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$110+ Cheap flights from Tennessee to Ontario (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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap flight deals from Tennessee to Ontario

Cheapest flights from Tennessee to Ontario
Explore the most affordable flight options available from Tennessee to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:30 am
BNA
-
ONT
1 stop6h 46m
Delta
Wed 8/1912:00 pm
ONT
-
BNA
1 stop6h 40m
Delta
Deal found 6/10$237
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:56 am
BNA
-
ONT
1 stop8h 52m
Frontier
Mon 8/2411:43 am
ONT
-
BNA
1 stop6h 46m
Frontier
Deal found 6/10$240
This Booking.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:41 pm
BNA
-
ONT
1 stop26h 13m
Frontier
Mon 8/1010:49 am
ONT
-
BNA
1 stop22h 51m
Frontier
Deal found 6/9$241
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:48 pm
MEM
-
ONT
1 stop6h 02m
Frontier
Wed 8/126:00 am
ONT
-
MEM
1 stop11h 03m
Frontier
Deal found 6/10$244
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 am
BNA
-
ONT
1 stop7h 25m
Delta
Mon 10/261:00 pm
ONT
-
BNA
1 stop7h 15m
Delta
Deal found 6/8$249
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:56 am
BNA
-
ONT
1 stop8h 52m
Frontier
Sun 8/236:47 pm
ONT
-
BNA
1 stop12h 14m
Frontier
Deal found 6/10$250
This Booking.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:09 pm
BNA
-
ONT
1 stop23h 56m
Frontier
Tue 7/710:49 am
ONT
-
BNA
1 stop22h 43m
Frontier
Deal found 6/6$251
This Booking.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:35 pm
BNA
-
ONT
1 stop27h 16m
Frontier
Thu 7/163:40 pm
ONT
-
BNA
1 stop21h 06m
Frontier
Deal found 6/7$252
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:18 am
BNA
-
ONT
2 stops10h 43m
United Airlines
Sat 9/266:00 am
ONT
-
BNA
1 stop6h 02m
United Airlines
Deal found 6/8$254
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:03 am
TYS
-
ONT
1 stop6h 31m
American Airlines
Tue 9/112:33 pm
ONT
-
TYS
1 stop7h 45m
American Airlines
Deal found 6/9$256
This Booking.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:41 pm
BNA
-
ONT
1 stop18h 22m
Frontier
Wed 7/151:38 pm
ONT
-
BNA
1 stop23h 08m
Frontier
Deal found 6/9$256
This Booking.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/912:17 pm
BNA
-
ONT
1 stop13h 33m
Frontier
Thu 7/1611:52 am
ONT
-
BNA
1 stop24h 54m
Frontier
Deal found 6/8$258

Find flight deals from Tennessee to Ontario

Keep the following information in mind while searching for Tennessee to Ontario flight deals. Data was last updated June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Delta)

One-way from

$110
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$425

Good round-trip deal

$405 or less

Good one-way deal

$242 or less
Provider with most accurate pricing for Nashville Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Los Angeles flights.
Search Deals
From Tennessee to Ontario
Search Deals
One-way flight from Tennessee to Ontario
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Tennessee to Ontario.
Search Deals
Price to beat on a one-way flight from Tennessee to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tennessee 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 11, 2026.
Use the filters below to find and compare flights from Tennessee to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 9/23

5:45 am-10:47 am

1 stop8h 02m

Ontario

Mon 9/28

10:00 pm-9:39 am

1 stop8h 39m

$278

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Thu 9/17

6:11 pm-10:26 pm

1 stop7h 15m

Ontario

Tue 9/22

7:05 am-5:12 pm

1 stop7h 07m

$278

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Tue 7/28

7:34 pm-11:48 pm

1 stop6h 14m

Ontario

Tue 8/4

1:06 pm-10:50 pm

1 stop7h 44m

$284

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Sat 8/22

5:00 pm-10:23 pm

1 stop7h 23m

Ontario

Sun 8/23

9:43 am-6:13 pm

1 stop6h 30m

$296

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Sat 9/5

5:00 pm-10:23 pm

1 stop7h 23m

Ontario

Sun 9/13

10:59 pm-8:28 am

1 stop7h 29m

$296

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Wed 7/29

4:43 pm-11:52 pm

1 stop9h 09m

Ontario

Tue 8/4

5:26 pm-5:40 am

1 stop10h 14m

$317

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Tue 8/4

6:35 am-12:40 pm

1 stop8h 05m

Ontario

Fri 8/7

5:40 am-3:20 pm

2 stops7h 40m

$321

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Wed 8/19

6:15 am-10:42 am

1 stop6h 27m

Ontario

Mon 8/24

6:00 am-1:57 pm

1 stop5h 57m

$324

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Fri 8/21

7:39 pm-11:34 pm

1 stop5h 55m

Ontario

Sat 8/22

1:06 pm-10:50 pm

1 stop7h 44m

$331

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Tue 8/4

5:00 pm-11:34 pm

1 stop8h 34m

Ontario

Sun 8/9

1:06 pm-10:50 pm

1 stop7h 44m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Tennessee to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Tennessee with our price prediction graph.
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 Tennessee to Ontario

What is the cheapest month to book a flight from Tennessee to Ontario?

Currently, November is the cheapest month in which you can book a flight from Tennessee to Ontario (average of $55). Flying from Tennessee to Ontario in December is currently the most expensive (average of $236). 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 TN to ONT?

Find hourly flight availability from Tennessee 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 11, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Tennessee to Ontario as you normally would.

How much does it cost to fly round-trip from Tennessee to Ontario?

How far ahead should I book a flight from Tennessee to Ontario?

The price you pay for your flight from Tennessee to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Tennessee to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Tennessee?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Tennessee.

  • How popular is this Tennessee to Ontario flight route?

    Flights from Tennessee to Ontario have been viewed 1 times in the past calendar month.

  • How long is the flight from Tennessee to Ontario?

    A quick flight from Tennessee to Ontario can take about 8h 02m. Delta provides one of the quickest options available for as low as $278. The distance from Tennessee to Ontario is about 1897 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Tennessee to Ontario one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $82. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Tennessee to Ontario for a low price.

  • What are the most popular routes from Tennessee to Ontario?

    The most popular route from Tennessee to Ontario is Nashville Intl - Ontario. You may also consider Memphis - Ontario or Knoxville McGhee Tyson - Ontario.

  • What are the cheapest flights from Tennessee to Ontario?

    The cheapest flight price from Tennessee to Ontario is $118. On average you can expect to pay $425. The most popular route, (Nashville Intl - Ontario), can usually be booked for $233.

  • Can I find deals for flights from Tennessee to Ontario that include hotel bookings?

    Yes. In addition to deals on Tennessee to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tennessee to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tennessee to Ontario.

  • Can I find deals for business class flights from Tennessee to Ontario?

    Yes. Cheapflights offers flight deals from Tennessee to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tennessee to Ontario?

    Currently, November is the cheapest month in which you can book a flight from Tennessee to Ontario (average of $55). Flying from Tennessee to Ontario in December is currently the most expensive (average of $236). 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.

See more FAQs

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Alternative routes for Tennessee to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Tennessee to Ontario

Discover the top 5 airlines that operate flights from Tennessee 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$105Average$283FlexibilityNo cancel feeOn-time62%
DeltaCheapest$157Average$409FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$167Average$414FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$446FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$280Average$479FlexibilityNo cancel feeOn-time63%

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