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$81+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
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 July 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/227:42 pm
BNA
-
ONT
1 stop20h 15m
Frontier
Wed 9/306:00 am
ONT
-
BNA
1 stop10h 47m
Frontier
Deal found 7/23$161
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/2012:55 pm
BNA
-
ONT
1 stop12h 55m
Frontier
Tue 8/257:56 pm
ONT
-
BNA
1 stop14h 14m
Frontier
Deal found 7/26$162
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/2012:55 pm
BNA
-
ONT
1 stop12h 55m
Frontier
Mon 9/1411:45 am
ONT
-
BNA
1 stop24h 33m
Frontier
Deal found 7/26$164
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Wed 8/1912:55 pm
BNA
-
ONT
1 stop12h 55m
Frontier
Tue 8/257:56 pm
ONT
-
BNA
1 stop14h 14m
Frontier
Deal found 7/26$165
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Wed 8/1912:55 pm
BNA
-
ONT
1 stop12h 55m
Frontier
Mon 8/246:00 am
ONT
-
BNA
1 stop28h 10m
Frontier
Deal found 7/25$167
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 8/1712:25 pm
BNA
-
ONT
1 stop23h 39m
Frontier
Mon 9/1411:45 am
ONT
-
BNA
1 stop24h 33m
Frontier
Deal found 7/26$181
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Wed 8/1912:55 pm
BNA
-
ONT
1 stop12h 55m
Frontier
Tue 9/1511:45 am
ONT
-
BNA
1 stop24h 33m
Frontier
Deal found 7/26$182
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Wed 10/217:42 pm
BNA
-
ONT
1 stop17h 01m
Frontier
Mon 10/266:00 am
ONT
-
BNA
1 stop10h 47m
Frontier
Deal found 7/25$183
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/103:14 pm
BNA
-
ONT
1 stop10h 33m
Frontier
Wed 9/1611:45 am
ONT
-
BNA
1 stop24h 40m
Frontier
Deal found 7/26$195
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 8/1712:25 pm
BNA
-
ONT
1 stop23h 39m
Frontier
Tue 9/1511:45 am
ONT
-
BNA
1 stop24h 33m
Frontier
Deal found 7/26$198
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/107:42 pm
BNA
-
ONT
1 stop17h 01m
Frontier
Mon 9/146:00 am
ONT
-
BNA
1 stop10h 47m
Frontier
Deal found 7/23$211
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:51 pm
MEM
-
ONT
1 stop5h 59m
Frontier
Mon 8/316:00 am
ONT
-
MEM
1 stop11h 06m
Frontier
Deal found 7/26$268

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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$161
(Kiwi.com)

One-way from

$81
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$442

Good round-trip deal

$415 or less

Good one-way deal

$397 or less
Provider with most accurate pricing for Nashville Intl-Los Angeles Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Los Angeles 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. 13% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 27, 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

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sat 10/17

7:00 am-12:22 pm

1 stop7h 22m

Ontario

Mon 10/19

11:15 pm-9:29 am

1 stop8h 14m

$311

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 11/18

7:00 am-12:10 pm

1 stop7h 10m

Ontario

Thu 12/3

11:10 pm-8:09 am

1 stop6h 59m

$311

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sat 8/22

1:54 pm-6:30 pm

1 stop6h 36m

Ontario

Wed 9/2

12:00 pm-11:24 pm

1 stop9h 24m

$311

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 11/18

5:55 am-11:55 am

2 stops8h 00m

Ontario

Thu 12/3

12:30 pm-8:10 pm

1 stop5h 40m

$316

BlountvilleOntario

TRI - ONT

TRIONT

Blountville Tri Cities TN/VA

Thu 8/20

5:23 pm-10:59 pm

1 stop8h 36m

Ontario

Wed 8/26

10:29 am-10:50 pm

1 stop9h 21m

$359

BlountvilleOntario

TRI - ONT

TRIONT

Blountville Tri Cities TN/VA

Thu 8/20

6:00 am-10:42 am

1 stop7h 42m

Ontario

Thu 8/27

7:05 am-6:27 pm

1 stop8h 22m

$359

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Mon 11/23

5:45 pm-10:14 pm

1 stop7h 29m

Ontario

Sun 12/6

7:00 am-5:13 pm

1 stop7h 13m

$359

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Mon 11/9

5:59 pm-9:59 pm

1 stop7h 00m

Ontario

Sun 11/15

11:10 pm-9:20 am

1 stop7h 10m

$359

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mon 8/31

6:03 am-9:34 am

1 stop6h 31m

Ontario

Sun 9/6

12:33 pm-11:18 pm

1 stop7h 45m

$364

BlountvilleOntario

TRI - ONT

TRIONT

Blountville Tri Cities TN/VA

Fri 9/11

1:25 pm-10:04 pm

2 stops11h 39m

Ontario

Sun 9/13

10:00 pm-9:33 am

1 stop8h 33m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

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, February is the cheapest month in which you can book a flight from Tennessee to Ontario (average of $343). Flying from Tennessee to Ontario in December is currently the most expensive (average of $470). 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 July 27, 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?

Airfare is below average for this route at the moment.
Tennessee to Ontario flights typically cost between $276 and $482 in September.
The cheapest round-trip price found within the last 5 days was $161 on Frontier (Sep 22-Sep 30).

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 7h 22m. Delta provides one of the quickest options available for as low as $311. The distance from Tennessee to Ontario is about 1567 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 $101. 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 $276. On average you can expect to pay $452. The most popular route, (Nashville Intl - Ontario), can usually be booked for $212.

  • 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, February is the cheapest month in which you can book a flight from Tennessee to Ontario (average of $343). Flying from Tennessee to Ontario in December is currently the most expensive (average of $470). 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

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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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$105Average$293FlexibilityNo cancel feeOn-time62%
DeltaCheapest$157Average$420FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$167Average$418FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$454FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$280Average$475FlexibilityNo cancel feeOn-time63%

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