Find flights
When to book
FAQs

Cheap flights from Ontario to Ontario from C$ 254

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
9 Aug — 16 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Ontario
Explore the most affordable flight options available from Ontario to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2026.

Tue 18/83:40 p.m.
ONT
-
YYZ
1 stop11h 59m
Multiple Airlines
Tue 25/87:00 a.m.
YYZ
-
ONT
1 stop11h 54m
Multiple Airlines
Deal found 9/7C$ 546
Mon 24/88:48 a.m.
ONT
-
YYZ
2 stops31h 07m
Multiple Airlines
Sun 30/88:35 p.m.
YYZ
-
ONT
1 stop14h 28m
Multiple Airlines
Deal found 9/7C$ 574
Thu 27/88:48 a.m.
ONT
-
YYZ
2 stops31h 07m
Multiple Airlines
Sun 30/88:35 p.m.
YYZ
-
ONT
1 stop14h 28m
Multiple Airlines
Deal found 9/7C$ 578
Tue 25/83:40 p.m.
ONT
-
YYZ
1 stop11h 59m
Multiple Airlines
Mon 31/83:50 p.m.
YYZ
-
ONT
2 stops25h 13m
Multiple Airlines
Deal found 9/7C$ 587
Tue 25/89:37 a.m.
ONT
-
YYZ
2 stops28h 18m
Multiple Airlines
Sun 30/88:35 p.m.
YYZ
-
ONT
1 stop14h 28m
Multiple Airlines
Deal found 8/7C$ 588
Mon 24/88:48 a.m.
ONT
-
YYZ
2 stops31h 07m
Multiple Airlines
Mon 31/88:35 p.m.
YYZ
-
ONT
1 stop22h 19m
Multiple Airlines
Deal found 9/7C$ 592
Thu 5/1111:19 a.m.
ONT
-
YYZ
1 stop16h 31m
Multiple Airlines
Sun 8/1111:30 a.m.
YYZ
-
ONT
1 stop25h 54m
Multiple Airlines
Deal found 8/7C$ 594
Sat 22/85:00 a.m.
ONT
-
YUL
1 stop9h 13m
Air Canada
Sat 29/84:55 p.m.
YUL
-
ONT
1 stop8h 40m
Air Canada
Deal found 8/7C$ 687
Sat 22/87:05 a.m.
ONT
-
YUL
2 stops12h 48m
American Airlines
Sat 29/81:30 p.m.
YUL
-
ONT
2 stops12h 29m
American Airlines
Deal found 8/7C$ 703
Mon 3/811:59 p.m.
ONT
-
YUL
1 stop11h 42m
American Airlines
Wed 12/83:45 p.m.
YUL
-
ONT
1 stop10h 14m
American Airlines
Deal found 10/7C$ 704
Mon 31/81:56 p.m.
ONT
-
YUL
1 stop15h 20m
United Airlines
Wed 2/94:55 p.m.
YUL
-
ONT
1 stop8h 40m
United Airlines
Deal found 9/7C$ 718
Sun 9/85:00 a.m.
ONT
-
YUL
1 stop7h 28m
Air Canada
Tue 18/88:10 a.m.
YUL
-
ONT
1 stop13h 01m
Air Canada
Deal found 7/7C$ 734

Find flight deals from Ontario to Ontario

Keep the following information in mind while searching for Ontario to Ontario flight deals. Data was last updated 10 July 2026.

Round-trip from

C$ 546

One-way from

C$ 254

Popular in

June

Cheapest in

October

Average price

C$ 724
18/8-25/8
  • 18/8-25/8
  • 2 total stops
  • 23h 53m total
  • Ontario to Ontario
Search Deals
18/8
  • 18/8
  • 1 total stop
  • 11h 59m total
  • Ontario to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 629,999 searches. Data last updated 10 July 2026.
Use the filters below to find and compare flights from Ontario to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 31/8

1:56 p.m.-8:16 a.m.

1 stop15h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

4:55 p.m.-10:35 p.m.

1 stop8h 40m

C$ 718

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 21/8

7:13 p.m.-5:30 p.m.

2 stops19h 17m

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

9:45 a.m.-8:01 p.m.

2 stops13h 16m

C$ 740

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 27/7

11:48 a.m.-11:52 p.m.

1 stop9h 04m

Montreal Pierre Elliott Trudeau Intl

Thu 6/8

12:44 p.m.-9:52 p.m.

1 stop12h 08m

C$ 764
Quickest round-trip

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 15/8

5:00 a.m.-3:28 p.m.

1 stop7h 28m

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

4:55 p.m.-10:35 p.m.

1 stop8h 40m

C$ 816

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 15/8

7:00 a.m.-5:30 p.m.

1 stop7h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

4:55 p.m.-10:35 p.m.

1 stop8h 40m

C$ 825

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sat 19/9

7:00 a.m.-8:44 p.m.

1 stop10h 44m

Toronto Pearson Intl

Wed 23/9

6:30 a.m.-6:16 p.m.

1 stop14h 46m

C$ 833

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 22/7

6:00 a.m.-11:52 p.m.

2 stops14h 52m

Montreal Pierre Elliott Trudeau Intl

Sat 25/7

7:00 a.m.-10:23 p.m.

2 stops18h 23m

C$ 837

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 28/12

10:59 p.m.-11:44 a.m.

1 stop9h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 5/1

12:45 p.m.-10:14 p.m.

1 stop12h 29m

C$ 837

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 1/1

12:00 p.m.-11:51 p.m.

1 stop8h 51m

Montreal Pierre Elliott Trudeau Intl

Tue 5/1

12:45 p.m.-10:14 p.m.

1 stop12h 29m

C$ 837

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 27/7

1:50 p.m.-8:16 a.m.

1 stop15h 26m

Montreal Pierre Elliott Trudeau Intl

Mon 3/8

4:55 p.m.-9:55 p.m.

2 stops32h 00m

C$ 839

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Showing 1-10 of 55 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Ontario to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Ontario

What is the cheapest month to book a flight from Ontario to Region of Ontario?

Currently, June is the cheapest month in which you can book a flight from Ontario to Region of Ontario (average of C$ 181). Flying from Ontario to Region of Ontario in January is currently the most expensive (average of C$ 1,424). 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.

How much does it cost to fly round-trip from Ontario to Region of Ontario?

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 from for flights from Ontario to Ontario?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Ontario. It is only a 4.9 km journey to Ontario (ONT) from Ontario’s city centre.

  • How long is the flight from Ontario to Region of Ontario?

    For as low as C$ 718, Air Canada can have you in Region of Ontario from Ontario in 9h 04m. The distance from Ontario to Region of Ontario is about 3899 km. This flight may include one or multiple stops.

  • What are the most popular routes from Ontario to Region of Ontario?

    The most popular flight routes from Ontario to Region of Ontario are Ontario - Toronto Pearson Intl, Ontario - Montreal Pierre Elliott Trudeau Intl and Ontario - Ottawa.

  • Can I find deals for flights from Ontario to Ontario that include hotel bookings?

    Yes. In addition to deals on Ontario to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Ontario.

  • Can I find deals for business class flights from Ontario to Ontario?

    Yes. Cheapflights offers flight deals from Ontario 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 Ontario to Region of Ontario?

    Currently, June is the cheapest month in which you can book a flight from Ontario to Region of Ontario (average of C$ 181). Flying from Ontario to Region of Ontario in January is currently the most expensive (average of C$ 1,424). 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 Ontario to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Vancouver Intl flights
San Francisco to Vancouver Intl flights
Los Angeles to Pearson Intl flights
San Francisco to Pearson Intl flights
San Francisco to Calgary flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Diego to Vancouver Intl flights
Ontario to Vancouver Intl flights
Los Angeles to Calgary flights
San Francisco to Pierre Elliott Trudeau Intl flights
Los Angeles to Abbotsford flights
San Francisco to Abbotsford flights
San Francisco to Toronto Island flights
Santa Ana to Vancouver Intl flights
Sacramento to Vancouver Intl flights
San Diego to Pearson Intl flights
Los Angeles to Toronto Island flights
Ontario to Pearson Intl flights
Las Vegas to Pearson Intl flights
San Diego to Calgary flights
Las Vegas to Vancouver Intl flights
San Jose to Pearson Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
Ontario to Calgary flights
San Francisco to Hamilton flights
Santa Ana to Pearson Intl flights
San Francisco to Edmonton flights
San Jose to Vancouver Intl flights
Los Angeles to Edmonton flights
Oakland to Vancouver Intl flights
Santa Ana to Calgary flights
Burbank to Vancouver Intl flights
Los Angeles to Hamilton flights
San Jose to Calgary flights
Sacramento to Pearson Intl flights
Los Angeles to Region of Waterloo Intl flights
Oakland to Pearson Intl flights
Los Angeles to Victoria flights
Reno to Vancouver Intl flights
Los Angeles to Ottawa flights
Palm Springs to Vancouver Intl flights
San Diego to Abbotsford flights
Sacramento to Calgary flights
Los Angeles to Halifax flights
San Francisco to Halifax flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Ontario.

Can Cheapflights find flights from Ontario to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.