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

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

What airlines fly to Ontario?

Delta, American Airlines and Southwest are the top three most popular airlines that fly to Ontario from Tennessee according to our data. Delta is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ontario?

Average flight duration from Tennessee to Ontario depends on which airport you fly into and out of. Flying from Memphis to Los Angeles is 4h 06m on average, while flying from Nashville to Los Angeles is 4h 15m on average. Los Angeles is the most popular airport in Ontario.

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

Prices for flights from Tennessee to Ontario Airport refresh daily.

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

As of February 2026, there are 5 operators available to choose from for flights from Tennessee to Ontario Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tennessee to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$76 Cheap Flights from Tennessee to Ontario in 2026

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Find the cheapest flights from Tennessee to Los Angeles

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 pm - 7:14 pm

BNA

ONT

24h 29m

1 stop

6:43 pm - 5:08 am

ONT

BNA

8h 25m

1 stop

$174Multiple Airlines

fr., feb. 27 - ma., mar. 2

8:45 pm - 7:14 pm

BNA

ONT

24h 29m

1 stop

3:28 pm - 5:08 am

ONT

BNA

11h 40m

1 stop

$175Multiple Airlines

fr., feb. 27 - ma., mar. 2

3:24 pm - 11:55 pm

BNA

ONT

10h 31m

1 stop

12:59 am - 2:29 pm

ONT

BNA

11h 30m

1 stop

$190Frontier

to., apr. 23 - sø., apr. 26

8:06 pm - 11:59 pm

MEM

ONT

5h 53m

1 stop

2:08 pm - 7:11 pm

ONT

MEM

27h 03m

1 stop

$220Frontier

fr., feb. 20 - to., feb. 26

2:53 pm - 9:00 pm

CHA

ONT

9h 07m

1 stop

10:25 pm - 8:59 am

ONT

CHA

7h 34m

1 stop

$309Delta

ma., mar. 9 - lø., mar. 14

5:20 pm - 9:50 pm

CHA

ONT

7h 30m

1 stop

11:05 am - 11:59 pm

ONT

CHA

9h 54m

2 stops

$314United Airlines

fr., apr. 17 - ti., apr. 21

5:10 pm - 9:00 pm

TYS

ONT

6h 50m

1 stop

10:25 pm - 9:16 am

ONT

TYS

7h 51m

1 stop

$319Delta

on., mar. 11 - ti., mar. 17

1:59 pm - 10:45 pm

CHA

ONT

11h 46m

2 stops

11:05 am - 11:59 pm

ONT

CHA

9h 54m

2 stops

$319United Airlines

fr., apr. 17 - ti., apr. 21

12:21 pm - 7:09 pm

TYS

ONT

9h 48m

2 stops

7:59 pm - 8:42 am

ONT

TYS

9h 43m

2 stops

$329American Airlines

ti., mar. 10 - ti., mar. 17

12:16 pm - 6:42 pm

CHA

ONT

9h 26m

1 stop

11:58 pm - 11:46 am

ONT

CHA

8h 48m

1 stop

$334American Airlines

ti., mar. 3 - sø., mar. 8

Southwest flights from Tennessee to Ontario

Our best Southwest deals on Tennessee to Ontario flight tickets

Southwest

Mar 4

MEM8:15 amMemphis

8h 20m

2 stops

ONT2:35 pmOntario

Mar 18

ONT6:00 amOntario

8h 25m

2 stops

MEM4:25 pmMemphis

$412

Southwest

May 1

MEM5:40 amMemphis

7h 15m

2 stops

ONT10:55 amOntario

May 4

ONT12:50 pmOntario

8h 10m

2 stops

MEM11:00 pmMemphis

$421

Southwest

Feb 18

MEM10:35 amMemphis

8h 35m

2 stops

ONT5:10 pmOntario

Feb 22

ONT12:10 pmOntario

7h 55m

2 stops

MEM10:05 pmMemphis

$597

Frontier flights from Tennessee to Ontario

Our best Frontier deals on Tennessee to Ontario flight tickets

Frontier

Apr 23

BNA12:09 pmNashville Intl

13h 15m

1 stop

ONT11:24 pmOntario

Apr 26

ONT12:59 amOntario

11h 30m

1 stop

BNA2:29 pmNashville Intl

$190

Frontier

Mar 2

BNA7:35 pmNashville Intl

6h 24m

1 stop

ONT11:59 pmOntario

Mar 10

ONT6:15 amOntario

6h 01m

1 stop

BNA2:16 pmNashville Intl

$211

Frontier

Feb 20

MEM8:06 pmMemphis

5h 53m

1 stop

ONT11:59 pmOntario

Feb 26

ONT2:08 pmOntario

27h 03m

1 stop

MEM7:11 pmMemphis

$220

Fly from

Fly to

Route

Depart

Return

Price

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

fr. 2/27

8:45 pm-7:14 pm

1 stop24h 29m

Ontario

ma. 3/2

6:43 pm-5:08 am

1 stop8h 25m

$174

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

fr. 2/27

8:45 pm-7:14 pm

1 stop24h 29m

Ontario

ma. 3/2

3:28 pm-5:08 am

1 stop11h 40m

$175

NashvilleOntario

BNA - ONT

BNAONT

Nashville Intl

to. 4/23

3:24 pm-11:55 pm

1 stop10h 31m

Ontario

sø. 4/26

12:59 am-2:29 pm

1 stop11h 30m

$190

MemphisOntario

MEM - ONT

MEMONT

Memphis

fr. 2/20

8:06 pm-11:59 pm

1 stop5h 53m

Ontario

to. 2/26

2:08 pm-7:11 pm

1 stop27h 03m

$220

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

ma. 3/9

2:53 pm-9:00 pm

1 stop9h 07m

Ontario

lø. 3/14

10:25 pm-8:59 am

1 stop7h 34m

$309

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

fr. 4/17

5:20 pm-9:50 pm

1 stop7h 30m

Ontario

ti. 4/21

11:05 am-11:59 pm

2 stops9h 54m

$314

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

on. 3/11

5:10 pm-9:00 pm

1 stop6h 50m

Ontario

ti. 3/17

10:25 pm-9:16 am

1 stop7h 51m

$319

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

fr. 4/17

1:59 pm-10:45 pm

2 stops11h 46m

Ontario

ti. 4/21

11:05 am-11:59 pm

2 stops9h 54m

$319

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

ti. 3/10

12:21 pm-7:09 pm

2 stops9h 48m

Ontario

ti. 3/17

7:59 pm-8:42 am

2 stops9h 43m

$329

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

ti. 3/3

12:16 pm-6:42 pm

1 stop9h 26m

Ontario

sø. 3/8

11:58 pm-11:46 am

1 stop8h 48m

$334

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Tennessee to Ontario

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 Ontario?

In general, August is the cheapest month to fly from Tennessee to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $279. If you aren’t able to travel during the month of August, then book flights to Ontario from Tennessee during April instead. Flights to Ontario in April, while not as cheap as those in August, still average around $320.

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

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $464. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Tennessee to Ontario for around $616.

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

At noon is the cheapest time of day to fly from Tennessee to Ontario when you can find flight prices for as low as $504. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $541 on average. Flights to Ontario from Tennessee in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Tennessee to Ontario flight route?

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

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

You are more likely to see cheaper flights to Ontario from Tennessee when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $396 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Tennessee for as low as $292 on momondo.

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

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

Cheap Tennessee to Ontario flight deals and tips

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

Best Price Found	$258
Fastest flight time	4h 05m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Tennessee in the past 72 hours is $258. The best round-trip flight deal from Tennessee to Ontario found on momondo in the last 72 hours is $457.

The fastest flight from Tennessee to Ontario takes 4h 05m

Direct flights go from Tennessee to Ontario every day.

There is 1 airport in Ontario. From Tennessee there are direct flights to Ontario (ONT).

Search flight deals

When did momondo last update prices for flights from Tennessee to Ontario Airport?
Prices for flights from Tennessee to Ontario Airport refresh daily.
How many operators does momondo search for flights from Tennessee to Ontario Airport?
As of February 2026, there are 5 operators available to choose from for flights from Tennessee to Ontario Airport.
How old do you have to be to fly from Tennessee to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tennessee to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Tennessee to Ontario?
momondo data reveals that the most frequently booked plane model on the route from Tennessee to Ontario is Airbus A320neo, representing 29.63% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 22.22%, Boeing 737-800 at 18.52%, and Boeing 737 MAX 8 at 7.41%.

Best airlines flying from Tennessee to Ontario

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $55	Free Cancellation	Rating 5.7 3,051 reviews	Search Frontier flights
Delta	PriceFrom $157	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights
United Airlines	PriceFrom $219	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
American Airlines	PriceFrom $246	Free Cancellation	Rating 7.2 11,216 reviews	Search American Airlines flights
Southwest	PriceFrom $280	Free Cancellation	Rating 8.0 4,272 reviews	Search Southwest flights

Why use momondo?

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

Finding the right flight to Ontario from Tennessee is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Flights from Tennessee to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Tennessee to Ontario 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 Tennessee to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Tennessee. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ontario 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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Cheap flights from Tennessee to Los Angeles from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tennessee to Los Angeles departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Tennessee to Ontario

Our best Southwest deals on Tennessee to Ontario flight tickets

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Our best Frontier deals on Tennessee to Ontario flight tickets

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

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How to get the cheapest flight ticket from Tennessee to Ontario

What is the cheapest month to fly to Ontario?

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

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

What is the cheapest Tennessee to Ontario flight route?

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

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

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

There is only 1 cabin class available to choose from on Tennessee to Ontario 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 Tennessee to Ontario?

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

What airlines fly to Ontario?

How long does it take to fly to Ontario?

Average flight duration from Tennessee to Ontario depends on which airport you fly into and out of. Flying from Memphis to Los Angeles is 4h 06m on average, while flying from Nashville to Los Angeles is 4h 15m on average. Los Angeles is the most popular airport in Ontario.

Cheap Tennessee to Ontario flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Ontario

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

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

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

What documentation or ID do you need to fly to Ontario Airport?

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

Best airlines flying from Tennessee to Ontario

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

Why use momondo?

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

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

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

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

An easier way to manage your Ontario 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 the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

Popular cities in the United States

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

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