Ontario

$73+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Aug 25 — Sep 11
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Cheap flight deals from Tennessee to Ontario

Keep the following information in mind while searching for Tennessee to Ontario flight deals. Data was last updated August 20, 2025.

Round-trip from

$145
(CheapOair)

One-way from

$73
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$257

Good one-way deal

$168 or less
From Tennessee to Ontario
One-way flight from Tennessee to Ontario
Highest demand for flights based on searches. 17% potential increase in price ($73 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a one-way flight from Tennessee to Ontario.

Find 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 August 20, 2025.

This CheapOair deal was found by Cheapflights users on 8/19. 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 9/199:38 pmBNA - ONT
1 stop24h 16mFrontier
Mon 9/224:08 pmONT - BNA
1 stop6h 32mFrontier
Deal found 8/19$145
This Booking.com deal was found by Cheapflights users on 8/18. 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 9/126:15 amBNA - ONT
1 stop15h 39mFrontier
Mon 9/154:08 pmONT - BNA
1 stop27h 36mFrontier
Deal found 8/18$146
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:10 pmMEM - ONT
1 stop5h 40mFrontier
Sun 10/266:53 amONT - MEM
1 stop10h 30mFrontier
Deal found 8/18$165
This CheapOair deal was found by Cheapflights users on 8/19. 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 8/286:15 amBNA - ONT
1 stop19h 35mFrontier
Thu 9/43:43 pmONT - BNA
1 stop6h 57mFrontier
Deal found 8/19$169
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:56 pmMEM - ONT
1 stop14h 57mFrontier
Sun 9/288:59 pmONT - MEM
1 stop18h 33mFrontier
Deal found 8/18$171
This CheapOair deal was found by Cheapflights users on 8/18. 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 10/166:12 amBNA - ONT
1 stop19h 38mFrontier
Sun 10/196:53 amONT - BNA
1 stop15h 06mFrontier
Deal found 8/18$172
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:12 amBNA - ONT
1 stop19h 38mFrontier
Sun 10/196:53 amONT - BNA
1 stop15h 06mFrontier
Deal found 8/19$173
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:17 pmTYS - ONT
1 stop6h 33mFrontier
Sun 10/266:53 amONT - TYS
1 stop9h 39mFrontier
Deal found 8/18$174
This CheapOair deal was found by Cheapflights users on 8/18. 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 9/186:15 amBNA - ONT
1 stop27h 38mFrontier
Tue 9/238:59 pmONT - BNA
1 stop22h 45mFrontier
Deal found 8/18$176
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:40 pmTYS - ONT
1 stop13h 43mFrontier
Sun 9/78:59 pmONT - TYS
1 stop19h 46mFrontier
Deal found 8/19$179
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/186:15 amBNA - ONT
1 stop15h 39mFrontier
Thu 9/258:59 pmONT - BNA
1 stop21h 44mFrontier
Deal found 8/19$181
This Booking.com deal was found by Cheapflights users on 8/19. 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 9/186:15 amBNA - ONT
1 stop27h 38mFrontier
Mon 9/228:59 pmONT - BNA
1 stop22h 45mFrontier
Deal found 8/19$182

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 August 20, 2025.
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

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Wed 10/22

6:12 am-11:50 pm

1 stop19h 38m

Ontario

Fri 10/31

4:05 pm-2:47 pm

1 stop20h 42m

$145

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Wed 10/15

6:12 am-11:50 pm

1 stop19h 38m

Ontario

Sun 10/19

6:53 am-11:59 pm

1 stop15h 06m

$145

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Tue 9/9

7:30 am-7:54 pm

1 stop14h 24m

Ontario

Sat 9/20

8:59 pm-8:43 pm

1 stop21h 44m

$145

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Thu 9/11

6:15 am-7:23 am

1 stop27h 08m

Ontario

Sun 9/14

8:59 pm-12:40 am

1 stop25h 41m

$145

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Thu 9/25

6:15 am-7:53 am

1 stop27h 38m

Ontario

Mon 10/6

4:08 pm-12:40 am

1 stop6h 32m

$145

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Fri 11/7

3:42 pm-11:50 pm

1 stop10h 08m

Ontario

Sun 11/9

6:53 am-2:47 pm

1 stop5h 54m

$145

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Wed 9/10

7:30 am-7:23 am

1 stop25h 53m

Ontario

Fri 9/12

8:59 pm-10:33 pm

1 stop23h 34m

$145

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Sat 9/13

7:00 am-7:54 pm

1 stop14h 54m

Ontario

Mon 9/29

4:08 pm-12:40 am

1 stop6h 32m

$145

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Thu 9/25

6:15 am-7:54 pm

1 stop15h 39m

Ontario

Tue 10/21

7:04 am-11:59 pm

1 stop14h 55m

$145

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Fri 9/19

9:38 pm-7:54 pm

1 stop24h 16m

Ontario

Mon 9/22

4:08 pm-12:40 am

1 stop6h 32m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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 $246). Flying from Tennessee to Ontario in March is currently the most expensive (average of $328). 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 August 20, 2025.

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?

  • How long is the flight from Tennessee to Ontario?

    A quick flight from Tennessee to Ontario can take about 6h 26m. Frontier provides one of the quickest options available for as low as $326. The distance from Tennessee to Ontario is about 1835 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

  • What are the cheapest flights from Tennessee to Ontario?

    The cheapest flight price from Tennessee to Ontario is $168. On average you can expect to pay $275. The most popular route, (Nashville Intl - Ontario), can usually be booked for $145.

  • 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 $246). Flying from Tennessee to Ontario in March is currently the most expensive (average of $328). 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.

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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$421FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$399FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$419FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$264Average$441FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$315Average$463FlexibilityNo cancel feeOn-time63%

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