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$65+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
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 January 24, 2026.

This Trip.com deal was found by Cheapflights users on 1/21. 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 2/178:45 pm
BNA
-
ONT
1 stop18h 26m
Multiple Airlines
Tue 2/243:22 pm
ONT
-
BNA
1 stop11h 46m
Multiple Airlines
Deal found 1/21$150
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/238:45 pm
BNA
-
ONT
1 stop19h 07m
Multiple Airlines
Wed 2/257:17 pm
ONT
-
BNA
1 stop7h 51m
Multiple Airlines
Deal found 1/22$158
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 3/48:45 pm
BNA
-
ONT
1 stop18h 26m
Multiple Airlines
Mon 3/99:40 pm
ONT
-
BNA
1 stop29h 28m
Multiple Airlines
Deal found 1/22$163
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 3/48:45 pm
BNA
-
ONT
1 stop18h 26m
Multiple Airlines
Wed 3/112:23 pm
ONT
-
BNA
1 stop12h 45m
Multiple Airlines
Deal found 1/22$173
This Frontier deal was found by Cheapflights users on 1/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:13 pm
TYS
-
ONT
1 stop6h 46m
Frontier
Mon 3/96:15 am
ONT
-
TYS
1 stop6h 10m
Frontier
Deal found 1/23$199
This flugladen.de deal was found by Cheapflights users on 1/23. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:45 pm
BNA
-
ONT
1 stop18h 26m
Multiple Airlines
Sat 2/218:09 pm
ONT
-
BNA
1 stop6h 59m
Multiple Airlines
Deal found 1/23$208
This CheapOair deal was found by Cheapflights users on 1/22. 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 3/173:01 pm
BNA
-
ONT
1 stop10h 58m
Frontier
Wed 3/256:15 am
ONT
-
BNA
1 stop6h 01m
Frontier
Deal found 1/22$210
This Frontier deal was found by Cheapflights users on 1/22. 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 2/197:30 pm
BNA
-
ONT
1 stop6h 29m
Frontier
Sun 2/226:10 am
ONT
-
BNA
1 stop10h 37m
Frontier
Deal found 1/22$215
This Kiwi.com deal was found by Cheapflights users on 1/22. 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.
Sun 2/11:34 pm
CHA
-
ONT
1 stop25h 36m
Multiple Airlines
Wed 2/257:17 pm
ONT
-
CHA
1 stop22h 55m
Multiple Airlines
Deal found 1/22$233
This Frontier deal was found by Cheapflights users on 1/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:30 pm
TYS
-
ONT
1 stop10h 50m
Frontier
Fri 2/66:20 am
ONT
-
TYS
1 stop6h 10m
Frontier
Deal found 1/23$236
This Expedia deal was found by Cheapflights users on 1/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:06 pm
MEM
-
ONT
1 stop5h 53m
Frontier
Thu 3/268:07 am
ONT
-
MEM
1 stop9h 28m
Frontier
Deal found 1/23$238
This Frontier deal was found by Cheapflights users on 1/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:13 pm
TYS
-
ONT
1 stop28h 21m
Frontier
Mon 3/26:10 am
ONT
-
TYS
1 stop10h 08m
Frontier
Deal found 1/23$242

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 January 24, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$150
(Trip.com)

One-way from

$65
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$405

Good round-trip deal

$457 or less

Good one-way deal

$138 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. 16% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 24, 2026.
Use the filters below to find and compare flights from Tennessee to Ontario that are best for you.

Fly from

Tennessee

Fly to

Ontario

Route

Depart

Return

Price

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mon 3/2

8:13 pm-11:59 pm

1 stop6h 46m

Ontario

Mon 3/9

6:15 am-3:25 pm

1 stop6h 10m

$199

MemphisOntario

MEM - ONT

MEMONT

Memphis

Mon 3/16

8:06 pm-11:59 pm

1 stop5h 53m

Ontario

Thu 3/19

6:15 am-1:58 pm

1 stop5h 43m

$259

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fri 2/6

4:25 pm-12:20 am

1 stop10h 55m

Ontario

Mon 2/9

6:20 am-3:35 pm

1 stop6h 15m

$276

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Fri 2/20

4:55 pm-11:49 pm

1 stop8h 54m

Ontario

Wed 2/25

1:10 pm-10:00 pm

1 stop6h 50m

$285

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Tue 4/14

4:35 pm-9:50 pm

1 stop7h 15m

Ontario

Fri 4/17

6:05 am-4:49 pm

1 stop8h 44m

$285

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Fri 2/20

4:55 pm-11:49 pm

1 stop8h 54m

Ontario

Tue 2/24

10:20 pm-8:17 am

1 stop7h 57m

$285

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Tue 2/17

7:05 am-12:07 pm

1 stop7h 02m

Ontario

Sat 2/21

1:10 pm-10:00 pm

1 stop6h 50m

$285

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Fri 2/20

4:55 pm-11:49 pm

1 stop8h 54m

Ontario

Mon 2/23

10:20 pm-8:17 am

1 stop7h 57m

$285

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Wed 2/18

7:05 am-12:07 pm

1 stop7h 02m

Ontario

Tue 2/24

6:00 am-2:15 pm

1 stop6h 15m

$285

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Wed 2/18

4:08 pm-9:05 pm

1 stop6h 57m

Ontario

Thu 2/26

10:20 pm-8:17 am

1 stop7h 57m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Tennessee to Ontario (average of $73). Flying from Tennessee to Ontario in December is currently the most expensive (average of $169). 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 January 24, 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.

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 6h 46m. Frontier provides one of the quickest options available for as low as $199. 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 $55. However, be on the lookout for offers from United Airlines and American Airlines, 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 Chattanooga Lovell Field - Ontario.

  • What are the cheapest flights from Tennessee to Ontario?

    The cheapest flight price from Tennessee to Ontario is $114. On average you can expect to pay $361. The most popular route, (Nashville Intl - Ontario), can usually be booked for $154.

  • 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, August is the cheapest month in which you can book a flight from Tennessee to Ontario (average of $73). Flying from Tennessee to Ontario in December is currently the most expensive (average of $169). 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 January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$272FlexibilityNo cancel feeOn-time62%
DeltaCheapest$157Average$387FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$413FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$425FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$346Average$473FlexibilityNo cancel feeOn-time63%

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