 am -
Nonstop3h 10m
Deal found 9/25![Allegiant Air logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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.
Thu 11/58:30 am -
Nonstop2h 49m
Sun 11/86:30 am -
Nonstop3h 10m
Deal found 9/22![Allegiant Air logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/1610:09 pm -
1 stop13h 39m
Deal found 9/24![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/127:00 am -
1 stop13h 06m
Sun 11/156:30 am -
Nonstop3h 10m
Deal found 9/24![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 11/59:12 pm -
1 stop18h 54m
Sun 11/156:30 am -
Nonstop3h 10m
Deal found 9/25![Multiple Airlines logo]()
$202
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 September 27, 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 September 27, 2026.
This Southwest deal was found by Cheapflights users on 9/24. 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 10/2911:55 pm -
1 stop11h 15m
Tue 11/37:55 am -
2 stops11h 10m
Deal found 9/24![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 10/145:25 pm -
Nonstop2h 49m
Fri 10/166:03 pm -
1 stop7h 51m
Deal found 9/23![United Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 9/26. 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.
Sat 10/248:20 am -
1 stop7h 35m
Sat 10/316:40 am -
2 stops9h 15m
Deal found 9/26![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/2311:52 pm -
1 stop8h 45m
Tue 10/275:05 pm -
Nonstop3h 22m
Deal found 9/24![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 9/22. 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 11/65:30 am -
1 stop9h 20m
Fri 11/135:25 pm -
Nonstop3h 25m
Deal found 9/22![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/165:25 pm -
Nonstop2h 49m
Tue 10/276:45 am -
1 stop5h 41m
Deal found 9/22![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 9/26. 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.
Wed 11/1110:55 am -
2 stops6h 55m
Sun 11/157:05 am -
2 stops7h 10m
Deal found 9/26![Southwest logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/265:42 pm -
Nonstop2h 50m
Fri 10/309:00 am -
Nonstop3h 28m
Deal found 9/25![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 9/25. 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.
Sat 10/177:55 am -
2 stops8h 00m
Tue 10/205:15 pm -
2 stops8h 35m
Deal found 9/25![Southwest logo]()
$424
This Southwest deal was found by Cheapflights users on 9/25. 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 12/248:25 am -
2 stops9h 20m
Fri 12/257:05 am -
2 stops9h 25m
Deal found 9/25![Southwest logo]()
$428
This Southwest deal was found by Cheapflights users on 9/25. 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 10/122:05 pm -
Nonstop2h 45m
Fri 10/165:30 pm -
Nonstop3h 20m
Deal found 9/25![Southwest logo]()
$463
Last-minute flights from Denver to KnoxvilleDiscover last-minute flight deals from Denver to Knoxville. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Knoxville. Data last updated September 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/48:26 am -
Nonstop2h 45m
Thu 10/156:30 am -
Nonstop3h 06m
Deal found 9/23![Allegiant Air logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/56:40 am -
1 stop11h 58m
Thu 10/156:30 am -
Nonstop3h 06m
Deal found 9/23![Multiple Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 9/23. 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.
Mon 10/1212:59 am -
1 stop6h 35m
Sat 10/245:40 am -
1 stop6h 10m
Deal found 9/23![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 10/175:25 pm -
Nonstop2h 49m
Tue 10/207:15 am -
1 stop6h 54m
Deal found 9/23![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Sat 10/175:25 pm -
Nonstop2h 49m
Wed 10/219:00 am -
Nonstop3h 18m
Deal found 9/24![United Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/195:25 pm -
Nonstop2h 49m
Tue 10/275:05 pm -
Nonstop3h 22m
Deal found 9/23![United Airlines logo]()
$253
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 10/215:25 pm -
Nonstop2h 49m
Wed 10/285:05 pm -
Nonstop3h 22m
Deal found 9/23![United Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/229:12 pm -
3 stops58h 32m
Thu 10/296:30 am -
Nonstop3h 06m
Deal found 9/22![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/269:12 pm -
2 stops34h 53m
Thu 10/296:30 am -
Nonstop3h 06m
Deal found 9/25![Multiple Airlines logo]()
$243
This CheapOair deal was found by Cheapflights users on 9/26. 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 9/26![Allegiant Air logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 10/2910:41 am -
2 stops9h 15m
Sun 11/16:30 am -
Nonstop3h 06m
Deal found 9/26![Multiple Airlines logo]()
$251
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 September 27, 2026.
Search for one-way flight options from Denver to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
This CheapOair deal was found by Cheapflights users on 9/24. 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 9/24![Allegiant Air logo]()
$60
This CheapOair deal was found by Cheapflights users on 9/24. 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 11/58:30 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Allegiant Air logo]()
$110
This CheapOair deal was found by Cheapflights users on 9/26. 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 9/26![Allegiant Air logo]()
$112
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Wed 10/215:25 pm -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$114
This Delta deal was found by Cheapflights users on 9/23. 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.
Wed 10/216:00 am -
1 stop7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/26. 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.
Wed 10/286:31 pm -
2 stops25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$127
This CheapOair deal was found by Cheapflights users on 9/23. 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 11/228:35 am -
Nonstop2h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Allegiant Air logo]()
$128
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 September 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $148 (Cheapflightsfares) |
One-way from | $60 (CheapOair) |
Popular in | March |
Cheapest in | August |
Average price | $375 |
Good round-trip deal | $264 or less |
Good one-way deal | $198 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 September 27, 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
Sat 10/17
5:25 pm-10:14 pm
Nonstop2h 49m
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
Tue 10/27
7:00 am-1:40 pm
1 stop4h 40m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
Quickest round-trip
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Fri 11/27
11:15 am-3:59 pm
Nonstop2h 44m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$180
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Fri 10/23
12:59 pm-7:42 pm
1 stop4h 43m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$190
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Fri 12/25
7:05 am-1:39 pm
1 stop4h 34m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$190
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Mon 11/2
5:42 pm-10:32 pm
Nonstop2h 50m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$195
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
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Tue 10/13
5:25 pm-10:14 pm
Nonstop2h 49m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$215
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Wed 11/25
6:00 am-3:15 pm
1 stop7h 15m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
DenverKnoxville
DEN Denver Intl - TYS Knoxville McGhee Tyson
DENTYS
Denver Intl
Sun 11/22
6:00 am-1:35 pm
1 stop5h 35m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
Showing 1-10 of 23 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 September.
| 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 | |
| Price Accuracy2 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 49 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 $385). 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 September 27, 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 September 27, 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
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
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
Bryson City
Murphy
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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 September 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$157 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$84 | Average$234 | 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$424 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$249 | Average$437 | FlexibilityNo cancel fee | On-time63% |