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 WestJet (C$ 1,169), Qatar Airways (C$ 1,206), and China Eastern (C$ 1,215).

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

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

What are the most popular airlines that fly from Region of Ontario to Sydney?

Consider American Airlines, Air Canada or Alaska Airlines when booking your flight. These represent the most popular airlines when flying from Region of Ontario to Sydney.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 55 days in advance, which can save you up to 11% on flights from Region of Ontario to Sydney compared to booking the week you need them. Waiting 55 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 2,039. For sooner than that we have options available in the next 3 days from C$ 2,198.

What is the cheapest month to fly from Region of Ontario to Sydney?

April is one of the best times of the year to fly to Sydney from Region of Ontario. Prices for April average C$ 2,136 per person but you can even find prices for as low as C$ 316. The most expensive prices can be found in the month of December. Opting for a April flight can save you 29% on your journey compared to booking in December

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.

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.

C$ 439+ Flights from Ontario to Sydney

Cheap flight deals from Ontario to Sydney

Round-trip from	C$ 1,426
One-way from	C$ 439
Popular in	December
Cheapest in	April
Average price	C$ 2,104

7/9-21/9
3 total stops
59h 19m total
Ontario to Sydney

Search Deals

30/8
3 total stops
42h 40m total
Ontario to Sydney

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 384 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 79 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 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 12 June 2025.

Thu 25/92:00 p.m.YYZ - SYD

2 stops34h 40mMultiple Airlines

Mon 6/102:15 p.m.SYD - YYZ

2 stops31h 44mMultiple Airlines

Deal found 12/6C$ 1,369

Mon 25/87:00 a.m.YUL - SYD

2 stops34h 30mMultiple Airlines

Thu 2/109:10 a.m.SYD - YUL

2 stops35h 57mMultiple Airlines

Deal found 12/6C$ 1,463

Sat 23/87:15 p.m.YOW - SYD

2 stops46h 15mMultiple Airlines

Thu 4/95:45 p.m.SYD - YOW

2 stops27h 00mMultiple Airlines

Deal found 10/6C$ 1,546

Sun 15/69:45 a.m.YUL - SYD

2 stops31h 15mUnited Airlines

Mon 30/69:30 a.m.SYD - YUL

2 stops36h 46mUnited Airlines

Deal found 12/6C$ 1,699

Mon 3/116:00 p.m.YOW - SYD

1 stop23h 35mAir Canada

Wed 26/1111:20 a.m.SYD - YOW

2 stops39h 00mAir Canada

Deal found 12/6C$ 1,909

Mon 17/116:30 p.m.YYZ - SYD

1 stop23h 05mAir Canada

Mon 15/1211:20 a.m.SYD - YYZ

1 stop21h 09mAir Canada

Deal found 11/6C$ 1,913

Tue 18/114:20 p.m.YTZ - SYD

2 stops25h 15mAir Canada

Tue 21/49:20 a.m.SYD - YTZ

2 stops23h 16mAir Canada

Deal found 11/6C$ 1,941

Fri 29/84:45 p.m.YYZ - SYD

2 stops37h 00mAlaska Airlines

Tue 4/119:40 p.m.SYD - YYZ

2 stops33h 55mAlaska Airlines

Deal found 10/6C$ 1,950

Sat 1/1110:10 p.m.YUL - SYD

2 stops44h 25mAir Canada

Sat 8/1111:20 a.m.SYD - YUL

1 stop25h 44mAir Canada

Deal found 12/6C$ 1,966

Mon 1/94:25 p.m.YYZ - SYD

1 stop26h 35mChina Eastern

Fri 31/109:30 p.m.SYD - YYZ

1 stop31h 55mChina Eastern

Deal found 10/6C$ 1,969

Fri 25/77:05 a.m.YHM - SYD

3 stops36h 40mMultiple Airlines

Fri 1/84:20 p.m.SYD - YHM

3 stops45h 33mMultiple Airlines

Deal found 9/6C$ 2,002

Tue 28/109:50 p.m.YUL - SYD

1 stop42h 00mQatar Airways

Mon 10/113:50 p.m.SYD - YUL

1 stop38h 15mQatar Airways

Deal found 11/6C$ 2,019

Best flights from Ontario to Sydney
Discover carefully curated flight deals from Ontario to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 June 2025.

Sun 7/99:00 a.m.YYZ - SYD

2 stops32h 05mMultiple Airlines

Sun 21/95:45 p.m.SYD - YYZ

1 stop27h 14mMultiple Airlines

Deal found 11/6C$ 1,426

Sun 15/69:45 a.m.YUL - SYD

2 stops31h 15mUnited Airlines

Mon 30/69:30 a.m.SYD - YUL

2 stops36h 46mUnited Airlines

Deal found 12/6C$ 1,699

Mon 3/116:00 p.m.YOW - SYD

1 stop23h 35mAir Canada

Wed 26/1111:20 a.m.SYD - YOW

2 stops39h 00mAir Canada

Deal found 12/6C$ 1,909

Fri 29/84:45 p.m.YYZ - SYD

2 stops37h 00mAlaska Airlines

Fri 31/109:40 p.m.SYD - YYZ

2 stops32h 55mAlaska Airlines

Deal found 10/6C$ 1,950

Mon 1/94:25 p.m.YYZ - SYD

1 stop26h 35mChina Eastern

Fri 31/109:30 p.m.SYD - YYZ

1 stop31h 55mChina Eastern

Deal found 10/6C$ 1,969

Mon 25/89:35 p.m.YUL - SYD

1 stop42h 40mQatar Airways

Thu 2/102:50 p.m.SYD - YUL

1 stop37h 55mQatar Airways

Deal found 12/6C$ 2,032

Mon 8/96:30 p.m.YYZ - SYD

1 stop22h 05mQantas Airways

Sun 21/95:45 p.m.SYD - YYZ

1 stop27h 14mQantas Airways

Deal found 11/6C$ 2,033

Wed 20/88:30 a.m.YYZ - SYD

2 stops44h 45mANA

Wed 3/911:50 a.m.SYD - YYZ

2 stops26h 16mANA

Deal found 11/6C$ 2,084

Mon 1/94:40 p.m.YYZ - SYD

2 stops26h 05mAir New Zealand

Tue 30/910:50 a.m.SYD - YYZ

2 stops24h 50mAir New Zealand

Deal found 10/6C$ 2,101

Wed 27/810:55 a.m.YYZ - SYD

2 stops53h 25mJapan Airlines

Wed 10/98:55 a.m.SYD - YYZ

2 stops43h 35mJapan Airlines

Deal found 10/6C$ 2,110

Sat 2/85:29 p.m.YUL - SYD

2 stops47h 36mAmerican Airlines

Mon 25/812:10 p.m.SYD - YUL

2 stops24h 25mAmerican Airlines

Deal found 12/6C$ 2,178

Sun 15/66:30 p.m.YUL - SYD

1 stop22h 25mLufthansa

Sun 29/610:20 a.m.SYD - YUL

1 stop35h 56mLufthansa

Deal found 10/6C$ 2,248

Direct flights from Ontario to Sydney
Explore direct flight options from Ontario to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 June 2025.

Thu 6/116:30 p.m.YYZ - SYD

Nonstop23h 05mAir Canada

Mon 17/1111:20 a.m.SYD - YYZ

Nonstop21h 09mAir Canada

Deal found 11/6C$ 2,265

Fri 11/76:45 p.m.YYZ - SYD

Nonstop22h 35mMultiple Airlines

Tue 22/79:20 a.m.SYD - YYZ

Nonstop21h 08mMultiple Airlines

Deal found 11/6C$ 13,415

Last-minute flights from Ontario to Sydney
Discover last-minute flight deals from Ontario to Sydney. Data last updated 12 June 2025 and is based on user searches.

Sun 15/69:45 a.m.YUL - SYD

2 stops31h 15mUnited Airlines

Mon 30/69:30 a.m.SYD - YUL

2 stops36h 46mUnited Airlines

Deal found 12/6C$ 1,699

Sun 15/63:25 p.m.YTZ - SYD

2 stops25h 55mAir Canada

Tue 29/79:20 a.m.SYD - YTZ

2 stops23h 25mAir Canada

Deal found 10/6C$ 2,071

Mon 16/67:15 p.m.YUL - SYD

2 stops46h 05mAir Canada

Sun 13/79:20 a.m.SYD - YUL

2 stops27h 52mAir Canada

Deal found 12/6C$ 2,044

Tue 17/611:40 a.m.YYZ - SYD

2 stops29h 25mQantas Airways

Mon 23/69:10 a.m.SYD - YYZ

2 stops52h 18mQantas Airways

Deal found 11/6C$ 2,390

Tue 17/66:30 p.m.YYZ - SYD

2 stops47h 30mPhilippine Airlines

Mon 23/610:10 a.m.SYD - YYZ

2 stops34h 04mPhilippine Airlines

Deal found 10/6C$ 2,416

Thu 19/66:30 a.m.YYZ - SYD

2 stops42h 10mMultiple Airlines

Tue 8/711:30 a.m.SYD - YYZ

2 stops32h 44mMultiple Airlines

Deal found 11/6C$ 1,870

Thu 19/66:15 a.m.YUL - SYD

2 stops34h 45mUnited Airlines

Mon 30/610:20 a.m.SYD - YUL

2 stops23h 25mUnited Airlines

Deal found 12/6C$ 2,211

Thu 19/66:40 a.m.YOW - SYD

2 stops34h 20mUnited Airlines

Thu 10/79:30 a.m.SYD - YOW

2 stops26h 35mUnited Airlines

Deal found 9/6C$ 2,252

Thu 19/66:00 p.m.YOW - SYD

1 stop23h 20mAir Canada

Thu 10/79:20 a.m.SYD - YOW

2 stops36h 15mAir Canada

Deal found 11/6C$ 2,338

Thu 19/66:00 p.m.YUL - SYD

1 stop23h 20mAir Canada

Thu 10/79:20 a.m.SYD - YUL

1 stop21h 16mAir Canada

Deal found 11/6C$ 2,434

Thu 19/69:25 a.m.YKF - SYD

2 stops33h 20mMultiple Airlines

Thu 17/711:30 a.m.SYD - YKF

2 stops33h 40mMultiple Airlines

Deal found 10/6C$ 2,685

Sun 22/67:30 p.m.YYZ - SYD

2 stops26h 10mAir Canada

Tue 8/79:20 a.m.SYD - YYZ

2 stops25h 17mAir Canada

Deal found 9/6C$ 2,104

One-way flights from Ontario to Sydney
Search for one-way flight options from Ontario to Sydney. Find affordable one-way fares based on user searches. Data last updated 12 June 2025.

Sat 30/86:00 a.m.YHM - SYD

3 stops42h 40mMultiple Airlines

Deal found 11/6C$ 439

Tue 26/88:10 a.m.YUL - SYD

2 stops40h 30mMultiple Airlines

Deal found 10/6C$ 503

Sun 15/67:00 a.m.YOW - SYD

2 stops34h 30mMultiple Airlines

Deal found 11/6C$ 856

Tue 17/68:05 p.m.YYZ - SYD

2 stops45h 25mMultiple Airlines

Deal found 10/6C$ 871

Thu 19/66:15 a.m.YKF - SYD

3 stops42h 25mMultiple Airlines

Deal found 11/6C$ 898

Sun 15/67:00 a.m.YTZ - SYD

3 stops58h 30mMultiple Airlines

Deal found 12/6C$ 928

Fri 25/79:45 p.m.YXU - SYD

2 stops50h 55mMultiple Airlines

Deal found 9/6C$ 935

Wed 27/86:00 a.m.YKF - SYD

2 stops34h 35mWestJet

Deal found 11/6C$ 1,169

Wed 27/86:00 a.m.YHM - SYD

2 stops34h 35mWestJet

Deal found 11/6C$ 1,194

Mon 1/99:35 p.m.YUL - SYD

1 stop42h 40mQatar Airways

Deal found 10/6C$ 1,206

Mon 8/94:25 p.m.YYZ - SYD

1 stop26h 35mChina Eastern

Deal found 11/6C$ 1,215

Sun 7/91:35 a.m.YYZ - SYD

1 stop40h 25mPhilippine Airlines

Deal found 11/6C$ 1,226

Cheapflights Fare Finder

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

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Thu 25/9

2:00 p.m.-2:40 p.m.

2 stops34h 40m

Sydney Kingsford Smith

Mon 6/10

2:15 p.m.-6:59 a.m.

2 stops31h 44m

C$ 1,369

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 25/8

7:00 a.m.-7:30 a.m.

2 stops34h 30m

Sydney Kingsford Smith

Sat 4/10

9:10 a.m.-12:41 a.m.

2 stops29h 31m

C$ 1,515

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 23/8

7:15 p.m.-7:30 a.m.

2 stops46h 15m

Sydney Kingsford Smith

Thu 4/9

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

2 stops27h 00m

C$ 1,546

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Mon 10/11

3:25 p.m.-9:35 a.m.

2 stops26h 10m

Sydney Kingsford Smith

Mon 1/12

11:20 a.m.-6:43 p.m.

2 stops23h 23m

C$ 1,906

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 3/11

6:00 p.m.-9:35 a.m.

1 stop23h 35m

Sydney Kingsford Smith

Wed 26/11

11:20 a.m.-10:20 a.m.

2 stops39h 00m

C$ 1,909

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 17/11

6:30 p.m.-9:35 a.m.

1 stop23h 05m

Sydney Kingsford Smith

Mon 15/12

11:20 a.m.-4:29 p.m.

1 stop21h 09m

C$ 1,913

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Fri 29/8

4:45 p.m.-7:45 p.m.

2 stops37h 00m

Sydney Kingsford Smith

Tue 4/11

9:40 p.m.-3:35 p.m.

2 stops33h 55m

C$ 1,950

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

10:10 p.m.-9:35 a.m.

2 stops44h 25m

Sydney Kingsford Smith

Sat 8/11

11:20 a.m.-9:04 p.m.

1 stop25h 44m

C$ 1,966

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 1/9

4:25 p.m.-9:00 a.m.

1 stop26h 35m

Sydney Kingsford Smith

Fri 31/10

9:30 p.m.-2:25 p.m.

1 stop31h 55m

C$ 1,969

HamiltonSydney

YHM - SYD

YHMSYD

Hamilton

Fri 25/7

7:05 a.m.-9:45 a.m.

3 stops36h 40m

Sydney Kingsford Smith

Fri 1/8

4:20 p.m.-11:53 p.m.

3 stops45h 33m

C$ 2,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 54 results

...

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, February is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of C$ 1,326). Flying from Region of Ontario to Sydney in December is currently the most expensive (average of C$ 1,881). 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?

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.

Rainfall in Sydney by month

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 mm per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

To help decide which airline to fly from Ontario to Sydney, see what other customers have to say about Japan Airlines, ANA and Asiana Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Japan Airlines

8.3

Very good

1,490 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

Japan Airlines

8.3

Very good

1,490 reviews

Japan Airlines

8.3

Very good

1,490 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

ANA

8.3

Very good

882 reviews

Japan Airlines

8.3

Very good

1,490 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

Asiana Airlines

8.2

Very good

440 reviews

Japan Airlines

8.3

Very good

1,490 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

Emirates

8.1

Very good

3,264 reviews

Japan Airlines

8.3

Very good

1,490 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

Delta

8.0

Very good

7,946 reviews

Japan Airlines

8.3

Very good

1,490 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

Related info for your journey

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?
The cheapest airlines for a one-way flight from Region of Ontario to Sydney are WestJet (C$ 1,169), Qatar Airways (C$ 1,206), and China Eastern (C$ 1,215).
What are the most popular routes from Region of Ontario to Sydney?
While some choose either Toronto Island - Sydney Kingsford Smith or Montreal Pierre Elliott Trudeau Intl - Sydney Kingsford Smith, Toronto Pearson Intl - Sydney Kingsford Smith is the most popular route from Region of Ontario to Sydney.
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, February is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of C$ 1,326). Flying from Region of Ontario to Sydney in December is currently the most expensive (average of C$ 1,881). 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

Parramatta

Penrith

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Ontario to Sydney

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 217	AverageC$ 354	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 262	AverageC$ 373	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Delta	CheapestC$ 373	AverageC$ 1,387	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Fiji Airways	CheapestC$ 976	AverageC$ 1,083	FlexibilityNo cancel fee	On-time74%	Search Fiji Airways flights
American Airlines	CheapestC$ 1,081	AverageC$ 1,244	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Alaska Airlines	CheapestC$ 1,161	AverageC$ 1,747	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
United Airlines	CheapestC$ 1,206	AverageC$ 2,100	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 1,531	AverageC$ 2,244	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Qantas Airways	CheapestC$ 1,682	AverageC$ 2,143	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Air New Zealand	CheapestC$ 1,684	AverageC$ 1,988	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights

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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.

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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.

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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.

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Cheap flights from Ontario to Sydney from C$ 439

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.

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 12 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Sydney

Cheapest flights from Ontario to SydneyExplore 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 12 June 2025.

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 12 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Sydney that are best for you.

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.

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?

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 12 June 2025.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

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 12 June 2025.

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?

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

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

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

How can I find direct flights from Ontario to Sydney?

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

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

Travelling to a place near Ontario?

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Alternative routes for Ontario to Sydney

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Top 10 airlines flying from Ontario to Sydney

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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 12 June 2025.