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

United Airlines is the most popular carrier operating from Ontario to Toronto

What airlines fly to Toronto?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Toronto from Ontario according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 8 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Ontario to Toronto?

Flights via Denver (DEN) offer the lowest average round-trip price of $764.

Which airport is the most popular layover for flights between Ontario and Toronto?

Denver (DEN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Ontario to Toronto?

Dallas (DFW) has the shortest average layover time for this route: 1h 13m.

Which layover airport has the shortest travel time from Ontario to Toronto?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 07m.

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

Prices for flights from Ontario Airport to Toronto are updated daily.

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

The number of operators available for flights from Ontario Airport to Toronto is 4 as of November 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Toronto.

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

The required travel and health documents for your Toronto 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 Toronto. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$145 Cheap Flights from Ontario to Toronto in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Toronto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 6:52 amONT Ontario-YYZ Toronto Pearson Intl

19h 52m1 stop Las Vegas Harry Reid Intl

9:10 am - 11:51 amYYZ Toronto Pearson Intl-ONT Ontario

29h 41m2 stops Winnipeg Las Vegas Harry Reid Intl

$346Multiple Airlines

Fri, Dec 4 - Thu, Dec 10

2:00 pm - 5:00 amONT Ontario-YYZ Toronto Pearson Intl

12h 00m2 stops Las Vegas Harry Reid Intl Calgary

8:30 pm - 11:51 amYYZ Toronto Pearson Intl-ONT Ontario

18h 21m1 stop Las Vegas Harry Reid Intl

$369Multiple Airlines

Tue, Dec 1 - Mon, Dec 7

6:20 am - 11:44 pmONT Ontario-YYZ Toronto Pearson Intl

14h 24m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

3:21 pm - 11:13 pmYYZ Toronto Pearson Intl-ONT Ontario

10h 52m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$676American Airlines

Tue, Jan 12 - Wed, Jan 20

12:20 pm - 11:25 amONT Ontario-YYZ Toronto Pearson Intl

20h 05m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

7:45 am - 8:58 pmYYZ Toronto Pearson Intl-ONT Ontario

16h 13m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

$680Delta

Fri, Dec 4 - Wed, Dec 9

12:20 pm - 11:25 amONT Ontario-YYZ Toronto Pearson Intl

20h 05m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

6:00 am - 8:58 pmYYZ Toronto Pearson Intl-ONT Ontario

17h 58m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

$680Delta

Sat, Dec 5 - Wed, Dec 9

5:00 am - 3:02 pmONT Ontario-YYZ Toronto Pearson Intl

7h 02m1 stop Denver Intl

4:10 pm - 9:11 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 01m1 stop Denver Intl

$687United Airlines

Sun, Nov 22 - Tue, Dec 1

5:00 am - 3:02 pmONT Ontario-YYZ Toronto Pearson Intl

7h 02m1 stop Denver Intl

4:10 pm - 9:11 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 01m1 stop Denver Intl

$687Air Canada

Sun, Nov 22 - Tue, Dec 1

5:00 am - 3:02 pmONT Ontario-YYZ Toronto Pearson Intl

7h 02m1 stop Denver Intl

4:10 pm - 9:11 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 01m1 stop Denver Intl

$689United Airlines

Sat, Nov 28 - Mon, Dec 7

12:51 pm - 10:55 pmONT Ontario-YYZ Toronto Pearson Intl

7h 04m1 stop Dallas/Fort Worth

6:10 am - 11:59 amYYZ Toronto Pearson Intl-ONT Ontario

8h 49m1 stop Dallas/Fort Worth

$691American Airlines

Thu, Dec 24 - Thu, Dec 31

5:00 am - 6:37 pmONT Ontario-YYZ Toronto Pearson Intl

10h 37m1 stop Denver Intl

2:55 pm - 9:00 pmYYZ Toronto Pearson Intl-ONT Ontario

9h 05m1 stop Denver Intl

$704Air Canada

Fri, Dec 11 - Sun, Jan 10

Cheap last minute flights

Enter your travel dates to find the best prices.

6:37 pm - 6:55 pmONT Ontario-YYZ Toronto Pearson Intl

45h 18m2 stops Guadalajara Miguel Hidal Puerto Vallarta Ordaz

9:50 am - 11:23 pmYYZ Toronto Pearson Intl-ONT Ontario

16h 33m1 stop San Francisco

$581Multiple Airlines

Fri, Nov 13 - Thu, Dec 10

5:07 pm - 1:40 pmONT Ontario-YYZ Toronto Pearson Intl

17h 33m2 stops Las Vegas Harry Reid Intl Orlando

11:30 am - 4:21 pmYYZ Toronto Pearson Intl-ONT Ontario

7h 51m1 stop Las Vegas Harry Reid Intl

$596Multiple Airlines

Wed, Nov 11 - Tue, Nov 17

6:00 am - 10:51 pmONT Ontario-YYZ Toronto Pearson Intl

13h 51m2 stops Salt Lake City New York John F Kennedy Intl

12:15 pm - 11:49 pmYYZ Toronto Pearson Intl-ONT Ontario

14h 34m2 stops New York John F Kennedy Intl Salt Lake City

$762Delta

Sat, Nov 14 - Wed, Nov 18

11:10 pm - 5:14 pmONT Ontario-YYZ Toronto Pearson Intl

15h 04m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

12:15 pm - 11:49 pmYYZ Toronto Pearson Intl-ONT Ontario

14h 34m2 stops New York John F Kennedy Intl Salt Lake City

$782Delta

Fri, Nov 13 - Wed, Nov 18

5:00 am - 3:02 pmONT Ontario-YYZ Toronto Pearson Intl

7h 02m1 stop Denver Intl

4:10 pm - 8:51 pmYYZ Toronto Pearson Intl-ONT Ontario

7h 41m1 stop Denver Intl

$819United Airlines

Wed, Nov 11 - Sat, Nov 21

7:00 am - 4:47 pmONT Ontario-YYZ Toronto Pearson Intl

6h 47m1 stop Chicago O'Hare Intl

3:45 pm - 9:40 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 55m1 stop Houston George Bush Intcntl

$819United Airlines

Thu, Nov 12 - Sat, Nov 21

11:59 pm - 2:34 pmONT Ontario-YYZ Toronto Pearson Intl

11h 35m2 stops Dallas/Fort Worth Chicago O'Hare Intl

2:01 pm - 6:42 pmYYZ Toronto Pearson Intl-ONT Ontario

7h 41m1 stop Dallas/Fort Worth

$829American Airlines

Fri, Nov 13 - Wed, Nov 18

11:59 pm - 2:34 pmONT Ontario-YYZ Toronto Pearson Intl

11h 35m2 stops Dallas/Fort Worth Chicago O'Hare Intl

2:01 pm - 6:42 pmYYZ Toronto Pearson Intl-ONT Ontario

7h 41m1 stop Dallas/Fort Worth

$829American Airlines

Fri, Nov 13 - Wed, Nov 18

5:00 am - 3:02 pmONT Ontario-YYZ Toronto Pearson Intl

7h 02m1 stop Denver Intl

5:10 pm - 10:48 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 38m1 stop San Francisco

$921Air Canada

Mon, Nov 9 - Mon, Nov 9

6:00 am - 4:08 pmONT Ontario-YYZ Toronto Pearson Intl

7h 08m1 stop San Francisco

6:30 am - 12:29 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 59m1 stop San Francisco

$937Air Canada

Mon, Nov 9 - Sat, Nov 21

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Ontario to Toronto

Our best United Airlines deals on Ontario to Toronto flight tickets

United Airlines

Nov 22

ONT5:00 amOntario

7h 02m

1 stop

YYZ3:02 pmToronto Pearson Intl

Dec 1

YYZ4:10 pmToronto Pearson Intl

8h 01m

1 stop

ONT9:11 pmOntario

$687

United Airlines

Nov 19

ONT6:00 amOntario

7h 08m

1 stop

YYZ4:08 pmToronto Pearson Intl

Nov 25

YYZ5:10 pmToronto Pearson Intl

8h 38m

1 stop

ONT10:48 pmOntario

$711

United Airlines

Dec 2

ONT11:20 amOntario

19h 47m

2 stops

YTZ10:07 amToronto Island

Dec 6

YTZ12:05 pmToronto Island

9h 39m

1 stop

ONT6:44 pmOntario

$835

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Fri 12/4

8:00 am-6:52 am

1 stop19h 52m

Toronto Pearson Intl

Thu 12/10

9:10 am-11:51 am

2 stops29h 41m

$346

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Tue 12/1

2:00 pm-5:00 am

2 stops12h 00m

Toronto Pearson Intl

Mon 12/7

8:30 pm-11:51 am

1 stop18h 21m

$369

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Tue 1/12

6:20 am-11:44 pm

2 stops14h 24m

Toronto Pearson Intl

Wed 1/20

3:21 pm-11:13 pm

2 stops10h 52m

$676

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Fri 12/4

12:20 pm-11:25 am

2 stops20h 05m

Toronto Pearson Intl

Wed 12/9

7:45 am-8:58 pm

2 stops16h 13m

$680

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Sat 12/5

12:20 pm-11:25 am

2 stops20h 05m

Toronto Pearson Intl

Wed 12/9

6:00 am-8:58 pm

2 stops17h 58m

$680

Quickest round-trip

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Sun 11/22

5:00 am-3:02 pm

1 stop7h 02m

Toronto Pearson Intl

Tue 12/1

4:10 pm-9:11 pm

1 stop8h 01m

$687

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Sun 11/22

5:00 am-3:02 pm

1 stop7h 02m

Toronto Pearson Intl

Tue 12/1

4:10 pm-9:11 pm

1 stop8h 01m

$687

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Sat 11/28

5:00 am-3:02 pm

1 stop7h 02m

Toronto Pearson Intl

Mon 12/7

4:10 pm-9:11 pm

1 stop8h 01m

$689

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Thu 12/24

12:51 pm-10:55 pm

1 stop7h 04m

Toronto Pearson Intl

Thu 12/31

6:10 am-11:59 am

1 stop8h 49m

$691

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Fri 12/11

5:00 am-6:37 pm

1 stop10h 37m

Toronto Pearson Intl

Sun 1/10

2:55 pm-9:00 pm

1 stop9h 05m

$704

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Toronto

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

Layovers

What is the cheapest month to fly to Toronto?

The month of April is, on average, the cheapest month to fly to Toronto from Ontario, with most prices found around $486. If you are unable to visit Toronto during the month of April, then departing from Ontario during the month May is also very affordable. Most momondo users find prices during this month for around $491.

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

On average, the least expensive day to fly to Toronto from Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $551. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Sunday, with ticket prices averaging around $732.

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

At noon is the cheapest time of day to fly from Ontario to Toronto when you can find flight prices for as low as $489. Flying to Toronto at noon is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the morning, with an average ticket price of $664. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Ontario to Toronto flights?

You could potentially save up to 30% on your flight if you consider stops on a Ontario to Toronto flight.

When to book flights from Ontario to Toronto

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Toronto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Toronto (ONT to YTO) flight deals and tips

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

Best Price Found	$145
Fastest flight time	6h 41m
Direct flights	None

The best one-way flight to Toronto from Ontario in the past 72 hours is $145. The best round-trip flight deal from Ontario to Toronto found on momondo in the last 72 hours is $346.

The fastest flight from Ontario to Toronto takes 6h 41m

There are no direct flights from Ontario to Toronto. There are no popular flight routes from Ontario to Toronto.

Search flight deals

Frequently asked questions about flying from Ontario to Toronto

How far is Ontario to Toronto by plane?
A flight from Ontario to Toronto will travel around 2139.9 mi. In terms of flight time, this usually takes a little over 6h 41m.
When did momondo last update prices for flights from Ontario Airport to Toronto?
Prices for flights from Ontario Airport to Toronto are updated daily.
How many operators does momondo search for flights from Ontario Airport to Toronto?
The number of operators available for flights from Ontario Airport to Toronto is 4 as of November 2026.
How old do you have to be to fly from Ontario Airport to Toronto?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Toronto.
What documentation or ID do you need to fly to Toronto?
The required travel and health documents for your Toronto 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 Toronto. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Toronto?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Toronto is United Airlines (41% of total bookings). The next most popular airlines are Delta (31%) and American Airlines (28%).

Best airlines flying from Ontario to Toronto

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $234	Free Cancellation	Rating 7.8 8,702 reviews	Search Delta flights
Air Canada	PriceFrom $313	Free Cancellation	Rating 7.1 11,875 reviews	Search Air Canada flights
United Airlines	PriceFrom $320	Free Cancellation	Rating 7.3 10,472 reviews	Search United Airlines flights
American Airlines	PriceFrom $492	Free Cancellation	Rating 7.0 12,232 reviews	Search American Airlines flights

Why use momondo?

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

Finding the right flight to Toronto from Ontario 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 Toronto quick and easy, saving you time and money.

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

Yes. All flights to Toronto from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Toronto.

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

Yes momondo offers price alerts on flights to Toronto from Ontario. 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 Toronto 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 12/8

Tue 12/15

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Nearby airports

Airlines

Cabin classes

Other Canada destinations

Other flights from Ontario

Complete your trip

Feeling lucky

Fly into one of these airports located in Toronto

Toronto Region of Waterloo Intl Airport

Toronto Island Airport

Toronto Pearson Intl Airport

Cheap flights from Ontario to Toronto from $145

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 Toronto departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to Toronto

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Ontario to Toronto

Our best United Airlines deals on Ontario to Toronto flight tickets

momondo Fare Finder

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

See travel insights to Toronto from

How to get the cheapest flight ticket from Ontario to Toronto

What is the cheapest month to fly to Toronto?

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

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

Can stopping save me money on Ontario to Toronto flights?

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

What airlines fly to Toronto?

Which airport is the most popular layover for flights between Ontario and Toronto?

Which layover airport offers the lowest fares from Ontario to Toronto?

Which layover airport has the shortest travel time from Ontario to Toronto?

Which layover airport has the shortest connection time from Ontario to Toronto?

When to book flights from Ontario to Toronto

Cheap Ontario to Toronto (ONT to YTO) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Toronto

Best airlines flying from Ontario to Toronto

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

Why use momondo?

An easier way to manage your Toronto 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 Canada

Fly into one of these airports located in Toronto

Airports listed have a maximum distance of 52.0 mi from Toronto

Fly your favorite airline to Toronto

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

Cabin classes currently available on flights to Toronto

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

Popular cities in Canada

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

Fly to other destinations from Ontario

According to popular flight searches on momondo this year

Complete your trip to Toronto

Explore popular destinations other users love

According to popular flight searches on momondo this year