What airlines fly to Sydney?

Qantas Airways, Fiji Airways and United Airlines are the top three most popular airlines that fly to Sydney from Ontario according to our data. Qantas Airways is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 14 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Sydney Kingsford Smith?

American Airlines, Hawaiian Airlines, and United Airlines are the most popular carriers operating from Ontario to Sydney Kingsford Smith

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.

$427 Cheap Flights from Ontario to Sydney in 2025

1 adult

0 bags

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Find the cheapest flights from Ontario to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

10:50 am - 6:55 amONT-SYD

27h 05m1 stop

12:10 pm - 10:48 pmSYD-ONT

27h 38m1 stop

$936American Airlines

Find Deal

Fri, Aug 8 - Fri, Aug 15

12:22 pm - 7:05 amONT-SYD

25h 43m2 stops

9:10 am - 5:52 pmSYD-ONT

25h 42m2 stops

$939American Airlines

Find Deal

Fri, Aug 8 - Fri, Aug 15

12:46 pm - 7:05 amONT-SYD

25h 19m2 stops

12:10 pm - 6:24 pmSYD-ONT

23h 14m1 stop

$940American Airlines

Find Deal

Fri, Aug 8 - Fri, Aug 15

2:31 pm - 10:10 amONT-SYD

26h 39m2 stops

10:00 pm - 6:54 pmSYD-ONT

37h 54m2 stops

$961American Airlines

Find Deal

Sun, Aug 17 - Tue, Sep 2

6:10 am - 7:15 pmONT-SYD

44h 05m2 stops

11:50 am - 12:13 pmSYD-ONT

41h 23m2 stops

$992

Find Deal

Sun, Aug 17 - Tue, Sep 2

9:45 am - 7:45 pmONT-SYD

39h 00m1 stop

9:40 pm - 9:55 pmSYD-ONT

19h 15m1 stop

$1,076Alaska Airlines

Find Deal

Sun, Nov 9 - Tue, Feb 10

9:45 am - 7:45 pmONT-SYD

39h 00m1 stop

9:40 pm - 9:55 pmSYD-ONT

19h 15m1 stop

$1,077Alaska Airlines

Find Deal

Wed, Nov 19 - Tue, Dec 2

6:50 pm - 6:55 amONT-SYD

19h 05m1 stop

10:20 am - 8:33 pmSYD-ONT

27h 13m1 stop

$1,114United Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 13

6:50 pm - 6:55 amONT-SYD

19h 05m1 stop

10:20 am - 5:37 pmSYD-ONT

24h 17m1 stop

$1,161United Airlines

Find Deal

Mon, Sep 1 - Sun, Sep 14

9:45 am - 7:45 pmONT-SYD

39h 00m1 stop

9:40 pm - 5:14 pmSYD-ONT

38h 34m1 stop

$1,174Hawaiian Airlines

Find Deal

Fri, Nov 7 - Fri, Nov 14

American Airlines flights from Ontario to Sydney

Our best American Airlines deals on Ontario to Sydney flight tickets

American Airlines

Aug 8

ONT10:50 amOntario

27h 05m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 15

SYD12:10 pmSydney Kingsford Smith

27h 38m

1 stop

ONT10:48 pmOntario

$936

Find similar

American Airlines

Aug 8

ONT12:22 pmOntario

25h 43m

2 stops

SYD7:05 amSydney Kingsford Smith

Aug 15

SYD9:10 amSydney Kingsford Smith

25h 42m

2 stops

ONT5:52 pmOntario

$939

Find similar

American Airlines

Aug 8

ONT12:46 pmOntario

25h 19m

2 stops

SYD7:05 amSydney Kingsford Smith

Aug 15

SYD12:10 pmSydney Kingsford Smith

23h 14m

1 stop

ONT6:24 pmOntario

$940

Find similar

United Airlines flights from Ontario to Sydney

Our best United Airlines deals on Ontario to Sydney flight tickets

United Airlines

Aug 30

ONT6:50 pmOntario

19h 05m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 13

SYD10:20 amSydney Kingsford Smith

27h 13m

1 stop

ONT8:33 pmOntario

$1,114

Find similar

United Airlines

Sep 1

ONT6:50 pmOntario

19h 05m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 14

SYD10:20 amSydney Kingsford Smith

24h 17m

1 stop

ONT5:37 pmOntario

$1,161

Find similar

United Airlines

Sep 1

ONT6:50 pmOntario

19h 05m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 13

SYD10:20 amSydney Kingsford Smith

18h 53m

1 stop

ONT12:13 pmOntario

$1,171

Find similar

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

Prices

Airlines

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

The cheapest day to depart from Ontario to Sydney is on a Sunday when prices can be found for as low as $1,014. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,093.

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

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Ontario to Sydney in the morning for as low as $949. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly at noon, with an average ticket price of $1,126. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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	$427
Fastest flight time	17h 45m
Direct flights	None
Airports in Sydney	1 airport

The best one-way flight to Sydney from Ontario in the past 72 hours is $427. The best round-trip flight deal from Ontario to Sydney found on momondo in the last 72 hours is $936.

The fastest flight from Ontario to Sydney takes 17h 45m

There are no direct flights from Ontario to Sydney. Popular non-direct route for this connection is Ontario Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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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.

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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.