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$119+ Cheap flights from Ontario (ONT) to Tennessee

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Tennessee

Keep the following information in mind while searching for Ontario to Tennessee flight deals. Data was last updated June 12, 2025.

Round-trip from

$265
(Booking.com)

One-way from

$119
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$395

Good round-trip deal

$376 or less

Good one-way deal

$214 or less
From Ontario to Tennessee
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One-way flight from Ontario to Tennessee
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Highest demand for flights based on searches. 14% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Ontario to Tennessee.
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Price to beat on a one-way flight from Ontario to Tennessee.
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Find flight deals from Ontario to Tennessee

Cheapest flights from Ontario to Tennessee
Explore the most affordable flight options available from Ontario to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:59 amONT - MEM
1 stop14h 26mFrontier
Thu 8/286:20 pmMEM - ONT
1 stop7h 30mFrontier
Deal found 6/11$265
This Gotogate deal was found by Cheapflights users on 6/12. 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.
Fri 8/1512:59 amONT - BNA
1 stop21h 03mFrontier
Mon 8/187:27 pmBNA - ONT
1 stop6h 23mFrontier
Deal found 6/12$268
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:10 amONT - BNA
1 stop8h 37mAlaska Airlines
Thu 9/115:27 pmBNA - ONT
1 stop8h 26mAlaska Airlines
Deal found 6/10$277
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:02 amONT - BNA
1 stop6h 53mUnited Airlines
Sat 10/189:51 amBNA - ONT
2 stops9h 49mUnited Airlines
Deal found 6/10$284
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:30 pmONT - BNA
1 stop7h 15mAmerican Airlines
Tue 10/73:55 pmBNA - ONT
1 stop8h 05mAmerican Airlines
Deal found 6/10$288
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.
Sat 8/1611:45 amONT - TYS
1 stop9h 03mDelta
Sat 8/235:45 amTYS - ONT
1 stop7h 50mDelta
Deal found 6/10$289
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 8/1910:00 pmONT - CHA
1 stop8h 03mDelta
Tue 8/264:08 pmCHA - ONT
1 stop6h 03mDelta
Deal found 6/10$289
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:05 amONT - BNA
1 stop6h 40mDelta
Wed 9/35:00 pmBNA - ONT
1 stop7h 40mDelta
Deal found 6/9$294
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:59 amONT - TYS
1 stop15h 42mFrontier
Mon 8/257:10 pmTYS - ONT
1 stop7h 40mFrontier
Deal found 6/11$296
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:50 amONT - MEM
1 stop7h 52mAmerican Airlines
Mon 8/115:27 amMEM - ONT
1 stop6h 31mAmerican Airlines
Deal found 6/10$297
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:17 amONT - TYS
2 stops10h 28mAmerican Airlines
Sat 8/2312:20 pmTYS - ONT
2 stops8h 32mAmerican Airlines
Deal found 6/11$299
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 8/1911:59 pmONT - CHA
2 stops8h 57mAmerican Airlines
Tue 8/2612:23 pmCHA - ONT
2 stops9h 01mAmerican Airlines
Deal found 6/12$299

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Tennessee 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 12, 2025.
Use the filters below to find and compare flights from Ontario to Tennessee that are best for you.

Fly from

Ontario

Fly to

Tennessee

Route

Depart

Return

Price

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Wed 8/20

12:59 am-5:25 pm

1 stop14h 26m

Memphis

Thu 8/28

6:20 pm-11:50 pm

1 stop7h 30m

$265

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Fri 8/15

12:59 am-12:02 am

1 stop21h 03m

Nashville Intl

Mon 8/18

7:27 pm-11:50 pm

1 stop6h 23m

$268

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Tue 9/9

7:10 am-5:47 pm

1 stop8h 37m

Nashville Intl

Thu 9/11

5:27 pm-11:53 pm

1 stop8h 26m

$277

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Tue 8/26

7:10 am-5:47 pm

1 stop8h 37m

Nashville Intl

Tue 9/9

9:00 am-6:28 pm

1 stop11h 28m

$282

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Mon 7/7

12:59 am-10:53 am

1 stop7h 54m

Nashville Intl

Tue 7/15

5:42 pm-10:34 pm

1 stop6h 52m

$288

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Sat 8/16

11:45 am-11:48 pm

1 stop9h 03m

Knoxville McGhee Tyson

Sat 8/23

5:45 am-10:35 am

1 stop7h 50m

$289

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 8/19

10:00 pm-9:03 am

1 stop8h 03m

Chattanooga Lovell Field

Tue 8/26

4:08 pm-7:11 pm

1 stop6h 03m

$289

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Mon 7/21

6:39 pm-5:48 am

1 stop9h 09m

Nashville Intl

Wed 7/23

7:00 am-12:14 pm

1 stop7h 14m

$290

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Tue 8/19

7:05 am-3:45 pm

1 stop6h 40m

Nashville Intl

Wed 9/3

5:00 pm-10:40 pm

1 stop7h 40m

$294

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Wed 8/20

12:59 am-7:41 pm

1 stop15h 42m

Knoxville McGhee Tyson

Mon 8/25

7:10 pm-11:50 pm

1 stop7h 40m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 48 results
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Best time to book a flight from Ontario to Tennessee

Have a flexible travel schedule? Discover the best time to fly to Tennessee from Ontario 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 Ontario to Tennessee

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Tennessee (average of $220). Flying from Ontario to Tennessee in June is currently the most expensive (average of $289). 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 ONT to TN?

Find hourly flight availability from Ontario to Tennessee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

Rainfall in Tennessee by month

Plan your trip to Tennessee by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Tennessee ranges from 2.8 - 5.0 inches per month. May is typically the wettest month, when rainfall can reach 5.0 in. October is typically the driest time to visit Tennessee when rainfall is around 2.8 in.

Temperature in Tennessee by month

Plan your trip to Tennessee by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Tennessee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Tennessee

Get insights into the airlines that provide service to Tennessee. 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 Tennessee. Reviews last updated June 12, 2025.
To help decide which airline to fly from Ontario to Tennessee, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Tennessee. 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 from for flights from Ontario to Tennessee?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Tennessee.

  • How popular is this Ontario to Tennessee flight route?

    Flights from Ontario to Tennessee have been viewed 12 times in the past calendar month.

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

    One-way options have recently been found by users for as low as $119 on Hawaiian Airlines. Other airlines that offer cheap prices include Alaska Airlines from $123 and American Airlines from $124 one-way.

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

    When deciding which route to take from Ontario to Tennessee consider Ontario - Nashville Intl, Ontario - Memphis or Ontario - Knoxville McGhee Tyson as they are the most popular.

  • What are the cheapest flights from Ontario to Tennessee?

    Looking for the cheapest flight from Ontario to Tennessee? While on average our users pay $366, our data indicates the cheapest price to be $168. The most popular route (Ontario - Nashville Intl), is priced around $241.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Tennessee 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 Ontario to Tennessee?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Tennessee (average of $220). Flying from Ontario to Tennessee in June is currently the most expensive (average of $289). 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.

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Alternative routes for Ontario to Tennessee

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ontario to Tennessee

Discover the top 7 airlines that operate flights from Ontario to Tennessee. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$189FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$205FlexibilityNo cancel feeOn-time62%
DeltaCheapest$197Average$427FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$240Average$451FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$277Average$403FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$278Average$441FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$342Average$453FlexibilityNo cancel feeOn-time63%

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