$55+ Cheap flights from Knoxville to Denver (TYS - DEN)
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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DEN
Nov 7 — Nov 141
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 August or November, booked 86 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 October 8, 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 October 8, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 11/126:30 am -
Nonstop3h 10m
Thu 11/1910:15 am -
Nonstop2h 37m
Deal found 10/4![Allegiant Air logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 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
Tue 11/1010:41 am -
2 stops46h 57m
Deal found 10/6![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:33 pm -
2 stops39h 49m
Thu 11/128:30 am -
Nonstop2h 49m
Deal found 10/6![Multiple Airlines logo]()
$185
This Cheapflightsfares deal was found by Cheapflights users on 10/3. 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 10/226:30 am -
Nonstop3h 06m
Sun 10/258:26 am -
Nonstop2h 45m
Deal found 10/3![Allegiant Air logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 10/3. 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
Sat 11/710:41 am -
2 stops22h 42m
Deal found 10/3![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 10/299:11 pm -
2 stops37h 11m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 10/7![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
Nonstop3h 06m
Mon 10/266:10 am -
1 stop10h 45m
Deal found 10/6![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 10/269:42 pm -
1 stop22h 28m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 10/8![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 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
Sat 11/146:10 am -
3 stops27h 13m
Deal found 10/6![Multiple Airlines logo]()
$218
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 October 8, 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 October 8, 2026.
This Southwest deal was found by Cheapflights users on 10/5. 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 1/282:40 pm -
1 stop7h 50m
Thu 2/47:55 am -
2 stops8h 45m
Deal found 10/5![Southwest logo]()
$288
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 10/299:00 am -
Nonstop3h 28m
Sat 10/3111:18 am -
Nonstop2h 46m
Deal found 10/6![United Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 10/5. 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 2/255:20 pm -
Nonstop3h 35m
Tue 3/27:55 am -
2 stops8h 45m
Deal found 10/5![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 10/6. 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.
Wed 12/165:15 pm -
1 stop7h 20m
Wed 12/231:30 pm -
2 stops7h 05m
Deal found 10/6![Southwest logo]()
$368
This Southwest deal was found by Cheapflights users on 10/7. 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.
Tue 11/37:55 am -
2 stops11h 10m
Thu 11/55:30 am -
1 stop9h 20m
Deal found 10/7![Southwest logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/4. 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 11/205:05 pm -
Nonstop3h 22m
Sat 11/2811:18 am -
Nonstop2h 46m
Deal found 10/4![United Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 10/3. 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 12/125:20 pm -
Nonstop3h 20m
Thu 12/175:30 am -
1 stop9h 20m
Deal found 10/3![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 10/3. 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 12/237:15 pm -
2 stops7h 05m
Mon 12/285:00 am -
1 stop10h 00m
Deal found 10/3![Southwest logo]()
$468
This Southwest deal was found by Cheapflights users on 10/5. 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 11/78:15 am -
2 stops9h 15m
Mon 11/1610:55 am -
2 stops6h 55m
Deal found 10/5![Southwest logo]()
$485
Last-minute flights from Knoxville to DenverDiscover last-minute flight deals from Knoxville to Denver. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Denver. Data last updated October 8, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/3. 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 10/226:30 am -
Nonstop3h 06m
Sun 10/258:26 am -
Nonstop2h 45m
Deal found 10/3![Allegiant Air logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
Nonstop3h 06m
Mon 10/266:10 am -
1 stop10h 45m
Deal found 10/6![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 10/269:42 pm -
1 stop22h 28m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 10/8![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 10/299:11 pm -
2 stops37h 11m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 10/7![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 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
Tue 11/1010:41 am -
2 stops46h 57m
Deal found 10/6![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:33 pm -
2 stops39h 49m
Thu 11/128:30 am -
Nonstop2h 49m
Deal found 10/6![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 10/3. 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
Sat 11/710:41 am -
2 stops22h 42m
Deal found 10/3![Multiple Airlines logo]()
$194
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 11/126:30 am -
Nonstop3h 10m
Thu 11/1910:15 am -
Nonstop2h 37m
Deal found 10/4![Allegiant Air logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 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
Sat 11/146:10 am -
3 stops27h 13m
Deal found 10/6![Multiple Airlines logo]()
$218
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 October 8, 2026.
Search for one-way flight options from Knoxville to Denver. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/3. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Allegiant Air logo]()
$55
This CheapOair deal was found by Cheapflights users on 10/3. 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 11/126:30 am -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Allegiant Air logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 11/16:30 am -
Nonstop3h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Allegiant Air logo]()
$73
This CheapOair deal was found by Cheapflights users on 10/5. 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 11/156:30 am -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Allegiant Air logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 12/71:58 pm -
2 stops42h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$95
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 October 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $165 (Cheapflightsfares) |
One-way from | $55 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $315 |
Good round-trip deal | $388 or less |
Good one-way deal | $203 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 7,457,451 searches. Data last updated October 8, 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
Sat 12/5
5:20 pm-6:40 pm
Nonstop3h 20m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$125
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Tue 1/5
7:30 am-2:03 pm
1 stop8h 33m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$135
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Sat 1/9
7:55 am-12:03 pm
1 stop6h 08m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$135
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Wed 10/28
5:15 pm-10:25 pm
2 stops7h 10m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$140
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Mon 12/7
4:01 pm-10:11 pm
1 stop8h 10m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$141
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Thu 11/26
9:00 am-10:28 am
Nonstop3h 28m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$170
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Fri 11/6
5:25 pm-6:50 pm
Nonstop3h 25m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$170
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Thu 1/7
4:28 pm-6:02 pm
Nonstop3h 34m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$186
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Wed 1/6
7:07 am-5:45 pm
2 stops12h 38m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$190
Quickest round-trip
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Wed 3/24
4:25 pm-5:43 pm
Nonstop3h 18m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$199
Showing 1-10 of 21 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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
Prices
Airlines
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 85 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, August is the cheapest month in which you can book a flight from Knoxville to Denver (average of $228). Flying from Knoxville to Denver in March is currently the most expensive (average of $375). 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 October 8, 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 in the evening could potentially save you up to 43% 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 October 8, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines 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.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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
Lakewood
Centennial
Black Hawk
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Frisco
Winter Park
Limon
Englewood
Manitou Springs
Glendale
Cripple Creek
Evergreen
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Other flights to Denver
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Knoxville and Denver flights
Browse other Knoxville and Denver flight options. Last updated on October 8, 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 October 8, 2026.
Popular flight searches
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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 7,457,451 searches. Data last updated October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$173 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$83 | Average$187 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$223 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$229 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$387 | FlexibilityNo cancel fee | On-time63% |