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$468+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ONT
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$878
(United Airlines)

One-way from

$468
(United Airlines)

Popular in

July

Cheapest in

August

Average price

$857
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 May 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 mayo 1, 2025.

This BestPriceTravel deal was found by Cheapflights users on 4/29. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/29:40 pmSYD - ONT
1 stop17h 10mHawaiian Airlines
mar. 5/69:45 amONT - SYD
1 stop41h 00mHawaiian Airlines
Deal found 4/29$873
This United Airlines deal was found by Cheapflights users on 4/29. 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.
dom. 6/110:20 amSYD - ONT
1 stop18h 54mUnited Airlines
sáb. 6/146:41 pmONT - SYD
1 stop19h 14mUnited Airlines
Deal found 4/29$878
This Kissandfly.com deal was found by Cheapflights users on 4/30. 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.
dom. 6/110:20 amSYD - ONT
1 stop18h 54mLufthansa
sáb. 6/146:41 pmONT - SYD
1 stop19h 14mLufthansa
Deal found 4/30$987
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
dom. 10/129:40 pmSYD - ONT
1 stop18h 15mAlaska Airlines
sáb. 10/259:50 amONT - SYD
1 stop38h 30mAlaska Airlines
Deal found 4/30$1,108
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/1910:10 pmSYD - ONT
1 stop36h 50mChina Airlines
lun. 9/812:45 amONT - SYD
1 stop41h 00mChina Airlines
Deal found 4/28$1,116
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/1910:10 pmSYD - ONT
1 stop36h 50mMultiple Airlines
dom. 5/259:50 amONT - SYD
1 stop35h 50mMultiple Airlines
Deal found 4/29$1,269

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 mayo 1, 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

dom. 6/1

10:20 am-12:14 pm

1 stop18h 54m

Ontario

sáb. 6/14

6:41 pm-6:55 am

1 stop19h 14m

$878

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

dom. 6/1

10:20 am-12:14 pm

1 stop18h 54m

Ontario

sáb. 6/14

6:41 pm-6:55 am

1 stop19h 14m

$987

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

mar. 10/14

9:40 pm-9:55 pm

1 stop18h 15m

Ontario

jue. 10/23

9:50 am-7:45 pm

1 stop39h 55m

$1,049

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

dom. 10/12

9:40 pm-9:55 pm

1 stop18h 15m

Ontario

sáb. 10/25

9:50 am-6:20 pm

1 stop38h 30m

$1,108

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

lun. 5/19

10:10 pm-6:00 pm

1 stop36h 50m

Ontario

lun. 9/8

12:45 am-10:45 am

1 stop41h 00m

$1,116

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

lun. 5/19

10:10 pm-6:00 pm

1 stop36h 50m

Ontario

dom. 5/25

9:50 am-2:40 pm

1 stop35h 50m

$1,269

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

dom. 6/1

10:20 am-12:14 pm

1 stop18h 54m

$468

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

vie. 5/9

4:20 pm-9:50 pm

1 stop22h 30m

$522

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

mar. 10/21

9:40 pm-9:55 pm

1 stop18h 15m

$683

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

mié. 5/21

10:10 pm-6:00 pm

1 stop36h 50m

$720

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 14 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 May.
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 mayo 1, 2025.
To help decide which airline to fly from Sydney to Ontario, see what other customers have to say about China Airlines, Alaska Airlines and Hawaiian 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.
China Airlines
8.3
Very good
732 reviews

Food

7.8

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very good
732 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Alaska Airlines
8.0
Very good
9,972 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Hawaiian Airlines
7.9
Good
2,408 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Qatar Airways
7.4
Good
3,563 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
United Airlines
7.4
Good
8,696 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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 $878 on this airline. Additional options worth looking into are Lufthansa and Hawaiian Airlines, starting at $987 and $1,049 round-trip. Users have found that United Airlines is 12% cheaper than the other options available to this destination.

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

    $468 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 Alaska Airlines and China Airlines, with prices starting from $683 and $720, 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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