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Cheap flights from Australia to Ontario from $651

SYD — ONT
25 Sep — 2 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Ontario

Thu 15/1020:45 -
1 stop18h 44m
Wed 21/1007:00 -
1 stop17h 50m
Deal found 23/8$995
Thu 27/820:45 -
1 stop18h 25m
Wed 9/909:31 -
1 stop40h 19m
Deal found 23/8$1,091
Thu 27/820:45 -
1 stop18h 25m
Fri 28/809:31 -
1 stop40h 19m
Deal found 24/8$1,115
Fri 4/920:45 -
1 stop18h 25m
Fri 11/909:31 -
1 stop40h 19m
Deal found 23/8$1,122
Wed 9/910:20 -
1 stop18h 52m
Sun 13/919:13 -
1 stop18h 42m
Deal found 24/8$1,135
Fri 4/1211:20 -
1 stop19h 00m
Sat 23/118:53 -
1 stop18h 37m
Deal found 21/8$1,287
Sun 11/1010:30 -
1 stop21h 52m
Sat 24/1016:03 -
1 stop21h 27m
Deal found 21/8$1,288
Fri 11/910:30 -
1 stop18h 42m
Fri 18/919:13 -
1 stop18h 17m
Deal found 25/8$1,293
Wed 21/1010:30 -
1 stop16h 53m
Fri 20/1118:37 -
1 stop18h 53m
Deal found 25/8$1,294
Wed 21/1010:30 -
1 stop16h 53m
Sat 21/1113:29 -
2 stops24h 01m
Deal found 25/8$1,295
Wed 9/910:30 -
1 stop24h 46m
Wed 16/913:56 -
1 stop23h 34m
Deal found 23/8$1,298
Mon 2/1111:20 -
1 stop19h 09m
Mon 9/1118:37 -
1 stop18h 53m
Deal found 24/8$1,301

Find flight deals from Australia to Ontario

Round-trip from

$995

One-way from

$651

Popular in

December

Cheapest in

August

Average price

$1,059
15/10-21/10
  • 15/10-21/10
  • 2 total stops
  • 36h 34m total
  • Australia to Ontario
Search Deals
Virgin Australia
  • Virgin Australia
  • 1/10
  • 1 total stop
  • 27h 11m total
  • Australia to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest return flight

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 29/10

11:50-20:15

1 stop26h 25m

Ontario

Mon 2/11

06:00-09:20

1 stop32h 20m

$1,143

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Wed 9/9

10:20-18:16

1 stop24h 56m

Ontario

Sat 26/9

06:00-06:55

2 stops55h 55m

$1,143

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 10/9

10:20-18:11

1 stop24h 51m

Ontario

Wed 14/10

13:24-07:55

2 stops48h 31m

$1,216

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Sat 17/10

11:20-21:59

2 stops28h 39m

Ontario

Sat 24/10

13:22-07:00

2 stops47h 38m

$1,219
Fastest return journey

BrisbaneOntario

BNE Brisbane - ONT Ontario

BNEONT

Brisbane

Fri 4/12

11:20-09:38

1 stop16h 18m

Ontario

Sat 23/1

18:53-07:30

1 stop18h 37m

$1,288

BrisbaneOntario

BNE Brisbane - ONT Ontario

BNEONT

Brisbane

Wed 21/10

10:30-10:23

1 stop16h 53m

Ontario

Thu 19/11

13:29-07:30

2 stops24h 01m

$1,295

BrisbaneOntario

BNE Brisbane - ONT Ontario

BNEONT

Brisbane

Fri 11/9

10:30-12:12

1 stop18h 42m

Ontario

Fri 18/9

13:18-06:30

2 stops24h 12m

$1,295

SydneyOntario

SYD Sydney Kingsford Smith - ONT Ontario

SYDONT

Sydney Kingsford Smith

Thu 10/9

20:45-22:10

1 stop18h 25m

Ontario

Thu 15/10

07:00-18:50

1 stop17h 50m

$1,342

BrisbaneOntario

BNE Brisbane - ONT Ontario

BNEONT

Brisbane

Thu 22/10

06:05-12:18

2 stops23h 13m

Ontario

Sat 21/11

16:17-07:30

1 stop21h 13m

$1,409

MelbourneOntario

MEL Melbourne - ONT Ontario

MELONT

Melbourne

Sat 10/10

11:55-22:51

1 stop28h 56m

Ontario

Fri 16/10

13:52-09:15

1 stop25h 23m

$1,449

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Australia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Australia with our price prediction graph.
Estimated return price

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Related info for your journey

  • What airport do you fly into for flights to Ontario from Australia?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Australia. Ontario is conveniently located just 4.9 km from Ontario’s city centre.

  • How long is the flight from Australia to Ontario?

    United Airlines can get you from Australia to Ontario in just under 26h 25m. Your travel time can differ by up to . The distance between Australia and Ontario is about 12125 km.

  • What are the most popular routes from Australia to Ontario?

    While some choose either Melbourne - Ontario or Brisbane - Ontario, Sydney Kingsford Smith - Ontario is the most popular route from Australia to Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia 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

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

Cheapflights makes it easy to find Australia 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 Australia to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Australia.

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

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

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

Not ready to book yet? You can track prices for flights from Australia to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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