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Cheap flights from Ontario to Sydney from $660

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Ontario to Sydney

Keep the following information in mind while searching for Ontario to Sydney flight deals. Data was last updated 11 July 2025.

Round-trip from

$1,636

One-way from

$660

Popular in

December

Cheapest in

April

Average price

$2,386
1/12-15/12
  • 1/12-15/12
  • 4 total stops
  • 64h 10m total
  • Ontario to Sydney
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26/8
  • 26/8
  • 2 total stops
  • 40h 30m total
  • Ontario to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($445 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($94 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Ontario to Sydney

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 11 July 2025.

Mon 1/1212:00YYZ - SYD
2 stops29h 00mMultiple Airlines
Mon 15/1217:45SYD - YYZ
2 stops35h 10mMultiple Airlines
Deal found 10/7$1,636
Wed 20/807:00YUL - SYD
2 stops34h 05mMultiple Airlines
Wed 10/909:10SYD - YUL
2 stops29h 31mMultiple Airlines
Deal found 10/7$1,714
Sun 24/807:00YOW - SYD
2 stops34h 30mMultiple Airlines
Sun 31/817:45SYD - YOW
3 stops44h 37mMultiple Airlines
Deal found 10/7$1,723
Sun 24/807:30YUL - SYD
2 stops37h 10mAir Canada
Fri 14/1111:20SYD - YUL
1 stop24h 06mAir Canada
Deal found 9/7$2,089
Mon 11/808:10YUL - SYD
2 stops34h 35mAir New Zealand
Tue 26/811:50SYD - YUL
2 stops33h 09mAir New Zealand
Deal found 8/7$2,112
Sun 10/815:25YTZ - SYD
2 stops25h 55mAir Canada
Tue 26/809:20SYD - YTZ
2 stops25h 21mAir Canada
Deal found 10/7$2,119
Sun 24/815:25YTZ - SYD
3 stops30h 20mMultiple Airlines
Sun 31/813:15SYD - YTZ
3 stops34h 31mMultiple Airlines
Deal found 10/7$2,127
Wed 12/1105:30YOW - SYD
1 stop36h 05mAir Canada
Wed 3/1211:20SYD - YOW
1 stop35h 53mAir Canada
Deal found 10/7$2,131
Mon 20/1021:35YUL - SYD
1 stop42h 35mQatar Airways
Mon 27/1015:50SYD - YUL
1 stop38h 15mQatar Airways
Deal found 10/7$2,209
Tue 9/909:35YOW - SYD
2 stops33h 50mANA
Wed 24/911:50SYD - YOW
2 stops34h 33mANA
Deal found 10/7$2,320
Mon 4/817:25YOW - SYD
2 stops23h 35mUnited Airlines
Mon 18/810:20SYD - YOW
2 stops41h 44mUnited Airlines
Deal found 9/7$2,354
Sun 10/806:00YHM - SYD
2 stops35h 20mMultiple Airlines
Mon 25/809:20SYD - YHM
1 stop21h 24mMultiple Airlines
Deal found 10/7$2,406

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from Ontario to Sydney that are best for you.

Fly from

Ontario

Fly to

Sydney

Route

Depart

Return

Price

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 1/12

12:00-09:00

2 stops29h 00m

Sydney Kingsford Smith

Mon 15/12

17:45-12:55

2 stops35h 10m

$1,636

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 20/8

07:00-07:05

2 stops34h 05m

Sydney Kingsford Smith

Wed 10/9

09:10-00:41

2 stops29h 31m

$1,714

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 24/8

07:00-07:30

2 stops34h 30m

Sydney Kingsford Smith

Sun 31/8

17:45-00:22

3 stops44h 37m

$1,723

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 24/8

07:30-10:40

2 stops37h 10m

Sydney Kingsford Smith

Fri 14/11

11:20-19:26

1 stop24h 06m

$2,089

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 11/8

08:10-08:45

2 stops34h 35m

Sydney Kingsford Smith

Tue 26/8

11:50-06:59

2 stops33h 09m

$2,112

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Sun 10/8

15:25-07:20

2 stops25h 55m

Sydney Kingsford Smith

Tue 26/8

09:20-20:41

2 stops25h 21m

$2,119

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Sun 24/8

15:25-11:45

3 stops30h 20m

Sydney Kingsford Smith

Sun 31/8

13:15-09:46

3 stops34h 31m

$2,127

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 12/11

05:30-09:35

1 stop36h 05m

Sydney Kingsford Smith

Wed 3/12

11:20-07:13

1 stop35h 53m

$2,131

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 20/10

21:35-07:10

1 stop42h 35m

Sydney Kingsford Smith

Mon 27/10

15:50-15:05

1 stop38h 15m

$2,209

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 9/9

09:35-09:25

2 stops33h 50m

Sydney Kingsford Smith

Wed 24/9

11:50-08:23

2 stops34h 33m

$2,320

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 34 results
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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 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.

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 $129). Flying from Region of Ontario to Sydney in October is currently the most expensive (average of $171). 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 11 July 2025.

When flying from Region of Ontario to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 11 July 2025.
Read through reviews of airlines operating flights from Ontario to Sydney, such as ANA, Emirates, andAir New Zealand. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very Good
899 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
ANA
8.4
Very Good
899 reviews
ANA
8.4
Very Good
899 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Emirates
8.1
Very Good
3,285 reviews
ANA
8.4
Very Good
899 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Air New Zealand
8.0
Very Good
494 reviews
ANA
8.4
Very Good
899 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Qatar Airways
7.4
Good
3,596 reviews
ANA
8.4
Very Good
899 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
United Airlines
7.4
Good
8,846 reviews
ANA
8.4
Very Good
899 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

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.

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

    $1,162 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Qatar Airways and China Eastern, with prices starting from $1,199 and $1,312, respectively.

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

    The most popular route from Region of Ontario to Sydney is Toronto Pearson Intl - Sydney Kingsford Smith. You may also consider Montreal Pierre Elliott Trudeau Intl - Sydney Kingsford Smith or Toronto Island - Sydney Kingsford Smith.

  • 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 holiday 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 $129). Flying from Region of Ontario to Sydney in October is currently the most expensive (average of $171). 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 Ontario?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Ontario to Sydney

Discover the top 3 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 647,157 searches. Data last updated 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,346Average$2,323FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,562Average$2,363FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,638Average$2,347FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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 to Sydney?

Cheapflights helps you search for flights from Ontario to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Ontario.

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

Certainly. Search results for flights to Sydney from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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