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$222+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YYZ — SYD
11 Mar — 18 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 9 February 2026.

Good round-trip deal

$327 or less

Good one-way deal

$133 or less
Price to beat on a round-trip flight from Ontario.
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Price to beat on a one-way flight from Ontario.
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Find flights from Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 9 February 2026.

Mon 23/316:55
YYZ
-
SYD
2 stops28h 40m
Multiple Airlines
Wed 8/413:15
SYD
-
YYZ
2 stops31h 29m
Multiple Airlines
Deal found 7/2$1,522
Tue 12/509:40
YYZ
-
MEL
1 stop31h 05m
Multiple Airlines
Mon 1/613:30
MEL
-
YYZ
2 stops45h 05m
Multiple Airlines
Deal found 6/2$1,577
Tue 12/509:40
YYZ
-
MEL
1 stop31h 05m
Multiple Airlines
Wed 27/513:25
MEL
-
YYZ
2 stops46h 00m
Multiple Airlines
Deal found 6/2$1,584
Wed 15/410:00
YYZ
-
SYD
1 stop31h 30m
Multiple Airlines
Thu 7/506:00
SYD
-
YYZ
2 stops52h 35m
Multiple Airlines
Deal found 8/2$1,586
Tue 14/410:00
YYZ
-
SYD
1 stop31h 30m
Multiple Airlines
Tue 5/513:15
SYD
-
YYZ
2 stops45h 20m
Multiple Airlines
Deal found 8/2$1,593
Tue 12/509:40
YYZ
-
MEL
1 stop31h 05m
Multiple Airlines
Sun 31/513:30
MEL
-
YYZ
2 stops45h 05m
Multiple Airlines
Deal found 6/2$1,600
Mon 13/410:00
YYZ
-
SYD
1 stop31h 30m
Multiple Airlines
Mon 4/513:15
SYD
-
YYZ
2 stops45h 20m
Multiple Airlines
Deal found 8/2$1,600
Tue 21/410:00
YYZ
-
BNE
1 stop29h 00m
Multiple Airlines
Tue 19/511:35
BNE
-
YYZ
2 stops47h 00m
Multiple Airlines
Deal found 6/2$1,603
Wed 25/316:55
YYZ
-
SYD
2 stops28h 40m
Multiple Airlines
Wed 1/414:15
SYD
-
YYZ
2 stops31h 29m
Multiple Airlines
Deal found 8/2$1,603
Tue 24/310:00
YYZ
-
SYD
1 stop30h 25m
Multiple Airlines
Tue 14/413:15
SYD
-
YYZ
2 stops46h 07m
Multiple Airlines
Deal found 6/2$1,604
Tue 3/310:00
YYZ
-
SYD
2 stops42h 50m
Multiple Airlines
Tue 17/311:20
SYD
-
YYZ
1 stop25h 05m
Multiple Airlines
Deal found 6/2$1,610
Sun 17/509:40
YYZ
-
MEL
1 stop31h 05m
Multiple Airlines
Mon 1/613:30
MEL
-
YYZ
2 stops45h 05m
Multiple Airlines
Deal found 6/2$1,626

Find flights from Ontario within your budget

 
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 9 February 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

17:45-01:15

2 stops22h 30m

Islamabad Intl

Tue 7/4

09:25-20:09

2 stops43h 44m

$1,774

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

16:30-07:30

2 stops30h 00m

Islamabad Intl

Tue 28/4

09:25-20:09

2 stops43h 44m

$1,775

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

15:15-08:50

2 stops32h 35m

Islamabad Intl

Fri 24/4

02:55-01:51

2 stops31h 56m

$1,814

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Wed 8/4

12:25-07:20

2 stops28h 55m

Sydney Kingsford Smith

Wed 22/4

09:20-21:32

2 stops26h 12m

$1,824

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Mon 13/4

15:35-07:20

2 stops25h 45m

Sydney Kingsford Smith

Wed 6/5

09:20-18:17

2 stops22h 57m

$1,834

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Wed 29/4

15:35-07:20

2 stops25h 45m

Sydney Kingsford Smith

Wed 20/5

09:20-18:17

2 stops22h 57m

$1,834

TorontoMelbourne

YYZ - MEL

YYZMEL

Toronto Pearson Intl

Mon 18/5

15:45-22:15

1 stop40h 30m

Melbourne

Wed 27/5

07:25-22:10

1 stop28h 45m

$1,839

TorontoMelbourne

YYZ - MEL

YYZMEL

Toronto Pearson Intl

Thu 14/5

15:45-22:15

1 stop40h 30m

Melbourne

Tue 26/5

23:45-22:10

1 stop36h 25m

$1,839

TorontoMelbourne

YYZ - MEL

YYZMEL

Toronto Pearson Intl

Wed 13/5

15:45-05:55

1 stop48h 10m

Melbourne

Tue 26/5

23:45-22:10

1 stop36h 25m

$1,839

TorontoMelbourne

YYZ - MEL

YYZMEL

Toronto Pearson Intl

Thu 14/5

15:45-22:15

1 stop40h 30m

Melbourne

Wed 27/5

07:25-22:10

1 stop28h 45m

$1,839

Flights are sorted by cheapest return flights first.

Deals found on 9/2

Showing 1-10 of 60 results
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Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
Estimated return 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.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

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

Currently, May is the cheapest month in which you can book a flight from Region of Ontario (average of $282). Flying from Region of Ontario in November will prove the most costly (average of $1,275). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Region of Ontario?

When flying from Region of Ontario check dates and pricing for the following: Air Canada, Qantas Airways, United Airlines, Cathay Pacific. As they depart for the following popular destinations: Sydney.

Air Canada
Air Canada
From $186
United Airlines
United Airlines
From $1,159
Qantas Airways
Qantas Airways
From $1,245
Flair Airlines
Flair Airlines
From $145

What is the cheapest place to fly to from Region of Ontario?

The cheapest city to fly to from Region of Ontario is Halifax Intl, with prices starting at $57. Explore other affordable destinations below.

Halifax Intl
Halifax Intl
From $57
Vancouver Intl
Vancouver Intl
From $118
Saskatoon
Saskatoon
From $118
Calgary
Calgary
From $133

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Direct flights from Canada

Book a direct flight from one of these other cities located in Canada.
Direct flights from Ottawa
Direct flights from Windsor

Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 9 February 2026.

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

    Currently, the cheapest month for flights from Region of Ontario is May. The most expensive month for flights is November. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Region of Ontario?

    View the cheapest flight destinations from Region of Ontario:
    Fly from Toronto to Sydney from $1,372 round trip
    Fly from Toronto to Melbourne from $1,509 round trip

  • How does Cheapflights help users find flights from Ontario?

    When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Ontario.

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

    Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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Fly with Cheapflights

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

How does Cheapflights help users find flights from Ontario?

When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Ontario.

Can Cheapflights find flights from Ontario with no change fees?

Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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