$120+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Jul 4 — Jul 111
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 Thursday 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 June 4, 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 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:25 pm
BNA
- ONT
1 stop23h 39m
Frontier
Tue 8/1810:50 am
ONT
- BNA
1 stop22h 14m
Frontier
Deal found 6/4![Frontier logo]()
$211
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:11 am
BNA
- ONT
1 stop7h 31m
Delta
Fri 8/149:43 am
ONT
- BNA
1 stop6h 30m
Delta
Deal found 6/1![Delta logo]()
$245
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:25 am
BNA
- ONT
1 stop7h 39m
Delta
Mon 9/1410:00 pm
ONT
- BNA
1 stop8h 28m
Delta
Deal found 5/30![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:18 am
BNA
- ONT
2 stops10h 43m
United Airlines
Sat 9/197:00 am
ONT
- BNA
1 stop8h 32m
United Airlines
Deal found 5/31![United Airlines logo]()
$250
This Mytrip deal was found by Cheapflights users on 6/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/203:41 pm
BNA
- ONT
1 stop25h 33m
Frontier
Wed 7/291:38 pm
ONT
- BNA
1 stop23h 08m
Frontier
Deal found 6/4![Frontier logo]()
$251
This CheapOair deal was found by Cheapflights users on 6/4. 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.
Sat 7/412:09 pm
BNA
- ONT
1 stop13h 40m
Frontier
Wed 7/810:49 am
ONT
- BNA
1 stop22h 43m
Frontier
Deal found 6/4![Frontier logo]()
$259
This Expedia deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/36:35 pm
BNA
- ONT
1 stop22h 33m
Frontier
Fri 7/108:17 am
ONT
- BNA
1 stop8h 56m
Frontier
Deal found 6/3![Frontier logo]()
$260
This Booking.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 6/216:35 pm
BNA
- ONT
1 stop27h 16m
Frontier
Wed 7/11:33 pm
ONT
- BNA
1 stop26h 07m
Frontier
Deal found 6/1![Frontier logo]()
$261
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/196:35 pm
BNA
- ONT
1 stop22h 33m
Frontier
Sun 6/216:00 am
ONT
- BNA
1 stop27h 24m
Frontier
Deal found 6/3![Frontier logo]()
$262
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/2312:17 pm
BNA
- ONT
1 stop13h 33m
Frontier
Sat 8/16:00 am
ONT
- BNA
1 stop27h 32m
Frontier
Deal found 6/2![Frontier logo]()
$265
This Booking.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3012:09 pm
BNA
- ONT
1 stop23h 56m
Frontier
Fri 7/36:00 am
ONT
- BNA
1 stop27h 24m
Frontier
Deal found 6/1![Frontier logo]()
$268
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 4, 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 4, 2026.
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2012:38 pm
BNA
- ONT
1 stop7h 52m
Delta
Tue 6/2311:50 am
ONT
- BNA
1 stop9h 25m
Delta
Deal found 6/4![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:25 pm
BNA
- ONT
1 stop6h 10m
Southwest
Fri 7/108:35 am
ONT
- BNA
2 stops7h 20m
Southwest
Deal found 6/4![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/1412:37 pm
BNA
- ONT
2 stops12h 22m
United Airlines
Sun 8/167:13 pm
ONT
- BNA
1 stop9h 17m
United Airlines
Deal found 6/1![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/93:05 pm
BNA
- ONT
1 stop8h 30m
Southwest
Mon 7/1311:55 pm
ONT
- BNA
2 stops9h 20m
Southwest
Deal found 6/2![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
Mon 6/84:59 pm
BNA
- ONT
1 stop7h 38m
United Airlines
Tue 6/96:05 am
ONT
- BNA
1 stop7h 52m
United Airlines
Deal found 6/1![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:50 pm
BNA
- ONT
2 stops7h 20m
Southwest
Thu 7/236:30 pm
ONT
- BNA
1 stop8h 40m
Southwest
Deal found 6/2![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:55 pm
BNA
- ONT
2 stops9h 05m
Southwest
Sun 7/2611:55 pm
ONT
- BNA
1 stop6h 45m
Southwest
Deal found 6/4![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/21:55 pm
BNA
- ONT
Nonstop4h 05m
Southwest
Sun 7/54:50 pm
ONT
- BNA
1 stop6h 00m
Southwest
Deal found 6/3![Southwest logo]()
$431
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 6/238:10 am
BNA
- ONT
2 stops8h 45m
Southwest
Thu 6/256:30 pm
ONT
- BNA
1 stop8h 40m
Southwest
Deal found 5/31![Southwest logo]()
$436
Last-minute flights from Nashville to OntarioDiscover last-minute flight deals from Nashville to Ontario. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Ontario. Data last updated June 4, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 6/68:20 pm
BNA
- ONT
1 stop15h 45m
Frontier
Thu 6/1811:58 am
ONT
- BNA
1 stop27h 42m
Frontier
Deal found 6/1![Frontier logo]()
$278
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 6/146:35 pm
BNA
- ONT
1 stop27h 16m
Frontier
Thu 6/1811:58 am
ONT
- BNA
1 stop27h 42m
Frontier
Deal found 6/2![Frontier logo]()
$277
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/196:35 pm
BNA
- ONT
1 stop22h 33m
Frontier
Sun 6/216:00 am
ONT
- BNA
1 stop27h 24m
Frontier
Deal found 6/3![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 6/196:35 pm
BNA
- ONT
1 stop22h 33m
Frontier
Tue 6/236:00 am
ONT
- BNA
1 stop27h 24m
Frontier
Deal found 6/2![Frontier logo]()
$273
This Booking.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 6/216:35 pm
BNA
- ONT
1 stop27h 16m
Frontier
Wed 7/11:33 pm
ONT
- BNA
1 stop26h 07m
Frontier
Deal found 6/1![Frontier logo]()
$261
This Booking.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3012:09 pm
BNA
- ONT
1 stop23h 56m
Frontier
Fri 7/36:00 am
ONT
- BNA
1 stop27h 24m
Frontier
Deal found 6/1![Frontier logo]()
$268
This Expedia deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/36:35 pm
BNA
- ONT
1 stop22h 33m
Frontier
Fri 7/108:17 am
ONT
- BNA
1 stop8h 56m
Frontier
Deal found 6/3![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/3![Frontier logo]()
$269
This CheapOair deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/712:17 pm
BNA
- ONT
1 stop23h 47m
Frontier
Tue 7/2810:49 am
ONT
- BNA
1 stop22h 43m
Frontier
Deal found 6/2![Frontier logo]()
$276
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/2312:17 pm
BNA
- ONT
1 stop13h 33m
Frontier
Sat 8/16:00 am
ONT
- BNA
1 stop27h 32m
Frontier
Deal found 6/2![Frontier logo]()
$265
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 4, 2026.
Search for one-way flight options from Nashville to Ontario. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This Trip.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/1512:17 pm
BNA
- ONT
1 stop13h 33m
Frontier
Deal found 6/3![Frontier logo]()
$120
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:15 am
BNA
- ONT
1 stop6h 27m
Delta
Deal found 6/2![Delta logo]()
$123
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/3![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/307:42 pm
BNA
- ONT
1 stop6h 13m
Frontier
Deal found 6/1![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 9/227:42 pm
BNA
- ONT
1 stop6h 13m
Frontier
Deal found 6/3![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.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
Deal found 6/4![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/97:42 pm
BNA
- ONT
1 stop6h 13m
Frontier
Deal found 6/1![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 6/4. 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 Super.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
Deal found 6/4![Frontier logo]()
$134
This Trip.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/209:56 am
BNA
- ONT
1 stop8h 52m
Frontier
Deal found 6/3![Frontier logo]()
$135
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/273:41 pm
BNA
- ONT
1 stop18h 22m
Frontier
Deal found 6/3![Frontier logo]()
$136
This Trip.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/1712:17 pm
BNA
- ONT
1 stop13h 33m
Frontier
Deal found 6/3![Frontier logo]()
$137
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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $211 (Kiwi.com) |
One-way from | $120 (Trip.com) |
Popular in | March |
Cheapest in | August |
Average price | $420 |
Good round-trip deal | $481 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 4, 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 6/20
12:38 pm-6:30 pm
1 stop7h 52m
Ontario
Tue 6/23
11:50 am-11:15 pm
1 stop9h 25m
$321
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Wed 7/8
6:25 pm-10:35 pm
1 stop6h 10m
Ontario
Fri 7/10
8:35 am-5:55 pm
2 stops7h 20m
$396
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Thu 7/9
3:05 pm-9:35 pm
1 stop8h 30m
Ontario
Mon 7/13
11:55 pm-11:15 am
2 stops9h 20m
$410
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Sun 7/19
6:50 pm-12:10 am
2 stops7h 20m
Ontario
Thu 7/23
6:30 pm-5:10 am
1 stop8h 40m
$410
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Thu 7/23
12:55 pm-8:00 pm
2 stops9h 05m
Ontario
Sun 7/26
11:55 pm-8:40 am
1 stop6h 45m
$410
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Fri 8/14
12:37 pm-10:59 pm
2 stops12h 22m
Ontario
Sun 8/16
7:13 pm-6:30 am
1 stop9h 17m
$417
Quickest round-trip
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Thu 7/2
1:55 pm-4:00 pm
Nonstop4h 05m
Ontario
Sun 7/5
4:50 pm-12:50 am
1 stop6h 00m
$431
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Tue 6/23
8:10 am-2:55 pm
2 stops8h 45m
Ontario
Thu 6/25
6:30 pm-5:10 am
1 stop8h 40m
$436
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Mon 6/8
4:59 pm-10:37 pm
1 stop7h 38m
Ontario
Tue 6/9
6:05 am-3:57 pm
1 stop7h 52m
$444
Cheapest one-way
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Sun 11/15
6:10 am-12:20 pm
1 stop8h 10m
$161
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 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
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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 4, 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 67% 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 $341.
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 4, 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.
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
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
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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 4, 2026.
Nashville and Ontario flights
Browse other Nashville and Ontario flight options. Last updated on June 4, 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 4, 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 4, 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% |