$123+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNA
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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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 9, 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 9, 2026.
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/1912:33 pm
ONT
- TYS
1 stop7h 45m
American Airlines
Wed 8/266:03 am
TYS
- ONT
1 stop6h 31m
American Airlines
Deal found 7/9![American Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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
1 stop7h 54m
United Airlines
Wed 8/2610:40 am
TYS
- ONT
2 stops12h 21m
United Airlines
Deal found 7/9![United Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/812:33 pm
ONT
- MEM
1 stop5h 44m
American Airlines
Tue 8/117:52 am
MEM
- ONT
1 stop6h 11m
American Airlines
Deal found 7/8![American Airlines logo]()
$261
This Expedia deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/56:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 8/127:48 pm
MEM
- ONT
1 stop16h 16m
Frontier
Deal found 7/6![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 10/284:27 pm
ONT
- TYS
1 stop25h 12m
Multiple Airlines
Mon 11/29:42 pm
TYS
- ONT
1 stop21h 28m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$268
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/2510:55 am
ONT
- MEM
1 stop8h 40m
Southwest
Thu 8/275:45 am
MEM
- ONT
1 stop5h 30m
Southwest
Deal found 7/8![Southwest logo]()
$272
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/1010:00 pm
ONT
- TYS
1 stop8h 36m
Delta
Thu 8/136:12 pm
TYS
- ONT
1 stop6h 40m
Delta
Deal found 7/8![Delta logo]()
$277
This Super.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/106:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 8/127:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 7/7![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/296:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 8/57:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 7/4![Frontier logo]()
$286
This Frontier deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/56:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Mon 8/178:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 7/5![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/36:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Wed 8/128:19 pm
TYS
- ONT
1 stop16h 45m
Frontier
Deal found 7/4![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/106:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Mon 8/177:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 7/5![Frontier logo]()
$298
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 9, 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 9, 2026.
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 10/1712:18 pm
ONT
- TYS
1 stop7h 09m
Delta
Tue 10/205:45 am
TYS
- ONT
1 stop8h 23m
Delta
Deal found 7/8![Delta logo]()
$318
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/158:45 am
ONT
- BNA
Nonstop3h 55m
Southwest
Mon 8/317:35 am
BNA
- ONT
1 stop5h 50m
Southwest
Deal found 7/7![Southwest logo]()
$338
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/912:37 pm
ONT
- TYS
1 stop7h 45m
American Airlines
Wed 9/166:00 am
TYS
- ONT
1 stop6h 29m
American Airlines
Deal found 7/4![American Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/286:00 am
ONT
- TYS
1 stop9h 17m
United Airlines
Mon 8/316:02 pm
TYS
- ONT
1 stop7h 33m
United Airlines
Deal found 7/8![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/710:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Thu 8/203:46 pm
TRI
- ONT
1 stop9h 06m
Delta
Deal found 7/5![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/77:30 am
ONT
- BNA
2 stops8h 15m
Southwest
Sun 10/1110:20 am
BNA
- ONT
2 stops8h 40m
Southwest
Deal found 7/7![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/255:00 am
ONT
- MEM
1 stop7h 50m
United Airlines
Wed 8/264:33 pm
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 7/8![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Sun 8/910:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Thu 8/201:45 pm
TRI
- ONT
1 stop7h 45m
Delta
Deal found 7/5![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:00 am
ONT
- BNA
Nonstop3h 50m
Southwest
Wed 9/164:50 pm
BNA
- ONT
Nonstop4h 05m
Southwest
Deal found 7/7![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/251:18 pm
ONT
- TYS
1 stop6h 11m
United Airlines
Wed 8/269:00 am
TYS
- ONT
1 stop6h 50m
United Airlines
Deal found 7/8![United Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/1712:37 pm
ONT
- CHA
1 stop6h 57m
American Airlines
Sun 9/206:13 am
CHA
- ONT
1 stop6h 16m
American Airlines
Deal found 7/4![American Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:55 pm
ONT
- BNA
2 stops9h 35m
Southwest
Sun 9/275:30 am
BNA
- ONT
1 stop6h 30m
Southwest
Deal found 7/7![Southwest logo]()
$384
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/2510:25 am
ONT
- CHA
2 stops10h 40m
American Airlines
Tue 7/286:04 am
CHA
- ONT
1 stop6h 25m
American Airlines
Deal found 7/6![American Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 10/37:05 am
ONT
- MEM
1 stop6h 39m
Delta
Wed 10/77:00 am
MEM
- ONT
1 stop7h 22m
Delta
Deal found 7/4![Delta logo]()
$401
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/259:01 am
ONT
- BNA
2 stops10h 36m
United Airlines
Wed 8/2611:18 am
BNA
- ONT
2 stops10h 43m
United Airlines
Deal found 7/8![United Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 10/69:15 am
ONT
- BNA
1 stop5h 45m
Southwest
Sun 10/115:05 am
BNA
- ONT
1 stop5h 55m
Southwest
Deal found 7/4![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/81:06 pm
ONT
- BNA
1 stop7h 44m
Delta
Sat 8/156:35 am
BNA
- ONT
1 stop6h 07m
Delta
Deal found 7/6![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 10/36:00 am
ONT
- CHA
1 stop7h 07m
United Airlines
Sat 10/104:42 pm
CHA
- ONT
1 stop8h 17m
United Airlines
Deal found 7/4![United Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/56:40 am
ONT
- MEM
2 stops9h 10m
Southwest
Wed 8/126:30 am
MEM
- ONT
2 stops8h 10m
Southwest
Deal found 7/6![Southwest logo]()
$411
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/215:10 pm
ONT
- TRI
2 stops13h 25m
Delta
Sun 7/264:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Deal found 7/7![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 am
ONT
- MEM
1 stop7h 13m
United Airlines
Sat 10/104:16 pm
MEM
- ONT
1 stop6h 42m
United Airlines
Deal found 7/7![United Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:55 pm
ONT
- BNA
2 stops9h 35m
Southwest
Tue 9/88:00 am
BNA
- ONT
2 stops8h 05m
Southwest
Deal found 7/4![Southwest logo]()
$411
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 7/5![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/127:00 am
ONT
- CHA
1 stop6h 58m
United Airlines
Sat 9/264:42 pm
CHA
- ONT
1 stop8h 17m
United Airlines
Deal found 7/8![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 10/266:10 am
ONT
- TYS
2 stops9h 40m
Southwest
Sat 10/315:25 pm
TYS
- ONT
1 stop6h 35m
Southwest
Deal found 7/4![Southwest logo]()
$411
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/4![Delta logo]()
$425
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/225:00 am
ONT
- CHA
2 stops9h 08m
United Airlines
Sat 8/294:30 pm
CHA
- ONT
1 stop7h 23m
United Airlines
Deal found 7/8![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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
- BNA
1 stop5h 30m
Southwest
Sat 8/152:40 pm
BNA
- ONT
1 stop8h 10m
Southwest
Deal found 7/8![Southwest logo]()
$415
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 10/19:52 am
ONT
- MEM
1 stop6h 04m
Delta
Tue 10/66:00 am
MEM
- ONT
1 stop7h 08m
Delta
Deal found 7/4![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 11/76:46 am
ONT
- CHA
1 stop7h 19m
United Airlines
Wed 11/1110:44 am
CHA
- ONT
2 stops12h 22m
United Airlines
Deal found 7/5![United Airlines logo]()
$454
Last-minute flights from Ontario to TennesseeDiscover last-minute flight deals from Ontario to Tennessee. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Tennessee. Data last updated July 9, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/296:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 8/57:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 7/4![Frontier logo]()
$286
This Frontier deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/36:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Wed 8/128:19 pm
TYS
- ONT
1 stop16h 45m
Frontier
Deal found 7/4![Frontier logo]()
$291
This Expedia deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/56:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 8/127:48 pm
MEM
- ONT
1 stop16h 16m
Frontier
Deal found 7/6![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/56:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Mon 8/178:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 7/5![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Fri 8/76:00 am
ONT
- TYS
1 stop10h 24m
Frontier
Fri 8/148:19 pm
TYS
- ONT
1 stop6h 31m
Frontier
Deal found 7/5![Frontier logo]()
$298
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/812:33 pm
ONT
- MEM
1 stop5h 44m
American Airlines
Tue 8/117:52 am
MEM
- ONT
1 stop6h 11m
American Airlines
Deal found 7/8![American Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/1010:00 pm
ONT
- TYS
1 stop8h 36m
Delta
Thu 8/136:12 pm
TYS
- ONT
1 stop6h 40m
Delta
Deal found 7/8![Delta logo]()
$277
This Super.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/106:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Wed 8/127:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 7/7![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/106:00 am
ONT
- MEM
1 stop11h 03m
Frontier
Mon 8/177:48 pm
MEM
- ONT
1 stop6h 02m
Frontier
Deal found 7/5![Frontier logo]()
$298
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/1912:33 pm
ONT
- TYS
1 stop7h 45m
American Airlines
Wed 8/266:03 am
TYS
- ONT
1 stop6h 31m
American Airlines
Deal found 7/9![American Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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
1 stop7h 54m
United Airlines
Wed 8/2610:40 am
TYS
- ONT
2 stops12h 21m
United Airlines
Deal found 7/9![United Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/2510:55 am
ONT
- MEM
1 stop8h 40m
Southwest
Thu 8/275:45 am
MEM
- ONT
1 stop5h 30m
Southwest
Deal found 7/8![Southwest logo]()
$272
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 9, 2026.
Search for one-way flight options from Ontario to Tennessee. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/187:25 am
ONT
- BNA
Nonstop3h 50m
Southwest
Deal found 7/7![Southwest logo]()
$123
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/41:06 pm
ONT
- BNA
1 stop7h 44m
Delta
Deal found 7/8![Delta logo]()
$126
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/1012:17 pm
ONT
- BNA
1 stop6h 23m
Delta
Deal found 7/8![Delta logo]()
$127
This Super.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Tue 9/16:00 am
ONT
- BNA
1 stop28h 10m
Frontier
Deal found 7/8![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 11/46:15 am
ONT
- BNA
1 stop10h 32m
Frontier
Deal found 7/8![Frontier logo]()
$129
This Booking.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Tue 8/116:00 am
ONT
- BNA
1 stop27h 40m
Frontier
Deal found 7/8![Frontier logo]()
$130
This Mytrip deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:49 am
ONT
- MEM
1 stop6h 14m
Frontier
Deal found 7/5![Frontier logo]()
$131
This Trip.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 9/87:56 pm
ONT
- BNA
1 stop20h 51m
Frontier
Deal found 7/9![Frontier logo]()
$134
This CheapOair deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/239:49 pm
ONT
- BNA
1 stop14h 08m
Frontier
Deal found 7/8![Frontier logo]()
$135
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/257:45 am
ONT
- MEM
2 stops8h 05m
Southwest
Deal found 7/8![Southwest logo]()
$136
This Super.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Fri 8/78:17 am
ONT
- BNA
1 stop8h 56m
Frontier
Deal found 7/8![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Fri 8/148:17 am
ONT
- BNA
1 stop8h 56m
Frontier
Deal found 7/8![Frontier logo]()
$138
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $233 (American Airlines) |
One-way from | $123 (Southwest) |
Popular in | June |
Cheapest in | September |
Average price | $426 |
Good round-trip deal | $443 or less |
Good one-way deal | $259 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 9, 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
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Sat 10/17
12:18 pm-10:27 pm
1 stop7h 09m
Knoxville McGhee Tyson
Tue 10/20
5:45 am-11:08 am
1 stop8h 23m
$318
OntarioNashville
ONT - BNA
ONTBNA
Ontario
Sat 8/15
8:45 am-2:40 pm
Nonstop3h 55m
Nashville Intl
Mon 8/31
7:35 am-11:25 am
1 stop5h 50m
$338
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 8/7
10:00 pm-9:30 am
1 stop8h 30m
Blountville Tri Cities TN/VA
Thu 8/20
3:46 pm-9:52 pm
1 stop9h 06m
$349
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Sun 8/9
10:00 pm-9:30 am
1 stop8h 30m
Blountville Tri Cities TN/VA
Thu 8/20
1:45 pm-6:30 pm
1 stop7h 45m
$349
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Wed 9/9
12:37 pm-11:22 pm
1 stop7h 45m
Knoxville McGhee Tyson
Wed 9/16
6:00 am-9:29 am
1 stop6h 29m
$355
OntarioNashville
ONT - BNA
ONTBNA
Ontario
Wed 10/7
7:30 am-5:45 pm
2 stops8h 15m
Nashville Intl
Sun 10/11
10:20 am-5:00 pm
2 stops8h 40m
$360
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Fri 8/28
6:00 am-6:17 pm
1 stop9h 17m
Knoxville McGhee Tyson
Mon 8/31
6:02 pm-10:35 pm
1 stop7h 33m
$363
Quickest round-trip
OntarioNashville
ONT - BNA
ONTBNA
Ontario
Fri 9/11
10:00 am-3:50 pm
Nonstop3h 50m
Nashville Intl
Wed 9/16
4:50 pm-6:55 pm
Nonstop4h 05m
$370
OntarioMemphis
ONT - MEM
ONTMEM
Ontario
Tue 8/25
5:00 am-2:50 pm
1 stop7h 50m
Memphis
Wed 8/26
4:33 pm-8:53 pm
1 stop6h 20m
$372
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Tue 8/25
1:18 pm-10:29 pm
1 stop6h 11m
Knoxville McGhee Tyson
Wed 8/26
9:00 am-12:50 pm
1 stop6h 50m
$377
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, 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 July 9, 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 9, 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
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
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 9, 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 9, 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$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$310 | 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% |