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

Delta, American Airlines, and United Airlines are the most popular carriers operating from Ontario to Ontario

What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to Region of Ontario from Ontario according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 8 different airlines that fly to Region of Ontario 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 Ontario?

Prices for flights from Ontario Airport to Ontario are refreshed on a daily basis.

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

As of March 2026, there are 2 operators available to choose from for flights from Ontario Airport to Ontario.

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

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 Ontario Airport to Ontario.

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

The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$138 Cheap Flights from Ontario to Ontario in 2026

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Find the cheapest flights from Ontario to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 11:54 pm

ONT

YYZ

29h 24m

1 stop

7:00 am - 3:44 pm

YYZ

ONT

11h 44m

2 stops

$347Multiple Airlines

Thu, May 28 - Tue, Jun 2

1:50 pm - 5:45 am

ONT

YYZ

12h 55m

2 stops

9:55 am - 3:09 pm

YYZ

ONT

8h 14m

1 stop

$362Multiple Airlines

Tue, May 12 - Sat, May 23

6:15 am - 10:58 pm

ONT

YUL

13h 43m

2 stops

7:45 am - 6:30 pm

YUL

ONT

13h 45m

2 stops

$459American Airlines

Tue, Apr 21 - Wed, Apr 29

7:13 pm - 10:06 am

ONT

YTZ

11h 53m

2 stops

7:20 pm - 12:38 pm

YTZ

ONT

20h 18m

2 stops

$531Air Canada

Wed, Aug 19 - Tue, Sep 8

6:15 am - 10:58 pm

ONT

YUL

13h 43m

2 stops

2:32 pm - 9:07 pm

YUL

ONT

9h 35m

1 stop

$556American Airlines

Tue, Apr 21 - Wed, Apr 29

10:15 pm - 6:51 pm

ONT

YUL

17h 36m

2 stops

9:30 am - 9:00 pm

YUL

ONT

14h 30m

2 stops

$579Delta

Tue, Apr 21 - Sat, May 2

12:49 pm - 8:40 am

ONT

YUL

16h 51m

2 stops

9:30 am - 9:00 pm

YUL

ONT

14h 30m

2 stops

$592Delta

Sat, Apr 18 - Wed, Apr 29

6:30 am - 4:41 pm

ONT

YTZ

7h 11m

1 stop

12:15 pm - 10:46 pm

YTZ

ONT

13h 31m

1 stop

$620United Airlines

Tue, Jun 2 - Sun, Jun 7

7:13 pm - 10:06 am

ONT

YTZ

11h 53m

2 stops

12:15 pm - 6:19 pm

YTZ

ONT

9h 04m

1 stop

$650United Airlines

Wed, Aug 12 - Wed, Aug 26

6:59 pm - 5:07 pm

ONT

YOW

19h 08m

2 stops

6:25 am - 8:36 pm

YOW

ONT

17h 11m

2 stops

$716Air Canada

Sat, May 2 - Tue, May 5

American Airlines flights from Ontario to Region of Ontario

Our best American Airlines deals on Ontario to Region of Ontario flight tickets

American Airlines

Apr 18

ONT7:30 amOntario

6h 49m

1 stop

YYZ5:19 pmToronto Pearson Intl

Apr 25

YYZ6:15 pmToronto Pearson Intl

8h 31m

1 stop

ONT11:46 pmOntario

$443

American Airlines

Apr 21

ONT6:15 amOntario

13h 43m

2 stops

YUL10:58 pmMontreal Pierre Elliott Trudeau Intl

Apr 29

YUL7:45 amMontreal Pierre Elliott Trudeau Intl

13h 45m

2 stops

ONT6:30 pmOntario

$459

American Airlines

Apr 3

ONT6:00 amOntario

13h 39m

1 stop

YYZ10:39 pmToronto Pearson Intl

Apr 10

YYZ6:15 pmToronto Pearson Intl

8h 31m

1 stop

ONT11:46 pmOntario

$463

Delta flights from Ontario to Region of Ontario

Our best Delta deals on Ontario to Region of Ontario flight tickets

Delta

Aug 9

ONT7:00 amOntario

12h 00m

1 stop

YYZ10:00 pmToronto Pearson Intl

Sep 10

YYZ5:50 pmToronto Pearson Intl

7h 54m

1 stop

ONT10:44 pmOntario

$450

Delta

Apr 3

ONT12:57 pmOntario

8h 00m

1 stop

YYZ11:57 pmToronto Pearson Intl

Apr 8

YYZ5:10 pmToronto Pearson Intl

9h 41m

2 stops

ONT11:51 pmOntario

$459

Delta

Apr 24

ONT5:55 pmOntario

14h 37m

2 stops

YYZ11:32 amToronto Pearson Intl

May 1

YYZ11:30 amToronto Pearson Intl

12h 30m

1 stop

ONT9:00 pmOntario

$461

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 5/28

3:30 pm-11:54 pm

1 stop29h 24m

Toronto Pearson Intl

Tue 6/2

7:00 am-3:44 pm

2 stops11h 44m

$347

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 5/12

1:50 pm-5:45 am

2 stops12h 55m

Toronto Pearson Intl

Sat 5/23

9:55 am-3:09 pm

1 stop8h 14m

$362

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 4/21

6:15 am-10:58 pm

2 stops13h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

7:45 am-6:30 pm

2 stops13h 45m

$459

OntarioToronto

ONT - YTZ

ONTYTZ

Ontario

Wed 8/19

7:13 pm-10:06 am

2 stops11h 53m

Toronto Island

Tue 9/8

7:20 pm-12:38 pm

2 stops20h 18m

$531

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 4/21

6:15 am-10:58 pm

2 stops13h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

2:32 pm-9:07 pm

1 stop9h 35m

$556

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 4/21

10:15 pm-6:51 pm

2 stops17h 36m

Montreal Pierre Elliott Trudeau Intl

Sat 5/2

9:30 am-9:00 pm

2 stops14h 30m

$579

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 4/18

12:49 pm-8:40 am

2 stops16h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

9:30 am-9:00 pm

2 stops14h 30m

$592

Quickest round-trip

OntarioToronto

ONT - YTZ

ONTYTZ

Ontario

Tue 6/2

6:30 am-4:41 pm

1 stop7h 11m

Toronto Island

Sun 6/7

12:15 pm-10:46 pm

1 stop13h 31m

$620

OntarioToronto

ONT - YTZ

ONTYTZ

Ontario

Wed 8/12

7:13 pm-10:06 am

2 stops11h 53m

Toronto Island

Wed 8/26

12:15 pm-6:19 pm

1 stop9h 04m

$650

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Sat 5/2

6:59 pm-5:07 pm

2 stops19h 08m

Ottawa

Tue 5/5

6:25 am-8:36 pm

2 stops17h 11m

$716

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 Region of 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

What is the cheapest month to fly to Region of Ontario?

The month of April is, on average, the cheapest month to fly to Region of Ontario from Ontario, with most prices found around $323. If you aren’t able to travel during the month of April, then book flights to Region of Ontario from Ontario during August instead. Flights to Region of Ontario in August, while not as cheap as those in April, still average around $407.

Cheap Ontario to Region of Ontario flight deals and tips

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

Fastest flight time	7h 07m
Direct flights	None

The fastest flight from Ontario to Region of Ontario takes 7h 07m

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

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Ontario?
Prices for flights from Ontario Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Ontario?
As of March 2026, there are 2 operators available to choose from for flights from Ontario Airport to Ontario.
How old do you have to be to fly from Ontario Airport to Ontario?
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 Ontario Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Region of Ontario

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $101	Free Cancellation	Rating 7.4 9,455 reviews		Search United Airlines flights
Air Canada	PriceFrom $122	Free Cancellation	Rating 7.1 10,830 reviews		Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Ontario to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Ontario and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ontario 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.