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Cheap flights from Ontario to Sydney from C$ 801

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
25 Apr — 2 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Sydney
Explore the most affordable flight options available from Ontario to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Mon 27/45:55 p.m.
YUL
-
SYD
2 stops28h 10m
Multiple Airlines
Mon 11/51:15 p.m.
SYD
-
YUL
2 stops31h 36m
Multiple Airlines
Deal found 25/3C$ 1,591
Wed 6/54:55 p.m.
YUL
-
SYD
2 stops28h 55m
Multiple Airlines
Wed 13/51:20 p.m.
SYD
-
YUL
2 stops31h 31m
Multiple Airlines
Deal found 21/3C$ 1,635
Sun 10/56:10 a.m.
YYZ
-
SYD
2 stops34h 40m
Delta
Sun 24/59:15 a.m.
SYD
-
YYZ
2 stops37h 44m
Delta
Deal found 21/3C$ 1,649
Wed 6/512:55 p.m.
YUL
-
SYD
2 stops27h 55m
Delta
Sun 17/59:15 a.m.
SYD
-
YUL
2 stops28h 26m
Delta
Deal found 22/3C$ 1,651
Mon 20/412:16 p.m.
YYZ
-
SYD
2 stops28h 34m
Delta
Tue 5/59:15 a.m.
SYD
-
YYZ
2 stops27h 52m
Delta
Deal found 22/3C$ 1,651
Thu 16/44:55 p.m.
YYZ
-
SYD
2 stops28h 55m
Multiple Airlines
Fri 1/51:15 p.m.
SYD
-
YYZ
2 stops31h 09m
Multiple Airlines
Deal found 25/3C$ 1,677
Fri 24/412:09 p.m.
YYZ
-
SYD
2 stops28h 41m
Delta
Tue 12/59:15 a.m.
SYD
-
YYZ
2 stops28h 01m
Delta
Deal found 23/3C$ 1,700
Fri 8/57:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Tue 19/59:15 a.m.
SYD
-
YUL
2 stops40h 44m
Delta
Deal found 22/3C$ 1,702
Sat 9/56:35 p.m.
YYZ
-
SYD
2 stops27h 15m
Multiple Airlines
Sat 16/51:15 p.m.
SYD
-
YYZ
2 stops31h 09m
Multiple Airlines
Deal found 25/3C$ 1,703
Tue 21/46:55 p.m.
YYZ
-
SYD
2 stops26h 55m
Multiple Airlines
Tue 28/41:15 p.m.
SYD
-
YYZ
2 stops31h 29m
Multiple Airlines
Deal found 24/3C$ 1,736
Fri 8/512:40 p.m.
YUL
-
SYD
2 stops28h 10m
Delta
Thu 4/69:15 a.m.
SYD
-
YUL
2 stops28h 42m
Delta
Deal found 22/3C$ 1,752
Thu 23/44:11 p.m.
YYZ
-
SYD
2 stops24h 39m
Delta
Thu 30/49:15 a.m.
SYD
-
YYZ
2 stops27h 41m
Delta
Deal found 22/3C$ 1,752

Find flight deals from Ontario to Sydney

Keep the following information in mind while searching for Ontario to Sydney flight deals. Data was last updated 26 March 2026.

Round-trip from

C$ 1,591

One-way from

C$ 801

Popular in

December

Cheapest in

November

Average price

C$ 2,045

Good round-trip deal

C$ 2,009 or less

Good one-way deal

C$ 1,637 or less
27/4-11/5
  • 27/4-11/5
  • 4 total stops
  • 59h 46m total
  • Ontario to Sydney
Search Deals
21/4
  • 21/4
  • 3 total stops
  • 35h 50m total
  • Ontario to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 242 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Ontario to Sydney Kingsford Smith.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 629,999 searches. Data last updated 26 March 2026.
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

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Sun 26/4

9:15 a.m.-11:38 a.m.

2 stops40h 23m

C$ 1,651

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:00 a.m.-6:50 a.m.

2 stops34h 50m

Sydney Kingsford Smith

Mon 11/5

9:15 a.m.-11:13 p.m.

2 stops27h 58m

C$ 1,651

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Wed 13/5

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,651

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Wed 20/5

5:45 p.m.-6:50 a.m.

2 stops23h 05m

Sydney Kingsford Smith

Wed 3/6

9:15 a.m.-11:16 p.m.

2 stops28h 01m

C$ 1,651

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Sun 17/5

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,782

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

12:55 p.m.-6:50 a.m.

2 stops27h 55m

Sydney Kingsford Smith

Mon 11/5

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,792

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Fri 24/4

12:16 p.m.-6:50 a.m.

2 stops28h 34m

Sydney Kingsford Smith

Tue 12/5

9:15 a.m.-11:58 p.m.

2 stops28h 43m

C$ 1,830

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

2:48 p.m.-7:00 a.m.

2 stops26h 12m

Sydney Kingsford Smith

Mon 31/8

9:30 a.m.-1:59 p.m.

2 stops42h 29m

C$ 1,869
Quickest round-trip

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Tue 4/8

5:16 p.m.-6:55 a.m.

1 stop23h 39m

Sydney Kingsford Smith

Tue 18/8

10:20 a.m.-4:14 p.m.

1 stop19h 54m

C$ 1,876

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Tue 8/9

5:16 p.m.-6:55 a.m.

1 stop23h 39m

Sydney Kingsford Smith

Tue 22/9

10:20 a.m.-4:14 p.m.

1 stop19h 54m

C$ 1,876

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of C$ 271). Flying from Region of Ontario to Sydney in November is currently the most expensive (average of C$ 1,375). 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.

What is the cheapest time of day to fly from ON to SYD?

Find hourly flight availability from Ontario to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Sydney as you normally would.

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

Related info for your journey

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

    For a flight from Ontario to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

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

    For as low as C$ 1,876, Delta can have you in Sydney from Region of Ontario in 23h 39m. The distance from Region of Ontario to Sydney is about 15545 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Region of Ontario to Sydney one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to Sydney are Delta (C$ 800), Cathay Pacific (C$ 1,062), and Air New Zealand (C$ 1,065).

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

    While some choose either Montreal Pierre Elliott Trudeau Intl - Sydney Kingsford Smith or Toronto Island - Sydney Kingsford Smith, Toronto Pearson Intl - Sydney Kingsford Smith is the most popular route from Region of Ontario to Sydney.

  • What are the cheapest flights from Region of Ontario to Sydney?

    Looking for the cheapest flight from Region of Ontario to Sydney? While on average our users pay C$ 1,889, our data indicates the cheapest price to be C$ 1,204. The most popular route (Toronto Pearson Intl - Sydney Kingsford Smith), is priced around C$ 1,408.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of C$ 271). Flying from Region of Ontario to Sydney in November is currently the most expensive (average of C$ 1,375). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Penrith
Parramatta

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Top 10 airlines flying from Ontario to Sydney

Discover the top 10 airlines that operate flights from Ontario to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 207AverageC$ 310FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 253AverageC$ 403FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 395AverageC$ 1,835FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 479AverageC$ 1,309FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Fiji AirwaysCheapestC$ 999AverageC$ 1,266FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapestC$ 1,199AverageC$ 2,162FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapestC$ 1,318AverageC$ 2,051FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Cathay PacificCheapestC$ 1,480AverageC$ 2,033FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapestC$ 1,508AverageC$ 2,199FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,580AverageC$ 2,527FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Sydney?

When you search for this flight from Ontario to Sydney, 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 flight for you.

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

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 Sydney.

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

Need flexible booking options for your flight to Sydney 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 to Sydney 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!

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