$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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNA
Aug 24 — Aug 311
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Tennessee with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Tennessee
Cheapest
Best
Last-minute
One-way
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 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 July 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/187:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Tue 8/2512:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/21![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.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 stop16h 22m
Frontier
Tue 9/153:14 pm
BNA
- ONT
1 stop10h 33m
Frontier
Deal found 7/24![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:15 am
ONT
- BNA
1 stop10h 32m
Frontier
Mon 11/97:42 pm
BNA
- ONT
1 stop19h 58m
Frontier
Deal found 7/24![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Mon 8/2410:49 am
ONT
- BNA
1 stop23h 21m
Frontier
Wed 8/2612:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/23![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 9/96:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Mon 9/1411:32 am
BNA
- ONT
1 stop28h 25m
Frontier
Deal found 7/23![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/1011:45 am
ONT
- BNA
1 stop24h 33m
Frontier
Mon 9/148:32 pm
BNA
- ONT
1 stop15h 58m
Frontier
Deal found 7/25![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Mon 11/211:32 am
BNA
- ONT
1 stop14h 23m
Frontier
Deal found 7/22![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:35 pm
ONT
- BNA
1 stop18h 02m
Frontier
Mon 11/211:32 am
BNA
- ONT
1 stop28h 08m
Frontier
Deal found 7/22![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 10/16:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Mon 10/57:42 pm
BNA
- ONT
1 stop20h 15m
Frontier
Deal found 7/23![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 11/116:15 am
ONT
- BNA
1 stop10h 32m
Frontier
Mon 11/167:42 pm
BNA
- ONT
1 stop30h 13m
Frontier
Deal found 7/21![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 10/282:35 pm
ONT
- TYS
1 stop19h 36m
Multiple Airlines
Thu 11/56:30 am
TYS
- ONT
1 stop20h 25m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/1110:49 am
ONT
- TYS
1 stop29h 35m
Multiple Airlines
Mon 8/175:54 pm
TYS
- ONT
1 stop28h 07m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$251
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 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 July 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:00 pm
ONT
- BNA
1 stop9h 52m
Alaska Airlines
Thu 8/277:00 am
BNA
- ONT
1 stop9h 09m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$349
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.
Wed 8/1910:29 am
ONT
- CHA
1 stop8h 51m
American Airlines
Wed 9/26:14 am
CHA
- ONT
1 stop6h 20m
American Airlines
Deal found 7/20![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 7/22. 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.
Sun 10/410:00 pm
ONT
- TRI
1 stop8h 33m
Delta
Sat 10/171:22 pm
TRI
- ONT
1 stop9h 10m
Delta
Deal found 7/22![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 7/23. 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.
Tue 9/225:45 am
ONT
- TYS
2 stops7h 45m
Southwest
Tue 9/293:00 pm
TYS
- ONT
2 stops9h 00m
Southwest
Deal found 7/23![Southwest logo]()
$366
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:18 pm
ONT
- TYS
1 stop6h 26m
United Airlines
Sat 9/2610:42 am
TYS
- ONT
2 stops13h 16m
United Airlines
Deal found 7/20![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 8/1712:00 pm
ONT
- TRI
1 stop7h 23m
Delta
Sat 8/221:45 pm
TRI
- ONT
1 stop7h 45m
Delta
Deal found 7/23![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 7/21. 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.
Tue 9/226:40 am
ONT
- TYS
2 stops9h 15m
Southwest
Wed 9/233:00 pm
TYS
- ONT
2 stops8h 55m
Southwest
Deal found 7/21![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 7/22. 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.
Sat 10/312:17 pm
ONT
- TRI
1 stop7h 03m
Delta
Sat 10/176:00 am
TRI
- ONT
1 stop8h 08m
Delta
Deal found 7/22![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:00 am
ONT
- MEM
1 stop7h 50m
United Airlines
Wed 8/124:33 pm
MEM
- ONT
1 stop6h 20m
United Airlines
Deal found 7/21![United Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 7/21. 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.
Mon 8/102:00 pm
ONT
- MEM
1 stop5h 30m
Southwest
Thu 8/132:55 pm
MEM
- ONT
2 stops7h 25m
Southwest
Deal found 7/21![Southwest logo]()
$370
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 8/12:15 pm
ONT
- TRI
1 stop7h 13m
American Airlines
Wed 9/165:31 pm
TRI
- ONT
1 stop8h 06m
American Airlines
Deal found 7/21![American Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 7/22. 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 9/310:00 pm
ONT
- CHA
1 stop8h 18m
Delta
Sun 9/66:00 am
CHA
- ONT
1 stop7h 42m
Delta
Deal found 7/22![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:12 am
ONT
- BNA
1 stop8h 14m
Alaska Airlines
Fri 9/47:00 am
BNA
- ONT
1 stop9h 09m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$437
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:15 am
ONT
- TYS
1 stop6h 23m
United Airlines
Fri 8/284:50 pm
TYS
- ONT
1 stop7h 03m
United Airlines
Deal found 7/20![United Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 7/24. 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 9/167:45 am
ONT
- TYS
2 stops8h 15m
Southwest
Mon 9/214:50 pm
TYS
- ONT
2 stops8h 00m
Southwest
Deal found 7/24![Southwest logo]()
$383
This Delta deal was found by Cheapflights users on 7/22. 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 8/2010:00 pm
ONT
- CHA
1 stop8h 18m
Delta
Sun 8/234:05 pm
CHA
- ONT
1 stop8h 47m
Delta
Deal found 7/22![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
ONT
- MEM
1 stop7h 50m
United Airlines
Mon 8/243:27 pm
MEM
- ONT
1 stop8h 32m
United Airlines
Deal found 7/21![United Airlines logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:02 am
ONT
- BNA
2 stops14h 37m
Alaska Airlines
Fri 8/287:00 am
BNA
- ONT
1 stop9h 09m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 7/24. 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.
Tue 9/83:35 pm
ONT
- BNA
1 stop5h 25m
Southwest
Tue 9/154:50 pm
BNA
- ONT
Nonstop4h 10m
Southwest
Deal found 7/24![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 8/1312:00 pm
ONT
- TYS
1 stop7h 00m
Delta
Tue 8/255:40 am
TYS
- ONT
1 stop8h 02m
Delta
Deal found 7/23![Delta logo]()
$365
This Southwest deal was found by Cheapflights users on 7/22. 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 10/208:25 am
ONT
- MEM
1 stop7h 05m
Southwest
Fri 10/239:50 am
MEM
- ONT
1 stop8h 00m
Southwest
Deal found 7/22![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/205:00 am
ONT
- TYS
1 stop7h 49m
United Airlines
Sat 10/244:53 pm
TYS
- ONT
1 stop7h 05m
United Airlines
Deal found 7/23![United Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:15 am
ONT
- CHA
2 stops14h 06m
American Airlines
Sun 8/237:15 am
CHA
- ONT
2 stops11h 04m
American Airlines
Deal found 7/23![American Airlines logo]()
$562
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 8/2012:00 pm
ONT
- TRI
1 stop7h 23m
Delta
Mon 8/243:46 pm
TRI
- ONT
1 stop9h 06m
Delta
Deal found 7/23![Delta logo]()
$394
This Southwest deal was found by Cheapflights users on 7/21. 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.
Fri 9/412:25 pm
ONT
- MEM
2 stops7h 30m
Southwest
Fri 9/114:55 pm
MEM
- ONT
1 stop5h 25m
Southwest
Deal found 7/21![Southwest logo]()
$399
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:00 am
ONT
- TYS
2 stops11h 29m
United Airlines
Mon 8/243:40 pm
TYS
- ONT
1 stop9h 19m
United Airlines
Deal found 7/21![United Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 7/23. 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.
Tue 8/1812:00 pm
ONT
- TRI
1 stop7h 23m
Delta
Mon 8/243:46 pm
TRI
- ONT
1 stop9h 06m
Delta
Deal found 7/23![Delta logo]()
$394
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:10 am
ONT
- BNA
2 stops7h 25m
Southwest
Tue 9/228:00 am
BNA
- ONT
2 stops8h 05m
Southwest
Deal found 7/20![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Fri 8/286:00 am
ONT
- CHA
1 stop6h 43m
United Airlines
Tue 9/16:15 am
CHA
- ONT
2 stops14h 56m
United Airlines
Deal found 7/22![United Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 8/2710:00 pm
ONT
- BNA
1 stop8h 30m
Delta
Sat 8/295:00 pm
BNA
- ONT
1 stop7h 23m
Delta
Deal found 7/23![Delta logo]()
$407
Last-minute flights from Ontario to TennesseeDiscover last-minute flight deals from Ontario to Tennessee. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Tennessee. Data last updated July 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/1110:49 am
ONT
- TYS
1 stop29h 35m
Multiple Airlines
Mon 8/175:54 pm
TYS
- ONT
1 stop28h 07m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/1110:49 am
ONT
- TYS
1 stop29h 35m
Multiple Airlines
Sun 8/167:00 am
TYS
- ONT
1 stop30h 04m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 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
Sun 8/167:00 am
TYS
- ONT
1 stop30h 04m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$264
This Frontier 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 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
Wed 8/1912:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/20![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 7/22. 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.
Sat 8/1510:49 am
ONT
- BNA
1 stop22h 51m
Frontier
Sat 8/2212:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/22![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 7/21. 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.
Mon 8/1710:49 am
ONT
- BNA
1 stop23h 21m
Frontier
Wed 8/2612:55 pm
BNA
- ONT
1 stop23h 09m
Frontier
Deal found 7/21![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/187:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Tue 8/2512:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/21![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/183:40 pm
ONT
- BNA
2 stops18h 30m
Frontier
Thu 8/2012:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/23![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Wed 8/2612:55 pm
BNA
- ONT
2 stops20h 37m
Frontier
Deal found 7/22![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 7/22. 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.
Thu 8/2010:49 am
ONT
- BNA
1 stop23h 21m
Frontier
Wed 8/2612:55 pm
BNA
- ONT
1 stop23h 09m
Frontier
Deal found 7/22![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Mon 8/2410:49 am
ONT
- BNA
1 stop23h 21m
Frontier
Wed 8/2612:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/23![Frontier logo]()
$165
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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.
Sat 8/293:40 pm
ONT
- BNA
1 stop20h 06m
Frontier
Sat 9/512:55 pm
BNA
- ONT
1 stop12h 55m
Frontier
Deal found 7/25![Frontier logo]()
$249
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 25, 2026.
Search for one-way flight options from Ontario to Tennessee. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Trip.com deal was found by Cheapflights users on 7/23. 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 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 7/23![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.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 7/23![Frontier logo]()
$83
This Trip.com deal was found by Cheapflights users on 7/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:49 am
ONT
- BNA
1 stop23h 21m
Frontier
Deal found 7/22![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 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 7/22![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/216:15 am
ONT
- BNA
1 stop9h 20m
Frontier
Deal found 7/25![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 7/24. 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.
Sat 9/57:56 pm
ONT
- BNA
1 stop14h 14m
Frontier
Deal found 7/24![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sat 9/196:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Deal found 7/23![Frontier logo]()
$90
This Trip.com deal was found by Cheapflights users on 7/24. 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.
Fri 9/116:15 am
ONT
- BNA
1 stop11h 22m
Frontier
Deal found 7/24![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am
ONT
- BNA
1 stop10h 47m
Frontier
Deal found 7/22![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:56 pm
ONT
- TYS
1 stop14h 53m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:30 pm
ONT
- MEM
1 stop27h 52m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$135
This Frontier deal was found by Cheapflights users on 7/24. 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 8/3110:49 am
ONT
- MEM
1 stop6h 17m
Frontier
Deal found 7/24![Frontier logo]()
$136
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $161 (Kiwi.com) |
One-way from | $82 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $450 |
Good round-trip deal | $380 or less |
Good one-way deal | $223 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 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
OntarioNashville
ONT - BNA
ONTBNA
Ontario
Wed 8/26
12:00 pm-11:52 pm
1 stop9h 52m
Nashville Intl
Thu 8/27
7:00 am-2:09 pm
1 stop9h 09m
$349
OntarioChattanooga
ONT - CHA
ONTCHA
Ontario
Wed 8/19
10:29 am-10:20 pm
1 stop8h 51m
Chattanooga Lovell Field
Wed 9/2
6:14 am-9:34 am
1 stop6h 20m
$349
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Sun 10/4
10:00 pm-9:33 am
1 stop8h 33m
Blountville Tri Cities TN/VA
Sat 10/17
1:22 pm-7:32 pm
1 stop9h 10m
$359
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Mon 8/17
12:00 pm-10:23 pm
1 stop7h 23m
Blountville Tri Cities TN/VA
Sat 8/22
1:45 pm-6:30 pm
1 stop7h 45m
$359
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Sat 10/3
12:17 pm-10:20 pm
1 stop7h 03m
Blountville Tri Cities TN/VA
Sat 10/17
6:00 am-11:08 am
1 stop8h 08m
$359
OntarioChattanooga
ONT - CHA
ONTCHA
Ontario
Thu 9/3
10:00 pm-9:18 am
1 stop8h 18m
Chattanooga Lovell Field
Sun 9/6
6:00 am-10:42 am
1 stop7h 42m
$359
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
$359
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Thu 8/13
12:00 pm-10:00 pm
1 stop7h 00m
Knoxville McGhee Tyson
Tue 8/25
5:40 am-10:42 am
1 stop8h 02m
$365
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Tue 9/22
5:45 am-4:30 pm
2 stops7h 45m
Knoxville McGhee Tyson
Tue 9/29
3:00 pm-9:00 pm
2 stops9h 00m
$366
OntarioKnoxville
ONT - TYS
ONTTYS
Ontario
Tue 9/22
6:40 am-6:55 pm
2 stops9h 15m
Knoxville McGhee Tyson
Wed 9/23
3:00 pm-8:55 pm
2 stops8h 55m
$366
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-MEM
ONT-TYS
ONT-BNA
ONT-CHA
ONT-TRI
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-MEM
ONT-TYS
ONT-BNA
ONT-CHA
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 $366). Flying from Ontario to Tennessee in June is currently the most expensive (average of $497). 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 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?
Airfare is below average for this route at the moment.
Ontario to Tennessee flights typically cost between $334 and $540 in August.The cheapest round-trip price found within the last 5 days was $161 on Frontier (Aug 18-Aug 25).
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 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.
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 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 July 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$209 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$348 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$450 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$310 | Average$488 | FlexibilityNo cancel fee | On-time63% |