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Cheap flights from Ontario to Sydney from $576

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air New Zealand Logo
1:33 pm - 6:20 amONT  Ontario-SYD Sydney Kingsford Smith
21h 47m1 stop San Francisco
Air New Zealand Logo
11:20 am - 9:57 amSYD  Sydney Kingsford Smith-ONT Ontario
16h 37m1 stop San Francisco
$1,149Air New Zealand
Sun, Mar 7 - Wed, Mar 31
Air New Zealand Logo
4:03 pm - 6:20 amONT  Ontario-SYD Sydney Kingsford Smith
20h 17m1 stop San Francisco
Air New Zealand Logo
10:20 am - 12:20 pmSYD  Sydney Kingsford Smith-ONT Ontario
19h 00m1 stop San Francisco
$1,153Air New Zealand
Wed, Mar 17 - Wed, Apr 7
Air New Zealand Logo
1:33 pm - 6:20 amONT  Ontario-SYD Sydney Kingsford Smith
22h 47m1 stop San Francisco
Air New Zealand Logo
10:20 am - 9:57 amSYD  Sydney Kingsford Smith-ONT Ontario
16h 37m1 stop San Francisco
$1,153Air New Zealand
Sun, Mar 21 - Mon, Apr 12
Air New Zealand Logo
4:00 pm - 6:20 amONT  Ontario-SYD Sydney Kingsford Smith
19h 20m1 stop San Francisco
Air New Zealand Logo
11:50 am - 12:33 pmSYD  Sydney Kingsford Smith-ONT Ontario
19h 43m1 stop San Francisco
$1,154Air New Zealand
Tue, Dec 29 - Tue, Jan 12
Air New Zealand Logo
9:45 am - 8:35 amONT  Ontario-SYD Sydney Kingsford Smith
27h 50m2 stops San Francisco Auckland Intl
Air New Zealand Logo
11:50 am - 6:03 pmSYD  Sydney Kingsford Smith-ONT Ontario
25h 13m2 stops Auckland Intl San Francisco
$1,157Air New Zealand
Tue, Jan 19 - Tue, Feb 2
Air New Zealand Logo
4:00 pm - 6:20 amONT  Ontario-SYD Sydney Kingsford Smith
19h 20m1 stop San Francisco
Air New Zealand Logo
11:50 am - 12:19 pmSYD  Sydney Kingsford Smith-ONT Ontario
19h 29m1 stop San Francisco
$1,173Air New Zealand
Wed, Dec 30 - Wed, Jan 13
Air New Zealand Logo
6:53 pm - 7:55 amONT  Ontario-SYD Sydney Kingsford Smith
19h 02m1 stop San Francisco
Air New Zealand Logo
10:20 am - 12:20 pmSYD  Sydney Kingsford Smith-ONT Ontario
19h 00m1 stop San Francisco
$1,173Air New Zealand
Sun, Mar 28 - Mon, Apr 19
Air New Zealand Logo
6:40 pm - 9:20 amONT  Ontario-SYD Sydney Kingsford Smith
19h 40m1 stop San Francisco
Air New Zealand Logo
11:50 am - 11:58 amSYD  Sydney Kingsford Smith-ONT Ontario
19h 08m1 stop San Francisco
$1,173Air New Zealand
Mon, Dec 7 - Wed, Dec 23
Air New Zealand Logo
2:00 pm - 6:20 amONT  Ontario-SYD Sydney Kingsford Smith
21h 20m1 stop San Francisco
Air New Zealand Logo
11:50 am - 12:33 pmSYD  Sydney Kingsford Smith-ONT Ontario
19h 43m1 stop San Francisco
$1,173Air New Zealand
Wed, Jan 27 - Tue, Feb 9
United Airlines Logo
2:00 pm - 6:20 amONT  Ontario-SYD Sydney Kingsford Smith
21h 20m1 stop San Francisco
United Airlines Logo
11:50 am - 10:22 amSYD  Sydney Kingsford Smith-ONT Ontario
17h 32m1 stop San Francisco
$1,177United Airlines
Wed, Feb 10 - Mon, Feb 15

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Air New Zealand flights from Ontario to Sydney

Our best Air New Zealand deals on Ontario to Sydney flight tickets
Air New Zealand
Mar 7
ONT1:33 pmOntario
21h 47m
1 stop
SYD6:20 amSydney Kingsford Smith
Mar 31
SYD11:20 amSydney Kingsford Smith
16h 37m
1 stop
ONT9:57 amOntario
$1,149
Air New Zealand
Mar 17
ONT4:03 pmOntario
20h 17m
1 stop
SYD6:20 amSydney Kingsford Smith
Apr 7
SYD10:20 amSydney Kingsford Smith
19h 00m
1 stop
ONT12:20 pmOntario
$1,153
Air New Zealand
Dec 29
ONT4:00 pmOntario
19h 20m
1 stop
SYD6:20 amSydney Kingsford Smith
Jan 12
SYD11:50 amSydney Kingsford Smith
19h 43m
1 stop
ONT12:33 pmOntario
$1,154

United Airlines flights from Ontario to Sydney

Our best United Airlines deals on Ontario to Sydney flight tickets
United Airlines
Apr 12
ONT4:03 pmOntario
21h 52m
1 stop
SYD6:55 amSydney Kingsford Smith
Apr 20
SYD10:20 amSydney Kingsford Smith
16h 37m
1 stop
ONT9:57 amOntario
$1,177
United Airlines
Apr 21
ONT6:53 pmOntario
19h 02m
1 stop
SYD6:55 amSydney Kingsford Smith
Jul 21
SYD10:20 amSydney Kingsford Smith
16h 37m
1 stop
ONT9:57 amOntario
$1,178
United Airlines
Dec 7
ONT6:40 pmOntario
19h 40m
1 stop
SYD9:20 amSydney Kingsford Smith
Dec 23
SYD9:15 amSydney Kingsford Smith
30h 45m
2 stops
ONT9:00 pmOntario
$1,182

momondo Fare Finder

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

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Cheapest round-trip

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Sun 3/7

1:33 pm-6:20 am

1 stop21h 47m

Sydney Kingsford Smith

Wed 3/31

11:20 am-9:57 am

1 stop16h 37m

$1,149

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 3/17

4:03 pm-6:20 am

1 stop20h 17m

Sydney Kingsford Smith

Wed 4/7

10:20 am-12:20 pm

1 stop19h 00m

$1,153

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Sun 3/21

1:33 pm-6:20 am

1 stop22h 47m

Sydney Kingsford Smith

Mon 4/12

10:20 am-9:57 am

1 stop16h 37m

$1,153

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Tue 12/29

4:00 pm-6:20 am

1 stop19h 20m

Sydney Kingsford Smith

Tue 1/12

11:50 am-12:33 pm

1 stop19h 43m

$1,154

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Tue 1/19

9:45 am-8:35 am

2 stops27h 50m

Sydney Kingsford Smith

Tue 2/2

11:50 am-6:03 pm

2 stops25h 13m

$1,157

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 12/30

4:00 pm-6:20 am

1 stop19h 20m

Sydney Kingsford Smith

Wed 1/13

11:50 am-12:19 pm

1 stop19h 29m

$1,173
Quickest round-trip

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Sun 3/28

6:53 pm-7:55 am

1 stop19h 02m

Sydney Kingsford Smith

Mon 4/19

10:20 am-12:20 pm

1 stop19h 00m

$1,173

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Mon 12/7

6:40 pm-9:20 am

1 stop19h 40m

Sydney Kingsford Smith

Wed 12/23

11:50 am-11:58 am

1 stop19h 08m

$1,173

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 1/27

2:00 pm-6:20 am

1 stop21h 20m

Sydney Kingsford Smith

Tue 2/9

11:50 am-12:33 pm

1 stop19h 43m

$1,173

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 2/10

2:00 pm-6:20 am

1 stop21h 20m

Sydney Kingsford Smith

Mon 2/15

11:50 am-10:22 am

1 stop17h 32m

$1,177

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Ontario to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Ontario to Sydney is on a Monday when prices can be found for as low as $1,001. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,083.

When to book flights from Ontario to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Sydney (ONT to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Sydney

Best Price Found

$576

Fastest flight time

19h 02m

Direct flights

None
The best one-way flight to Sydney from Ontario in the past 72 hours is $576. The best round-trip flight deal from Ontario to Sydney found on momondo in the last 72 hours is $1,149.
The fastest flight from Ontario to Sydney takes 19h 02m
There are no direct flights from Ontario to Sydney. There are no popular flight routes from Ontario to Sydney.
Search flight deals

Frequently asked questions about flying from Ontario to Sydney

  • How far is Ontario to Sydney Kingsford Smith by plane?

    A flight from Ontario to Sydney Kingsford Smith will travel around 7527.4 mi. 19h 02m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Ontario Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Ontario Airport to Sydney Kingsford Smith Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Wollongong
Penrith
Katoomba
Coogee
Leura
Manly
Terrigal
Cronulla
Lithgow
Charlestown
Randwick
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Ontario with this policy.

How can momondo help me find flights from Ontario to Sydney?

Once all potential Ontario to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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