Tennessee

$105+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNA
Jun 11 — Jun 181
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Cheap 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 May 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:49 am
ONT
-
MEM
1 stop6h 17m
Multiple Airlines
Mon 8/179:31 pm
MEM
-
ONT
1 stop19h 38m
Multiple Airlines
Deal found 5/10$190
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:40 pm
ONT
-
MEM
1 stop27h 01m
Multiple Airlines
Mon 8/179:31 pm
MEM
-
ONT
1 stop19h 38m
Multiple Airlines
Deal found 5/9$209
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
ONT
-
MEM
1 stop11h 09m
Frontier
Wed 6/107:59 pm
MEM
-
ONT
1 stop16h 06m
Frontier
Deal found 5/9$210
This Expedia deal was found by Cheapflights users on 5/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
ONT
-
MEM
1 stop11h 09m
Frontier
Fri 6/57:54 pm
MEM
-
ONT
1 stop16h 11m
Frontier
Deal found 5/10$230
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:49 am
ONT
-
MEM
1 stop6h 17m
Frontier
Wed 8/197:59 pm
MEM
-
ONT
1 stop16h 06m
Frontier
Deal found 5/11$235
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
ONT
-
TYS
1 stop10h 37m
Frontier
Mon 6/158:32 pm
TYS
-
ONT
1 stop16h 33m
Frontier
Deal found 5/7$239
This Booking.com deal was found by Cheapflights users on 5/11. 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 6/106:00 am
ONT
-
TYS
1 stop10h 37m
Frontier
Wed 6/178:32 pm
TYS
-
ONT
1 stop16h 33m
Frontier
Deal found 5/11$242
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:43 am
ONT
-
MEM
1 stop6h 58m
Multiple Airlines
Mon 8/179:31 pm
MEM
-
ONT
1 stop19h 38m
Multiple Airlines
Deal found 5/10$248
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:00 am
ONT
-
MEM
1 stop11h 06m
Frontier
Wed 8/197:59 pm
MEM
-
ONT
1 stop5h 50m
Frontier
Deal found 5/11$250
This Booking.com deal was found by Cheapflights users on 5/7. 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 8/246:00 am
ONT
-
TYS
1 stop10h 37m
Frontier
Fri 8/288:32 pm
TYS
-
ONT
1 stop16h 33m
Frontier
Deal found 5/7$256
This Booking.com deal was found by Cheapflights users on 5/11. 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.
Fri 7/176:00 am
ONT
-
TYS
1 stop10h 36m
Frontier
Mon 7/208:32 pm
TYS
-
ONT
1 stop16h 31m
Frontier
Deal found 5/11$262
This CheapOair deal was found by Cheapflights users on 5/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
ONT
-
TYS
1 stop10h 36m
Frontier
Fri 7/318:32 pm
TYS
-
ONT
1 stop16h 31m
Frontier
Deal found 5/11$280

Find flight deals from Ontario to Tennessee

Keep the following information in mind while searching for Ontario to Tennessee flight deals. Data was last updated May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$190
(Kiwi.com)

One-way from

$105
(Frontier)

Popular in

March

Cheapest in

September

Average price

$445

Good round-trip deal

$479 or less

Good one-way deal

$273 or less
Provider with most accurate pricing for Los Angeles-Nashville Intl flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Nashville Intl flights.
From Ontario to Tennessee
One-way flight from Ontario to Tennessee
Highest demand for flights based on searches. 16% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Ontario to Tennessee.
Price to beat on a one-way flight from Ontario to Tennessee.

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 May 12, 2026.
Use the filters below to find and compare flights from Ontario to Tennessee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Fri 7/17

10:00 pm-8:41 am

1 stop8h 41m

Nashville Intl

Fri 7/24

7:34 pm-11:48 pm

1 stop6h 14m

$321

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Wed 6/3

10:40 am-9:45 pm

1 stop9h 05m

Memphis

Wed 6/10

5:50 am-11:30 am

2 stops7h 40m

$342

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Wed 10/7

12:00 pm-10:24 pm

1 stop7h 24m

Blountville Tri Cities TN/VA

Mon 10/12

3:50 pm-10:14 pm

1 stop9h 24m

$359

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Thu 5/28

12:07 pm-11:53 pm

1 stop8h 46m

Chattanooga Lovell Field

Wed 6/3

5:40 am-10:57 am

1 stop8h 17m

$359

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Sun 5/24

10:00 pm-8:54 am

1 stop7h 54m

Chattanooga Lovell Field

Tue 6/2

4:31 pm-10:36 pm

1 stop9h 05m

$360

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Sat 5/30

2:18 pm-11:56 pm

1 stop6h 38m

Knoxville McGhee Tyson

Sat 6/6

8:11 pm-11:59 pm

1 stop6h 48m

$366

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Wed 5/27

10:00 pm-9:31 am

1 stop8h 31m

Blountville Tri Cities TN/VA

Sun 5/31

3:50 pm-9:48 pm

1 stop8h 58m

$369

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Fri 5/15

6:00 am-7:33 pm

1 stop10h 33m

Knoxville McGhee Tyson

Mon 5/18

8:32 pm-10:05 am

1 stop16h 33m

$383

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Tue 6/9

5:15 am-3:55 pm

2 stops8h 40m

Memphis

Tue 6/16

12:55 pm-8:00 pm

2 stops9h 05m

$386

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Mon 5/25

10:00 pm-10:42 am

1 stop9h 42m

Blountville Tri Cities TN/VA

Sat 5/30

4:12 pm-10:36 pm

1 stop9h 24m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Ontario to Tennessee?

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Tennessee. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Tennessee (average of $85). Flying from Ontario to Tennessee in March is currently the most expensive (average of $236). 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 May 12, 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.

How much does it cost to fly round-trip from Ontario to Tennessee?

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 May 12, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

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.

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

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.

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

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.

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

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.

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

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.

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

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?

  • How long is the flight from Ontario to Tennessee?

    A quick flight from Ontario to Tennessee can take about 6h 38m. Delta provides one of the quickest options available for as low as $366. Airlines will cover a distance of 1897 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 $74 on Frontier. Other airlines that offer cheap prices include American Airlines from $118 and United Airlines from $118 one-way.

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

  • What are the cheapest flights from Ontario to Tennessee?

    Looking for the cheapest flight from Ontario to Tennessee? While on average our users pay $412, our data indicates the cheapest price to be $195. The most popular route (Ontario - Nashville Intl), is priced around $242.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Tennessee (average of $85). Flying from Ontario to Tennessee in March is currently the most expensive (average of $236). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$123Average$247FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$138Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$155Average$422FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$405FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$225Average$331FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$429FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$310Average$486FlexibilityNo cancel feeOn-time63%

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