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

United Airlines, at $1,498, was found to be the cheapest airline from Sydney to Ontario.Alternate airlines to your destination round-trip include China Airlines and Hawaiian Airlines. United Airlines is currently priced 5% below the average price you’ll pay for this route. Find deals

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

To fly one-way, consider booking your trip with China Airlines, which is currently one of the cheapest options available, starting at $1,089. United Airlines flights start at $1,207 while deals on Hawaiian Airlines start at $1,279 one-way. Find deals

What is the cheapest day to fly from Sydney to Ontario?

Travellers seeking maximum savings on their Sydney to Ontario flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

What is the cheapest day to fly return from Sydney to Ontario?

Sunday is generally a great day to depart. Flying on this day could help you save up to 31%.

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

To save on the cost of your flight from Sydney to Ontario, book at least 26 days before your planned departure. Booking around this time can save you about 13% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,359 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,509.

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

May can be a great time to fly to Ontario from Sydney with a flight ticket averaging about $1,364. Cheapflights users have found deals in the month of May for as cheap as $980. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from SYD to ONT?

When flying from Sydney to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 2% versus a flight in the morning.

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 holiday 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.

$858+ Flights from Sydney to Ontario

Cheap flight deals from Sydney to Ontario

Round-trip from	$1,498
One-way from	$858
Popular in	July
Cheapest in	August
Average price	$1,416

United Airlines
27/9-7/12
4 total stops
82h 16m total
Sydney to Ontario

Search Deals

30/5
2 total stops
47h 26m total
Sydney to Ontario

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($224 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($70 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 15 April 2025.

Wed 29/1012:10SYD - ONT

1 stop19h 00mUnited Airlines

Sat 8/1115:15ONT - SYD

1 stop23h 00mUnited Airlines

Deal found 14/4$1,498

Thu 8/510:20SYD - ONT

1 stop24h 41mLufthansa

Wed 21/518:48ONT - SYD

1 stop19h 07mLufthansa

Deal found 15/4$1,618

Thu 13/1121:40SYD - ONT

1 stop19h 15mHawaiian Airlines

Fri 14/1109:50ONT - SYD

1 stop38h 55mHawaiian Airlines

Deal found 14/4$1,691

Thu 8/522:10SYD - ONT

1 stop36h 50mChina Airlines

Tue 20/501:40ONT - SYD

1 stop40h 05mChina Airlines

Deal found 15/4$1,721

Thu 29/516:20SYD - ONT

1 stop22h 35mMultiple Airlines

Thu 5/606:00ONT - SYD

2 stops39h 40mMultiple Airlines

Deal found 13/4$1,986

Thu 29/509:25SYD - ONT

2 stops31h 17mDelta

Thu 5/610:01ONT - SYD

2 stops27h 34mDelta

Deal found 13/4$2,252

Wed 29/1010:20SYD - ONT

2 stops22h 21mAir Canada

Sat 8/1113:55ONT - SYD

2 stops24h 40mAir Canada

Deal found 14/4$2,345

Best flights from Sydney to Ontario
Discover carefully curated flight deals from Sydney to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 April 2025.

Sat 27/910:20SYD - ONT

2 stops52h 36mUnited Airlines

Sun 7/1205:40ONT - SYD

2 stops29h 40mUnited Airlines

Deal found 14/4$1,498

Thu 8/522:10SYD - ONT

1 stop36h 50mChina Airlines

Tue 20/501:40ONT - SYD

1 stop40h 05mChina Airlines

Deal found 15/4$1,721

Thu 29/516:20SYD - ONT

1 stop22h 35mMultiple Airlines

Thu 5/606:00ONT - SYD

2 stops39h 40mMultiple Airlines

Deal found 13/4$1,986

Sat 3/521:40SYD - ONT

1 stop17h 10mHawaiian Airlines

Fri 16/509:50ONT - SYD

1 stop40h 55mHawaiian Airlines

Deal found 14/4$2,041

Thu 29/509:25SYD - ONT

2 stops31h 17mDelta

Thu 5/610:01ONT - SYD

2 stops27h 34mDelta

Deal found 13/4$2,252

Thu 29/509:20SYD - ONT

2 stops30h 25mAir Canada

Thu 5/605:10ONT - SYD

3 stops33h 10mAir Canada

Deal found 13/4$3,056

Wed 8/1021:45SYD - ONT

2 stops42h 52mQatar Airways

Wed 5/1111:30ONT - SYD

2 stops36h 20mQatar Airways

Deal found 14/4$3,336

Last-minute flights from Sydney to Ontario
Discover last-minute flight deals from Sydney to Ontario. Data last updated 15 April 2025 and is based on user searches.

Tue 22/409:20SYD - ONT

2 stops25h 31mMultiple Airlines

Sat 26/413:20ONT - SYD

3 stops34h 30mMultiple Airlines

Deal found 15/4$4,566

Wed 23/410:20SYD - ONT

1 stop17h 45mUnited Airlines

Mon 28/415:55ONT - SYD

1 stop22h 00mUnited Airlines

Deal found 14/4$2,389

Wed 23/422:10SYD - ONT

1 stop36h 50mChina Airlines

Sun 27/400:10ONT - SYD

1 stop41h 35mChina Airlines

Deal found 14/4$3,455

Sat 3/521:40SYD - ONT

1 stop17h 10mHawaiian Airlines

Fri 16/509:50ONT - SYD

1 stop40h 55mHawaiian Airlines

Deal found 14/4$2,041

Wed 7/520:45SYD - ONT

2 stops37h 45mQatar Airways

Wed 14/511:46ONT - SYD

2 stops36h 24mQatar Airways

Deal found 13/4$3,613

Thu 8/510:20SYD - ONT

1 stop19h 04mUnited Airlines

Wed 21/518:48ONT - SYD

1 stop19h 07mUnited Airlines

Deal found 14/4$1,499

Thu 8/510:20SYD - ONT

1 stop24h 41mLufthansa

Wed 21/518:48ONT - SYD

1 stop19h 07mLufthansa

Deal found 15/4$1,618

Thu 8/522:10SYD - ONT

1 stop36h 50mChina Airlines

Tue 20/501:40ONT - SYD

1 stop40h 05mChina Airlines

Deal found 15/4$1,721

Thu 29/516:20SYD - ONT

1 stop22h 35mMultiple Airlines

Thu 5/606:00ONT - SYD

2 stops39h 40mMultiple Airlines

Deal found 13/4$1,986

Thu 29/509:25SYD - ONT

2 stops31h 17mDelta

Thu 5/610:01ONT - SYD

2 stops27h 34mDelta

Deal found 13/4$2,252

Thu 29/509:20SYD - ONT

2 stops30h 25mAir Canada

Thu 5/605:10ONT - SYD

3 stops33h 10mAir Canada

Deal found 13/4$3,056

One-way flights from Sydney to Ontario
Search for one-way flight options from Sydney to Ontario. Find affordable one-way fares based on user searches. Data last updated 15 April 2025.

Fri 30/516:20SYD - ONT

2 stops47h 26mMultiple Airlines

Deal found 15/4$858

Thu 22/522:10SYD - ONT

1 stop36h 50mChina Airlines

Deal found 13/4$1,089

Wed 1/1010:20SYD - ONT

2 stops23h 57mUnited Airlines

Deal found 14/4$1,207

Tue 6/521:40SYD - ONT

1 stop17h 10mHawaiian Airlines

Deal found 15/4$1,279

Fri 23/514:40SYD - ONT

3 stops44h 43mBritish Airways

Deal found 13/4$5,589

Sun 4/508:55SYD - ONT

2 stops47h 37mJapan Airlines

Deal found 15/4$6,568

Mon 12/509:20SYD - ONT

2 stops25h 41mAir Canada

Deal found 14/4$12,026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 27/9

10:20-21:56

2 stops52h 36m

Ontario

Sun 7/12

05:40-06:20

2 stops29h 40m

$1,498

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 8/5

10:20-18:01

1 stop24h 41m

Ontario

Wed 21/5

18:48-06:55

1 stop19h 07m

$1,618

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 8/5

22:10-18:00

1 stop36h 50m

Ontario

Tue 20/5

01:40-10:45

1 stop40h 05m

$1,721

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 29/5

16:20-21:55

1 stop22h 35m

Ontario

Thu 5/6

06:00-14:40

2 stops39h 40m

$1,986

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 3/5

21:40-21:50

1 stop17h 10m

Ontario

Fri 16/5

09:50-19:45

1 stop40h 55m

$2,041

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 29/5

09:25-23:42

2 stops31h 17m

Ontario

Thu 5/6

10:01-06:35

2 stops27h 34m

$2,252

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 29/5

09:20-22:45

2 stops30h 25m

Ontario

Thu 5/6

05:10-07:20

3 stops33h 10m

$3,056

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 8/10

21:45-22:37

2 stops42h 52m

Ontario

Wed 5/11

11:30-18:50

2 stops36h 20m

$3,336

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 30/5

16:20-22:46

2 stops47h 26m

$858

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 22/5

22:10-18:00

1 stop36h 50m

$1,089

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 15 results

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 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 Sydney to Ontario

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario 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 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Japan Airlines, China Airlines and Delta from Sydney to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

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

Check prices

Reviews

1 / 20

10.0

Excellent

mark,Nov 2024

YVR - NRT

China Airlines

8.2

Very Good

729 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mark,Nov 2024

YVR - NRT

Delta

8.0

Very Good

7,918 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mark,Nov 2024

YVR - NRT

Hawaiian Airlines

7.9

Good

2,375 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mark,Nov 2024

YVR - NRT

Qatar Airways

7.4

Good

3,551 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mark,Nov 2024

YVR - NRT

Related info for your journey

What are the cheapest airlines flying from Sydney to Ontario round-trip?
United Airlines, at $1,498, was found to be the cheapest airline from Sydney to Ontario.Alternate airlines to your destination round-trip include China Airlines and Hawaiian Airlines. United Airlines is currently priced 5% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Sydney to Ontario one-way?
To fly one-way, consider booking your trip with China Airlines, which is currently one of the cheapest options available, starting at $1,089. United Airlines flights start at $1,207 while deals on Hawaiian Airlines start at $1,279 one-way.
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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Sydney to Ontario

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,263	Average$1,771	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to Ontario?

Cheapflights makes it easy to find Sydney to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Ontario, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Sydney to Ontario from $858

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sydney to Ontario

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sydney to Ontario

Cheapest flights from Sydney to OntarioExplore 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 15 April 2025.

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 15 April 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Ontario

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Japan Airlines, China Airlines and Delta from Sydney to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

How can I find direct flights from Sydney to Ontario?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sydney to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Sydney to Ontario

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 Sydney to Ontario?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 15 April 2025.