$81+ Cheap flights from Nashville to Ontario (BNA - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Nashville to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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.Cheapflights Tip: The best prices from Nashville Intl to Ontario are usually found in February or July, booked 87 days in advance, depart on a Saturday or Friday and return on a Saturday
Cheap flight deals from Nashville to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Nashville to OntarioExplore the most affordable flight options available from Nashville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Nashville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:14 pm -
1 stop10h 36m
Tue 10/276:25 am -
1 stop5h 51m
Deal found 9/4![Frontier logo]()
$178
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:11 pm -
1 stop10h 40m
Tue 11/176:25 am -
1 stop5h 51m
Deal found 9/4![Frontier logo]()
$179
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:11 pm -
1 stop10h 40m
Sun 11/156:25 am -
1 stop5h 51m
Deal found 9/4![Frontier logo]()
$189
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:41 pm -
1 stop20h 40m
Tue 11/106:25 am -
1 stop5h 51m
Deal found 9/9![Frontier logo]()
$193
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:11 pm -
1 stop10h 40m
Fri 11/1311:52 am -
1 stop24h 24m
Deal found 9/4![Frontier logo]()
$194
This Frontier deal was found by Cheapflights users on 9/8. 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.
Tue 10/203:14 pm -
1 stop10h 36m
Wed 10/286:25 am -
1 stop5h 51m
Deal found 9/8![Frontier logo]()
$195
This Frontier deal was found by Cheapflights users on 9/4. 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.
Fri 9/113:14 pm -
1 stop10h 33m
Sun 9/136:15 am -
1 stop6h 03m
Deal found 9/4![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 9/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:20 pm -
1 stop10h 27m
Wed 9/232:30 pm -
1 stop20h 34m
Deal found 9/7![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:49 pm -
1 stop23h 33m
Sun 9/136:15 am -
1 stop6h 03m
Deal found 9/9![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 9/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:55 pm -
1 stop12h 55m
Thu 9/108:00 am -
1 stop27h 04m
Deal found 9/4![Frontier logo]()
$214
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:55 pm -
1 stop12h 55m
Sun 10/118:35 pm -
1 stop22h 20m
Deal found 9/4![Frontier logo]()
$216
Best flights from Nashville to OntarioDiscover carefully curated flight deals from Nashville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Nashville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/169:52 am -
2 stops10h 24m
Sat 9/191:18 pm -
1 stop5h 57m
Deal found 9/7![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/6. 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.
Mon 11/237:20 am -
1 stop7h 00m
Tue 12/11:11 pm -
1 stop6h 57m
Deal found 9/6![Delta logo]()
$346
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 10/712:15 pm -
Nonstop4h 15m
Wed 10/145:00 pm -
1 stop5h 35m
Deal found 9/8![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 9/8. 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.
Mon 11/25:10 am -
1 stop8h 20m
Mon 11/91:45 pm -
Nonstop3h 45m
Deal found 9/8![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 9/7. 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 9/156:15 am -
1 stop6h 50m
Thu 9/177:05 am -
1 stop6h 53m
Deal found 9/7![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:38 pm -
2 stops10h 13m
Wed 11/251:29 pm -
1 stop6h 04m
Deal found 9/6![United Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:05 am -
1 stop8h 00m
Fri 11/277:30 am -
2 stops8h 10m
Deal found 9/5![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 9/8. 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.
Mon 11/2311:25 am -
2 stops9h 05m
Mon 11/309:35 pm -
1 stop5h 25m
Deal found 9/8![Southwest logo]()
$436
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 10/212:39 pm -
2 stops12h 12m
Sun 10/46:00 am -
1 stop6h 02m
Deal found 9/4![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:15 pm -
Nonstop4h 15m
Mon 10/194:15 pm -
1 stop5h 55m
Deal found 9/9![Southwest logo]()
$484
Last-minute flights from Nashville to OntarioDiscover last-minute flight deals from Nashville to Ontario. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Ontario. Data last updated September 10, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:14 pm -
1 stop21h 16m
Sat 9/1911:45 am -
1 stop24h 33m
Deal found 9/9![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:14 pm -
1 stop10h 33m
Tue 9/156:15 am -
1 stop6h 03m
Deal found 9/9![Frontier logo]()
$224
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:49 pm -
1 stop23h 33m
Tue 9/156:15 am -
1 stop6h 03m
Deal found 9/9![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:32 pm -
1 stop15h 58m
Thu 9/178:24 pm -
1 stop14h 56m
Deal found 9/7![Frontier logo]()
$229
This Expedia deal was found by Cheapflights users on 9/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:32 pm -
1 stop29h 15m
Mon 9/216:15 am -
1 stop11h 40m
Deal found 9/5![Frontier logo]()
$204
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:14 pm -
1 stop10h 33m
Wed 9/2310:04 am -
1 stop25h 00m
Deal found 9/9![Frontier logo]()
$216
This Trip.com deal was found by Cheapflights users on 9/9. 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.
Mon 9/219:55 pm -
1 stop13h 14m
Thu 9/248:00 am -
1 stop27h 04m
Deal found 9/9![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 9/8. 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.
Tue 9/293:14 pm -
1 stop10h 33m
Mon 10/56:15 am -
1 stop6h 03m
Deal found 9/8![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 9/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:55 pm -
1 stop20h 35m
Sun 10/118:35 pm -
1 stop22h 20m
Deal found 9/7![Frontier logo]()
$214
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:14 pm -
1 stop10h 36m
Tue 10/276:25 am -
1 stop5h 51m
Deal found 9/9![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 9/8. 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.
Tue 10/203:14 pm -
1 stop10h 36m
Wed 10/286:25 am -
1 stop5h 51m
Deal found 9/8![Frontier logo]()
$195
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:14 pm -
1 stop21h 15m
Sun 10/253:38 pm -
1 stop27h 17m
Deal found 9/9![Frontier logo]()
$202
One-way flights from Nashville to OntarioSearch for one-way flight options from Nashville to Ontario. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Nashville to Ontario. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Trip.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/243:14 pm -
1 stop10h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$81
This Trip.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/283:11 pm -
1 stop10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:11 pm -
1 stop10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:11 pm -
1 stop10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$86
This Booking.com deal was found by Cheapflights users on 9/8. 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.
Wed 9/303:14 pm -
1 stop21h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$88
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:51 pm -
1 stop24h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$91
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:51 pm -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$93
This Booking.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/1612:44 pm -
1 stop23h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 9/8. 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.
Mon 11/23:11 pm -
1 stop21h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$96
This Booking.com deal was found by Cheapflights users on 9/8. 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.
Mon 10/263:14 pm -
1 stop21h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 9/8. 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.
Thu 12/35:51 pm -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$98
Find flight deals from Nashville to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Nashville (BNA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $178 (Trip.com) |
One-way from | $81 (Trip.com) |
Popular in | March |
Cheapest in | February |
Average price | $421 |
Good round-trip deal | $475 or less |
Good one-way deal | $238 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Nashville to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Nashville to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Tue 3/2
7:05 am-12:30 pm
1 stop7h 25m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$142
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Thu 12/10
7:00 am-2:47 pm
1 stop9h 47m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$142
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Thu 9/24
7:28 pm-11:47 pm
1 stop6h 19m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$142
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Sat 12/5
2:12 pm-7:56 pm
1 stop7h 44m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$142
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Tue 2/9
7:05 am-12:30 pm
1 stop7h 25m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$142
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Tue 10/6
5:00 pm-11:55 pm
1 stop8h 55m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$142
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Sat 11/14
7:00 am-3:33 pm
2 stops10h 33m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$147
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Tue 10/6
12:39 pm-8:31 pm
2 stops9h 52m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$147
Quickest round-trip
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Sat 11/14
12:35 pm-3:00 pm
Nonstop4h 25m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Mon 10/26
5:15 pm-9:54 pm
1 stop6h 39m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$169
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Nashville to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Nashville to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Nashville-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Nashville-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Nashville-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Nashville-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Nashville-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Nashville to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Nashville with our price prediction graph.
BNA-ONT
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 Nashville to Ontario
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How far ahead should I book a flight from Nashville to Ontario?
Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Nashville to Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Nashville to Ontario?
Currently, February is the cheapest month in which you can book a flight from Nashville to Ontario (average of $306). Flying from Nashville to Ontario in March is currently the most expensive (average of $540). 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 BNA to ONT?
Find hourly flight availability from Nashville to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
When flying from Nashville to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 17% versus a flight in the afternoon.
What’s the top layover airport for flights from Nashville to Ontario?
Share of 1-stop round-trip flights from Nashville to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 60% of 1-stop itineraries from Nashville to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Nashville to Ontario?
Average round-trip fare for 1-stop flights from Nashville to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $332.
What’s the fastest layover option from Nashville to Ontario?
Shortest average travel time for 1-stop one-way flights from Nashville to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 5h 30m.
Which airport typically offers the quickest layover for flights from Nashville to Ontario?
Average layover duration for 1-stop one-way flights from Nashville to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 43m.
The best insider tips for Nashville to Ontario flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Nashville to Ontario trip
Our travel experts
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated September 10, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Nashville to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Nashville to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Nashville to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Nashville to Ontario by cabin class
Find flights from Nashville to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Nashville and Ontario flights
Browse other Nashville and Ontario flight options. Last updated on September 10, 2026.
Other flights from Nashville
Browse through other flights departing from Nashville. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Nashville to Ontario
Discover the top 5 airlines that operate flights from Nashville to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$252 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$369 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$262 | Average$413 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$377 | Average$498 | FlexibilityNo cancel fee | On-time63% |