Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Sydney from $766

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Sydney departing on 17/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Sydney

Cheap return flights

United Airlines Logo
15:10 - 09:05YOW-SYD
25h 55m2 stops
United Airlines Logo
11:50 - 21:14SYD-YOW
24h 24m2 stops
$1,665United Airlines
Find Deal
Sun, 22 Feb - Wed, 18 Mar
United Airlines Logo
17:14 - 09:05YOW-SYD
24h 51m2 stops
United Airlines Logo
10:20 - 13:45SYD-YOW
41h 25m2 stops
$1,668United Airlines
Find Deal
Mon, 23 Mar - Mon, 6 Apr
Alaska Airlines Logo
16:45 - 19:45YYZ-SYD
35h 00m2 stops
Alaska Airlines Logo
21:40 - 15:35SYD-YYZ
33h 55m2 stops
$1,702Alaska Airlines
Find Deal
Sun, 9 Nov - Sat, 22 Nov
Alaska Airlines Logo
16:45 - 19:45YYZ-SYD
35h 00m2 stops
Alaska Airlines Logo
21:40 - 15:35SYD-YYZ
57h 55m2 stops
$1,703Alaska Airlines
Find Deal
Sun, 9 Nov - Thu, 11 Dec
Qantas Airways Logo
10:30 - 06:35YYZ-SYD
28h 05m1 stop
Qantas Airways Logo
06:05 - 16:18SYD-YYZ
26h 13m2 stops
$1,717Qantas Airways
Find Deal
Sat, 15 Nov - Sun, 23 Nov
Air Canada Logo
18:45 - 09:35YTZ-SYD
46h 50m2 stops
Air Canada Logo
11:20 - 21:28SYD-YTZ
26h 08m2 stops
$1,721Air Canada
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Multiple Airlines Logo
13:30 - 06:35YYZ-SYD
25h 05m1 stop
Multiple Airlines Logo
20:30 - 06:08SYD-YYZ
25h 38m1 stop
$1,721Multiple Airlines
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Qantas Airways Logo
13:30 - 06:35YYZ-SYD
26h 05m1 stop
Qantas Airways Logo
08:30 - 22:44SYD-YYZ
30h 14m2 stops
$1,735Qantas Airways
Find Deal
Mon, 27 Oct - Sun, 9 Nov
Multiple Airlines Logo
13:20 - 06:55YYZ-SYD
26h 35m1 stop
Multiple Airlines Logo
20:30 - 06:08SYD-YYZ
24h 38m1 stop
$1,741Multiple Airlines
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Air Canada Logo
22:35 - 09:35YYZ-SYD
43h 00m1 stop
Air Canada Logo
08:00 - 17:55SYD-YYZ
24h 55m2 stops
$1,758Air Canada
Find Deal
Sat, 7 Feb - Wed, 1 Apr

Qatar Airways flights from Region of Ontario to Sydney

Our best Qatar Airways deals on Region of Ontario to Sydney flight tickets
Qatar Airways
10 Nov
YUL20:50Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD06:50Sydney Kingsford Smith
17 Nov
SYD15:50Sydney Kingsford Smith
38h 15m
1 stop
YUL14:05Montreal Pierre Elliott Trudeau Intl
$2,206
Find similar
Qatar Airways
15 Mar
YUL21:50Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD06:50Sydney Kingsford Smith
27 Apr
SYD14:50Sydney Kingsford Smith
37h 55m
1 stop
YUL14:45Montreal Pierre Elliott Trudeau Intl
$2,229
Find similar
Qatar Airways
10 Nov
YUL20:50Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD06:50Sydney Kingsford Smith
17 Nov
SYD15:50Sydney Kingsford Smith
38h 15m
1 stop
YUL14:05Montreal Pierre Elliott Trudeau Intl
$2,237
Find similar

United Airlines flights from Region of Ontario to Sydney

Our best United Airlines deals on Region of Ontario to Sydney flight tickets
United Airlines
22 Feb
YOW15:10Ottawa
25h 55m
2 stops
SYD09:05Sydney Kingsford Smith
18 Mar
SYD11:50Sydney Kingsford Smith
24h 24m
2 stops
YOW21:14Ottawa
$1,665
Find similar
United Airlines
23 Mar
YOW17:14Ottawa
24h 51m
2 stops
SYD09:05Sydney Kingsford Smith
6 Apr
SYD10:20Sydney Kingsford Smith
41h 25m
2 stops
YOW13:45Ottawa
$1,668
Find similar
United Airlines
28 Jan
YOW06:20Ottawa
32h 00m
2 stops
SYD06:20Sydney Kingsford Smith
15 Feb
SYD14:00Sydney Kingsford Smith
36h 26m
2 stops
YOW10:26Ottawa
$1,671
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Region of Ontario to Sydney 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, momondo users made 78,305 searches. Data last updated 27 September 2025.
Use the filters below to find and compare flights from Ontario to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 22/2

15:10-09:05

2 stops25h 55m

Sydney Kingsford Smith

Wed 18/3

11:50-21:14

2 stops24h 24m

$1,665

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

17:14-09:05

2 stops24h 51m

Sydney Kingsford Smith

Mon 6/4

10:20-13:45

2 stops41h 25m

$1,668

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sun 9/11

16:45-19:45

2 stops35h 00m

Sydney Kingsford Smith

Sat 22/11

21:40-15:35

2 stops33h 55m

$1,702

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sun 9/11

16:45-19:45

2 stops35h 00m

Sydney Kingsford Smith

Thu 11/12

21:40-15:35

2 stops57h 55m

$1,703

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sat 15/11

10:30-06:35

1 stop28h 05m

Sydney Kingsford Smith

Sun 23/11

06:05-16:18

2 stops26h 13m

$1,717

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Mon 10/11

18:45-09:35

2 stops46h 50m

Sydney Kingsford Smith

Mon 17/11

11:20-21:28

2 stops26h 08m

$1,721

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 17/11

13:30-06:35

1 stop25h 05m

Sydney Kingsford Smith

Mon 24/11

20:30-06:08

1 stop25h 38m

$1,721

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 27/10

13:30-06:35

1 stop26h 05m

Sydney Kingsford Smith

Sun 9/11

08:30-22:44

2 stops30h 14m

$1,735

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Wed 22/10

13:20-06:55

1 stop26h 35m

Sydney Kingsford Smith

Wed 29/10

20:30-06:08

1 stop24h 38m

$1,741

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sat 7/2

22:35-09:35

1 stop43h 00m

Sydney Kingsford Smith

Wed 1/4

08:00-17:55

2 stops24h 55m

$1,758

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from Region of Ontario to Sydney

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

What is the cheapest month to fly to Sydney?

The month of April is, on average, the cheapest month to fly to Sydney from Region of Ontario, with most prices found around $2,169. If you aren’t able to travel to Sydney during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $2,226.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Saturday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,347. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,625.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Region of Ontario to Sydney in the morning for as low as $2,187. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,552 on average. Flights to Sydney from Region of Ontario in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ontario to Sydney Kingsford Smith flight route?

Fly from Toronto Pearson Intl to Sydney Kingsford Smith for the best Ontario - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,379 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Region of Ontario for as low as $2,145 on momondo.

What cabin class options are available on Ontario to Sydney Kingsford Smith flights?

There is only 1 cabin class available to choose from on Ontario to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to Sydney flights?

You could potentially save up to 7% on your flight if you consider stops on a Region of Ontario to Sydney flight.

Cheap Region of Ontario to Sydney flight deals and tips

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

Fastest flight time

22h 35m

Direct flights

Tue, Wed, Thu and Fri

Airports in Sydney

1 airport
The fastest flight from Region of Ontario to Sydney takes 22h 35m
Direct flights go from Region of Ontario to Sydney on Tuesday, Wednesday, Thursday and Friday. There are no airlines offering direct flights..
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • When did momondo last update prices for flights from Ontario to Sydney Kingsford Smith Airport?

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

  • How many operators does momondo search for flights from Ontario to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Ontario to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Region of Ontario to Sydney?

Best airlines flying from Region of Ontario to Sydney

Compare and see reviews for airlines that fly from Region of Ontario to Sydney with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $1,351Free cancellationRating
7.5
908 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,567Free cancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,638Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,949Free cancellationRating
7.9
507 reviews
Search Air New Zealand flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Leura
Manly
Bondi Beach
Coogee
Randwick
Cronulla
Charlestown
Newport
Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Sydney for you.

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

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

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

Once you have performed a search for Ontario to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Ontario to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 27/10
Mon 3/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia