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Cheap flights from Ontario to Sydney from $498

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.
Multiple Airlines Logo
9:55 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
38h 50m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 10:43 pmSYD  Sydney Kingsford Smith-ONT Ontario
20h 03m1 stop Honolulu
$999Multiple Airlines
Sun, Nov 1 - Sun, Nov 15
Multiple Airlines Logo
8:03 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
40h 42m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:25 pmSYD  Sydney Kingsford Smith-ONT Ontario
18h 45m1 stop Honolulu
$1,000Multiple Airlines
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
7:00 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
17h 45m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:28 pmSYD  Sydney Kingsford Smith-ONT Ontario
18h 48m1 stop Honolulu
$1,001Multiple Airlines
Mon, Feb 1 - Tue, Feb 16
Multiple Airlines Logo
7:00 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
18h 45m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 10:43 pmSYD  Sydney Kingsford Smith-ONT Ontario
20h 03m1 stop Honolulu
$1,002Multiple Airlines
Mon, Oct 26 - Tue, Nov 17
Multiple Airlines Logo
7:00 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
18h 45m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 10:43 pmSYD  Sydney Kingsford Smith-ONT Ontario
20h 03m1 stop Honolulu
$1,003Multiple Airlines
Mon, Oct 26 - Sun, Nov 15
Multiple Airlines Logo
7:00 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
17h 45m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:28 pmSYD  Sydney Kingsford Smith-ONT Ontario
18h 48m1 stop Honolulu
$1,009Multiple Airlines
Wed, Feb 3 - Sun, Feb 14
Multiple Airlines Logo
9:00 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
39h 45m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:28 pmSYD  Sydney Kingsford Smith-ONT Ontario
17h 48m1 stop Honolulu
$1,017Multiple Airlines
Tue, Mar 2 - Tue, Mar 16
Multiple Airlines Logo
9:00 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
39h 45m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:28 pmSYD  Sydney Kingsford Smith-ONT Ontario
18h 48m1 stop Honolulu
$1,018Multiple Airlines
Tue, Feb 16 - Tue, Mar 9
Multiple Airlines Logo
9:55 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
38h 50m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 10:43 pmSYD  Sydney Kingsford Smith-ONT Ontario
20h 03m1 stop Honolulu
$1,020Multiple Airlines
Sun, Nov 1 - Tue, Nov 17
Multiple Airlines Logo
7:00 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
17h 45m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:28 pmSYD  Sydney Kingsford Smith-ONT Ontario
18h 48m1 stop Honolulu
$1,043Multiple Airlines
Wed, Feb 3 - Sat, Feb 13

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Delta flights from Ontario to Sydney

Our best Delta deals on Ontario to Sydney flight tickets
Delta
Nov 11
ONT6:00 amOntario
31h 30m
2 stops
SYD8:30 amSydney Kingsford Smith
Nov 18
SYD10:40 amSydney Kingsford Smith
32h 09m
2 stops
ONT11:49 pmOntario
$1,093
Delta
Nov 9
ONT6:00 amOntario
31h 30m
2 stops
SYD8:30 amSydney Kingsford Smith
Nov 16
SYD10:40 amSydney Kingsford Smith
32h 09m
2 stops
ONT11:49 pmOntario
$1,106
Delta
Oct 13
ONT6:00 amOntario
31h 50m
2 stops
SYD7:50 amSydney Kingsford Smith
Oct 17
SYD10:15 amSydney Kingsford Smith
29h 56m
2 stops
ONT10:11 pmOntario
$1,143

United Airlines flights from Ontario to Sydney

Our best United Airlines deals on Ontario to Sydney flight tickets
United Airlines
Oct 18
ONT4:03 pmOntario
21h 52m
1 stop
SYD7:55 amSydney Kingsford Smith
Nov 2
SYD11:50 amSydney Kingsford Smith
19h 39m
1 stop
ONT12:29 pmOntario
$1,121
United Airlines
Oct 18
ONT4:03 pmOntario
21h 52m
1 stop
SYD7:55 amSydney Kingsford Smith
Nov 2
SYD11:50 amSydney Kingsford Smith
19h 39m
1 stop
ONT12:29 pmOntario
$1,122
United Airlines
Oct 18
ONT4:03 pmOntario
21h 52m
1 stop
SYD7:55 amSydney Kingsford Smith
Nov 2
SYD11:50 amSydney Kingsford Smith
19h 39m
1 stop
ONT12:29 pmOntario
$1,123

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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Price

Cheapest round-trip

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Sun 11/1

9:55 am-7:45 pm

1 stop38h 50m

Sydney Kingsford Smith

Sun 11/15

9:40 pm-10:43 pm

1 stop20h 03m

$999

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Tue 12/1

8:03 am-7:45 pm

1 stop40h 42m

Sydney Kingsford Smith

Tue 12/8

9:40 pm-9:25 pm

1 stop18h 45m

$1,000
Quickest round-trip

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Mon 2/1

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Tue 2/16

9:40 pm-9:28 pm

1 stop18h 48m

$1,001

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Mon 10/26

7:00 am-7:45 pm

1 stop18h 45m

Sydney Kingsford Smith

Tue 11/17

9:40 pm-10:43 pm

1 stop20h 03m

$1,002

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Mon 10/26

7:00 am-7:45 pm

1 stop18h 45m

Sydney Kingsford Smith

Sun 11/15

9:40 pm-10:43 pm

1 stop20h 03m

$1,003

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 2/3

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Sun 2/14

9:40 pm-9:28 pm

1 stop18h 48m

$1,009

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Tue 3/2

9:00 am-7:45 pm

1 stop39h 45m

Sydney Kingsford Smith

Tue 3/16

9:40 pm-9:28 pm

1 stop17h 48m

$1,017

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Tue 2/16

9:00 am-7:45 pm

1 stop39h 45m

Sydney Kingsford Smith

Tue 3/9

9:40 pm-9:28 pm

1 stop18h 48m

$1,018

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Sun 11/1

9:55 am-7:45 pm

1 stop38h 50m

Sydney Kingsford Smith

Tue 11/17

9:40 pm-10:43 pm

1 stop20h 03m

$1,020

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 2/3

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Sat 2/13

9:40 pm-9:28 pm

1 stop18h 48m

$1,043

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 Tuesday when prices can be found for as low as $995. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,075.

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

$498

Fastest flight time

17h 45m

Direct flights

None
The best one-way flight to Sydney from Ontario in the past 72 hours is $498. The best round-trip flight deal from Ontario to Sydney found on momondo in the last 72 hours is $999.
The fastest flight from Ontario to Sydney takes 17h 45m
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. 17h 45m 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
Randwick
Cronulla
Manly
Terrigal
Lithgow
Charlestown
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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