$46+ Cheap flights from Knoxville to Denver (TYS - DEN)
This is the cheapest one-way 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.
TYS — DEN
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Denver 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 Knoxville McGhee Tyson to Denver Intl are usually found in November or September, booked 73 days in advance, depart on a Sunday or Thursday and return on a Thursday
Cheap flight deals from Knoxville to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Knoxville to DenverExplore the most affordable flight options available from Knoxville to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
Explore the most affordable flight options available from Knoxville to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
This CheapOair deal was found by Cheapflights users on 8/7. 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 8/237:00 am -
Nonstop3h 10m
Thu 8/279:00 am -
Nonstop2h 49m
Deal found 8/7![Allegiant Air logo]()
$141
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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 9/137:00 am -
Nonstop3h 05m
Sun 9/278:55 am -
Nonstop2h 49m
Deal found 8/7![Allegiant Air logo]()
$144
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
Nonstop3h 05m
Sun 10/48:26 am -
Nonstop2h 45m
Deal found 8/9![Allegiant Air logo]()
$148
This CheapOair deal was found by Cheapflights users on 8/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am -
Nonstop3h 10m
Sun 8/309:00 am -
Nonstop2h 49m
Deal found 8/10![Allegiant Air logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am -
Nonstop3h 05m
Thu 9/108:55 am -
Nonstop2h 49m
Deal found 8/10![Allegiant Air logo]()
$163
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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 9/247:00 am -
Nonstop3h 05m
Sun 9/278:55 am -
Nonstop2h 49m
Deal found 8/6![Allegiant Air logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 8/8. 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 10/156:30 am -
Nonstop3h 06m
Sun 10/188:26 am -
Nonstop2h 45m
Deal found 8/8![Allegiant Air logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/237:00 am -
Nonstop3h 10m
Thu 8/278:26 pm -
1 stop15h 35m
Deal found 8/7![Multiple Airlines logo]()
$170
Best flights from Knoxville to DenverDiscover carefully curated flight deals from Knoxville to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from Knoxville to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This Southwest deal was found by Cheapflights users on 8/10. 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.
Fri 11/68:10 am -
1 stop7h 55m
Fri 11/132:10 pm -
Nonstop2h 35m
Deal found 8/10![Southwest logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 12/134:25 pm -
Nonstop3h 18m
Tue 12/158:17 am -
1 stop6h 32m
Deal found 8/6![United Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 8/10. 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.
Sat 9/196:50 am -
2 stops6h 00m
Tue 9/228:40 am -
2 stops8h 20m
Deal found 8/10![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 8/6. 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 11/53:40 pm -
1 stop5h 20m
Mon 11/910:30 am -
2 stops8h 00m
Deal found 8/6![Southwest logo]()
$340
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/33:40 pm -
1 stop6h 29m
Tue 9/84:40 pm -
1 stop5h 43m
Deal found 8/7![United Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:05 pm -
Nonstop3h 20m
Sun 11/111:18 am -
Nonstop2h 45m
Deal found 8/10![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 8/6. 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 12/135:25 pm -
Nonstop3h 25m
Wed 12/166:30 am -
1 stop5h 35m
Deal found 8/6![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 8/10. 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.
Fri 9/112:05 pm -
2 stops7h 35m
Sun 9/209:55 pm -
2 stops13h 30m
Deal found 8/10![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/7. 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 11/235:05 pm -
Nonstop3h 20m
Fri 11/2711:15 am -
Nonstop2h 44m
Deal found 8/7![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 8/8. 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 9/44:50 pm -
Nonstop3h 15m
Mon 9/75:00 am -
1 stop5h 20m
Deal found 8/8![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 8/7. 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 9/37:10 am -
2 stops8h 35m
Tue 9/88:35 am -
2 stops8h 25m
Deal found 8/7![Southwest logo]()
$443
Last-minute flights from Knoxville to DenverDiscover last-minute flight deals from Knoxville to Denver. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Denver. Data last updated August 11, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/7. 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 8/237:00 am -
Nonstop3h 10m
Thu 8/279:00 am -
Nonstop2h 49m
Deal found 8/7![Allegiant Air logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/237:00 am -
Nonstop3h 10m
Thu 8/278:26 pm -
1 stop15h 35m
Deal found 8/7![Multiple Airlines logo]()
$170
This CheapOair deal was found by Cheapflights users on 8/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am -
Nonstop3h 10m
Sun 8/309:00 am -
Nonstop2h 49m
Deal found 8/10![Allegiant Air logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am -
Nonstop3h 05m
Thu 9/108:55 am -
Nonstop2h 49m
Deal found 8/10![Allegiant Air logo]()
$163
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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 9/137:00 am -
Nonstop3h 05m
Sun 9/278:55 am -
Nonstop2h 49m
Deal found 8/7![Allegiant Air logo]()
$144
This Cheapflightsfares deal was found by Cheapflights users on 8/8. 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 9/137:00 am -
Nonstop3h 05m
Sun 9/208:55 am -
Nonstop2h 49m
Deal found 8/8![Allegiant Air logo]()
$175
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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 9/247:00 am -
Nonstop3h 05m
Sun 9/278:55 am -
Nonstop2h 49m
Deal found 8/6![Allegiant Air logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
Nonstop3h 05m
Sun 10/48:26 am -
Nonstop2h 45m
Deal found 8/9![Allegiant Air logo]()
$148
One-way flights from Knoxville to DenverSearch for one-way flight options from Knoxville to Denver. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from Knoxville to Denver. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 11/126:30 am -
Nonstop3h 10m
Deal found 8/10![Allegiant Air logo]()
$46
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am -
Nonstop3h 05m
Deal found 8/11![Allegiant Air logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/107:00 am -
Nonstop3h 05m
Deal found 8/9![Allegiant Air logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 11/56:30 am -
Nonstop3h 10m
Deal found 8/7![Allegiant Air logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/116:30 am -
Nonstop3h 06m
Deal found 8/8![Allegiant Air logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/67:00 am -
Nonstop3h 05m
Deal found 8/10![Allegiant Air logo]()
$73
This CheapOair deal was found by Cheapflights users on 8/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am -
Nonstop3h 10m
Deal found 8/10![Allegiant Air logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 11/86:30 am -
Nonstop3h 10m
Deal found 8/7![Allegiant Air logo]()
$77
Find flight deals from Knoxville to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Denver (DEN). 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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $141 (CheapOair) |
One-way from | $46 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $281 |
Good round-trip deal | $278 or less |
Good one-way deal | $184 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Denver 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 2,558,603 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Knoxville to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Fri 11/6
8:10 am-2:05 pm
1 stop7h 55m
Denver Intl
Fri 11/13
2:10 pm-6:45 pm
Nonstop2h 35m
$318
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Sat 9/19
6:50 am-10:50 am
2 stops6h 00m
Denver Intl
Tue 9/22
8:40 am-7:00 pm
2 stops8h 20m
$332
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Thu 11/5
3:40 pm-7:00 pm
1 stop5h 20m
Denver Intl
Mon 11/9
10:30 am-8:30 pm
2 stops8h 00m
$340
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Sun 12/13
4:25 pm-5:43 pm
Nonstop3h 18m
Denver Intl
Tue 12/15
8:17 am-4:49 pm
1 stop6h 32m
$358
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Sun 12/13
5:25 pm-6:50 pm
Nonstop3h 25m
Denver Intl
Wed 12/16
6:30 am-2:05 pm
1 stop5h 35m
$373
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Fri 9/11
2:05 pm-7:40 pm
2 stops7h 35m
Denver Intl
Sun 9/20
9:55 pm-1:25 pm
2 stops13h 30m
$379
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Thu 9/3
3:40 pm-8:09 pm
1 stop6h 29m
Denver Intl
Tue 9/8
4:40 pm-12:23 am
1 stop5h 43m
$390
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Thu 10/29
5:05 pm-6:25 pm
Nonstop3h 20m
Denver Intl
Sun 11/1
11:18 am-4:03 pm
Nonstop2h 45m
$397
Quickest round-trip
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Mon 11/23
5:05 pm-6:25 pm
Nonstop3h 20m
Denver Intl
Fri 11/27
11:15 am-3:59 pm
Nonstop2h 44m
$424
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Fri 9/4
4:50 pm-6:05 pm
Nonstop3h 15m
Denver Intl
Mon 9/7
5:00 am-12:20 pm
1 stop5h 20m
$439
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Knoxville to Denver
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 Knoxville to Denver in August.
| 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 Knoxville-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Denver 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 Knoxville-Denver 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 Knoxville to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Knoxville with our price prediction graph.
TYS-DEN
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 Knoxville to Denver
How far ahead should I book a flight from Knoxville to Denver?
The price you pay for your flight from Knoxville to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 72 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 Knoxville to Denver?
Currently, November is the cheapest month in which you can book a flight from Knoxville to Denver (average of $247). Flying from Knoxville to Denver in March is currently the most expensive (average of $357). 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 TYS to DEN?
Find hourly flight availability from Knoxville to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 11, 2026.
One of the essential ways to save on airfare from Knoxville to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 51% on airfare.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated August 11, 2026.
See what other customers who have flown with Delta,United Airlines, andAllegiant Air from Knoxville to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Denver. 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 Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Black Hawk
Lakewood
Centennial
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Greeley
Winter Park
Limon
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
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Knoxville and Denver flights
Browse other Knoxville and Denver flight options. Last updated on August 11, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
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Top 6 airlines flying from Knoxville to Denver
Discover the top 6 airlines that operate flights from Knoxville to Denver. 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 2,558,603 searches. Data last updated August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$159 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$75 | Average$183 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$328 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$378 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$259 | Average$372 | FlexibilityNo cancel fee | On-time63% |