$82+ Cheap flights from Ontario (ONT) to Tennessee
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNA
Aug 19 — Aug 261
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Tennessee with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Ontario to TennesseeExplore the most affordable flight options available from Ontario to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
Explore the most affordable flight options available from Ontario to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 8/257:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Tue 9/112:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/15![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Wed 9/96:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Mon 9/1411:32 am
BNA
- ONT
1 stop14h 23m
Frontier
Deal found 7/15![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Mon 9/147:42 pm
BNA
- ONT
1 stop30h 13m
Frontier
Deal found 7/17![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Wed 8/56:00 am
ONT
- BNA
1 stop27h 40m
Frontier
Tue 8/1112:25 pm
BNA
- ONT
1 stop23h 39m
Frontier
Deal found 7/15![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Wed 8/126:00 am
ONT
- BNA
1 stop27h 40m
Frontier
Sat 8/1512:25 pm
BNA
- ONT
1 stop13h 25m
Frontier
Deal found 7/15![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 9/17:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Thu 9/312:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/15![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/176:00 am
ONT
- BNA
1 stop28h 10m
Frontier
Mon 8/2412:55 pm
BNA
- ONT
1 stop23h 09m
Frontier
Deal found 7/16![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 11/96:15 am
ONT
- BNA
1 stop10h 32m
Frontier
Mon 11/167:42 pm
BNA
- ONT
1 stop30h 13m
Frontier
Deal found 7/15![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 9/16:00 am
ONT
- BNA
1 stop28h 10m
Frontier
Wed 9/97:42 pm
BNA
- ONT
1 stop30h 13m
Frontier
Deal found 7/15![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:35 pm
ONT
- BNA
1 stop26h 12m
Frontier
Tue 11/107:42 pm
BNA
- ONT
1 stop30h 13m
Frontier
Deal found 7/17![Frontier logo]()
$203
This Trip.com deal was found by Cheapflights users on 7/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Fri 9/1111:32 am
BNA
- ONT
1 stop14h 23m
Frontier
Deal found 7/17![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/109:36 am
ONT
- TYS
1 stop10h 36m
Multiple Airlines
Mon 8/175:54 pm
TYS
- ONT
1 stop28h 07m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$224
Best flights from Ontario to TennesseeDiscover carefully curated flight deals from Ontario to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
Discover carefully curated flight deals from Ontario to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
This Delta deal was found by Cheapflights users on 7/18. 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 8/259:43 am
ONT
- MEM
1 stop5h 57m
Delta
Sat 8/297:10 am
MEM
- ONT
1 stop7h 06m
Delta
Deal found 7/18![Delta logo]()
$310
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:25 am
ONT
- TYS
1 stop8h 30m
Southwest
Wed 8/261:55 pm
TYS
- ONT
2 stops10h 00m
Southwest
Deal found 7/18![Southwest logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:26 pm
ONT
- BNA
1 stop10h 14m
Alaska Airlines
Thu 8/134:43 pm
BNA
- ONT
1 stop9h 09m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/205:00 am
ONT
- MEM
1 stop7h 50m
United Airlines
Mon 8/244:33 pm
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 7/14![United Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 7/15. 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.
Fri 7/3112:35 pm
ONT
- TRI
1 stop8h 53m
American Airlines
Tue 8/45:24 pm
TRI
- ONT
1 stop8h 08m
American Airlines
Deal found 7/15![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:05 am
ONT
- MEM
1 stop7h 50m
Delta
Sat 8/87:10 am
MEM
- ONT
1 stop7h 06m
Delta
Deal found 7/14![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 7/18. 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 8/2710:00 pm
ONT
- MEM
1 stop9h 27m
Delta
Tue 9/16:00 am
MEM
- ONT
1 stop6h 42m
Delta
Deal found 7/18![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 7/19. 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 8/187:45 am
ONT
- TYS
2 stops8h 10m
Southwest
Tue 8/253:00 pm
TYS
- ONT
2 stops8h 55m
Southwest
Deal found 7/19![Southwest logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:26 pm
ONT
- BNA
1 stop10h 14m
Alaska Airlines
Tue 8/187:02 am
BNA
- ONT
1 stop11h 28m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 7/17. 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.
Tue 8/117:00 am
ONT
- TYS
1 stop6h 30m
Southwest
Thu 8/134:50 pm
TYS
- ONT
2 stops7h 55m
Southwest
Deal found 7/17![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Sat 10/245:00 am
ONT
- MEM
1 stop7h 13m
United Airlines
Sat 11/75:00 pm
MEM
- ONT
1 stop6h 50m
United Airlines
Deal found 7/17![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 7/19. 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 8/2010:00 pm
ONT
- CHA
1 stop8h 18m
Delta
Sun 8/234:05 pm
CHA
- ONT
1 stop8h 47m
Delta
Deal found 7/19![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 7/18. 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 8/155:50 am
ONT
- TYS
2 stops8h 50m
Southwest
Sat 8/221:55 pm
TYS
- ONT
2 stops9h 10m
Southwest
Deal found 7/18![Southwest logo]()
$378
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/712:33 pm
ONT
- TRI
1 stop7h 17m
American Airlines
Sat 8/87:00 am
TRI
- ONT
1 stop7h 43m
American Airlines
Deal found 7/18![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 7/18. 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 8/2410:00 pm
ONT
- MEM
1 stop7h 46m
Delta
Tue 9/17:10 am
MEM
- ONT
1 stop7h 06m
Delta
Deal found 7/18![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/55:00 am
ONT
- CHA
2 stops9h 23m
United Airlines
Fri 8/141:51 pm
CHA
- ONT
2 stops12h 08m
United Airlines
Deal found 7/19![United Airlines logo]()
$451
This Southwest deal was found by Cheapflights users on 7/14. 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.
Mon 8/105:15 am
ONT
- MEM
2 stops7h 05m
Southwest
Wed 8/126:30 am
MEM
- ONT
2 stops8h 10m
Southwest
Deal found 7/14![Southwest logo]()
$384
This United Airlines deal was found by Cheapflights users on 7/15. 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 8/271:18 pm
ONT
- TYS
1 stop6h 11m
United Airlines
Mon 8/313:40 pm
TYS
- ONT
1 stop9h 19m
United Airlines
Deal found 7/15![United Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 7/18. 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 8/812:00 pm
ONT
- TYS
1 stop7h 39m
Delta
Wed 8/124:38 pm
TYS
- ONT
1 stop6h 15m
Delta
Deal found 7/18![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 7/20. 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 9/412:33 pm
ONT
- CHA
1 stop6h 47m
American Airlines
Mon 9/76:14 am
CHA
- ONT
1 stop6h 20m
American Airlines
Deal found 7/20![American Airlines logo]()
$509
This Southwest deal was found by Cheapflights users on 7/15. 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.
Wed 9/27:25 am
ONT
- BNA
Nonstop3h 50m
Southwest
Mon 9/75:35 am
BNA
- ONT
1 stop8h 25m
Southwest
Deal found 7/15![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 7/15. 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 10/315:00 am
ONT
- TYS
1 stop7h 59m
United Airlines
Wed 11/49:00 am
TYS
- ONT
2 stops14h 06m
United Airlines
Deal found 7/15![United Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 7/18. 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 8/259:43 am
ONT
- MEM
1 stop5h 57m
Delta
Sun 8/307:10 am
MEM
- ONT
1 stop7h 06m
Delta
Deal found 7/18![Delta logo]()
$383
This American Airlines deal was found by Cheapflights users on 7/18. 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 9/177:11 pm
ONT
- CHA
2 stops11h 32m
American Airlines
Sun 9/206:13 am
CHA
- ONT
1 stop6h 16m
American Airlines
Deal found 7/18![American Airlines logo]()
$514
This Southwest deal was found by Cheapflights users on 7/19. 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 8/187:45 am
ONT
- BNA
1 stop6h 20m
Southwest
Tue 8/254:50 pm
BNA
- ONT
Nonstop4h 05m
Southwest
Deal found 7/19![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 7/16. 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 8/1312:25 pm
ONT
- BNA
1 stop5h 45m
Southwest
Thu 8/201:25 pm
BNA
- ONT
Nonstop4h 05m
Southwest
Deal found 7/16![Southwest logo]()
$387
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 10/1412:43 pm
ONT
- TRI
1 stop7h 01m
American Airlines
Tue 10/207:07 am
TRI
- ONT
1 stop7h 46m
American Airlines
Deal found 7/16![American Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 7/18. 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 8/2710:00 pm
ONT
- MEM
1 stop7h 46m
Delta
Mon 8/317:10 am
MEM
- ONT
1 stop7h 06m
Delta
Deal found 7/18![Delta logo]()
$396
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/195:00 am
ONT
- TYS
2 stops8h 58m
United Airlines
Wed 8/269:00 am
TYS
- ONT
2 stops12h 16m
United Airlines
Deal found 7/16![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 7/19. 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 8/2010:00 pm
ONT
- MEM
1 stop9h 27m
Delta
Sun 8/231:49 pm
MEM
- ONT
1 stop6h 41m
Delta
Deal found 7/19![Delta logo]()
$396
Last-minute flights from Ontario to TennesseeDiscover last-minute flight deals from Ontario to Tennessee. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Tennessee. Data last updated July 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Wed 8/56:00 am
ONT
- BNA
1 stop27h 40m
Frontier
Tue 8/1112:25 pm
BNA
- ONT
1 stop23h 39m
Frontier
Deal found 7/15![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/109:36 am
ONT
- TYS
1 stop10h 36m
Multiple Airlines
Mon 8/175:54 pm
TYS
- ONT
1 stop28h 07m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$224
This Trip.com deal was found by Cheapflights users on 7/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ONT
- BNA
1 stop27h 40m
Frontier
Mon 8/1712:25 pm
BNA
- ONT
1 stop13h 25m
Frontier
Deal found 7/16![Frontier logo]()
$227
This Expedia deal was found by Cheapflights users on 7/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 8/127:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 7/14![Frontier logo]()
$240
This Expedia deal was found by Cheapflights users on 7/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Mon 8/178:19 pm
TYS
- ONT
1 stop16h 45m
Frontier
Deal found 7/16![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Wed 8/126:00 am
ONT
- BNA
1 stop27h 40m
Frontier
Sat 8/1512:25 pm
BNA
- ONT
1 stop13h 25m
Frontier
Deal found 7/15![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/1310:49 am
ONT
- BNA
1 stop22h 51m
Frontier
Mon 8/1712:25 pm
BNA
- ONT
1 stop13h 25m
Frontier
Deal found 7/16![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sat 8/1510:49 am
ONT
- BNA
1 stop22h 51m
Frontier
Wed 8/1912:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/16![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/176:00 am
ONT
- BNA
1 stop28h 10m
Frontier
Mon 8/2412:55 pm
BNA
- ONT
1 stop23h 09m
Frontier
Deal found 7/16![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sat 8/227:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Sat 8/2912:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/16![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 8/257:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Tue 9/112:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/15![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/2710:49 am
ONT
- BNA
1 stop23h 21m
Frontier
Mon 8/3112:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/16![Frontier logo]()
$229
One-way flights from Ontario to TennesseeSearch for one-way flight options from Ontario to Tennessee. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
Search for one-way flight options from Ontario to Tennessee. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Trip.com deal was found by Cheapflights users on 7/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Deal found 7/19![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 7/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Deal found 7/15![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Deal found 7/17![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 9/152:55 pm
ONT
- BNA
1 stop25h 52m
Frontier
Deal found 7/15![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Wed 8/126:00 am
ONT
- BNA
1 stop27h 40m
Frontier
Deal found 7/15![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Deal found 7/17![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/176:00 am
ONT
- BNA
1 stop28h 10m
Frontier
Deal found 7/15![Frontier logo]()
$102
This Trip.com deal was found by Cheapflights users on 7/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
ONT
- BNA
1 stop28h 10m
Frontier
Deal found 7/18![Frontier logo]()
$107
This Trip.com deal was found by Cheapflights users on 7/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Deal found 7/15![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 8/116:00 am
ONT
- BNA
1 stop27h 40m
Frontier
Deal found 7/15![Frontier logo]()
$120
This Trip.com deal was found by Cheapflights users on 7/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Deal found 7/16![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 7/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Deal found 7/15![Frontier logo]()
$124
Find flight deals from Ontario to Tennessee
Keep the following information in mind while searching for Ontario to Tennessee flight deals. Data was last updated July 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $162 (Kiwi.com) |
One-way from | $82 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $450 |
Good round-trip deal | $439 or less |
Good one-way deal | $233 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Tennessee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 20, 2026.
Use the filters below to find and compare flights from Ontario to Tennessee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Tue 8/25
9:43 am-5:40 pm
1 stop5h 57m
Memphis
Sat 8/29
7:10 am-12:16 pm
1 stop7h 06m
$310
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Thu 8/6
7:05 am-4:55 pm
1 stop7h 50m
Memphis
Sat 8/8
7:10 am-12:16 pm
1 stop7h 06m
$311
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Thu 8/27
10:00 pm-9:27 am
1 stop9h 27m
Memphis
Tue 9/1
6:00 am-10:42 am
1 stop6h 42m
$324
OntarioChattanooga
ONT - CHA
ONTCHA
Ontario
Thu 8/20
10:00 pm-9:18 am
1 stop8h 18m
Chattanooga Lovell Field
Sun 8/23
4:05 pm-9:52 pm
1 stop8h 47m
$349
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Wed 8/19
7:25 am-6:55 pm
1 stop8h 30m
Knoxville McGhee Tyson
Wed 8/26
1:55 pm-8:55 pm
2 stops10h 00m
$360
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Mon 8/24
10:00 pm-7:46 am
1 stop7h 46m
Memphis
Tue 9/1
7:10 am-12:16 pm
1 stop7h 06m
$364
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Tue 8/18
7:45 am-6:55 pm
2 stops8h 10m
Knoxville McGhee Tyson
Tue 8/25
3:00 pm-8:55 pm
2 stops8h 55m
$366
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Tue 8/11
7:00 am-4:30 pm
1 stop6h 30m
Knoxville McGhee Tyson
Thu 8/13
4:50 pm-9:45 pm
2 stops7h 55m
$372
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Sat 8/15
5:50 am-5:40 pm
2 stops8h 50m
Knoxville McGhee Tyson
Sat 8/22
1:55 pm-8:05 pm
2 stops9h 10m
$378
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Sat 8/8
12:00 pm-10:39 pm
1 stop7h 39m
Knoxville McGhee Tyson
Wed 8/12
4:38 pm-7:53 pm
1 stop6h 15m
$379
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Tennessee
Have a flexible travel schedule? Discover the best time to fly to Tennessee from Ontario with our price prediction graph.
ONT-BNA
ONT-MEM
ONT-TYS
ONT-TRI
ONT-CHA
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 Ontario to Tennessee
ONT-USTN
ONT-BNA
ONT-MEM
ONT-TYS
ONT-TRI
What is the cheapest month to book a flight from Ontario to Tennessee?
Currently, January is the cheapest month in which you can book a flight from Ontario to Tennessee (average of $342). Flying from Ontario to Tennessee in June is currently the most expensive (average of $496). 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 ONT to TN?
Find hourly flight availability from Ontario to Tennessee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 20, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Tennessee as you normally would.
How much does it cost to fly round-trip from Ontario to Tennessee?
How far ahead should I book a flight from Ontario to Tennessee?
Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Tennessee. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Tennessee
Get insights into the airlines that provide service to Tennessee. 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 Tennessee. Reviews last updated July 20, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Ontario to Tennessee by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Tennessee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Tennessee
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Tennessee by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Tennessee by cabin class
Find flights from Ontario to Tennessee, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Tennessee flights
Browse other Ontario and Tennessee flight options. Last updated on July 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Tennessee flights
Consider these flights traveling from Ontario to Tennessee.
Top 7 airlines flying from Ontario to Tennessee
Discover the top 7 airlines that operate flights from Ontario to Tennessee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$378 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$209 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$348 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$451 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$310 | Average$485 | FlexibilityNo cancel fee | On-time63% |