HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$55+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ONT
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Tennessee to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$129
(Frontier)

One-way from

$55
(Frontier)

Popular in

December

Cheapest in

September

Average price

$349

Good round-trip deal

$423 or less

Good one-way deal

$236 or less
Provider with most accurate pricing for Nashville Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Los Angeles flights.
Search Deals
From Tennessee to Ontario
Search Deals
One-way flight from Tennessee to Ontario
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Tennessee to Ontario.
Search Deals
Price to beat on a one-way flight from Tennessee to Ontario.
Search Deals

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 February 23, 2025.

This Frontier deal was found by Cheapflights users on 2/22. 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.
Wed 4/26:00 pmBNA - ONT
1 stop7h 59mFrontier
Tue 4/812:59 amONT - BNA
1 stop10h 13mFrontier
Deal found 2/22$129
This CheapOair deal was found by Cheapflights users on 2/21. 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.
Tue 4/17:53 pmMEM - ONT
1 stop6h 06mFrontier
Sat 4/512:59 amONT - MEM
1 stop15h 40mFrontier
Deal found 2/21$154
This Delta deal was found by Cheapflights users on 2/21. 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.
Fri 3/147:20 amBNA - ONT
1 stop11h 22mDelta
Fri 3/2111:42 amONT - BNA
1 stop10h 36mDelta
Deal found 2/21$223
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 4/34:15 pmBNA - ONT
1 stop9h 44mAlaska Airlines
Tue 4/86:00 amONT - BNA
1 stop15h 59mAlaska Airlines
Deal found 2/21$255
This Delta deal was found by Cheapflights users on 2/21. 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 4/125:45 amTYS - ONT
1 stop8h 44mDelta
Sat 4/1910:15 pmONT - TYS
1 stop8h 06mDelta
Deal found 2/21$289
This United Airlines deal was found by Cheapflights users on 2/22. 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 7/54:56 pmBNA - ONT
1 stop7h 30mUnited Airlines
Fri 7/116:43 pmONT - BNA
1 stop8h 39mUnited Airlines
Deal found 2/22$289
This American Airlines deal was found by Cheapflights users on 2/22. 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 4/15:39 amCHA - ONT
1 stop7h 22mAmerican Airlines
Mon 4/711:59 pmONT - CHA
1 stop8h 26mAmerican Airlines
Deal found 2/22$289
This American Airlines deal was found by Cheapflights users on 2/22. 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 4/126:21 pmTYS - ONT
1 stop6h 37mAmerican Airlines
Wed 4/166:00 amONT - TYS
2 stops10h 19mAmerican Airlines
Deal found 2/22$294
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 3/269:48 amBNA - ONT
2 stops7h 44mAmerican Airlines
Sun 3/3011:59 pmONT - BNA
1 stop7h 09mAmerican Airlines
Deal found 2/21$319
This Delta deal was found by Cheapflights users on 2/22. 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 3/114:51 pmMEM - ONT
1 stop7h 52mDelta
Wed 3/1912:46 pmONT - MEM
1 stop6h 30mDelta
Deal found 2/22$337
This Expedia deal was found by Cheapflights users on 2/21. 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.
Thu 3/1312:37 pmBNA - ONT
1 stop13h 32mMultiple Airlines
Mon 3/177:00 amONT - BNA
2 stops14h 59mMultiple Airlines
Deal found 2/21$338
This Delta deal was found by Cheapflights users on 2/22. 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 3/85:53 pmCHA - ONT
1 stop7h 59mDelta
Wed 3/127:00 amONT - CHA
1 stop5h 37mDelta
Deal found 2/22$339

Find flights from Tennessee to Ontario within your budget

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 February 23, 2025.

Fly from

Tennessee

Fly to

Ontario

Route

Depart

Return

Price

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Wed 4/2

6:00 pm-11:59 pm

1 stop7h 59m

Ontario

Tue 4/8

12:59 am-1:12 pm

1 stop10h 13m

$129

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 4/1

7:53 pm-11:59 pm

1 stop6h 06m

Ontario

Sat 4/5

12:59 am-6:39 pm

1 stop15h 40m

$154

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Fri 3/14

7:20 am-4:42 pm

1 stop11h 22m

Ontario

Fri 3/21

11:42 am-12:18 am

1 stop10h 36m

$223

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Thu 4/3

4:15 pm-11:59 pm

1 stop9h 44m

Ontario

Tue 4/8

6:00 am-11:59 pm

1 stop15h 59m

$255

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Sat 7/5

4:56 pm-10:26 pm

1 stop7h 30m

Ontario

Fri 7/11

6:43 pm-5:22 am

1 stop8h 39m

$289

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 4/1

5:39 am-10:01 am

1 stop7h 22m

Ontario

Mon 4/7

11:59 pm-11:25 am

1 stop8h 26m

$289

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sat 4/12

5:45 am-11:29 am

1 stop8h 44m

Ontario

Sat 4/19

10:15 pm-9:21 am

1 stop8h 06m

$289

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sat 4/12

6:21 pm-9:58 pm

1 stop6h 37m

Ontario

Wed 4/16

6:00 am-7:19 pm

2 stops10h 19m

$294

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

Wed 3/26

9:48 am-3:32 pm

2 stops7h 44m

Ontario

Sun 3/30

11:59 pm-9:08 am

1 stop7h 09m

$319

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 3/11

4:51 pm-10:43 pm

1 stop7h 52m

Ontario

Wed 3/19

12:46 pm-9:16 pm

1 stop6h 30m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 42 results
1
2
3
...
5

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.

Travel insights for flights from Tennessee to Ontario

Get recent, data-driven insights about flights from Tennessee to Ontario including ideal travel times, pricing trends, and more.

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 $315). 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 February 23, 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August 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 December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated February 23, 2025.
Read through reviews of airlines operating flights from Tennessee to Ontario, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,395 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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?

    Flights from Tennessee to Ontario have been viewed 2 times in the past calendar month.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from Hawaiian Airlines and Delta, as they are both options that can get you from Tennessee to Ontario for a low price.

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

    The most popular route from Tennessee to Ontario is Nashville Intl - Ontario. You may also consider Memphis - Ontario or Knoxville McGhee Tyson - Ontario.

  • What are the cheapest flights from Tennessee to Ontario?

    The cheapest flight price from Tennessee to Ontario is $230. On average you can expect to pay $364. The most popular route, (Nashville Intl - Ontario), can usually be booked for $223.

  • 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 $315). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Tennessee to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Newark to Las Vegas flights
Seattle to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Seattle to Los Angeles flights
Minneapolis to Las Vegas flights
O'Hare Intl to Los Angeles flights
Dulles Intl to Las Vegas flights
LaGuardia to Las Vegas flights
San Francisco to Las Vegas flights
Seattle to San Diego flights
Newark to San Francisco flights
Boston to Las Vegas flights
Dulles Intl to Los Angeles flights
Denver to Las Vegas flights
Seattle to San Francisco flights
Baltimore to Las Vegas flights
Los Angeles to Las Vegas flights
Atlanta to Las Vegas flights
LaGuardia to Los Angeles flights
San Francisco to Los Angeles flights
Dallas/Fort Worth to Los Angeles flights
Midway to Las Vegas flights
Reagan-National to Los Angeles flights
Seattle to Santa Ana flights
Baltimore to Los Angeles flights
Detroit to Las Vegas flights
Oakland to Las Vegas flights
Reagan-National to Las Vegas flights
O'Hare Intl to San Francisco flights
Boston to Los Angeles flights
Oakland to Los Angeles flights
Los Angeles to San Francisco flights
San Jose to Las Vegas flights
Santa Ana to Las Vegas flights
Burbank to Las Vegas flights
San Jose to Los Angeles flights
Dulles Intl to San Francisco flights
John F Kennedy Intl to San Diego flights
Portland to Los Angeles flights
Hobby to Las Vegas flights
Newark to San Diego flights
Philadelphia to Las Vegas flights
Fort Lauderdale to Las Vegas flights
Newark to Burbank flights
Los Angeles to Oakland flights

Top 7 airlines flying from Tennessee to Ontario

Discover the top 7 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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$108Average$186FlexibilityNo cancel feeOn-time65%
Ravn AlaskaCheapest$113Average$268FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$117Average$268FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$204Average$443FlexibilityNo cancel feeOn-time71%
DeltaCheapest$232Average$410FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$440FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$313Average$464FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.