$92+ Cheap flights from Knoxville (TYS) to Colorado
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.
TYS — DEN
Dec 2 — Dec 91
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Colorado 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Colorado
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Cheapest flights from Knoxville to ColoradoExplore the most affordable flight options available from Knoxville to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2026.
Explore the most affordable flight options available from Knoxville to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2026.
This CheapOair deal was found by Cheapflights users on 10/29. 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 11/16:30 am -
Nonstop3h 06m
Sun 11/88:30 am -
Nonstop2h 49m
Deal found 10/29![Allegiant Air logo]()
$175
This CheapOair deal was found by Cheapflights users on 10/28. 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 11/56:30 am -
Nonstop3h 10m
Sun 11/88:30 am -
Nonstop2h 49m
Deal found 10/28![Allegiant Air logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/78:00 am -
1 stop14h 00m
Thu 12/102:26 pm -
1 stop21h 17m
Deal found 10/28![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 12/49:37 pm -
1 stop12h 36m
Thu 12/102:26 pm -
1 stop21h 17m
Deal found 10/28![Multiple Airlines logo]()
$216
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 11/198:00 am -
Nonstop3h 25m
Tue 11/248:56 am -
Nonstop2h 39m
Deal found 10/29![Allegiant Air logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/198:00 am -
Nonstop3h 25m
Mon 11/236:25 am -
1 stop15h 04m
Deal found 10/29![Multiple Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 12/52:36 pm -
1 stop7h 44m
Wed 12/96:00 am -
1 stop5h 51m
Deal found 10/28![Delta logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/78:00 am -
1 stop14h 00m
Fri 12/1110:34 am -
1 stop21h 37m
Deal found 10/28![Multiple Airlines logo]()
$248
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:32 pm -
1 stop7h 29m
Sat 12/58:00 am -
1 stop6h 39m
Deal found 10/30![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 10/30. 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 12/37:59 am -
2 stops11h 24m
Sat 12/51:40 pm -
1 stop6h 37m
Deal found 10/30![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 12/84:43 pm -
1 stop5h 56m
Tue 12/151:26 pm -
1 stop7h 24m
Deal found 10/31![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 10/30. 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 12/412:32 pm -
2 stops11h 52m
Sun 12/61:40 pm -
1 stop6h 16m
Deal found 10/30![Delta logo]()
$418
Best flights from Knoxville to ColoradoDiscover carefully curated flight deals from Knoxville to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2026.
Discover carefully curated flight deals from Knoxville to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2026.
This Delta deal was found by Cheapflights users on 10/30. 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 12/37:59 am -
2 stops11h 24m
Sat 12/51:40 pm -
1 stop6h 37m
Deal found 10/30![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/46:00 am -
1 stop6h 26m
Mon 12/75:43 pm -
Nonstop3h 07m
Deal found 10/30![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 10/30. 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 1/246:45 am -
2 stops9h 15m
Thu 1/288:55 am -
2 stops8h 45m
Deal found 10/30![Southwest logo]()
$381
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/268:20 am -
1 stop8h 30m
Sun 1/313:30 pm -
1 stop5h 49m
Deal found 10/28![American Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 12/84:43 pm -
1 stop5h 56m
Tue 12/157:15 am -
2 stops7h 45m
Deal found 10/31![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 10/29. 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 2/201:15 pm -
1 stop6h 05m
Thu 2/2510:20 am -
2 stops11h 05m
Deal found 10/29![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 10/29. 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.
Tue 4/67:55 am -
2 stops12h 20m
Tue 4/136:50 pm -
2 stops12h 22m
Deal found 10/29![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 4/64:25 pm -
1 stop6h 02m
Tue 4/131:20 pm -
1 stop7h 00m
Deal found 10/29![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 10/28. 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 11/237:25 pm -
1 stop7h 00m
Mon 11/3010:30 am -
Nonstop2h 35m
Deal found 10/28![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 12/196:55 pm -
1 stop7h 25m
Sat 12/261:30 pm -
1 stop7h 40m
Deal found 10/30![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 11/1. 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 12/244:52 pm -
1 stop7h 04m
Tue 12/293:50 pm -
1 stop5h 20m
Deal found 11/1![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 11/1. 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 2/203:35 pm -
1 stop7h 21m
Wed 2/241:40 pm -
2 stops8h 19m
Deal found 11/1![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 10/31. 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 1/37:15 pm -
2 stops7h 10m
Fri 1/88:55 am -
2 stops7h 40m
Deal found 10/31![Southwest logo]()
$438
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/312:45 pm -
1 stop7h 50m
Sat 2/137:30 am -
1 stop8h 24m
Deal found 10/29![American Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 10/30. 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 12/412:32 pm -
2 stops11h 52m
Sun 12/61:40 pm -
1 stop6h 16m
Deal found 10/30![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/174:55 pm -
Nonstop3h 30m
Sat 12/1911:59 pm -
1 stop9h 05m
Deal found 11/1![United Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 11/1. 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 12/197:45 pm -
1 stop4h 35m
Sat 12/2612:35 pm -
Nonstop2h 35m
Deal found 11/1![Southwest logo]()
$482
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/125:05 pm -
1 stop5h 29m
Sun 11/157:10 am -
1 stop6h 54m
Deal found 10/29![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 12/155:35 pm -
1 stop6h 24m
Mon 12/216:00 am -
1 stop6h 42m
Deal found 11/1![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/1. 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.
Tue 11/172:40 pm -
1 stop8h 10m
Wed 11/186:00 am -
1 stop5h 55m
Deal found 11/1![Delta logo]()
$503
This Southwest deal was found by Cheapflights users on 11/1. 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 3/61:15 pm -
1 stop6h 05m
Sat 3/1311:05 am -
1 stop9h 55m
Deal found 11/1![Southwest logo]()
$512
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/144:43 pm -
Nonstop3h 27m
Fri 12/185:40 pm -
Nonstop3h 03m
Deal found 11/1![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 10/30. 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 11/147:10 am -
2 stops9h 40m
Wed 11/186:30 am -
2 stops11h 20m
Deal found 10/30![Southwest logo]()
$513
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 3/94:25 pm -
1 stop6h 15m
Fri 3/267:40 am -
1 stop6h 11m
Deal found 11/1![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 10/29. 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.
Sat 11/142:40 pm -
1 stop8h 10m
Sun 11/156:00 am -
1 stop5h 55m
Deal found 10/29![Delta logo]()
$555
This Southwest deal was found by Cheapflights users on 11/1. 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 11/174:15 pm -
1 stop7h 30m
Sat 11/217:05 pm -
2 stops13h 35m
Deal found 11/1![Southwest logo]()
$514
This United Airlines deal was found by Cheapflights users on 10/29. 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 1/304:28 pm -
1 stop6h 05m
Wed 2/37:05 am -
1 stop5h 50m
Deal found 10/29![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 10/29. 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 11/124:00 pm -
1 stop6h 50m
Tue 11/176:00 am -
1 stop5h 55m
Deal found 10/29![Delta logo]()
$555
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 1/266:55 am -
1 stop7h 24m
Wed 1/271:00 pm -
1 stop6h 59m
Deal found 10/31![United Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 11/1. 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 11/145:20 pm -
1 stop5h 15m
Mon 11/166:55 am -
1 stop6h 35m
Deal found 11/1![Southwest logo]()
$555
Last-minute flights from Knoxville to ColoradoDiscover last-minute flight deals from Knoxville to Colorado. Data last updated November 2, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Colorado. Data last updated November 2, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/29. 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 11/16:30 am -
Nonstop3h 06m
Sun 11/88:30 am -
Nonstop2h 49m
Deal found 10/29![Allegiant Air logo]()
$175
This CheapOair deal was found by Cheapflights users on 10/28. 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 11/56:30 am -
Nonstop3h 10m
Sun 11/88:30 am -
Nonstop2h 49m
Deal found 10/28![Allegiant Air logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 10/28. 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
Thu 11/128:30 am -
Nonstop2h 49m
Deal found 10/28![Allegiant Air logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/910:25 am -
1 stop7h 09m
Fri 11/136:10 pm -
1 stop21h 23m
Deal found 10/29![Allegiant Air logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/156:30 am -
Nonstop3h 10m
Mon 11/236:25 am -
1 stop15h 04m
Deal found 10/29![Multiple Airlines logo]()
$254
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 11/198:00 am -
Nonstop3h 25m
Tue 11/248:56 am -
Nonstop2h 39m
Deal found 10/29![Allegiant Air logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/198:00 am -
Nonstop3h 25m
Mon 11/236:25 am -
1 stop15h 04m
Deal found 10/29![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/198:00 am -
Nonstop3h 25m
Sat 11/2111:59 pm -
2 stops15h 24m
Deal found 10/29![Multiple Airlines logo]()
$250
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:32 pm -
1 stop7h 29m
Sat 12/58:00 am -
1 stop6h 39m
Deal found 10/30![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 10/30. 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 12/37:59 am -
2 stops11h 24m
Sat 12/51:40 pm -
1 stop6h 37m
Deal found 10/30![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 10/30. 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 12/412:32 pm -
2 stops11h 52m
Sun 12/61:40 pm -
1 stop6h 16m
Deal found 10/30![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 12/84:43 pm -
1 stop5h 56m
Tue 12/151:26 pm -
1 stop7h 24m
Deal found 10/31![United Airlines logo]()
$347
One-way flights from Knoxville to ColoradoSearch for one-way flight options from Knoxville to Colorado. Find affordable one-way fares based on user searches. Data last updated November 2, 2026.
Search for one-way flight options from Knoxville to Colorado. Find affordable one-way fares based on user searches. Data last updated November 2, 2026.
This CheapOair deal was found by Cheapflights users on 10/29. 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 10/29![Allegiant Air logo]()
$92
This CheapOair deal was found by Cheapflights users on 10/28. 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 11/56:30 am -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Allegiant Air logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/246:40 am -
Nonstop3h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Allegiant Air logo]()
$108
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/164:43 pm -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$114
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/2111:30 am -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$124
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 1/56:01 am -
1 stop7h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/248:37 am -
1 stop26h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Allegiant Air logo]()
$269
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/259:45 am -
2 stops12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/246:40 am -
3 stops35h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 11/1. 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 11/243:45 pm -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Southwest logo]()
$445
Find flight deals from Knoxville to Colorado
Keep the following information in mind while searching for Knoxville to Colorado flight deals. Data was last updated November 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Cheapflightsfares) |
One-way from | $92 (CheapOair) |
Popular in | October |
Cheapest in | August |
Average price | $293 |
Good round-trip deal | $394 or less |
Good one-way deal | $259 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Colorado 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 November 2, 2026.
Use the filters below to find and compare flights from Knoxville to Colorado 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
Mon 11/23
8:10 am-2:00 pm
2 stops7h 50m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Thu 11/26
6:45 am-1:00 pm
2 stops8h 15m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
Quickest round-trip
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Wed 11/25
5:05 pm-6:23 pm
Nonstop3h 18m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$160
KnoxvilleHayden
TYS Knoxville McGhee Tyson - HDN Hayden Yampa Valley
TYSHDN
Knoxville McGhee Tyson
Tue 1/5
6:01 am-11:30 am
1 stop7h 29m
Hayden Yampa Valley
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$174
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Fri 11/27
7:05 am-9:55 am
1 stop4h 50m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$255
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Sun 1/3
7:35 pm-12:15 am
1 stop6h 40m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$284
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Sat 12/26
5:57 pm-11:53 pm
1 stop7h 56m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$284
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Mon 11/16
4:15 pm-5:35 pm
Nonstop3h 20m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$294
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Thu 11/12
8:52 pm-12:26 am
1 stop5h 34m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$304
KnoxvilleColorado Springs
TYS Knoxville McGhee Tyson - COS Colorado Springs
TYSCOS
Knoxville McGhee Tyson
Thu 12/3
7:59 am-5:23 pm
2 stops11h 24m
Colorado Springs
Sat 12/5
1:40 pm-10:17 pm
1 stop6h 37m
$306
Showing 1-10 of 45 resultsSorted by cheapest first
Best time to book a flight from Knoxville to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Knoxville with our price prediction graph.
TYS-DEN
TYS-COS
TYS-HDN
TYS-EGE
TYS-GJT
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 Colorado
TYS-USCO
TYS-DEN
TYS-COS
TYS-HDN
TYS-EGE
What is the cheapest month to book a flight from Knoxville to Colorado?
Currently, August is the cheapest month in which you can book a flight from Knoxville to Colorado (average of $256). Flying from Knoxville to Colorado in October is currently the most expensive (average of $398). 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 CO?
Find hourly flight availability from Knoxville to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 40% on flights from Knoxville to Colorado by exploring options for tickets in the evening.
Weekly flight availability from Knoxville to Colorado
Explore weekly flight availability from Knoxville to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 2, 2026.
The most flights from TYS to USCO are scheduled on a Sunday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Knoxville to Colorado?
Airfare is typical for this route at the moment.
Knoxville to Colorado flights typically cost between $177 and $430 in November.The cheapest round-trip price found within the last 5 days was $227 on Allegiant Air (Nov 19-Nov 24).
How far ahead should I book a flight from Knoxville to Colorado?
The price you pay for your flight from Knoxville to Colorado may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated November 2, 2026.
See what other customers who have flown with Southwest,United Airlines, andAllegiant Air from Knoxville to Colorado have to say. 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.
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
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 Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Knoxville to Colorado
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Complete your trip
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Find flights from Knoxville to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Colorado flights
Browse other Knoxville and Colorado flight options. Last updated on November 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Knoxville to Colorado flights
Consider these flights traveling from Knoxville to Colorado.
Top 6 airlines flying from Knoxville to Colorado
Discover the top 6 airlines that operate flights from Knoxville to Colorado. 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 November 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$173 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$83 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$319 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$457 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$479 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$250 | Average$393 | FlexibilityNo cancel fee | On-time63% |