What is the cheapest airline that flies from Ontario to Tennessee?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Ontario to Tennessee

How many flights depart from Ontario to Tennessee on average per day?

The number of flights available between Ontario and Tennessee is 1 per day as of November 2025. The most frequent departure time is 12:00PM, with 60% of daily flights leaving in the afternoon.

How many flights depart from Ontario to Tennessee on average per week?

8 flights are operational weekly from Ontario to Tennessee as of November 2025. The most popular departure day for this route is Mon, with 38% of flights per week taking off on this day.

What airlines fly to Tennessee?

Delta, American Airlines and Southwest are the top three most popular airlines that fly to Tennessee from Ontario according to our data. Delta is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Tennessee. Keep in mind that there are 9 different airlines that fly to Tennessee on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Tennessee?

Prices for flights from Ontario Airport to Tennessee were last updated today.

How many operators does momondo search for flights from Ontario Airport to Tennessee?

As of November 2025, there are 7 operators available to choose from for flights from Ontario Airport to Tennessee.

How old do you have to be to fly from Ontario Airport to Tennessee?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Tennessee.

What documentation or ID do you need to fly to Tennessee?

The required travel and health documents for your Tennessee trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tennessee. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$61 Cheap Flights from Ontario to Tennessee in 2025/26

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Cheap round-trip flights

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6:00 am - 6:36 pmONT-BNA

10h 36m1 stop

7:31 pm - 10:59 pmBNA-ONT

29h 28m1 stop

$129Frontier

Find Deal

Fri, Jan 9 - Mon, Jan 12

6:00 am - 6:36 pmONT-BNA

10h 36m1 stop

7:31 pm - 10:59 pmBNA-ONT

29h 28m1 stop

$147Frontier

Find Deal

Thu, Jan 8 - Mon, Jan 12

6:10 am - 6:32 pmONT-BNA

10h 22m1 stop

5:44 pm - 3:07 pmBNA-ONT

23h 23m2 stops

$192Multiple Airlines

Find Deal

Fri, Jan 16 - Tue, Jan 20

6:00 am - 4:49 pmONT-MEM

8h 49m1 stop

8:58 pm - 3:09 pmMEM-ONT

20h 11m1 stop

$197Multiple Airlines

Find Deal

Wed, Dec 31 - Mon, Jan 5

1:15 pm - 11:52 pmONT-TYS

7h 37m1 stop

5:00 pm - 9:05 pmTYS-ONT

7h 05m1 stop

$319Delta

Find Deal

Tue, Feb 24 - Sat, Feb 28

9:59 am - 10:47 pmONT-TYS

9h 48m2 stops

6:00 am - 10:08 amTYS-ONT

7h 08m1 stop

$324American Airlines

Find Deal

Sat, Jan 17 - Tue, Jan 20

5:05 am - 8:44 pmONT-CHA

12h 39m2 stops

5:20 pm - 10:11 pmCHA-ONT

7h 51m1 stop

$324United Airlines

Find Deal

Sat, Jan 10 - Fri, Apr 10

6:32 pm - 10:32 amONT-TYS

13h 00m2 stops

1:59 pm - 10:53 pmTYS-ONT

11h 54m2 stops

$329United Airlines

Find Deal

Sat, Jan 17 - Tue, Jan 20

12:12 pm - 11:26 pmONT-CHA

8h 14m1 stop

4:06 pm - 10:05 pmCHA-ONT

8h 59m1 stop

$359Delta

Find Deal

Tue, Dec 9 - Sat, Dec 13

10:47 am - 11:15 pmONT-CHA

9h 28m2 stops

8:45 am - 4:02 pmCHA-ONT

10h 17m2 stops

$369American Airlines

Find Deal

Tue, Dec 9 - Sat, Dec 13

Frontier flights from Ontario to Tennessee

Our best Frontier deals on Ontario to Tennessee flight tickets

Frontier

Jan 9

ONT6:00 amOntario

10h 36m

1 stop

BNA6:36 pmNashville Intl

Jan 12

BNA7:31 pmNashville Intl

29h 28m

1 stop

ONT10:59 pmOntario

$129

Find similar

Frontier

Jan 8

ONT6:00 amOntario

10h 36m

1 stop

BNA6:36 pmNashville Intl

Jan 12

BNA7:31 pmNashville Intl

29h 28m

1 stop

ONT10:59 pmOntario

$147

Find similar

Frontier

Jan 9

ONT6:00 amOntario

10h 36m

1 stop

BNA6:36 pmNashville Intl

Jan 12

BNA7:31 pmNashville Intl

24h 23m

2 stops

ONT5:54 pmOntario

$162

Find similar

United Airlines flights from Ontario to Tennessee

Our best United Airlines deals on Ontario to Tennessee flight tickets

United Airlines

Jan 10

ONT5:05 amOntario

12h 39m

2 stops

CHA8:44 pmChattanooga Lovell Field

Apr 10

CHA5:20 pmChattanooga Lovell Field

7h 51m

1 stop

ONT10:11 pmOntario

$324

Find similar

United Airlines

Jan 17

ONT6:32 pmOntario

13h 00m

2 stops

TYS10:32 amKnoxville McGhee Tyson

Jan 20

TYS1:59 pmKnoxville McGhee Tyson

11h 54m

2 stops

ONT10:53 pmOntario

$329

Find similar

United Airlines

Dec 29

ONT11:59 pmOntario

7h 16m

1 stop

TYS10:15 amKnoxville McGhee Tyson

Jan 10

TYS4:25 pmKnoxville McGhee Tyson

7h 33m

1 stop

ONT8:58 pmOntario

$368

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Fri 1/9

6:00 am-6:36 pm

1 stop10h 36m

Nashville Intl

Mon 1/12

7:31 pm-10:59 pm

1 stop29h 28m

$129

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 1/8

6:00 am-6:36 pm

1 stop10h 36m

Nashville Intl

Mon 1/12

7:31 pm-10:59 pm

1 stop29h 28m

$147

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Fri 1/16

6:10 am-6:32 pm

1 stop10h 22m

Nashville Intl

Tue 1/20

5:44 pm-3:07 pm

2 stops23h 23m

$192

OntarioMemphis

ONT - MEM

ONTMEM

Ontario

Wed 12/31

6:00 am-4:49 pm

1 stop8h 49m

Memphis

Mon 1/5

8:58 pm-3:09 pm

1 stop20h 11m

$197

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Tue 2/24

1:15 pm-11:52 pm

1 stop7h 37m

Knoxville McGhee Tyson

Sat 2/28

5:00 pm-9:05 pm

1 stop7h 05m

$319

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Sat 1/17

9:59 am-10:47 pm

2 stops9h 48m

Knoxville McGhee Tyson

Tue 1/20

6:00 am-10:08 am

1 stop7h 08m

$324

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Sat 1/10

5:05 am-8:44 pm

2 stops12h 39m

Chattanooga Lovell Field

Fri 4/10

5:20 pm-10:11 pm

1 stop7h 51m

$324

OntarioKnoxville

ONT - TYS

ONTTYS

Ontario

Sat 1/17

6:32 pm-10:32 am

2 stops13h 00m

Knoxville McGhee Tyson

Tue 1/20

1:59 pm-10:53 pm

2 stops11h 54m

$329

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 12/9

12:12 pm-11:26 pm

1 stop8h 14m

Chattanooga Lovell Field

Sat 12/13

4:06 pm-10:05 pm

1 stop8h 59m

$359

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 12/9

10:47 am-11:15 pm

2 stops9h 28m

Chattanooga Lovell Field

Sat 12/13

8:45 am-4:02 pm

2 stops10h 17m

$369

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How to get the cheapest flight ticket from Ontario to Tennessee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Tennessee?

The cheapest month to fly to Tennessee from Ontario is in February. Flight prices, which tend to average around $313, are often lower during this time because this is during the off-season. If you don’t want to visit Tennessee in February, then you should wait until August to fly from Ontario, when ticket prices are also cheap, with an average price of $313.

What is the cheapest day to depart on your flight to Tennessee?

The cheapest day to depart from Ontario to Tennessee is on a Saturday. Travelers who choose to depart for Tennessee on a Saturday will often find tickets for as low as $468. Flights from Ontario to Tennessee on a Sunday will generally be more expensive and average around $539. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Tennessee?

The cheapest time of day to fly to Tennessee is in the afternoon when flights can be purchased for as low as $231. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $513 on average. Flights to Tennessee from Ontario at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Ontario to Tennessee flight route?

Fly from Ontario to Nashville Intl for the best Ontario - Tennessee flight prices

How far in advance should I book a flight to Tennessee?

You are more likely to see cheaper flights to Tennessee from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Tennessee for around $404 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tennessee from Ontario for as low as $320 on momondo.

What cabin class options are available on Ontario to Tennessee flights?

There is only 1 cabin class available to choose from on Ontario to Tennessee flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Ontario to Tennessee flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Tennessee

Best Price Found	$224
Fastest flight time	3h 40m
Direct flights	Every day
Airports in Tennessee	1 airport

The best one-way flight to Tennessee from Ontario in the past 72 hours is $224. The best round-trip flight deal from Ontario to Tennessee found on momondo in the last 72 hours is $504.

The fastest flight from Ontario to Tennessee takes 3h 40m

Direct flights go from Ontario to Tennessee every day.

There is 1 airport near Tennessee: Nashville Intl (BNA)

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Tennessee?
Prices for flights from Ontario Airport to Tennessee were last updated today.
How many operators does momondo search for flights from Ontario Airport to Tennessee?
As of November 2025, there are 7 operators available to choose from for flights from Ontario Airport to Tennessee.
How old do you have to be to fly from Ontario Airport to Tennessee?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Tennessee.
What documentation or ID do you need to fly to Tennessee?
The required travel and health documents for your Tennessee trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tennessee. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ontario to Tennessee?
Based on momondo bookings for flights between Ontario and Tennessee, the leading plane model is Boeing 737 MAX 8, making up 20.79% of the total bookings. Other popular models include Airbus A321neo with 13.48%, Airbus A318/A319/A320/A321 with 12.36%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 9.55%.

Best airlines flying from Ontario to Tennessee

Compare and see reviews for airlines that fly from Ontario to Tennessee with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $98	Free Cancellation	Rating 6.3 8,158 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $130	Free Cancellation	Rating 5.8 3,099 reviews	Search Frontier flights
Delta	PriceFrom $239	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
United Airlines	PriceFrom $264	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $278	Free Cancellation	Rating 8.0 11,354 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $336	Free Cancellation	Rating 8.0 4,254 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Tennessee?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Tennessee. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Tennessee with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Tennessee from Ontario with this policy.

How can momondo help me find flights from Ontario to Tennessee?

Once you have performed a search for Ontario to Tennessee flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Tennessee right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Tennessee, momondo offers a useful price alert feature which will track prices for flights to Tennessee from Ontario and alert you when they change.

An easier way to manage your Tennessee trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Tennessee

Popular cities in Tennessee

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Cheap flights from Ontario to Tennessee from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Tennessee departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Ontario to Tennessee

Cheap round-trip flights

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Frontier flights from Ontario to Tennessee

Our best Frontier deals on Ontario to Tennessee flight tickets

United Airlines flights from Ontario to Tennessee

Our best United Airlines deals on Ontario to Tennessee flight tickets

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

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How to get the cheapest flight ticket from Ontario to Tennessee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Tennessee?

What is the cheapest day to depart on your flight to Tennessee?

What is the cheapest time of day to depart on your flight to Tennessee?

What is the cheapest Ontario to Tennessee flight route?

Fly from Ontario to Nashville Intl for the best Ontario - Tennessee flight prices

How far in advance should I book a flight to Tennessee?

What cabin class options are available on Ontario to Tennessee flights?

There is only 1 cabin class available to choose from on Ontario to Tennessee flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Ontario to Tennessee?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Ontario to Tennessee

What airlines fly to Tennessee?

How many flights depart from Ontario to Tennessee on average per day?

The number of flights available between Ontario and Tennessee is 1 per day as of November 2025. The most frequent departure time is 12:00PM, with 60% of daily flights leaving in the afternoon.

How many flights depart from Ontario to Tennessee on average per week?

8 flights are operational weekly from Ontario to Tennessee as of November 2025. The most popular departure day for this route is Mon, with 38% of flights per week taking off on this day.

Cheap Ontario to Tennessee flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Tennessee

Best Price Found

Fastest flight time

Direct flights

Airports in Tennessee

When did momondo last update prices for flights from Ontario Airport to Tennessee?

How many operators does momondo search for flights from Ontario Airport to Tennessee?

How old do you have to be to fly from Ontario Airport to Tennessee?

What documentation or ID do you need to fly to Tennessee?

What is the most popular plane model from Ontario to Tennessee?

Best airlines flying from Ontario to Tennessee

Compare and see reviews for airlines that fly from Ontario to Tennessee with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Tennessee?

Can I find flights from Ontario to Tennessee with flexible booking policies on momondo?

How can momondo help me find flights from Ontario to Tennessee?

I’m not ready to book a flight from Ontario to Tennessee right now. Can momondo alert me if prices change?

An easier way to manage your Tennessee trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Tennessee

Popular cities in Tennessee

Popular flights according to clicks in the last 7 days on momondo