$242+ Cheap flights from Knoxville (TYS) to Ontario
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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — YYZ
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Ontario 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 OntarioExplore the most affordable flight options available from Knoxville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Knoxville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
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.
Tue 10/276:04 pm -
1 stop29h 51m
Tue 11/39:20 am -
1 stop24h 45m
Deal found 9/12![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:08 pm -
1 stop28h 47m
Fri 11/135:20 pm -
1 stop18h 19m
Deal found 9/10![Multiple Airlines logo]()
$362
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.
Tue 10/276:04 pm -
1 stop23h 16m
Tue 11/35:30 am -
2 stops28h 35m
Deal found 9/12![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:14 pm -
1 stop18h 46m
Sat 10/317:15 am -
1 stop13h 35m
Deal found 9/10![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:37 pm -
2 stops34h 43m
Mon 10/57:15 am -
1 stop12h 09m
Deal found 9/10![Multiple Airlines logo]()
$401
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.
Fri 10/308:30 am -
1 stop13h 25m
Fri 11/65:20 pm -
1 stop18h 19m
Deal found 9/15![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:00 am -
1 stop13h 55m
Thu 12/1012:20 pm -
2 stops20h 07m
Deal found 9/10![Multiple Airlines logo]()
$442
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.
Mon 11/168:44 pm -
1 stop20h 26m
Fri 11/201:40 pm -
1 stop9h 47m
Deal found 9/15![Multiple Airlines logo]()
$454
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 10/299:05 am -
1 stop8h 15m
Thu 11/57:05 am -
1 stop15h 32m
Deal found 9/14![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
2 stops29h 34m
Sun 11/18:00 am -
1 stop27h 14m
Deal found 9/10![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:15 am -
2 stops10h 52m
Sun 10/43:15 pm -
1 stop20h 49m
Deal found 9/10![Multiple Airlines logo]()
$538
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 10/106:00 am -
2 stops29h 15m
Tue 10/136:00 am -
1 stop4h 20m
Deal found 9/15![Multiple Airlines logo]()
$562
Best flights from Knoxville to OntarioDiscover carefully curated flight deals from Knoxville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Knoxville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
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.
Tue 10/276:04 pm -
1 stop23h 16m
Tue 11/37:05 am -
1 stop27h 00m
Deal found 9/12![Multiple Airlines logo]()
$376
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:23 pm -
1 stop5h 31m
Tue 10/2012:44 pm -
1 stop7h 24m
Deal found 9/15![Delta logo]()
$617
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:50 am -
1 stop7h 38m
Fri 11/201:03 pm -
1 stop7h 47m
Deal found 9/10![American Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:45 am -
1 stop12h 12m
Wed 11/410:00 am -
1 stop13h 59m
Deal found 9/10![United Airlines logo]()
$654
This Air Canada deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:45 am -
2 stops9h 47m
Wed 11/46:45 am -
1 stop6h 28m
Deal found 9/11![Air Canada logo]()
$676
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:06 pm -
2 stops12h 38m
Tue 11/35:30 am -
2 stops15h 39m
Deal found 9/12![WestJet logo]()
$765
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:37 pm -
2 stops34h 43m
Mon 10/57:15 am -
1 stop12h 09m
Deal found 9/10![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:57 pm -
1 stop27h 13m
Fri 12/116:30 am -
1 stop6h 52m
Deal found 9/10![Multiple Airlines logo]()
$419
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.
Fri 10/308:30 am -
1 stop13h 25m
Fri 11/65:20 pm -
1 stop18h 19m
Deal found 9/15![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:00 am -
1 stop13h 55m
Thu 12/1012:20 pm -
2 stops20h 07m
Deal found 9/10![Multiple Airlines logo]()
$442
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:23 pm -
1 stop5h 31m
Tue 10/136:00 am -
1 stop4h 20m
Deal found 9/15![Delta logo]()
$617
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.
Fri 12/46:50 am -
1 stop6h 54m
Mon 12/71:04 pm -
1 stop7h 45m
Deal found 9/13![American Airlines logo]()
$618
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 10/299:05 am -
1 stop8h 15m
Thu 11/57:05 am -
1 stop15h 32m
Deal found 9/14![Multiple Airlines logo]()
$462
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 10/136:06 pm -
1 stop4h 46m
Tue 10/207:40 am -
2 stops7h 41m
Deal found 9/15![American Airlines logo]()
$627
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.
Sat 10/315:45 am -
1 stop9h 31m
Wed 11/49:15 am -
1 stop5h 33m
Deal found 9/12![United Airlines logo]()
$695
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:06 am -
1 stop4h 46m
Sat 12/512:50 pm -
1 stop7h 10m
Deal found 9/12![Delta logo]()
$656
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:25 pm -
1 stop4h 29m
Tue 10/275:45 am -
2 stops9h 03m
Deal found 9/14![Air Canada logo]()
$765
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.
Mon 10/129:33 pm -
1 stop16h 32m
Wed 10/141:34 pm -
1 stop3h 54m
Deal found 9/14![Multiple Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:42 am -
1 stop10h 53m
Tue 10/279:45 am -
1 stop9h 51m
Deal found 9/11![United Airlines logo]()
$757
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.
Sun 10/119:39 pm -
1 stop23h 40m
Sun 10/187:00 am -
1 stop28h 14m
Deal found 9/13![Multiple Airlines logo]()
$522
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/910:16 am -
2 stops23h 43m
Tue 1/1210:35 am -
2 stops13h 30m
Deal found 9/10![Air Canada logo]()
$916
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.
Fri 2/128:10 am -
2 stops10h 55m
Fri 2/194:20 pm -
1 stop20h 42m
Deal found 9/12![Multiple Airlines logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:30 am -
1 stop7h 15m
Sun 11/18:00 am -
1 stop27h 14m
Deal found 9/10![Multiple Airlines logo]()
$564
Last-minute flights from Knoxville to OntarioDiscover last-minute flight deals from Knoxville to Ontario. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Ontario. Data last updated September 15, 2026 and is based on user searches.
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.
Thu 9/175:21 pm -
1 stop23h 34m
Sat 9/196:30 am -
1 stop27h 34m
Deal found 9/13![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:37 pm -
2 stops34h 43m
Mon 10/57:15 am -
1 stop12h 09m
Deal found 9/10![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:15 am -
2 stops10h 52m
Sun 10/43:15 pm -
1 stop20h 49m
Deal found 9/10![Multiple Airlines logo]()
$538
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.
Sat 10/39:36 pm -
1 stop16h 29m
Tue 10/69:30 am -
1 stop7h 44m
Deal found 9/12![Multiple Airlines logo]()
$520
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.
Sun 10/119:39 pm -
1 stop23h 40m
Sun 10/187:00 am -
1 stop28h 14m
Deal found 9/13![Multiple Airlines logo]()
$522
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.
Mon 10/129:33 pm -
1 stop16h 32m
Wed 10/141:34 pm -
1 stop3h 54m
Deal found 9/14![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
2 stops29h 34m
Sun 11/18:00 am -
1 stop27h 14m
Deal found 9/10![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:14 pm -
1 stop18h 46m
Sat 10/317:15 am -
1 stop13h 35m
Deal found 9/10![Multiple Airlines logo]()
$377
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.
Tue 10/276:04 pm -
1 stop29h 51m
Tue 11/39:20 am -
1 stop24h 45m
Deal found 9/12![Multiple Airlines logo]()
$325
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.
Tue 10/276:04 pm -
1 stop23h 16m
Tue 11/35:30 am -
2 stops28h 35m
Deal found 9/12![Multiple Airlines logo]()
$365
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 10/299:05 am -
1 stop8h 15m
Thu 11/57:05 am -
1 stop15h 32m
Deal found 9/14![Multiple Airlines logo]()
$462
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.
Fri 10/308:30 am -
1 stop13h 25m
Fri 11/65:20 pm -
1 stop18h 19m
Deal found 9/15![Multiple Airlines logo]()
$419
One-way flights from Knoxville to OntarioSearch for one-way flight options from Knoxville to Ontario. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Knoxville to Ontario. Find affordable one-way fares based on user searches. Data last updated September 15, 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.
Mon 12/149:15 pm -
2 stops27h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$242
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 12/147:50 am -
1 stop7h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:10 am -
3 stops37h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$345
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.
Sat 12/266:20 am -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$413
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.
Sun 12/276:30 am -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:30 am -
1 stop5h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![American Airlines logo]()
$428
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.
Sat 12/266:30 am -
2 stops15h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$440
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 12/268:01 pm -
3 stops21h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$759
Find flight deals from Knoxville to Ontario
Keep the following information in mind while searching for Knoxville to Ontario flight deals. Data was last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $325 (Kiwi.com) |
One-way from | $242 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Ontario 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 15, 2026.
Use the filters below to find and compare flights from Knoxville to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleMontreal
TYS Knoxville McGhee Tyson - YUL Montreal Pierre Elliott Trudeau Intl
TYSYUL
Knoxville McGhee Tyson
Mon 12/14
11:00 am-10:20 pm
3 stops35h 20m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$250
KnoxvilleMontreal
TYS Knoxville McGhee Tyson - YUL Montreal Pierre Elliott Trudeau Intl
TYSYUL
Knoxville McGhee Tyson
Mon 12/14
7:50 am-3:28 pm
1 stop7h 38m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
KnoxvilleMontreal
TYS Knoxville McGhee Tyson - YUL Montreal Pierre Elliott Trudeau Intl
TYSYUL
Knoxville McGhee Tyson
Sun 9/27
8:10 am-9:12 pm
3 stops37h 02m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$345
KnoxvilleOttawa
TYS Knoxville McGhee Tyson - YOW Ottawa
TYSYOW
Knoxville McGhee Tyson
Tue 10/27
6:04 pm-5:20 pm
1 stop23h 16m
Ottawa
Tue 11/3
7:05 am-10:05 am
1 stop27h 00m
$376
KnoxvilleOttawa
TYS Knoxville McGhee Tyson - YOW Ottawa
TYSYOW
Knoxville McGhee Tyson
Thu 10/1
1:37 pm-12:20 am
2 stops34h 43m
Ottawa
Mon 10/5
7:15 am-7:24 pm
1 stop12h 09m
$401
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Tue 12/8
1:57 pm-5:10 pm
1 stop27h 13m
Toronto Pearson Intl
Fri 12/11
6:30 am-1:22 pm
1 stop6h 52m
$419
KnoxvilleToronto
TYS Knoxville McGhee Tyson - YYZ Toronto Pearson Intl
TYSYYZ
Knoxville McGhee Tyson
Fri 10/30
8:30 am-9:55 pm
1 stop13h 25m
Toronto Pearson Intl
Fri 11/6
5:20 pm-11:39 am
1 stop18h 19m
$419
KnoxvilleOttawa
TYS Knoxville McGhee Tyson - YOW Ottawa
TYSYOW
Knoxville McGhee Tyson
Sun 12/27
6:30 am-2:45 pm
1 stop8h 15m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$421
Quickest round-trip
KnoxvilleMontreal
TYS Knoxville McGhee Tyson - YUL Montreal Pierre Elliott Trudeau Intl
TYSYUL
Knoxville McGhee Tyson
Sun 9/27
6:30 am-12:26 pm
1 stop5h 56m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$428
KnoxvilleOttawa
TYS Knoxville McGhee Tyson - YOW Ottawa
TYSYOW
Knoxville McGhee Tyson
Sun 12/27
5:45 am-11:55 pm
2 stops18h 10m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$440
Showing 1-10 of 30 resultsSorted by cheapest first
Best time to book a flight from Knoxville to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Knoxville with our price prediction graph.
TYS-YUL
TYS-YOW
TYS-YYZ
TYS-YSB
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 Ontario
TYS-CAON
TYS-YUL
TYS-YOW
TYS-YYZ
TYS-YSB
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated September 15, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Knoxville to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Crew
8.1
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Crew
8.1
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Ontario. 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 Ontario
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Complete your trip
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Knoxville and Ontario flights
Browse other Knoxville and Ontario flight options. Last updated on September 15, 2026.
Popular flight searches
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Top 2 airlines flying from Knoxville to Ontario
Discover the top 2 airlines that operate flights from Knoxville to Ontario. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$688 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$427 | Average$683 | FlexibilityNo cancel fee | On-time71% |