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$542+ Cheap flights from Sydney (SYD) to Ontario (ONT)

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ONT
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Sydney to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Ontario (ONT). 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$946
(United Airlines)

One-way from

$542
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$894
Provider with most accurate pricing for Sydney Kingsford Smith-Ontario flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Ontario flights.
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From Sydney Kingsford Smith to Ontario
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One-way flight from Sydney Kingsford Smith to Ontario
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Highest demand for flights based on searches. 8% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Sydney to Ontario

Cheapest flights from Sydney to Ontario
Explore the most affordable flight options available from Sydney to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This United Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 10/2912:10 pmSYD - ONT
1 stop19h 00mUnited Airlines
Sat 11/83:15 pmONT - SYD
1 stop23h 00mUnited Airlines
Deal found 4/14$946
This Kissandfly.com deal was found by Cheapflights users on 4/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:20 amSYD - ONT
1 stop24h 41mLufthansa
Wed 5/216:48 pmONT - SYD
1 stop19h 07mLufthansa
Deal found 4/15$1,022
This Hawaiian Airlines deal was found by Cheapflights users on 4/14. 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.
Thu 11/139:40 pmSYD - ONT
1 stop19h 15mHawaiian Airlines
Fri 11/149:50 amONT - SYD
1 stop38h 55mHawaiian Airlines
Deal found 4/14$1,068
This Flightnetwork deal was found by Cheapflights users on 4/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:10 pmSYD - ONT
1 stop36h 50mChina Airlines
Tue 5/201:40 amONT - SYD
1 stop40h 05mChina Airlines
Deal found 4/15$1,087
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Thu 5/294:20 pmSYD - ONT
1 stop22h 35mMultiple Airlines
Thu 6/56:00 amONT - SYD
2 stops39h 40mMultiple Airlines
Deal found 4/13$1,254
This Delta deal was found by Cheapflights users on 4/13. 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 5/299:25 amSYD - ONT
2 stops31h 17mDelta
Thu 6/510:01 amONT - SYD
2 stops27h 34mDelta
Deal found 4/13$1,422
This Air Canada deal was found by Cheapflights users on 4/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:20 amSYD - ONT
2 stops22h 21mAir Canada
Sat 11/81:55 pmONT - SYD
2 stops24h 40mAir Canada
Deal found 4/14$1,481

Cheapflights Fare Finder

Customize your flight search to find flights from Sydney to Ontario 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 April 15, 2025.
Use the filters below to find and compare flights from Sydney to Ontario that are best for you.

Fly from

Sydney

Fly to

Ontario

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 9/27

10:20 am-9:56 pm

2 stops52h 36m

Ontario

Sun 12/7

5:40 am-6:20 am

2 stops29h 40m

$946

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 5/8

10:20 am-6:01 pm

1 stop24h 41m

Ontario

Wed 5/21

6:48 pm-6:55 am

1 stop19h 07m

$1,022

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 5/8

10:10 pm-6:00 pm

1 stop36h 50m

Ontario

Tue 5/20

1:40 am-10:45 am

1 stop40h 05m

$1,087

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 6/7

9:40 pm-9:55 pm

1 stop17h 15m

Ontario

Sat 6/14

9:00 am-7:45 pm

1 stop17h 45m

$1,214

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 5/29

4:20 pm-9:55 pm

1 stop22h 35m

Ontario

Thu 6/5

6:00 am-2:40 pm

2 stops39h 40m

$1,254

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 5/29

9:25 am-11:42 pm

2 stops31h 17m

Ontario

Thu 6/5

10:01 am-6:35 am

2 stops27h 34m

$1,422

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 5/30

4:20 pm-10:46 pm

2 stops47h 26m

$542

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 5/22

10:10 pm-6:00 pm

1 stop36h 50m

$688

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 10/1

10:20 am-5:17 pm

2 stops23h 57m

$762

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 5/6

9:40 pm-9:50 pm

1 stop17h 10m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 13 results
1
2

Compare providers for flights from Sydney to Ontario

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 Sydney to Ontario in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 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 Sydney-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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 Sydney-Ontario 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 Sydney to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Sydney to Ontario (average of $246). Flying from Sydney to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated April 15, 2025.
To help decide which airline to fly from Sydney to Ontario, see what other customers have to say about Japan Airlines, China Airlines and Delta. 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
1,440 reviews

Crew

8.7

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Japan Airlines
8.3
Very good
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
China Airlines
8.2
Very good
729 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Delta
8.0
Very good
7,918 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Hawaiian Airlines
7.9
Good
2,375 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
United Airlines
7.4
Good
8,658 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Related info for your journey

Find useful and relevant information for your journey from Sydney to Ontario. 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 Sydney to Ontario round-trip?

    Our cheapest airline available from Sydney to Ontario is United Airlines. Our recent data shows that you can find tickets from as low as $946 on this airline. Additional options worth looking into are Lufthansa and China Airlines, starting at $1,022 and $1,087 round-trip. Users have found that United Airlines is 5% cheaper than the other options available to this destination.

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

    $688 is the cheapest one-way deal found within the past few days, from China Airlines. You may also be able to find cheap deals on United Airlines and Hawaiian Airlines, with prices starting from $762 and $808, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Sydney to Ontario (average of $246). Flying from Sydney to Ontario in March is currently the most expensive (average of $328). 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.

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