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

United Airlines, at $1,348, was found to be the cheapest airline from Sydney to Ontario.Alternate airlines to your destination round-trip include Hawaiian Airlines and China Airlines. United Airlines is currently priced 20% 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 United Airlines, which is currently one of the cheapest options available, starting at $814. Lufthansa flights start at $818 while deals on Hawaiian Airlines start at $1,021 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 14% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,398 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,398.

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 $1,343. Cheapflights users have found deals in the month of May for as cheap as $933. 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.

$814+ Flights from Sydney to Ontario

Cheap flight deals from Sydney to Ontario

Round-trip from	$1,348
One-way from	$814
Popular in	April
Cheapest in	September
Average price	$1,320

United Airlines
7/3-14/3
4 total stops
79h 30m total
Sydney to Ontario

Search Deals

United Airlines
25/2
1 total stop
29h 09m total
Sydney to Ontario

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($577 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($230 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 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 21 February 2025.

Fri 21/216:15SYD - ONT

1 stop17h 14mUnited Airlines

Sun 9/318:45ONT - SYD

1 stop20h 30mUnited Airlines

Deal found 20/2$1,345

Sun 23/212:10SYD - ONT

1 stop27h 30mLufthansa

Tue 11/318:45ONT - SYD

1 stop20h 30mLufthansa

Deal found 20/2$1,375

Fri 21/221:40SYD - ONT

1 stop19h 10mHawaiian Airlines

Tue 25/209:45ONT - SYD

1 stop39h 00mHawaiian Airlines

Deal found 20/2$1,554

Mon 1/922:10SYD - ONT

1 stop37h 30mChina Airlines

Sun 7/900:45ONT - SYD

1 stop41h 00mChina Airlines

Deal found 21/2$1,798

Sat 14/618:10SYD - ONT

2 stops40h 50mMultiple Airlines

Fri 27/600:10ONT - SYD

1 stop41h 35mMultiple Airlines

Deal found 21/2$2,262

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 21 February 2025.

Fri 7/311:50SYD - ONT

2 stops29h 55mUnited Airlines

Fri 14/313:40ONT - SYD

2 stops49h 35mUnited Airlines

Deal found 20/2$1,348

Sun 27/421:40SYD - ONT

1 stop17h 10mHawaiian Airlines

Fri 2/509:45ONT - SYD

1 stop41h 00mHawaiian Airlines

Deal found 20/2$1,579

Sun 27/422:10SYD - ONT

1 stop36h 50mChina Airlines

Thu 1/500:10ONT - SYD

1 stop41h 35mChina Airlines

Deal found 20/2$1,834

Sat 14/618:10SYD - ONT

2 stops40h 50mMultiple Airlines

Fri 27/600:10ONT - SYD

1 stop41h 35mMultiple Airlines

Deal found 21/2$2,262

Thu 24/420:45SYD - ONT

2 stops44h 14mQatar Airways

Thu 8/511:46ONT - SYD

2 stops36h 24mQatar Airways

Deal found 20/2$3,617

Sat 26/409:20SYD - ONT

2 stops25h 36mAir Canada

Fri 23/506:00ONT - SYD

3 stops32h 20mAir Canada

Deal found 21/2$4,391

Last-minute flights from Sydney to Ontario
Discover last-minute flight deals from Sydney to Ontario. Data last updated 21 February 2025 and is based on user searches.

Fri 21/216:15SYD - ONT

1 stop17h 14mUnited Airlines

Sun 9/318:45ONT - SYD

1 stop20h 30mUnited Airlines

Deal found 20/2$1,345

Fri 21/221:40SYD - ONT

1 stop19h 10mHawaiian Airlines

Tue 25/209:45ONT - SYD

1 stop39h 00mHawaiian Airlines

Deal found 20/2$1,554

Sun 23/212:10SYD - ONT

1 stop27h 30mLufthansa

Tue 11/318:45ONT - SYD

1 stop20h 30mLufthansa

Deal found 20/2$1,375

Thu 27/212:10SYD - ONT

2 stops27h 42mUnited Airlines

Thu 6/305:05ONT - SYD

2 stops33h 10mUnited Airlines

Deal found 20/2$1,348

Sun 2/321:40SYD - ONT

1 stop19h 10mHawaiian Airlines

Sun 18/509:50ONT - SYD

1 stop40h 55mHawaiian Airlines

Deal found 21/2$1,856

Mon 3/322:10SYD - ONT

1 stop37h 40mChina Airlines

Sun 16/323:45ONT - SYD

1 stop42h 25mChina Airlines

Deal found 21/2$1,878

Mon 3/321:40SYD - ONT

2 stops42h 47mQatar Airways

Sun 16/310:57ONT - SYD

2 stops37h 53mQatar Airways

Deal found 21/2$4,067

Wed 5/322:10SYD - ONT

1 stop37h 40mChina Airlines

Mon 31/300:10ONT - SYD

1 stop41h 35mChina Airlines

Deal found 21/2$1,823

Thu 6/322:00SYD - ONT

2 stops39h 57mAmerican Airlines

Mon 10/314:54ONT - SYD

1 stop21h 41mAmerican Airlines

Deal found 20/2$15,510

Sat 8/318:10SYD - ONT

2 stops41h 40mMultiple Airlines

Sat 15/323:45ONT - SYD

2 stops46h 20mMultiple Airlines

Deal found 21/2$2,239

Sat 8/321:40SYD - ONT

2 stops43h 44mQatar Airways

Tue 25/306:00ONT - SYD

2 stops42h 50mQatar Airways

Deal found 19/2$3,697

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 21 February 2025.

Tue 25/211:50SYD - ONT

1 stop29h 09mUnited Airlines

Deal found 20/2$814

Thu 13/311:50SYD - ONT

1 stop28h 09mLufthansa

Deal found 20/2$818

Mon 21/416:20SYD - ONT

1 stop22h 30mMultiple Airlines

Deal found 20/2$1,018

Tue 20/521:40SYD - ONT

1 stop17h 15mHawaiian Airlines

Deal found 20/2$1,021

Thu 22/522:10SYD - ONT

1 stop36h 50mChina Airlines

Deal found 20/2$1,141

Sun 6/408:55SYD - ONT

2 stops50h 28mJapan Airlines

Deal found 20/2$2,601

Sun 11/509:20SYD - ONT

2 stops28h 14mAir Canada

Deal found 21/2$3,095

Thu 10/420:45SYD - ONT

2 stops38h 38mQatar Airways

Deal found 19/2$3,154

Tue 13/514:40SYD - ONT

3 stops44h 44mBritish Airways

Deal found 21/2$5,481

Mon 31/320:50SYD - ONT

2 stops37h 52mWestJet

Deal found 21/2$7,097

Find flights from Sydney to Ontario within your budget

Fly from

Fly to

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 7/3

11:50-22:45

2 stops29h 55m

Ontario

Fri 14/3

13:40-09:15

2 stops49h 35m

$1,348

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 27/4

21:40-21:50

1 stop17h 10m

Ontario

Fri 2/5

09:45-19:45

1 stop41h 00m

$1,579

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 27/4

22:10-18:00

1 stop36h 50m

Ontario

Thu 1/5

00:10-10:45

1 stop41h 35m

$1,834

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 14/6

18:10-18:00

2 stops40h 50m

Ontario

Fri 27/6

00:10-10:45

1 stop41h 35m

$2,262

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 24/4

20:45-23:59

2 stops44h 14m

Ontario

Thu 8/5

11:46-17:10

2 stops36h 24m

$3,617

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 26/4

09:20-17:56

2 stops25h 36m

Ontario

Fri 23/5

06:00-07:20

3 stops32h 20m

$4,391

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 27/2

11:50-21:59

1 stop29h 09m

$814

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 13/3

11:50-21:59

1 stop28h 09m

$818

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 21/4

16:20-21:50

1 stop22h 30m

$1,018

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 20/5

21:40-21:55

1 stop17h 15m

$1,021

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 16 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.

Travel insights for flights from Sydney to Ontario

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

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 Hawaiian Airlines 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

L,Nov 2024

SNA - SEA

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

1,440 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

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

727 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

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

2,316 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

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

Qatar Airways

7.4

Good

3,609 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

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

United Airlines

7.4

Good

8,759 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

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

What are the cheapest airlines flying from Sydney to Ontario round-trip?
United Airlines, at $1,348, was found to be the cheapest airline from Sydney to Ontario.Alternate airlines to your destination round-trip include Hawaiian Airlines and China Airlines. United Airlines is currently priced 20% 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 United Airlines, which is currently one of the cheapest options available, starting at $814. Lufthansa flights start at $818 while deals on Hawaiian Airlines start at $1,021 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$1,153	Average$1,453	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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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 $814

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 27/2. 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 21 February 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 21 February 2025.

Find flights from Sydney to Ontario within your budget

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.

Travel insights for flights from Sydney to Ontario

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

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 Hawaiian Airlines 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 21 February 2025.