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$181+ 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 4/12. 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
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Good round-trip deal

$118 or less

Good one-way deal

$67 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

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 18 September 2025.

Tue 24/218:10YYZ - MEL
2 stops45h 50mDelta
Wed 4/310:10MEL - YYZ
2 stops24h 59mDelta
Deal found 16/9$1,436
Tue 3/218:15YUL - MEL
2 stops45h 45mDelta
Sun 15/210:10MEL - YUL
2 stops29h 02mDelta
Deal found 15/9$1,437
Fri 27/213:00YYZ - MEL
2 stops27h 00mDelta
Fri 20/309:10MEL - YYZ
2 stops38h 55mDelta
Deal found 17/9$1,440
Fri 6/207:00YUL - MEL
2 stops33h 00mDelta
Fri 27/210:10MEL - YUL
2 stops29h 44mDelta
Deal found 16/9$1,440
Sun 8/212:45YUL - MEL
2 stops51h 15mDelta
Wed 18/210:10MEL - YUL
2 stops29h 44mDelta
Deal found 17/9$1,445
Sat 15/1116:45YYZ - SYD
2 stops59h 00mAlaska Airlines
Fri 21/1121:40SYD - YYZ
2 stops33h 55mAlaska Airlines
Deal found 16/9$1,676
Mon 17/1116:45YYZ - SYD
2 stops59h 00mAlaska Airlines
Fri 21/1121:40SYD - YYZ
2 stops33h 55mAlaska Airlines
Deal found 16/9$1,686
Sat 31/116:45YYZ - SYD
2 stops59h 00mAlaska Airlines
Sun 15/221:40SYD - YYZ
2 stops57h 55mAlaska Airlines
Deal found 17/9$1,703
Sun 16/1116:45YYZ - SYD
2 stops35h 00mAlaska Airlines
Fri 21/1121:40SYD - YYZ
2 stops57h 55mAlaska Airlines
Deal found 16/9$1,704
Thu 16/1016:45YYZ - SYD
2 stops36h 00mAlaska Airlines
Fri 31/1021:40SYD - YYZ
2 stops32h 55mAlaska Airlines
Deal found 16/9$1,724
Thu 16/1016:45YYZ - SYD
2 stops36h 00mAlaska Airlines
Tue 21/1021:40SYD - YYZ
2 stops32h 20mAlaska Airlines
Deal found 17/9$1,725
Mon 20/1010:40YYZ - SYD
1 stop29h 50mMultiple Airlines
Wed 22/1017:20SYD - YYZ
2 stops38h 18mMultiple Airlines
Deal found 16/9$1,727

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 18 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

12:45-08:00

2 stops51h 15m

Melbourne

Wed 18/2

10:10-23:54

2 stops29h 44m

$1,445

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Wed 15/10

16:45-19:45

2 stops60h 00m

Sydney Kingsford Smith

Tue 21/10

21:40-15:00

2 stops32h 20m

$1,799

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Wed 15/10

16:45-19:45

2 stops60h 00m

Sydney Kingsford Smith

Thu 23/10

21:40-15:00

2 stops56h 20m

$1,877

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Fri 17/10

16:45-19:45

2 stops36h 00m

Sydney Kingsford Smith

Sat 25/10

21:40-15:35

2 stops32h 55m

$1,884

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

20:40-07:25

2 stops24h 45m

Islamabad Intl

Sun 8/3

08:55-18:45

2 stops43h 50m

$1,911

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

$1,913

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

16:30-07:30

2 stops30h 00m

Islamabad Intl

Fri 3/10

09:20-20:00

2 stops43h 40m

$1,946

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

16:30-01:15

2 stops23h 45m

Islamabad Intl

Thu 23/10

09:20-08:00

1 stop31h 40m

$2,039

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

10:40-07:15

1 stop34h 35m

Islamabad Intl

Mon 24/11

09:00-07:35

1 stop32h 35m

$2,045

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Tue 14/10

16:45-19:45

2 stops60h 00m

Sydney Kingsford Smith

Sat 25/10

21:40-15:35

2 stops32h 55m

$2,088

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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 $339). Flying from Region of Ontario in January will prove the most costly (average of $1,551). 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.

Which airlines fly from Region of Ontario?

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

Air Canada
Air Canada
From $143
United Airlines
United Airlines
From $271
Qantas Airways
Qantas Airways
From $884
Flair Airlines
Flair Airlines
From $99

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

The cheapest city to fly to from Region of Ontario is Montreal, with prices starting at $60. Explore other affordable destinations below.

Montreal
Montreal
From $40
Calgary
Calgary
From $59
Vancouver Intl
Vancouver Intl
From $68
Winnipeg
Winnipeg
From $70

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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 18 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 January. 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 $1,647 round trip
    Fly from Toronto to Melbourne from $2,251 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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