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$69+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNA
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$227
(Mytrip)

One-way from

$69
(Priceline)

Popular in

March

Cheapest in

August

Average price

$355

Good round-trip deal

$393 or less

Good one-way deal

$209 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 ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 3, 2025.

This Mytrip deal was found by Cheapflights users on 6/30. 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.
mié. 8/1312:59 amONT - MEM
1 stop15h 49mFrontier
jue. 8/286:20 pmMEM - ONT
1 stop7h 30mFrontier
Deal found 6/30$227
This Mytrip deal was found by Cheapflights users on 7/2. 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.
vie. 7/115:21 pmONT - BNA
1 stop28h 41mFrontier
sáb. 7/267:00 amBNA - ONT
1 stop18h 50mFrontier
Deal found 7/2$233
This Frontier deal was found by Cheapflights users on 6/30. 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.
mié. 8/2012:59 amONT - TYS
1 stop15h 42mFrontier
jue. 8/288:36 pmTYS - ONT
1 stop6h 14mFrontier
Deal found 6/30$236
This Expedia deal was found by Cheapflights users on 7/1. 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.
mar. 10/147:47 pmONT - BNA
1 stop7h 53mMultiple Airlines
sáb. 10/254:38 pmBNA - ONT
1 stop9h 12mMultiple Airlines
Deal found 7/1$256
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 8/56:58 pmONT - BNA
1 stop8h 42mAlaska Airlines
mié. 8/69:00 amBNA - ONT
1 stop11h 04mAlaska Airlines
Deal found 7/2$259
This Delta deal was found by Cheapflights users on 7/3. 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.
sáb. 7/261:15 pmONT - BNA
1 stop6h 38mDelta
vie. 8/17:30 amBNA - ONT
1 stop6h 44mDelta
Deal found 7/3$265
This American Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 8/196:17 amONT - BNA
2 stops8h 44mAmerican Airlines
dom. 8/246:52 amBNA - ONT
1 stop7h 01mAmerican Airlines
Deal found 7/1$270
This Trip.com deal was found by Cheapflights users on 7/1. 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.
mié. 7/3012:59 amONT - TYS
1 stop18h 28mMultiple Airlines
dom. 8/33:54 pmTYS - ONT
1 stop10h 56mMultiple Airlines
Deal found 7/1$272
This Delta deal was found by Cheapflights users on 6/30. 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.
lun. 8/410:05 pmONT - TYS
1 stop8h 45mDelta
lun. 8/116:14 pmTYS - ONT
1 stop7h 06mDelta
Deal found 6/30$289
This Delta deal was found by Cheapflights users on 7/3. 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.
lun. 7/2810:05 pmONT - CHA
1 stop9h 00mDelta
sáb. 8/25:30 amCHA - ONT
1 stop8h 00mDelta
Deal found 7/3$289
This American Airlines deal was found by Cheapflights users on 7/3. 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.
jue. 8/212:31 pmONT - TYS
1 stop6h 22mAmerican Airlines
dom. 8/246:39 pmTYS - ONT
1 stop8h 29mAmerican Airlines
Deal found 7/3$290
This American Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 7/296:15 amONT - CHA
2 stops10h 31mAmerican Airlines
sáb. 8/24:39 pmCHA - ONT
1 stop7h 59mAmerican Airlines
Deal found 7/2$294

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 julio 3, 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

mié. 8/13

12:59 am-6:48 pm

1 stop15h 49m

Memphis

jue. 8/28

6:20 pm-11:50 pm

1 stop7h 30m

$227

OntarioNashville

ONT - BNA

ONTBNA

Ontario

mié. 7/30

5:21 pm-6:42 pm

1 stop23h 21m

Nashville Intl

mié. 8/6

6:20 am-9:09 am

1 stop28h 49m

$235

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

mié. 8/20

12:59 am-7:41 pm

1 stop15h 42m

Knoxville McGhee Tyson

jue. 8/28

8:36 pm-11:50 pm

1 stop6h 14m

$236

OntarioNashville

ONT - BNA

ONTBNA

Ontario

mar. 10/14

7:47 pm-5:40 am

1 stop7h 53m

Nashville Intl

sáb. 10/25

4:38 pm-11:50 pm

1 stop9h 12m

$256

OntarioNashville

ONT - BNA

ONTBNA

Ontario

mar. 8/5

6:58 pm-5:40 am

1 stop8h 42m

Nashville Intl

mié. 8/6

9:00 am-6:04 pm

1 stop11h 04m

$259

OntarioNashville

ONT - BNA

ONTBNA

Ontario

sáb. 7/26

1:15 pm-9:53 pm

1 stop6h 38m

Nashville Intl

lun. 8/4

7:30 am-12:14 pm

1 stop6h 44m

$265

OntarioNashville

ONT - BNA

ONTBNA

Ontario

lun. 8/25

2:57 pm-11:15 pm

1 stop6h 18m

Nashville Intl

mié. 9/3

7:35 am-11:56 am

1 stop6h 21m

$266

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

mié. 7/30

12:59 am-10:27 pm

1 stop18h 28m

Knoxville McGhee Tyson

dom. 8/3

3:54 pm-11:50 pm

1 stop10h 56m

$272

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

lun. 8/4

11:40 am-11:59 pm

1 stop9h 19m

Knoxville McGhee Tyson

sáb. 8/9

5:30 am-10:30 am

1 stop8h 00m

$289

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

lun. 7/28

10:05 pm-10:05 am

1 stop9h 00m

Chattanooga Lovell Field

sáb. 8/2

5:30 am-10:30 am

1 stop8h 00m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 44 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 $292). 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 julio 3, 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.

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 julio 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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 $69 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $132 and Delta from $133 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 - Knoxville McGhee Tyson or Ontario - Memphis 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 $363, our data indicates the cheapest price to be $178. The most popular route (Ontario - Nashville Intl), is priced around $225.

  • 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 $292). 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$84Average$196FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$183FlexibilityNo cancel feeOn-time62%
DeltaCheapest$197Average$419FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$239Average$451FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$277Average$403FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$277Average$442FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$336Average$453FlexibilityNo cancel feeOn-time63%

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