$56+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DEN
Oct 17 — Oct 241
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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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 September 17, 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 September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/15![Multiple Airlines logo]()
$175
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
Nonstop3h 06m
Sun 10/258:26 am -
Nonstop2h 45m
Deal found 9/13![Allegiant Air logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:30 am -
Nonstop3h 06m
Thu 10/298:26 am -
Nonstop2h 45m
Deal found 9/12![Allegiant Air logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/296:30 am -
Nonstop3h 06m
Sat 10/3110:41 am -
2 stops22h 03m
Deal found 9/16![Multiple Airlines logo]()
$187
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
Nonstop3h 06m
Thu 10/298:26 am -
Nonstop2h 45m
Deal found 9/14![Allegiant Air logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/410:43 am -
2 stops22h 55m
Deal found 9/16![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/296:30 am -
Nonstop3h 06m
Wed 11/410:43 am -
2 stops22h 55m
Deal found 9/16![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/296:24 pm -
2 stops39h 58m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 9/16![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 stop17h 00m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 9/16![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 9/15. 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
Sun 11/88:30 am -
Nonstop2h 49m
Deal found 9/15![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Tue 11/176:31 pm -
2 stops47h 45m
Deal found 9/14![Multiple Airlines logo]()
$223
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop6h 55m
Wed 10/2112:01 pm -
1 stop6h 48m
Deal found 9/16![United Airlines logo]()
$246
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 September 17, 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 September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/16. 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 1/52:40 pm -
1 stop8h 10m
Tue 1/127:55 am -
2 stops8h 45m
Deal found 9/16![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop6h 19m
Sat 10/3112:05 pm -
1 stop7h 52m
Deal found 9/14![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 9/16. 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 10/232:38 pm -
1 stop7h 38m
Mon 10/266:00 am -
1 stop5h 40m
Deal found 9/16![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 11/27:30 pm -
1 stop5h 31m
Mon 11/98:00 am -
2 stops10h 17m
Deal found 9/15![American Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:53 pm -
Nonstop3h 21m
Sun 11/17:45 am -
1 stop7h 14m
Deal found 9/15![United Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 pm -
1 stop6h 30m
Mon 10/262:05 pm -
2 stops6h 40m
Deal found 9/16![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 9/17. 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 12/106:17 pm -
1 stop7h 06m
Sun 12/136:00 am -
1 stop7h 13m
Deal found 9/17![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/152:40 pm -
Nonstop3h 40m
Mon 1/1810:50 am -
Nonstop2h 40m
Deal found 9/14![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:57 pm -
1 stop7h 56m
Tue 12/296:00 am -
1 stop6h 42m
Deal found 9/14![United Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:32 pm -
1 stop7h 02m
Sat 11/76:00 am -
2 stops12h 43m
Deal found 9/12![American Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:35 pm -
1 stop5h 35m
Sat 11/217:05 pm -
2 stops13h 35m
Deal found 9/12![Southwest logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/16. 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 1/306:15 am -
2 stops10h 21m
Wed 2/37:30 am -
2 stops10h 21m
Deal found 9/16![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 9/17. 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 1/46:30 am -
1 stop8h 26m
Sat 1/912:51 pm -
1 stop6h 08m
Deal found 9/17![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/48:47 am -
1 stop7h 44m
Sat 1/93:08 pm -
1 stop5h 18m
Deal found 9/17![Delta logo]()
$503
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:10 am -
2 stops6h 15m
Tue 12/88:30 am -
2 stops9h 15m
Deal found 9/13![Southwest logo]()
$437
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/265:30 am -
1 stop8h 52m
Sun 1/313:30 pm -
1 stop5h 41m
Deal found 9/12![American Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:53 pm -
Nonstop3h 21m
Mon 10/195:25 pm -
Nonstop2h 49m
Deal found 9/15![United Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:10 am -
2 stops7h 40m
Sun 11/112:30 pm -
2 stops7h 10m
Deal found 9/15![Southwest logo]()
$447
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/245:30 am -
1 stop8h 57m
Fri 11/277:25 am -
1 stop7h 15m
Deal found 9/15![American Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop6h 55m
Sat 10/3111:34 am -
2 stops7h 20m
Deal found 9/13![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:25 pm -
1 stop7h 00m
Sun 10/1111:55 pm -
1 stop11h 15m
Deal found 9/16![Southwest logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:00 am -
Nonstop3h 18m
Mon 10/266:00 am -
1 stop6h 48m
Deal found 9/12![United Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 9/16. 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 12/132:55 pm -
1 stop7h 22m
Fri 12/182:15 pm -
1 stop7h 26m
Deal found 9/16![American Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:53 pm -
1 stop5h 44m
Mon 10/197:15 am -
1 stop6h 34m
Deal found 9/16![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/206:35 am -
2 stops7h 45m
Sat 2/2710:55 am -
2 stops7h 45m
Deal found 9/13![Southwest logo]()
$513
This United Airlines deal was found by Cheapflights users on 9/16. 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 1/277:00 am -
1 stop6h 22m
Sat 1/307:00 am -
2 stops8h 03m
Deal found 9/16![United Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:21 pm -
1 stop6h 08m
Wed 10/712:54 pm -
1 stop8h 24m
Deal found 9/12![American Airlines logo]()
$675
This Southwest deal was found by Cheapflights users on 9/17. 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 2/117:35 am -
2 stops14h 40m
Tue 2/168:20 am -
1 stop5h 10m
Deal found 9/17![Southwest logo]()
$528
This United Airlines deal was found by Cheapflights users on 9/15. 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 1/274:25 pm -
1 stop6h 02m
Sat 1/307:43 am -
1 stop4h 53m
Deal found 9/15![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:45 am -
2 stops11h 45m
Fri 10/301:40 pm -
1 stop6h 52m
Deal found 9/14![United Airlines logo]()
$454
Last-minute flights from Knoxville to ColoradoDiscover last-minute flight deals from Knoxville to Colorado. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Colorado. Data last updated September 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
Nonstop3h 06m
Sun 10/258:26 am -
Nonstop2h 45m
Deal found 9/13![Allegiant Air logo]()
$177
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop6h 55m
Wed 10/2112:01 pm -
1 stop6h 48m
Deal found 9/16![United Airlines logo]()
$246
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
Nonstop3h 06m
Thu 10/298:26 am -
Nonstop2h 45m
Deal found 9/14![Allegiant Air logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/16. 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
Wed 10/2810:43 am -
2 stops22h 46m
Deal found 9/16![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/2410:55 am -
2 stops12h 36m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 9/15![Multiple Airlines logo]()
$232
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:30 am -
Nonstop3h 06m
Thu 10/298:26 am -
Nonstop2h 45m
Deal found 9/12![Allegiant Air logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 stop17h 00m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 9/16![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/276:04 pm -
2 stops16h 18m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 9/16![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/296:30 am -
Nonstop3h 06m
Sat 10/3110:41 am -
2 stops22h 03m
Deal found 9/16![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/296:30 am -
Nonstop3h 06m
Wed 11/410:43 am -
2 stops22h 55m
Deal found 9/16![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/296:24 pm -
2 stops39h 58m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 9/16![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:04 pm -
1 stop21h 22m
Sun 11/18:26 am -
Nonstop2h 45m
Deal found 9/13![Multiple Airlines logo]()
$224
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 September 17, 2026.
Search for one-way flight options from Knoxville to Colorado. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This CheapOair deal was found by Cheapflights users on 9/16. 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 9/16![Allegiant Air logo]()
$56
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 9/14![Allegiant Air logo]()
$60
This CheapOair deal was found by Cheapflights users on 9/15. 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 9/15![Allegiant Air logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
Nonstop3h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Allegiant Air logo]()
$85
This CheapOair deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:30 am -
Nonstop3h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Allegiant Air logo]()
$86
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
Nonstop3h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Allegiant Air logo]()
$95
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/35:30 am -
1 stop9h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$144
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:25 am -
2 stops11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$150
This Southwest deal was found by Cheapflights users on 9/15. 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 stops13h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$155
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/297:25 am -
1 stop6h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$164
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop5h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![American Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/299:45 am -
2 stops12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$169
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $175 (Kiwi.com) |
One-way from | $56 (CheapOair) |
Popular in | March |
Cheapest in | August |
Average price | $280 |
Good round-trip deal | $342 or less |
Good one-way deal | $191 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 September 17, 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
Wed 10/21
4:53 pm-6:14 pm
Nonstop3h 21m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$114
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Wed 10/21
3:20 pm-9:35 pm
1 stop8h 15m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$124
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Wed 12/16
6:17 pm-11:23 pm
1 stop7h 06m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$135
KnoxvilleMontrose
TYS Knoxville McGhee Tyson - MTJ Montrose County
TYSMTJ
Knoxville McGhee Tyson
Tue 11/3
7:55 am-7:50 pm
2 stops13h 55m
Montrose County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$155
KnoxvilleColorado Springs
TYS Knoxville McGhee Tyson - COS Colorado Springs
TYSCOS
Knoxville McGhee Tyson
Sat 10/31
3:45 pm-9:45 pm
1 stop8h 00m
Colorado Springs
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$166
KnoxvilleColorado Springs
TYS Knoxville McGhee Tyson - COS Colorado Springs
TYSCOS
Knoxville McGhee Tyson
Sat 10/31
10:00 am-6:41 pm
2 stops10h 41m
Colorado Springs
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$171
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Wed 12/16
6:25 am-10:36 am
1 stop6h 11m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$180
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Tue 10/13
7:25 pm-12:30 am
1 stop7h 05m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$180
KnoxvilleMontrose
TYS Knoxville McGhee Tyson - MTJ Montrose County
TYSMTJ
Knoxville McGhee Tyson
Fri 10/30
5:05 pm-8:30 pm
1 stop5h 25m
Montrose County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$184
KnoxvilleDenver
TYS Knoxville McGhee Tyson - DEN Denver Intl
TYSDEN
Knoxville McGhee Tyson
Wed 10/14
4:53 pm-6:14 pm
Nonstop3h 21m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$199
Showing 1-10 of 60 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-GJT
TYS-MTJ
TYS-EGE
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-GJT
TYS-MTJ
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 March is currently the most expensive (average of $374). 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 September 17, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 44% 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 September 17, 2026.
The most flights from TYS to USCO are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, 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 $164 and $378 in November.The cheapest round-trip price found within the last 5 days was $175 on Multiple Airlines (Nov 5-Nov 12).
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 72 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 September 17, 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.
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
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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Knoxville and Colorado flights
Browse other Knoxville and Colorado flight options. Last updated on September 17, 2026.
Popular flight searches
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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 September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$174 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$83 | Average$189 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$459 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$229 | Average$419 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$259 | Average$397 | FlexibilityNo cancel fee | On-time63% |