$121+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNA
Jul 25 — Aug 11
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 June 25, 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 June 25, 2026.
This Frontier deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Wed 8/127:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/21![Frontier logo]()
$243
This Priceline deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Wed 8/128:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 6/21![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 6/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Mon 8/107:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/19![Frontier logo]()
$270
This Priceline deal was found by Cheapflights users on 6/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Wed 7/298:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 6/19![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 9/106:00 am
ONT
- MEM
1 stop6h 22m
Frontier
Sun 9/133:17 pm
MEM
- ONT
1 stop21h 26m
Frontier
Deal found 6/22![Frontier logo]()
$280
This Expedia deal was found by Cheapflights users on 6/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 7/227:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/20![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 7/247:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/2010:49 am
ONT
- TYS
2 stops24h 12m
Multiple Airlines
Sun 8/237:00 am
TYS
- ONT
1 stop19h 55m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$296
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/310:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Fri 8/77:48 pm
MEM
- ONT
1 stop16h 16m
Frontier
Deal found 6/22![Frontier logo]()
$298
This Priceline deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Fri 8/78:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 6/22![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am
ONT
- MEM
1 stop6h 22m
Frontier
Sun 9/273:17 pm
MEM
- ONT
1 stop10h 38m
Frontier
Deal found 6/21![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Fri 7/318:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 6/24![Frontier logo]()
$303
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 June 25, 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 June 25, 2026.
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/2810:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Sat 8/291:45 pm
TRI
- ONT
1 stop7h 45m
Delta
Deal found 6/22![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:18 pm
ONT
- MEM
1 stop5h 38m
United Airlines
Sat 8/154:33 pm
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 6/20![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:15 am
ONT
- MEM
2 stops8h 40m
Southwest
Sat 8/158:15 am
MEM
- ONT
2 stops9h 45m
Southwest
Deal found 6/20![Southwest logo]()
$366
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:59 pm
ONT
- MEM
1 stop6h 48m
American Airlines
Tue 7/215:51 am
MEM
- ONT
1 stop5h 38m
American Airlines
Deal found 6/19![American Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Wed 8/1212:00 pm
ONT
- CHA
1 stop6h 44m
Delta
Sun 8/165:35 am
CHA
- ONT
1 stop8h 07m
Delta
Deal found 6/23![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 11/105:50 am
ONT
- BNA
2 stops8h 05m
Southwest
Sat 11/145:55 am
BNA
- ONT
2 stops8h 30m
Southwest
Deal found 6/22![Southwest logo]()
$402
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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
- TRI
1 stop8h 30m
Delta
Sat 8/291:45 pm
TRI
- ONT
1 stop7h 45m
Delta
Deal found 6/22![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:05 pm
ONT
- MEM
1 stop6h 15m
Southwest
Tue 8/116:30 am
MEM
- ONT
1 stop5h 45m
Southwest
Deal found 6/23![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/15:45 am
ONT
- CHA
1 stop7h 18m
United Airlines
Sat 8/84:42 pm
CHA
- ONT
1 stop8h 13m
United Airlines
Deal found 6/22![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Wed 10/712:00 pm
ONT
- TRI
1 stop7h 24m
Delta
Wed 10/146:05 am
TRI
- ONT
1 stop8h 22m
Delta
Deal found 6/23![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/299:55 am
ONT
- BNA
2 stops7h 25m
Southwest
Sun 8/25:15 am
BNA
- ONT
1 stop6h 05m
Southwest
Deal found 6/24![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/235:45 am
ONT
- CHA
1 stop7h 18m
United Airlines
Thu 7/304:42 pm
CHA
- ONT
1 stop8h 13m
United Airlines
Deal found 6/23![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/2412:33 pm
ONT
- TRI
1 stop7h 17m
American Airlines
Wed 9/93:36 pm
TRI
- ONT
2 stops10h 01m
American Airlines
Deal found 6/24![American Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 6/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:00 pm
ONT
- BNA
1 stop7h 38m
Delta
Thu 8/64:54 pm
BNA
- ONT
1 stop6h 58m
Delta
Deal found 6/20![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 9/196:55 am
ONT
- BNA
2 stops8h 35m
Southwest
Sat 9/268:35 am
BNA
- ONT
2 stops9h 25m
Southwest
Deal found 6/21![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Tue 8/111:18 pm
ONT
- MEM
1 stop5h 24m
United Airlines
Wed 8/124:33 pm
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 6/19![United Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Wed 8/1912:00 pm
ONT
- MEM
1 stop6h 40m
Delta
Sun 8/232:54 pm
MEM
- ONT
1 stop8h 58m
Delta
Deal found 6/24![Delta logo]()
$406
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/1310:10 pm
ONT
- TRI
1 stop9h 32m
American Airlines
Tue 7/215:00 am
TRI
- ONT
2 stops11h 22m
American Airlines
Deal found 6/21![American Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Tue 10/275:00 am
ONT
- CHA
2 stops12h 54m
United Airlines
Sat 10/311:52 pm
CHA
- ONT
1 stop7h 37m
United Airlines
Deal found 6/19![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/134:50 pm
ONT
- BNA
1 stop5h 45m
Southwest
Sun 8/162:10 pm
BNA
- ONT
2 stops7h 25m
Southwest
Deal found 6/23![Southwest logo]()
$416
This Delta deal was found by Cheapflights users on 6/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:00 pm
ONT
- CHA
1 stop8h 18m
Delta
Tue 7/281:10 pm
CHA
- ONT
1 stop8h 20m
Delta
Deal found 6/20![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/257:00 am
ONT
- TYS
1 stop6h 58m
United Airlines
Wed 8/269:00 am
TYS
- ONT
1 stop6h 50m
United Airlines
Deal found 6/23![United Airlines logo]()
$455
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 10/223:40 pm
ONT
- BNA
2 stops7h 00m
Southwest
Sun 10/255:10 am
BNA
- ONT
2 stops8h 20m
Southwest
Deal found 6/23![Southwest logo]()
$421
This United Airlines deal was found by Cheapflights users on 6/19. 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 8/197:00 am
ONT
- TYS
1 stop6h 58m
United Airlines
Sat 8/296:02 pm
TYS
- ONT
1 stop7h 33m
United Airlines
Deal found 6/19![United Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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
- CHA
1 stop8h 48m
Delta
Sat 8/151:22 pm
CHA
- ONT
1 stop8h 08m
Delta
Deal found 6/23![Delta logo]()
$414
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:25 am
ONT
- BNA
Nonstop3h 50m
Southwest
Mon 8/105:35 am
BNA
- ONT
1 stop8h 25m
Southwest
Deal found 6/20![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 9/1810:00 pm
ONT
- CHA
1 stop8h 19m
Delta
Sun 9/206:21 pm
CHA
- ONT
1 stop7h 05m
Delta
Deal found 6/21![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/171:18 pm
ONT
- MEM
1 stop6h 41m
United Airlines
Sat 9/263:27 pm
MEM
- ONT
1 stop8h 32m
United Airlines
Deal found 6/24![United Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/155:15 am
ONT
- MEM
2 stops8h 40m
Southwest
Wed 7/226:45 pm
MEM
- ONT
1 stop5h 50m
Southwest
Deal found 6/22![Southwest logo]()
$441
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/1610:00 pm
ONT
- BNA
1 stop7h 38m
Delta
Mon 8/37:39 pm
BNA
- ONT
1 stop5h 55m
Delta
Deal found 6/22![Delta logo]()
$415
Last-minute flights from Ontario to TennesseeDiscover last-minute flight deals from Ontario to Tennessee. Data last updated June 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Tennessee. Data last updated June 25, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Wed 7/228:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 6/20![Frontier logo]()
$316
This Frontier deal was found by Cheapflights users on 6/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Wed 7/228:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 6/20![Frontier logo]()
$305
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Wed 7/810:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Wed 7/157:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$315
This CheapOair deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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.
Wed 7/81:38 pm
ONT
- BNA
1 stop23h 08m
Frontier
Sun 7/123:41 pm
BNA
- ONT
1 stop18h 22m
Frontier
Deal found 6/21![Frontier logo]()
$323
This Expedia deal was found by Cheapflights users on 6/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 7/227:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/20![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 7/227:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$305
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Wed 7/226:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Wed 7/298:19 pm
TYS
- ONT
1 stop16h 45m
Frontier
Deal found 6/22![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Fri 7/247:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 6/22![Frontier logo]()
$288
This Priceline deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Fri 7/248:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 6/24![Frontier logo]()
$304
This Priceline deal was found by Cheapflights users on 6/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Wed 7/298:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 6/19![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Fri 7/318:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 6/24![Frontier logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/299:32 am
ONT
- BNA
2 stops31h 57m
Multiple Airlines
Wed 8/512:25 pm
BNA
- ONT
1 stop13h 25m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$324
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 June 25, 2026.
Search for one-way flight options from Ontario to Tennessee. Find affordable one-way fares based on user searches. Data last updated June 25, 2026.
This Frontier deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Deal found 6/23![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Mon 8/178:17 am
ONT
- BNA
1 stop8h 56m
Frontier
Deal found 6/23![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 6/23![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:17 am
ONT
- BNA
1 stop8h 56m
Frontier
Deal found 6/24![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Deal found 6/24![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/2910:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Deal found 6/23![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 9/226:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Deal found 6/21![Frontier logo]()
$129
This Booking.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
ONT
- BNA
1 stop27h 32m
Frontier
Deal found 6/24![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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 6/24![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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
- TYS
1 stop29h 01m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$133
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Tue 9/16:00 am
ONT
- BNA
1 stop28h 10m
Frontier
Deal found 6/24![Frontier logo]()
$134
This CheapOair deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Wed 7/291:38 pm
ONT
- BNA
1 stop23h 08m
Frontier
Deal found 6/24![Frontier logo]()
$135
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 June 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $243 (Frontier) |
One-way from | $121 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $475 |
Good round-trip deal | $443 or less |
Good one-way deal | $238 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 June 25, 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
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 8/28
10:00 pm-9:30 am
1 stop8h 30m
Blountville Tri Cities TN/VA
Sat 8/29
1:45 pm-6:30 pm
1 stop7h 45m
$349
OntarioChattanooga
ONT - CHA
ONTCHA
Ontario
Wed 8/12
12:00 pm-9:44 pm
1 stop6h 44m
Chattanooga Lovell Field
Sun 8/16
5:35 am-10:42 am
1 stop8h 07m
$349
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Sat 8/8
1:18 pm-8:56 pm
1 stop5h 38m
Memphis
Sat 8/15
4:33 pm-8:53 pm
1 stop6h 20m
$350
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Sat 8/8
10:15 am-8:55 pm
2 stops8h 40m
Memphis
Sat 8/15
8:15 am-4:00 pm
2 stops9h 45m
$366
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Thu 8/27
10:00 pm-9:30 am
1 stop8h 30m
Blountville Tri Cities TN/VA
Sat 8/29
1:45 pm-6:30 pm
1 stop7h 45m
$384
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Wed 10/7
12:00 pm-10:24 pm
1 stop7h 24m
Blountville Tri Cities TN/VA
Wed 10/14
6:05 am-11:27 am
1 stop8h 22m
$384
OntarioNashville
ONT - BNA
ONTBNA
Ontario
Tue 7/28
10:00 pm-7:38 am
1 stop7h 38m
Nashville Intl
Thu 8/6
4:54 pm-9:52 pm
1 stop6h 58m
$392
OntarioNashville
ONT - BNA
ONTBNA
Ontario
Tue 11/10
5:50 am-3:55 pm
2 stops8h 05m
Nashville Intl
Sat 11/14
5:55 am-12:25 pm
2 stops8h 30m
$402
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Sun 8/9
2:05 pm-10:20 pm
1 stop6h 15m
Memphis
Tue 8/11
6:30 am-10:15 am
1 stop5h 45m
$406
OntarioNashville
ONT - BNA
ONTBNA
Ontario
Wed 7/29
9:55 am-7:20 pm
2 stops7h 25m
Nashville Intl
Sun 8/2
5:15 am-9:20 am
1 stop6h 05m
$406
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-TYS
ONT-MEM
ONT-BNA
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-TYS
ONT-MEM
ONT-BNA
ONT-TRI
What is the cheapest month to book a flight from Ontario to Tennessee?
Currently, November is the cheapest month in which you can book a flight from Ontario to Tennessee (average of $85). Flying from Ontario to Tennessee in March is currently the most expensive (average of $236). 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 June 25, 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 June 25, 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.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
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 June 25, 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 June 25, 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$155 | Average$422 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$456 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$333 | Average$487 | FlexibilityNo cancel fee | On-time63% |