$82+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Sep 29 — Oct 61
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 November, 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 August 30, 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 August 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:14 pm -
1 stop10h 36m
Tue 10/276:25 am -
1 stop29h 51m
Deal found 8/27![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:14 pm -
1 stop10h 33m
Sun 10/46:15 am -
1 stop6h 03m
Deal found 8/25![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:14 pm -
1 stop21h 16m
Wed 9/232:30 pm -
1 stop20h 34m
Deal found 8/27![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:20 pm -
1 stop10h 27m
Sun 9/206:15 am -
1 stop6h 03m
Deal found 8/26![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:14 pm -
1 stop10h 33m
Sun 10/116:15 am -
1 stop27h 34m
Deal found 8/27![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/183:20 pm -
1 stop10h 27m
Mon 9/216:15 am -
1 stop11h 40m
Deal found 8/27![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 8/27![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 8/282:41 pm -
1 stop8h 46m
Sun 8/3011:15 am -
1 stop24h 31m
Deal found 8/27![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 8/27![Frontier logo]()
$214
This Booking.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 8/2912:55 pm -
1 stop12h 55m
Sun 8/303:40 pm -
1 stop20h 06m
Deal found 8/29![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 August 30, 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 August 30, 2026.
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/225:10 pm -
1 stop8h 37m
Fri 9/251:04 pm -
1 stop8h 07m
Deal found 8/26![Delta logo]()
$263
This CheapOair deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:55 pm -
1 stop12h 55m
Fri 9/410:49 am -
1 stop23h 21m
Deal found 8/25![Frontier logo]()
$304
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/1611:18 am -
2 stops10h 43m
Sat 9/191:18 pm -
1 stop5h 57m
Deal found 8/28![United Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/145:25 pm -
1 stop6h 20m
Wed 10/218:35 am -
Nonstop3h 50m
Deal found 8/29![Southwest logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:34 pm -
2 stops23h 43m
Mon 10/266:02 am -
2 stops15h 32m
Deal found 8/29![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/275:15 am -
1 stop7h 54m
Mon 9/2810:00 pm -
1 stop8h 25m
Deal found 8/26![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/1511:18 am -
2 stops11h 35m
Tue 9/298:03 am -
1 stop7h 59m
Deal found 8/28![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/129:52 am -
2 stops14h 07m
Tue 9/159:01 am -
1 stop7h 32m
Deal found 8/29![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:05 pm -
Nonstop4h 20m
Sun 10/411:55 pm -
1 stop8h 05m
Deal found 8/25![Southwest logo]()
$411
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:25 pm -
1 stop6h 24m
Sat 11/286:00 am -
1 stop6h 17m
Deal found 8/25![Delta logo]()
$413
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:25 pm -
Nonstop4h 05m
Mon 9/2812:25 pm -
1 stop5h 45m
Deal found 8/28![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/84:05 pm -
Nonstop4h 20m
Wed 10/143:25 pm -
1 stop5h 45m
Deal found 8/26![Southwest logo]()
$451
Last-minute flights from Nashville to OntarioDiscover last-minute flight deals from Nashville to Ontario. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Ontario. Data last updated August 30, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 8/282:41 pm -
1 stop8h 46m
Sun 8/3011:15 am -
1 stop24h 31m
Deal found 8/27![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 8/2912:55 pm -
1 stop12h 55m
Mon 8/3110:49 am -
1 stop23h 21m
Deal found 8/26![Frontier logo]()
$214
This Booking.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 8/2912:55 pm -
1 stop12h 55m
Sun 8/303:40 pm -
1 stop20h 06m
Deal found 8/29![Frontier logo]()
$216
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/72:41 pm -
1 stop27h 08m
Tue 9/87:56 pm -
1 stop16h 22m
Deal found 8/26![Frontier logo]()
$253
This CheapOair deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:55 pm -
1 stop23h 35m
Fri 9/116:15 am -
1 stop11h 22m
Deal found 8/25![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:14 pm -
1 stop21h 16m
Wed 9/232:30 pm -
1 stop20h 34m
Deal found 8/27![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:20 pm -
1 stop10h 27m
Sun 9/206:15 am -
1 stop6h 03m
Deal found 8/26![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 8/27![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/183:20 pm -
1 stop10h 27m
Mon 9/216:15 am -
1 stop11h 40m
Deal found 8/27![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:14 pm -
1 stop10h 33m
Thu 10/18:24 pm -
1 stop14h 40m
Deal found 8/27![Frontier logo]()
$248
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 August 30, 2026.
Search for one-way flight options from Nashville to Ontario. Find affordable one-way fares based on user searches. Data last updated August 30, 2026.
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/303:14 pm -
1 stop10h 33m
Deal found 8/26![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/63:14 pm -
1 stop10h 33m
Deal found 8/26![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:14 pm -
1 stop10h 33m
Deal found 8/27![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:11 pm -
1 stop21h 24m
Deal found 8/27![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:14 pm -
1 stop10h 33m
Deal found 8/27![Frontier logo]()
$87
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 11/173:11 pm -
1 stop10h 40m
Deal found 8/26![Frontier logo]()
$88
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/173:20 pm -
1 stop10h 27m
Deal found 8/26![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:14 pm -
1 stop10h 36m
Deal found 8/26![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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.
Sat 9/123:14 pm -
1 stop21h 16m
Deal found 8/27![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:49 pm -
1 stop29h 10m
Deal found 8/25![Frontier logo]()
$107
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 August 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $164 (Kiwi.com) |
One-way from | $82 (Trip.com) |
Popular in | March |
Cheapest in | February |
Average price | $400 |
Good round-trip deal | $401 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 August 30, 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 9/22
5:10 pm-11:47 pm
1 stop8h 37m
Ontario
Fri 9/25
1:04 pm-11:11 pm
1 stop8h 07m
$263
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Thu 9/3
12:55 pm-11:50 pm
1 stop12h 55m
Ontario
Fri 9/4
10:49 am-12:10 pm
1 stop23h 21m
$304
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Wed 9/16
11:18 am-8:01 pm
2 stops10h 43m
Ontario
Sat 9/19
1:18 pm-9:15 pm
1 stop5h 57m
$310
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Sun 9/27
5:15 am-11:09 am
1 stop7h 54m
Ontario
Mon 9/28
10:00 pm-8:25 am
1 stop8h 25m
$311
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Tue 9/15
11:18 am-8:53 pm
2 stops11h 35m
Ontario
Tue 9/29
8:03 am-6:02 pm
1 stop7h 59m
$368
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Sat 9/12
9:52 am-9:59 pm
2 stops14h 07m
Ontario
Tue 9/15
9:01 am-6:33 pm
1 stop7h 32m
$368
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Wed 10/14
5:25 pm-9:45 pm
1 stop6h 20m
Ontario
Wed 10/21
8:35 am-2:25 pm
Nonstop3h 50m
$397
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Thu 10/1
4:05 pm-6:25 pm
Nonstop4h 20m
Ontario
Sun 10/4
11:55 pm-10:00 am
1 stop8h 05m
$411
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Fri 11/20
7:25 pm-11:49 pm
1 stop6h 24m
Ontario
Sat 11/28
6:00 am-2:17 pm
1 stop6h 17m
$413
Quickest round-trip
NashvilleOntario
BNA Nashville Intl - ONT Ontario
BNAONT
Nashville Intl
Fri 9/25
1:25 pm-3:30 pm
Nonstop4h 05m
Ontario
Mon 9/28
12:25 pm-8:10 pm
1 stop5h 45m
$418
Showing 1-10 of 23 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 August.
| 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
Prices
More
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 August 30, 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 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
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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 August 30, 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
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
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 August 30, 2026.
Nashville and Ontario flights
Browse other Nashville and Ontario flight options. Last updated on August 30, 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 August 30, 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 August 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$252 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$407 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$377 | Average$497 | FlexibilityNo cancel fee | On-time63% |