$119+ Cheap flights from Nashville to Ontario (BNA - ONT)
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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Jul 10 — Jul 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 August or February, booked 72 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Nashville to Ontario
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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 June 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:30 am
BNA
- ONT
1 stop6h 46m
Delta
Wed 8/1912:00 pm
ONT
- BNA
1 stop6h 40m
Delta
Deal found 6/10![Delta logo]()
$237
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:25 pm
BNA
- ONT
1 stop13h 25m
Frontier
Thu 8/2011:43 am
ONT
- BNA
1 stop6h 46m
Frontier
Deal found 6/10![Frontier logo]()
$240
This Booking.com deal was found by Cheapflights users on 6/9. 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 8/63:41 pm
BNA
- ONT
1 stop26h 13m
Frontier
Mon 8/1010:49 am
ONT
- BNA
1 stop22h 51m
Frontier
Deal found 6/9![Frontier logo]()
$241
This Delta deal was found by Cheapflights users on 6/8. 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 10/137:05 am
BNA
- ONT
1 stop7h 25m
Delta
Mon 10/261:00 pm
ONT
- BNA
1 stop7h 15m
Delta
Deal found 6/8![Delta logo]()
$249
This Expedia deal was found by Cheapflights users on 6/9. 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.
Thu 8/2011:59 am
BNA
- ONT
1 stop24h 06m
Frontier
Sun 8/233:34 pm
ONT
- BNA
1 stop26h 55m
Frontier
Deal found 6/9![Frontier logo]()
$250
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:09 pm
BNA
- ONT
1 stop23h 56m
Frontier
Tue 7/710:49 am
ONT
- BNA
1 stop22h 43m
Frontier
Deal found 6/6![Frontier logo]()
$251
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:35 pm
BNA
- ONT
1 stop27h 16m
Frontier
Thu 7/163:40 pm
ONT
- BNA
1 stop21h 06m
Frontier
Deal found 6/7![Frontier logo]()
$252
This United Airlines deal was found by Cheapflights users on 6/8. 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 9/2211:18 am
BNA
- ONT
2 stops10h 43m
United Airlines
Sat 9/266:00 am
ONT
- BNA
1 stop6h 02m
United Airlines
Deal found 6/8![United Airlines logo]()
$254
This Booking.com deal was found by Cheapflights users on 6/9. 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 7/103:41 pm
BNA
- ONT
1 stop18h 22m
Frontier
Wed 7/151:38 pm
ONT
- BNA
1 stop23h 08m
Frontier
Deal found 6/9![Frontier logo]()
$256
This Booking.com deal was found by Cheapflights users on 6/8. 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.
Thu 7/912:17 pm
BNA
- ONT
1 stop13h 33m
Frontier
Thu 7/1611:52 am
ONT
- BNA
1 stop24h 54m
Frontier
Deal found 6/8![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Sat 7/412:09 pm
BNA
- ONT
1 stop13h 40m
Frontier
Wed 7/81:38 pm
ONT
- BNA
1 stop23h 08m
Frontier
Deal found 6/7![Frontier logo]()
$259
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 June 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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 10/177:16 pm
BNA
- ONT
1 stop6h 32m
Delta
Thu 10/221:00 pm
ONT
- BNA
1 stop7h 15m
Delta
Deal found 6/8![Delta logo]()
$261
This Southwest deal was found by Cheapflights users on 6/7. 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 8/46:35 am
BNA
- ONT
1 stop8h 05m
Southwest
Fri 8/75:40 am
ONT
- BNA
2 stops7h 40m
Southwest
Deal found 6/7![Southwest logo]()
$321
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 8/114:15 pm
BNA
- ONT
1 stop6h 38m
United Airlines
Wed 8/129:01 am
ONT
- BNA
1 stop9h 57m
United Airlines
Deal found 6/9![United Airlines logo]()
$337
This KAYAK deal was found by Cheapflights users on 6/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:01 am
BNA
- ONT
1 stop6h 28m
American Airlines
Tue 7/212:15 pm
ONT
- BNA
1 stop5h 55m
American Airlines
Deal found 6/9![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/8. 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 7/287:34 pm
BNA
- ONT
1 stop6h 14m
Delta
Tue 8/41:06 pm
ONT
- BNA
1 stop7h 44m
Delta
Deal found 6/8![Delta logo]()
$284
This Southwest deal was found by Cheapflights users on 6/9. 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.
Thu 8/201:25 pm
BNA
- ONT
Nonstop4h 05m
Southwest
Sun 8/235:35 am
ONT
- BNA
1 stop5h 15m
Southwest
Deal found 6/9![Southwest logo]()
$363
This Delta deal was found by Cheapflights users on 6/7. 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.
Sun 8/166:15 am
BNA
- ONT
1 stop6h 27m
Delta
Sun 8/2310:00 pm
ONT
- BNA
1 stop8h 30m
Delta
Deal found 6/7![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 6/5. 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 7/57:36 pm
BNA
- ONT
1 stop6h 13m
Delta
Tue 7/141:00 pm
ONT
- BNA
1 stop8h 05m
Delta
Deal found 6/5![Delta logo]()
$331
This Southwest deal was found by Cheapflights users on 6/7. 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.
Mon 10/265:40 am
BNA
- ONT
1 stop5h 45m
Southwest
Sun 11/11:45 pm
ONT
- BNA
Nonstop3h 45m
Southwest
Deal found 6/7![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 6/7. 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.
Sat 11/217:16 pm
BNA
- ONT
1 stop6h 32m
Delta
Wed 11/2510:59 pm
ONT
- BNA
1 stop8h 52m
Delta
Deal found 6/7![Delta logo]()
$373
This KAYAK deal was found by Cheapflights users on 6/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:25 pm
BNA
- ONT
1 stop7h 49m
Delta
Sun 11/110:59 pm
ONT
- BNA
1 stop8h 52m
Delta
Deal found 6/6![Delta logo]()
$385
Last-minute flights from Nashville to OntarioDiscover last-minute flight deals from Nashville to Ontario. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Ontario. Data last updated June 10, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1312:09 pm
BNA
- ONT
1 stop13h 40m
Frontier
Sat 6/2010:50 am
ONT
- BNA
1 stop22h 34m
Frontier
Deal found 6/6![Frontier logo]()
$277
This CheapOair deal was found by Cheapflights users on 6/8. 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.
Fri 6/266:35 pm
BNA
- ONT
1 stop22h 33m
Frontier
Sat 7/43:34 pm
ONT
- BNA
1 stop21h 12m
Frontier
Deal found 6/8![Frontier logo]()
$260
This Gotogate deal was found by Cheapflights users on 6/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:35 pm
BNA
- ONT
1 stop22h 33m
Frontier
Sun 7/56:00 am
ONT
- BNA
1 stop27h 32m
Frontier
Deal found 6/8![Frontier logo]()
$249
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:09 pm
BNA
- ONT
1 stop23h 56m
Frontier
Tue 7/710:49 am
ONT
- BNA
1 stop22h 43m
Frontier
Deal found 6/6![Frontier logo]()
$251
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:35 pm
BNA
- ONT
1 stop27h 16m
Frontier
Thu 7/163:40 pm
ONT
- BNA
1 stop21h 06m
Frontier
Deal found 6/7![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Sat 7/412:09 pm
BNA
- ONT
1 stop13h 40m
Frontier
Wed 7/81:38 pm
ONT
- BNA
1 stop23h 08m
Frontier
Deal found 6/7![Frontier logo]()
$259
This Booking.com deal was found by Cheapflights users on 6/8. 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.
Thu 7/912:17 pm
BNA
- ONT
1 stop13h 33m
Frontier
Thu 7/1611:52 am
ONT
- BNA
1 stop24h 54m
Frontier
Deal found 6/8![Frontier logo]()
$258
This Booking.com deal was found by Cheapflights users on 6/9. 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 7/103:41 pm
BNA
- ONT
1 stop18h 22m
Frontier
Wed 7/151:38 pm
ONT
- BNA
1 stop23h 08m
Frontier
Deal found 6/9![Frontier logo]()
$256
This Booking.com deal was found by Cheapflights users on 6/9. 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 7/103:41 pm
BNA
- ONT
1 stop25h 33m
Frontier
Sun 7/126:00 am
ONT
- BNA
1 stop27h 32m
Frontier
Deal found 6/9![Frontier logo]()
$262
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:17 pm
BNA
- ONT
1 stop13h 33m
Frontier
Wed 8/51:38 pm
ONT
- BNA
1 stop23h 08m
Frontier
Deal found 6/10![Frontier logo]()
$276
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 June 10, 2026.
Search for one-way flight options from Nashville to Ontario. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:00 pm
BNA
- ONT
1 stop8h 34m
Delta
Deal found 6/10![Delta logo]()
$119
This Frontier deal was found by Cheapflights users on 6/9. 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 8/209:56 am
BNA
- ONT
1 stop8h 52m
Frontier
Deal found 6/9![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 6/8. 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 10/137:42 pm
BNA
- ONT
1 stop6h 13m
Frontier
Deal found 6/8![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 6/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:42 pm
BNA
- ONT
1 stop6h 13m
Frontier
Deal found 6/6![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 6/7. 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.
Tue 10/67:42 pm
BNA
- ONT
1 stop6h 13m
Frontier
Deal found 6/7![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/73:41 pm
BNA
- ONT
1 stop18h 22m
Frontier
Deal found 6/9![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 6/9. 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 8/1212:25 pm
BNA
- ONT
1 stop13h 25m
Frontier
Deal found 6/9![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 6/8. 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 7/36:35 pm
BNA
- ONT
1 stop22h 33m
Frontier
Deal found 6/8![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 6/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:09 pm
BNA
- ONT
1 stop23h 56m
Frontier
Deal found 6/6![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 6/7. 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.
Thu 7/2312:17 pm
BNA
- ONT
1 stop13h 33m
Frontier
Deal found 6/7![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:56 am
BNA
- ONT
1 stop8h 52m
Frontier
Deal found 6/10![Frontier logo]()
$130
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:17 pm
BNA
- ONT
1 stop23h 47m
Frontier
Deal found 6/7![Frontier logo]()
$131
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Delta) |
One-way from | $119 (Delta) |
Popular in | March |
Cheapest in | August |
Average price | $420 |
Good round-trip deal | $405 or less |
Good one-way deal | $242 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 2,558,603 searches. Data last updated June 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 - ONT
BNAONT
Nashville Intl
Sat 10/17
7:16 pm-11:48 pm
1 stop6h 32m
Ontario
Thu 10/22
1:00 pm-10:15 pm
1 stop7h 15m
$261
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Tue 7/28
7:34 pm-11:48 pm
1 stop6h 14m
Ontario
Tue 8/4
1:06 pm-10:50 pm
1 stop7h 44m
$284
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Tue 8/4
6:35 am-12:40 pm
1 stop8h 05m
Ontario
Fri 8/7
5:40 am-3:20 pm
2 stops7h 40m
$321
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Sun 8/16
6:15 am-10:42 am
1 stop6h 27m
Ontario
Sun 8/23
10:00 pm-8:30 am
1 stop8h 30m
$331
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Sun 7/5
7:36 pm-11:49 pm
1 stop6h 13m
Ontario
Tue 7/14
1:00 pm-11:05 pm
1 stop8h 05m
$331
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Tue 8/11
4:15 pm-8:53 pm
1 stop6h 38m
Ontario
Wed 8/12
9:01 am-8:58 pm
1 stop9h 57m
$337
Quickest round-trip
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Thu 8/20
1:25 pm-3:30 pm
Nonstop4h 05m
Ontario
Sun 8/23
5:35 am-12:50 pm
1 stop5h 15m
$363
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Sat 11/21
7:16 pm-11:48 pm
1 stop6h 32m
Ontario
Wed 11/25
10:59 pm-9:51 am
1 stop8h 52m
$373
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Mon 10/26
5:40 am-9:25 am
1 stop5h 45m
Ontario
Sun 11/1
1:45 pm-7:30 pm
Nonstop3h 45m
$381
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Thu 10/22
4:25 pm-10:14 pm
1 stop7h 49m
Ontario
Sun 11/1
10:59 pm-9:51 am
1 stop8h 52m
$385
Showing 1-10 of 22 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 June.
| 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 Accuracy3 stars | Trust Score*3 stars |
- 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
Prices
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How far ahead should I book a flight from Nashville to Ontario?
Booking 71 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, August is the cheapest month in which you can book a flight from Nashville to Ontario (average of $265). Flying from Nashville to Ontario in March is currently the most expensive (average of $539). 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 June 10, 2026.
When flying from Nashville to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 86% 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 June 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.
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
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
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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 June 10, 2026.
Nashville and Ontario flights
Browse other Nashville and Ontario flight options. Last updated on June 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 June 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 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$231 | Average$394 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$365 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$376 | Average$531 | FlexibilityNo cancel fee | On-time63% |