$212+ 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 15/10. 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
7 Sep — 14 Sep1
1 adult

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 2 September 2025.

Good round-trip deal

$177 or less

Good one-way deal

$93 or less
Price to beat on a round-trip flight from Ontario.
Price to beat on a one-way flight from Ontario.

Find flights from Ontario

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 2 September 2025.

Sun 8/218:15YUL - MEL
2 stops45h 45mDelta
Wed 18/210:10MEL - YUL
2 stops29h 44mDelta
Deal found 31/8$1,470
Mon 22/910:40YYZ - SYD
2 stops35h 05mMultiple Airlines
Tue 30/913:15SYD - YYZ
2 stops30h 31mMultiple Airlines
Deal found 31/8$1,716
Fri 17/1013:30YYZ - SYD
3 stops32h 15mMultiple Airlines
Fri 24/1014:15SYD - YYZ
2 stops31h 44mMultiple Airlines
Deal found 2/9$1,736
Sun 28/912:00YYZ - SYD
3 stops33h 45mMultiple Airlines
Sun 5/1014:15SYD - YYZ
2 stops31h 44mMultiple Airlines
Deal found 30/8$1,743
Wed 15/1010:40YYZ - SYD
1 stop29h 50mMultiple Airlines
Wed 22/1017:20SYD - YYZ
2 stops39h 18mMultiple Airlines
Deal found 1/9$1,760
Mon 15/914:00YYZ - SYD
3 stops31h 45mMultiple Airlines
Wed 24/913:15SYD - YYZ
3 stops30h 57mMultiple Airlines
Deal found 1/9$1,784
Thu 16/1018:45YYZ - SYD
2 stops49h 00mMultiple Airlines
Thu 23/1018:45SYD - YYZ
1 stop42h 05mMultiple Airlines
Deal found 1/9$1,806
Thu 23/1016:40YYZ - SYD
2 stops29h 35mMultiple Airlines
Sun 2/1105:00SYD - YYZ
2 stops34h 15mMultiple Airlines
Deal found 1/9$1,809
Sat 18/1013:55YYZ - SYD
2 stops53h 50mMultiple Airlines
Wed 29/1017:45SYD - YYZ
1 stop42h 37mMultiple Airlines
Deal found 1/9$1,815
Wed 17/909:15YUL - ISB
2 stops33h 00mMultiple Airlines
Fri 10/1019:35ISB - YUL
2 stops30h 04mMultiple Airlines
Deal found 31/8$1,824
Wed 15/1008:30YYZ - BNE
2 stops35h 25mMultiple Airlines
Wed 22/1011:15BNE - YYZ
2 stops33h 44mMultiple Airlines
Deal found 30/8$1,859
Wed 24/908:10YUL - ISB
2 stops34h 05mMultiple Airlines
Fri 10/1019:35ISB - YUL
2 stops27h 19mMultiple Airlines
Deal found 1/9$1,868

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 2 September 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

18:15-08:00

2 stops45h 45m

Melbourne

Wed 18/2

10:10-23:54

2 stops29h 44m

$1,470

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

09:15-03:15

2 stops33h 00m

Islamabad Intl

Fri 10/10

19:35-16:39

2 stops30h 04m

$1,824

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

08:00-18:25

2 stops25h 25m

Islamabad Intl

Fri 10/10

19:35-16:39

2 stops30h 04m

$1,824

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

09:15-03:15

2 stops33h 00m

Islamabad Intl

Fri 10/10

19:35-16:39

2 stops30h 04m

$1,824

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Wed 15/10

08:30-09:55

2 stops35h 25m

Brisbane

Wed 22/10

11:15-06:59

2 stops33h 44m

$1,859

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

08:10-03:15

2 stops34h 05m

Islamabad Intl

Fri 10/10

19:35-13:54

2 stops27h 19m

$1,868

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

20:40-07:25

2 stops24h 45m

Islamabad Intl

Mon 24/11

08:55-18:45

2 stops43h 50m

$1,960

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

22:10-07:40

2 stops24h 30m

Islamabad Intl

Sun 5/10

03:30-20:15

2 stops25h 45m

$1,966

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Thu 25/9

16:00-09:55

2 stops51h 55m

Brisbane

Wed 8/10

11:15-23:00

1 stop25h 45m

$2,035

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 16/2

14:50-09:35

2 stops26h 45m

Sydney Kingsford Smith

Mon 9/3

11:20-06:43

1 stop34h 23m

$2,126

Flights are sorted by cheapest return flights first.

Deals found on 31/8

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 $347). Flying from Region of Ontario in November will prove the most costly (average of $1,632). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Region of Ontario?

Use this chart to determine the cheapest time to fly return from Ontario to Sydney. Price data was last updated on 8 September 2024.

Those who are seeking the cheapest fare on flights departing from Region of Ontario would be wise to consider leaving during Sunday mornings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday afternoons when fares are usually the most expensive.

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Direct flights from Canada

Book a direct flight from one of these other cities located in Canada.

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 2 September 2025.
  • 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 $1,592 round trip
    Fly from Toronto to Melbourne from $1,762 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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