Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ontario to Sydney from $501

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
7:00 am - 6:50 pmONT  Ontario-SYD Sydney Kingsford Smith
17h 50m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:42 pmSYD  Sydney Kingsford Smith-ONT Ontario
19h 02m1 stop Honolulu
$972Multiple Airlines
Wed, Oct 21 - Tue, Nov 3
Multiple Airlines Logo
7:00 am - 6:50 pmONT  Ontario-SYD Sydney Kingsford Smith
17h 50m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:18 pmSYD  Sydney Kingsford Smith-ONT Ontario
18h 38m1 stop Honolulu
$978Multiple Airlines
Wed, Oct 14 - Sun, Jan 31
Multiple Airlines Logo
7:00 am - 6:50 pmONT  Ontario-SYD Sydney Kingsford Smith
17h 50m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:42 pmSYD  Sydney Kingsford Smith-ONT Ontario
19h 02m1 stop Honolulu
$978Multiple Airlines
Wed, Oct 21 - Sun, Nov 1
Multiple Airlines Logo
7:00 am - 6:50 pmONT  Ontario-SYD Sydney Kingsford Smith
17h 50m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:29 pmSYD  Sydney Kingsford Smith-ONT Ontario
17h 49m1 stop Honolulu
$1,013Multiple Airlines
Mon, Oct 19 - Thu, Oct 29
Multiple Airlines Logo
7:00 am - 6:50 pmONT  Ontario-SYD Sydney Kingsford Smith
17h 50m1 stop Honolulu
Multiple Airlines Logo
8:45 pm - 9:29 pmSYD  Sydney Kingsford Smith-ONT Ontario
18h 44m1 stop Honolulu
$1,013Multiple Airlines
Wed, Oct 14 - Sat, Oct 24
Multiple Airlines Logo
7:00 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
18h 45m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:29 pmSYD  Sydney Kingsford Smith-ONT Ontario
17h 49m1 stop Honolulu
$1,040Multiple Airlines
Mon, Oct 26 - Fri, Oct 30
Multiple Airlines Logo
7:00 am - 7:45 pmONT  Ontario-SYD Sydney Kingsford Smith
18h 45m1 stop Honolulu
Multiple Airlines Logo
9:40 pm - 9:23 pmSYD  Sydney Kingsford Smith-ONT Ontario
18h 43m1 stop Honolulu
$1,047Multiple Airlines
Fri, Oct 30 - Thu, Nov 26
Delta Logo
9:45 am - 7:50 amONT  Ontario-SYD Sydney Kingsford Smith
28h 05m2 stops Salt Lake City Los Angeles
Delta Logo
9:40 am - 11:55 pmSYD  Sydney Kingsford Smith-ONT Ontario
32h 15m2 stops Los Angeles Salt Lake City
$1,055Delta
Tue, Oct 20 - Tue, Oct 27
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
$1,059Multiple Airlines
Fri, Feb 5 - 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
18h 48m1 stop Honolulu
$1,075Multiple Airlines
Wed, Feb 17 - Sun, Feb 28

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Ontario to Sydney

Our best United Airlines deals on Ontario to Sydney flight tickets
United Airlines
Sep 13
ONT7:13 pmOntario
18h 42m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 28
SYD10:20 amSydney Kingsford Smith
18h 58m
1 stop
ONT12:18 pmOntario
$1,087
United Airlines
Nov 4
ONT4:17 pmOntario
22h 03m
1 stop
SYD9:20 amSydney Kingsford Smith
Nov 18
SYD11:50 amSydney Kingsford Smith
19h 39m
1 stop
ONT12:29 pmOntario
$1,095
United Airlines
Oct 21
ONT4:03 pmOntario
21h 52m
1 stop
SYD7:55 amSydney Kingsford Smith
Oct 26
SYD9:20 amSydney Kingsford Smith
29h 31m
2 stops
ONT8:51 pmOntario
$1,099

Air New Zealand flights from Ontario to Sydney

Our best Air New Zealand deals on Ontario to Sydney flight tickets
Air New Zealand
Feb 14
ONT1:33 pmOntario
24h 02m
2 stops
SYD8:35 amSydney Kingsford Smith
Feb 24
SYD9:55 amSydney Kingsford Smith
32h 11m
2 stops
ONT11:06 pmOntario
$1,112
Air New Zealand
Feb 18
ONT1:33 pmOntario
24h 02m
2 stops
SYD8:35 amSydney Kingsford Smith
Feb 23
SYD7:25 pmSydney Kingsford Smith
41h 22m
2 stops
ONT5:47 pmOntario
$1,182
Air New Zealand
Feb 17
ONT1:33 pmOntario
24h 02m
2 stops
SYD8:35 amSydney Kingsford Smith
Feb 25
SYD9:55 amSydney Kingsford Smith
26h 52m
2 stops
ONT5:47 pmOntario
$1,241

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 10/21

7:00 am-6:50 pm

1 stop17h 50m

Sydney Kingsford Smith

Tue 11/3

9:40 pm-9:42 pm

1 stop19h 02m

$972

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 10/14

7:00 am-6:50 pm

1 stop17h 50m

Sydney Kingsford Smith

Sun 1/31

9:40 pm-9:18 pm

1 stop18h 38m

$978

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 10/21

7:00 am-6:50 pm

1 stop17h 50m

Sydney Kingsford Smith

Sun 11/1

9:40 pm-9:42 pm

1 stop19h 02m

$978
Quickest round-trip

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Mon 10/19

7:00 am-6:50 pm

1 stop17h 50m

Sydney Kingsford Smith

Thu 10/29

9:40 pm-9:29 pm

1 stop17h 49m

$1,013

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 10/14

7:00 am-6:50 pm

1 stop17h 50m

Sydney Kingsford Smith

Sat 10/24

8:45 pm-9:29 pm

1 stop18h 44m

$1,013

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Mon 10/26

7:00 am-7:45 pm

1 stop18h 45m

Sydney Kingsford Smith

Fri 10/30

9:40 pm-9:29 pm

1 stop17h 49m

$1,040

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Fri 10/30

7:00 am-7:45 pm

1 stop18h 45m

Sydney Kingsford Smith

Thu 11/26

9:40 pm-9:23 pm

1 stop18h 43m

$1,047

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Tue 10/20

9:45 am-7:50 am

2 stops28h 05m

Sydney Kingsford Smith

Tue 10/27

9:40 am-11:55 pm

2 stops32h 15m

$1,055

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Fri 2/5

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Sun 2/14

9:40 pm-9:28 pm

1 stop18h 48m

$1,059

OntarioSydney

ONT Ontario - SYD Sydney Kingsford Smith

ONTSYD

Ontario

Wed 2/17

9:00 am-7:45 pm

1 stop39h 45m

Sydney Kingsford Smith

Sun 2/28

9:40 pm-9:28 pm

1 stop18h 48m

$1,075

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 Wednesday when prices can be found for as low as $996. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,085.

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

$501

Fastest flight time

17h 45m

Direct flights

None
The best one-way flight to Sydney from Ontario in the past 72 hours is $501. The best round-trip flight deal from Ontario to Sydney found on momondo in the last 72 hours is $972.
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
Cronulla
Leura
Randwick
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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 10/7
Wed 10/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia