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$465+ Cheap flights from Ontario (ONT) to Sydney (SYD)

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Ontario to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$967
(Hawaiian Airlines)

One-way from

$465
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$983
Provider with most accurate pricing for Ontario-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Ontario-Sydney Kingsford Smith flights.
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From Ontario to Sydney Kingsford Smith
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One-way flight from Ontario to Sydney Kingsford Smith
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High demand for flights, 6% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 2025
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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 January 16, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:50 amONT - SYD
1 stop38h 55mHawaiian Airlines
Thu 11/209:40 pmSYD - ONT
1 stop19h 15mHawaiian Airlines
Deal found 1/15$862
This Kiwi.com deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:58 pmONT - SYD
2 stops47h 02mMultiple Airlines
Mon 3/315:20 pmSYD - ONT
1 stop21h 35mMultiple Airlines
Deal found 1/16$958
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/166:41 pmONT - SYD
1 stop19h 14mUnited Airlines
Wed 7/910:20 amSYD - ONT
1 stop16h 39mUnited Airlines
Deal found 1/16$1,020
This Delta deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:00 amONT - SYD
2 stops31h 35mDelta
Mon 5/129:25 amSYD - ONT
2 stops31h 20mDelta
Deal found 1/16$1,075
This Alaska Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/67:01 pmONT - SYD
3 stops29h 44mAlaska Airlines
Thu 2/209:40 pmSYD - ONT
2 stops32h 22mAlaska Airlines
Deal found 1/16$1,461
This Fly & Visit Rome deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fly & Visit Rome is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/911:45 pmONT - SYD
1 stop42h 25mChina Airlines
Sun 3/2310:10 pmSYD - ONT
1 stop37h 40mChina Airlines
Deal found 1/16$1,825
This CheapOair deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:00 amONT - SYD
3 stops32h 35mAir Canada
Mon 3/3110:20 amSYD - ONT
2 stops28h 22mAir Canada
Deal found 1/16$2,702
This Qatar Airways deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/111:57 amONT - SYD
2 stops35h 53mQatar Airways
Sat 3/89:40 pmSYD - ONT
2 stops38h 39mQatar Airways
Deal found 1/15$2,808

Find flights from Ontario to Sydney within your budget

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 2,558,603 searches. Data last updated January 16, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 3/5

6:58 pm-1:00 pm

2 stops47h 02m

Sydney Kingsford Smith

Mon 3/31

5:20 pm-8:55 pm

1 stop21h 35m

$958

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 3/5

9:45 am-7:45 pm

1 stop39h 00m

Sydney Kingsford Smith

Thu 3/13

9:40 pm-8:55 pm

1 stop17h 15m

$967

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Mon 6/16

6:41 pm-6:55 am

1 stop19h 14m

Sydney Kingsford Smith

Tue 7/1

10:20 am-9:59 am

1 stop16h 39m

$1,020

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Thu 5/8

6:00 am-6:35 am

2 stops31h 35m

Sydney Kingsford Smith

Mon 5/12

9:25 am-11:45 pm

2 stops31h 20m

$1,075

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Thu 2/6

7:01 pm-7:45 pm

3 stops29h 44m

Sydney Kingsford Smith

Thu 2/20

9:40 pm-11:02 am

2 stops32h 22m

$1,461

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 3/9

11:45 pm-12:10 pm

1 stop42h 25m

Sydney Kingsford Smith

Sun 3/23

10:10 pm-5:50 pm

1 stop37h 40m

$1,825

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 3/5

6:00 am-9:35 am

3 stops32h 35m

Sydney Kingsford Smith

Mon 3/31

10:20 am-8:42 pm

2 stops28h 22m

$2,702

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sat 3/1

11:57 am-6:50 pm

2 stops35h 53m

Sydney Kingsford Smith

Sat 3/8

9:40 pm-5:19 pm

2 stops38h 39m

$2,808

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Mon 3/17

6:45 pm-9:15 am

1 stop20h 30m

$494

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 6/11

9:50 am-2:40 pm

1 stop35h 50m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 16 results
1
2

Compare providers for flights from Ontario to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Sydney in January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Ontario to Sydney

Get recent, data-driven insights about flights from Ontario to Sydney including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Sydney (average of $1,051). Flying from Ontario to Sydney in December is currently the most expensive (average of $1,643). 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 ONT 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 January 16, 2025.

One of the essential ways to save on airfare from Ontario to Sydney is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 26% on airfare.

Rainfall in Sydney by month

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

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals 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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 January 16, 2025.
See what other customers who have flown with United Airlines, Hawaiian Airlines and Qatar Airways from Ontario to Sydney have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,448 reviews

Comfort

8.2

Entertainment

7.8

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines
8.3
Very good
1,448 reviews
Japan Airlines
8.3
Very good
1,448 reviews

Comfort

8.2

Entertainment

7.8

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Asiana Airlines
8.3
Very good
466 reviews
Japan Airlines
8.3
Very good
1,448 reviews

Comfort

8.2

Entertainment

7.8

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

China Airlines
8.2
Very good
737 reviews
Japan Airlines
8.3
Very good
1,448 reviews

Comfort

8.2

Entertainment

7.8

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Alaska Airlines
8.0
Very good
9,681 reviews
Japan Airlines
8.3
Very good
1,448 reviews

Comfort

8.2

Entertainment

7.8

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Hawaiian Airlines
7.9
Good
2,320 reviews
Japan Airlines
8.3
Very good
1,448 reviews

Comfort

8.2

Entertainment

7.8

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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 are the cheapest airlines flying from Ontario to Sydney round-trip?

    Cheapflights users have booked flights from Ontario to Sydney round-trip from $967. Other airlines that can offer you cheap pricing are United Airlines, from $970, and Alaska Airlines, from $1,461. Hawaiian Airlines is 7% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $469 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 Lufthansa and Hawaiian Airlines, with prices starting from $487 and $577, respectively.

  • 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 Ontario to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Sydney (average of $1,051). Flying from Ontario to Sydney in December is currently the most expensive (average of $1,643). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
Manly

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Top 2 airlines flying from Ontario to Sydney

Discover the top 2 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 2,558,603 searches. Data last updated January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$493Average$855FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$1,042Average$1,087FlexibilityNo cancel feeOn-time74%
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