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Cheap flights from Ontario to Sydney from C$ 844

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
17 Jun — 24 Jun1
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 18 May 2026.

Sun 17/55:45 p.m.
YYZ
-
SYD
2 stops23h 05m
Delta
Wed 27/59:15 a.m.
SYD
-
YYZ
2 stops28h 01m
Delta
Deal found 16/5C$ 1,448
Sun 17/57:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Sun 24/59:15 a.m.
SYD
-
YUL
2 stops28h 42m
Delta
Deal found 17/5C$ 1,449
Sun 31/512:49 p.m.
YUL
-
SYD
2 stops28h 01m
Delta
Sun 14/69:15 a.m.
SYD
-
YUL
2 stops52h 13m
Delta
Deal found 15/5C$ 1,452
Sun 31/56:00 a.m.
YYZ
-
SYD
2 stops34h 50m
Delta
Tue 9/69:15 a.m.
SYD
-
YYZ
2 stops28h 43m
Delta
Deal found 15/5C$ 1,452
Mon 15/66:00 a.m.
YUL
-
SYD
2 stops34h 50m
Delta
Mon 6/79:15 a.m.
SYD
-
YUL
2 stops28h 13m
Delta
Deal found 13/5C$ 1,453
Mon 25/512:09 p.m.
YYZ
-
SYD
2 stops28h 41m
Delta
Mon 8/69:15 a.m.
SYD
-
YYZ
2 stops28h 43m
Delta
Deal found 14/5C$ 1,453
Mon 18/57:45 a.m.
YYZ
-
SYD
2 stops33h 05m
Delta
Mon 25/59:15 a.m.
SYD
-
YYZ
2 stops37h 44m
Delta
Deal found 13/5C$ 1,516
Tue 18/81:38 p.m.
YYZ
-
SYD
2 stops27h 12m
Delta
Sat 29/89:15 a.m.
SYD
-
YYZ
2 stops28h 03m
Delta
Deal found 16/5C$ 1,518
Thu 4/612:49 p.m.
YUL
-
SYD
2 stops28h 01m
Delta
Wed 17/69:15 a.m.
SYD
-
YUL
2 stops28h 13m
Delta
Deal found 17/5C$ 1,519
Thu 25/66:30 a.m.
YYZ
-
SYD
2 stops34h 20m
Delta
Sun 19/79:15 a.m.
SYD
-
YYZ
2 stops28h 43m
Delta
Deal found 14/5C$ 1,522
Wed 3/612:40 p.m.
YUL
-
SYD
2 stops28h 10m
Delta
Sat 13/69:15 a.m.
SYD
-
YUL
2 stops28h 40m
Delta
Deal found 13/5C$ 1,523
Thu 14/56:15 a.m.
YYZ
-
SYD
2 stops34h 35m
Delta
Sun 24/59:15 a.m.
SYD
-
YYZ
2 stops27h 59m
Delta
Deal found 13/5C$ 1,523

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 18 May 2026.

Round-trip from

C$ 1,448

One-way from

C$ 844

Popular in

December

Cheapest in

March

Average price

C$ 1,991

Good round-trip deal

C$ 2,373 or less

Good one-way deal

C$ 1,860 or less
Delta
  • Delta
  • 31/5-9/6
  • 4 total stops
  • 57h 28m total
  • Ontario to Sydney
Search Deals
Delta
  • Delta
  • 10/6
  • 2 total stops
  • 28h 35m total
  • Ontario to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 265 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 May 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 18 May 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

Tue 9/6

12:47 p.m.-6:50 a.m.

2 stops28h 03m

Sydney Kingsford Smith

Fri 19/6

9:15 a.m.-11:43 a.m.

2 stops40h 28m

C$ 1,523

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

12:49 p.m.-6:50 a.m.

2 stops52h 01m

Sydney Kingsford Smith

Sat 13/6

9:15 a.m.-11:28 p.m.

2 stops28h 13m

C$ 1,523

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sat 30/5

12:29 p.m.-6:50 a.m.

2 stops28h 21m

Sydney Kingsford Smith

Sun 14/6

9:15 a.m.-8:55 a.m.

2 stops37h 40m

C$ 1,523

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 2/7

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

2 stops33h 50m

Sydney Kingsford Smith

Thu 9/7

9:15 a.m.-11:52 p.m.

2 stops28h 37m

C$ 1,589

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 24/7

6:47 p.m.-6:50 a.m.

2 stops46h 03m

Sydney Kingsford Smith

Fri 21/8

9:15 a.m.-11:35 p.m.

2 stops28h 20m

C$ 1,593

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Fri 31/7

7:24 p.m.-6:50 a.m.

2 stops45h 26m

Sydney Kingsford Smith

Sat 15/8

9:15 a.m.-8:55 a.m.

2 stops37h 40m

C$ 1,593

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 29/8

6:25 a.m.-9:25 a.m.

2 stops37h 00m

Sydney Kingsford Smith

Fri 11/9

11:45 a.m.-12:53 a.m.

2 stops27h 08m

C$ 2,008

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Thu 12/11

1:30 p.m.-12:35 p.m.

2 stops31h 05m

Sydney Kingsford Smith

Tue 24/11

2:00 p.m.-5:10 a.m.

2 stops31h 10m

C$ 2,109

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 1/8

6:05 p.m.-7:20 a.m.

2 stops47h 15m

Sydney Kingsford Smith

Sat 29/8

9:20 a.m.-1:09 a.m.

1 stop29h 49m

C$ 2,380

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Sat 30/5

12:25 p.m.-7:20 a.m.

2 stops28h 55m

Sydney Kingsford Smith

Sun 14/6

9:20 a.m.-9:32 p.m.

2 stops26h 12m

C$ 2,381

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/5

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

How far ahead should I book a flight from Region of Ontario to Sydney?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, July is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of C$ 230). Flying from Region of Ontario to Sydney in March is currently the most expensive (average of C$ 3,016). 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 18 May 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$ 1,523, Delta can have you in Sydney from Region of Ontario in 28h 03m. The distance from Region of Ontario to Sydney is about 16011 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$ 795), Air New Zealand (C$ 930), and Cathay Pacific (C$ 1,056).

  • 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$ 2,232, our data indicates the cheapest price to be C$ 1,070. The most popular route (Toronto Pearson Intl - Sydney Kingsford Smith), is priced around C$ 1,452.

  • 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, July is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of C$ 230). Flying from Region of Ontario to Sydney in March is currently the most expensive (average of C$ 3,016). 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 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 230AverageC$ 337FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 251AverageC$ 398FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 392AverageC$ 1,824FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 476AverageC$ 1,318FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Fiji AirwaysCheapestC$ 951AverageC$ 1,240FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapestC$ 1,136AverageC$ 2,017FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapestC$ 1,302AverageC$ 2,013FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Cathay PacificCheapestC$ 1,471AverageC$ 2,030FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapestC$ 1,476AverageC$ 2,188FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,576AverageC$ 2,518FlexibilityNo 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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