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$72+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNA
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
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 January 14, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$154
(Kiwi.com)

One-way from

$72
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$452

Good round-trip deal

$473 or less

Good one-way deal

$278 or less
Provider with most accurate pricing for Los Angeles-Nashville Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Nashville Intl flights.
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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. 15% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/122:08 pm
ONT
-
MEM
1 stop27h 03m
Multiple Airlines
Mon 2/169:22 pm
MEM
-
ONT
1 stop17h 49m
Multiple Airlines
Deal found 1/12$159
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/122:08 pm
ONT
-
MEM
1 stop27h 03m
Frontier
Thu 2/198:09 pm
MEM
-
ONT
1 stop29h 50m
Frontier
Deal found 1/13$161
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/58:48 pm
ONT
-
MEM
1 stop13h 43m
Multiple Airlines
Mon 2/91:21 pm
MEM
-
ONT
1 stop7h 49m
Multiple Airlines
Deal found 1/12$169
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/206:00 am
ONT
-
MEM
1 stop11h 11m
Multiple Airlines
Mon 2/239:22 pm
MEM
-
ONT
1 stop18h 30m
Multiple Airlines
Deal found 1/13$171
This Frontier deal was found by Cheapflights users on 1/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:10 am
ONT
-
TYS
1 stop10h 08m
Frontier
Mon 3/28:13 pm
TYS
-
ONT
1 stop28h 21m
Frontier
Deal found 1/12$171
This Booking.com deal was found by Cheapflights users on 1/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/266:20 am
ONT
-
MEM
1 stop5h 57m
Frontier
Mon 2/23:12 pm
MEM
-
ONT
1 stop11h 08m
Frontier
Deal found 1/12$179
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/206:00 am
ONT
-
MEM
1 stop11h 11m
Multiple Airlines
Thu 2/267:04 pm
MEM
-
ONT
2 stops38h 22m
Multiple Airlines
Deal found 1/13$188
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:09 pm
ONT
-
MEM
2 stops21h 26m
Multiple Airlines
Mon 2/169:22 pm
MEM
-
ONT
1 stop17h 49m
Multiple Airlines
Deal found 1/12$197
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:09 pm
ONT
-
MEM
2 stops21h 26m
Frontier
Thu 2/198:09 pm
MEM
-
ONT
1 stop29h 50m
Frontier
Deal found 1/12$200
This Frontier deal was found by Cheapflights users on 1/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:20 am
ONT
-
MEM
1 stop5h 57m
Frontier
Sun 2/83:12 pm
MEM
-
ONT
1 stop11h 08m
Frontier
Deal found 1/12$210
This Frontier deal was found by Cheapflights users on 1/13. 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 2/26:20 am
ONT
-
TYS
1 stop6h 15m
Frontier
Fri 2/64:25 pm
TYS
-
ONT
1 stop10h 55m
Frontier
Deal found 1/13$215
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:46 pm
ONT
-
BNA
1 stop10h 22m
Multiple Airlines
Mon 3/28:45 pm
BNA
-
ONT
2 stops26h 49m
Multiple Airlines
Deal found 1/12$218

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 January 14, 2026.
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

Thu 2/5

8:48 pm-12:31 pm

1 stop13h 43m

Memphis

Mon 2/9

1:21 pm-7:10 pm

1 stop7h 49m

$178

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 2/12

6:05 am-7:24 pm

1 stop11h 19m

Memphis

Thu 2/19

8:09 pm-7:26 am

2 stops37h 17m

$179

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Mon 2/2

6:20 am-3:35 pm

1 stop6h 15m

Knoxville McGhee Tyson

Fri 2/6

4:25 pm-12:20 am

1 stop10h 55m

$215

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Mon 2/9

6:20 am-3:35 pm

1 stop6h 15m

Knoxville McGhee Tyson

Mon 2/16

8:13 pm-11:59 pm

1 stop6h 46m

$230

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 2/12

2:06 pm-2:33 pm

1 stop22h 27m

Nashville Intl

Thu 2/19

8:52 pm-7:26 am

2 stops36h 34m

$231

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Thu 3/26

6:15 am-1:58 pm

1 stop5h 43m

Memphis

Mon 3/30

8:07 pm-11:59 pm

1 stop5h 52m

$245

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Wed 2/18

7:17 pm-7:24 pm

2 stops22h 07m

Memphis

Thu 2/26

8:09 pm-11:59 pm

1 stop29h 50m

$251

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 2/12

6:05 am-6:45 pm

1 stop10h 40m

Nashville Intl

Mon 2/16

7:30 pm-11:59 pm

1 stop6h 29m

$251

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Mon 3/30

11:17 am-2:16 pm

2 stops24h 59m

Nashville Intl

Sat 4/4

8:41 pm-9:17 pm

1 stop26h 36m

$280

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Wed 2/4

1:24 pm-9:50 pm

1 stop6h 26m

Nashville Intl

Tue 2/10

2:54 pm-9:59 pm

1 stop9h 05m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 60 results
1
2
3
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6

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, March is the cheapest month in which you can book a flight from Ontario to Tennessee (average of $79). Flying from Ontario to Tennessee in February is currently the most expensive (average of $186). 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 January 14, 2026.

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.

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 January 14, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Ontario to Tennessee by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,257 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,040 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,156 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,118 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 9 times in the past calendar month.

  • How long is the flight from Ontario to Tennessee?

    A quick flight from Ontario to Tennessee can take about 6h 26m. Frontier provides one of the quickest options available for as low as $283. Airlines will cover a distance of 1745 mi. This flight may include one or multiple stops.

  • 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 $78 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $103 and United Airlines from $120 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 $435, our data indicates the cheapest price to be $158. The most popular route (Ontario - Nashville Intl), is priced around $142.

  • 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, March is the cheapest month in which you can book a flight from Ontario to Tennessee (average of $79). Flying from Ontario to Tennessee in February is currently the most expensive (average of $186). 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 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$196FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$239Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$256Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$264Average$420FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$278Average$339FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$333Average$469FlexibilityNo cancel feeOn-time63%

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