$95+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Apr 11 — Apr 181
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 57 days in advance, depart on a Monday or Tuesday and return on a Tuesday
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 March 12, 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 March 12, 2026.
This Frontier deal was found by Cheapflights users on 3/9. 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 4/2312:19 pm
BNA
- ONT
1 stop13h 36m
Frontier
Sun 4/2612:59 am
ONT
- BNA
1 stop12h 56m
Frontier
Deal found 3/9![Frontier logo]()
$190
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:24 pm
BNA
- ONT
1 stop10h 31m
Frontier
Sat 4/1812:59 am
ONT
- BNA
1 stop14h 29m
Frontier
Deal found 3/9![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 3/9. 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 4/1612:19 pm
BNA
- ONT
1 stop13h 36m
Frontier
Sun 4/1912:59 am
ONT
- BNA
1 stop12h 56m
Frontier
Deal found 3/9![Frontier logo]()
$210
This Gotogate deal was found by Cheapflights users on 3/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:01 pm
BNA
- ONT
1 stop10h 58m
Frontier
Tue 3/316:15 am
ONT
- BNA
1 stop6h 01m
Frontier
Deal found 3/9![Frontier logo]()
$211
This Booking.com deal was found by Cheapflights users on 3/7. 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 4/176:10 pm
BNA
- ONT
1 stop7h 45m
Frontier
Sat 4/1812:59 am
ONT
- BNA
1 stop14h 29m
Frontier
Deal found 3/7![Frontier logo]()
$218
This Frontier deal was found by Cheapflights users on 3/11. 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 5/16:10 pm
BNA
- ONT
1 stop7h 45m
Frontier
Sun 5/312:59 am
ONT
- BNA
1 stop12h 56m
Frontier
Deal found 3/11![Frontier logo]()
$231
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:24 pm
BNA
- ONT
1 stop10h 31m
Frontier
Thu 4/305:43 pm
ONT
- BNA
1 stop21h 32m
Frontier
Deal found 3/9![Frontier logo]()
$233
This Booking.com deal was found by Cheapflights users on 3/10. 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.
Fri 4/246:10 pm
BNA
- ONT
1 stop7h 45m
Frontier
Sat 5/212:59 am
ONT
- BNA
1 stop14h 29m
Frontier
Deal found 3/10![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 3/9. 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.
Fri 4/103:14 pm
BNA
- ONT
1 stop10h 42m
Frontier
Fri 4/176:15 am
ONT
- BNA
1 stop10h 26m
Frontier
Deal found 3/9![Frontier logo]()
$240
This Booking.com deal was found by Cheapflights users on 3/9. 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 4/246:10 pm
BNA
- ONT
1 stop7h 45m
Frontier
Sat 4/2512:59 am
ONT
- BNA
1 stop14h 29m
Frontier
Deal found 3/9![Frontier logo]()
$242
This Delta deal was found by Cheapflights users on 3/7. 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.
Fri 4/174:58 pm
BNA
- ONT
1 stop22h 41m
Delta
Tue 4/2111:53 am
ONT
- BNA
1 stop10h 06m
Delta
Deal found 3/7![Delta logo]()
$247
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 March 12, 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 March 12, 2026.
This Delta deal was found by Cheapflights users on 3/7. 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.
Fri 5/157:27 pm
BNA
- ONT
1 stop6h 07m
Delta
Mon 5/181:29 pm
ONT
- BNA
1 stop7h 16m
Delta
Deal found 3/7![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:45 pm
BNA
- ONT
1 stop9h 03m
Alaska Airlines
Mon 5/410:39 am
ONT
- BNA
1 stop11h 20m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 3/264:48 pm
BNA
- ONT
1 stop7h 30m
United Airlines
Mon 3/306:49 pm
ONT
- BNA
2 stops12h 13m
United Airlines
Deal found 3/9![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 3/7. 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 4/76:10 pm
BNA
- ONT
Nonstop4h 25m
Southwest
Tue 4/217:55 am
ONT
- BNA
Nonstop3h 45m
Southwest
Deal found 3/7![Southwest logo]()
$403
This Delta deal was found by Cheapflights users on 3/10. 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.
Fri 4/107:22 pm
BNA
- ONT
1 stop6h 29m
Delta
Sat 4/257:00 am
ONT
- BNA
2 stops12h 26m
Delta
Deal found 3/10![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:45 pm
BNA
- ONT
1 stop9h 03m
Alaska Airlines
Fri 5/17:59 pm
ONT
- BNA
1 stop26h 00m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/82:49 pm
BNA
- ONT
1 stop9h 42m
United Airlines
Sat 4/111:27 pm
ONT
- BNA
1 stop8h 23m
United Airlines
Deal found 3/11![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:05 am
BNA
- ONT
1 stop9h 27m
Alaska Airlines
Sun 4/267:00 am
ONT
- BNA
1 stop8h 05m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 3/7. 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.
Fri 4/107:22 pm
BNA
- ONT
1 stop6h 29m
Delta
Sun 4/1210:25 pm
ONT
- BNA
1 stop7h 19m
Delta
Deal found 3/7![Delta logo]()
$378
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2112:30 pm
BNA
- ONT
2 stops12h 27m
United Airlines
Mon 3/231:40 pm
ONT
- BNA
1 stop7h 01m
United Airlines
Deal found 3/7![United Airlines logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
BNA
- ONT
1 stop18h 59m
Alaska Airlines
Mon 4/206:00 am
ONT
- BNA
1 stop21h 40m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$414
Last-minute flights from Nashville to OntarioDiscover last-minute flight deals from Nashville to Ontario. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Ontario. Data last updated March 12, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 3/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:01 pm
BNA
- ONT
1 stop10h 58m
Frontier
Tue 3/316:15 am
ONT
- BNA
1 stop6h 01m
Frontier
Deal found 3/9![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 3/9. 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.
Fri 4/103:14 pm
BNA
- ONT
1 stop10h 42m
Frontier
Fri 4/176:15 am
ONT
- BNA
1 stop10h 26m
Frontier
Deal found 3/9![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:24 pm
BNA
- ONT
1 stop18h 07m
Frontier
Sat 4/1812:59 am
ONT
- BNA
1 stop14h 29m
Frontier
Deal found 3/9![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 3/9. 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 4/1612:19 pm
BNA
- ONT
1 stop13h 36m
Frontier
Sun 4/1912:59 am
ONT
- BNA
1 stop12h 56m
Frontier
Deal found 3/9![Frontier logo]()
$210
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:24 pm
BNA
- ONT
1 stop10h 31m
Frontier
Thu 4/305:43 pm
ONT
- BNA
1 stop21h 32m
Frontier
Deal found 3/9![Frontier logo]()
$233
This Booking.com deal was found by Cheapflights users on 3/7. 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 4/176:10 pm
BNA
- ONT
1 stop7h 45m
Frontier
Sat 4/1812:59 am
ONT
- BNA
1 stop14h 29m
Frontier
Deal found 3/7![Frontier logo]()
$218
This Delta deal was found by Cheapflights users on 3/7. 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.
Fri 4/174:58 pm
BNA
- ONT
1 stop22h 41m
Delta
Tue 4/2111:53 am
ONT
- BNA
1 stop10h 06m
Delta
Deal found 3/7![Delta logo]()
$247
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:50 pm
BNA
- ONT
1 stop9h 05m
Multiple Airlines
Sat 4/2510:39 am
ONT
- BNA
1 stop11h 20m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$249
This Frontier deal was found by Cheapflights users on 3/9. 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 4/2312:19 pm
BNA
- ONT
1 stop13h 36m
Frontier
Sun 4/2612:59 am
ONT
- BNA
1 stop12h 56m
Frontier
Deal found 3/9![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 3/10. 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.
Fri 4/246:10 pm
BNA
- ONT
1 stop7h 45m
Frontier
Sat 5/212:59 am
ONT
- BNA
1 stop14h 29m
Frontier
Deal found 3/10![Frontier logo]()
$238
This Booking.com deal was found by Cheapflights users on 3/9. 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 4/246:10 pm
BNA
- ONT
1 stop7h 45m
Frontier
Sat 4/2512:59 am
ONT
- BNA
1 stop14h 29m
Frontier
Deal found 3/9![Frontier logo]()
$242
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 March 12, 2026.
Search for one-way flight options from Nashville to Ontario. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:50 pm
BNA
- ONT
1 stop9h 05m
Frontier
Deal found 3/9![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 3/9. 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.
Wed 3/253:01 pm
BNA
- ONT
1 stop10h 58m
Frontier
Deal found 3/9![Frontier logo]()
$99
This CheapOair deal was found by Cheapflights users on 3/8. 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.
Thu 4/1612:19 pm
BNA
- ONT
1 stop13h 36m
Frontier
Deal found 3/8![Frontier logo]()
$101
This Frontier deal was found by Cheapflights users on 3/8. 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.
Mon 6/17:21 pm
BNA
- ONT
1 stop6h 28m
Frontier
Deal found 3/8![Frontier logo]()
$116
This Booking.com deal was found by Cheapflights users on 3/7. 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 4/176:10 pm
BNA
- ONT
1 stop7h 45m
Frontier
Deal found 3/7![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 3/7. 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.
Tue 3/173:01 pm
BNA
- ONT
1 stop10h 58m
Frontier
Deal found 3/7![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 3/8. 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.
Mon 5/1812:09 pm
BNA
- ONT
1 stop13h 15m
Frontier
Deal found 3/8![Frontier logo]()
$122
This Trip.com deal was found by Cheapflights users on 3/11. 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 4/68:41 pm
BNA
- ONT
1 stop17h 28m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$123
This Frontier deal was found by Cheapflights users on 3/9. 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 6/37:21 pm
BNA
- ONT
1 stop6h 28m
Frontier
Deal found 3/9![Frontier logo]()
$126
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $190 (Frontier) |
One-way from | $95 (CheapOair) |
Popular in | October |
Cheapest in | August |
Average price | $550 |
Good round-trip deal | $549 or less |
Good one-way deal | $265 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 March 12, 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
Fri 5/15
7:27 pm-11:34 pm
1 stop6h 07m
Ontario
Mon 5/18
1:29 pm-10:45 pm
1 stop7h 16m
$257
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Wed 4/29
4:45 pm-11:48 pm
1 stop9h 03m
Ontario
Mon 5/4
10:39 am-11:59 pm
1 stop11h 20m
$307
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Fri 4/10
7:22 pm-11:51 pm
1 stop6h 29m
Ontario
Sat 4/25
7:00 am-9:26 pm
2 stops12h 26m
$307
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Tue 4/28
4:45 pm-11:48 pm
1 stop9h 03m
Ontario
Fri 5/1
7:59 pm-11:59 pm
1 stop26h 00m
$336
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Wed 4/22
7:05 am-2:32 pm
1 stop9h 27m
Ontario
Sun 4/26
7:00 am-5:05 pm
1 stop8h 05m
$348
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Thu 3/26
4:48 pm-10:18 pm
1 stop7h 30m
Ontario
Mon 3/30
6:49 pm-9:02 am
2 stops12h 13m
$352
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Wed 4/8
2:49 pm-10:31 pm
1 stop9h 42m
Ontario
Sat 4/11
1:27 pm-11:50 pm
1 stop8h 23m
$367
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Fri 4/10
7:22 pm-11:51 pm
1 stop6h 29m
Ontario
Sun 4/12
10:25 pm-7:44 am
1 stop7h 19m
$378
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Sat 3/21
12:30 pm-10:57 pm
2 stops12h 27m
Ontario
Mon 3/23
1:40 pm-10:41 pm
1 stop7h 01m
$398
Quickest round-trip
NashvilleOntario
BNA - ONT
BNAONT
Nashville Intl
Tue 4/7
6:10 pm-8:35 pm
Nonstop4h 25m
Ontario
Tue 4/21
7:55 am-1:40 pm
Nonstop3h 45m
$403
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| 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
How far ahead should I book a flight from Nashville to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from Nashville to Ontario. Price data was last updated on March 6, 2026.
Booking 57 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 $73). Flying from Nashville to Ontario in January is currently the most expensive (average of $192). 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 March 12, 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.
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 March 12, 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
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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 March 12, 2026.
Nashville and Ontario flights
Browse other Nashville and Ontario flight options. Last updated on March 12, 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 March 12, 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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$252 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$316 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$231 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$327 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$391 | Average$531 | FlexibilityNo cancel fee | On-time63% |