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

Qatar Airways is the most popular carrier operating from Montreal to Sydney Kingsford Smith

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

Prices for flights from Montreal to Sydney Kingsford Smith Airport refresh daily.

How many operators does momondo search for flights from Montreal to Sydney Kingsford Smith Airport?

As of March 2026, there is 1 operator available to choose from for flights from Montreal to Sydney Kingsford Smith Airport.

How old do you have to be to fly from Montreal 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 stopovers 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 Montreal 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 licence 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.

$803 Cheap Flights from Montreal to Sydney in 2026

Q: What is the typical price of a round-trip flight between Montreal and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $1,966 to $2,457. The lowest price recently found on this route was $1,763.

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Find the cheapest flights from Montreal to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:35 - 06:55

YUL

SYD

22h 20m

1 stop

10:20 - 08:16

SYD

YUL

35h 56m

1 stop

$1,763United Airlines

Tue, 1 Sep - Tue, 15 Sep

09:15 - 08:00

YUL

SYD

31h 45m

2 stops

10:20 - 00:13

SYD

YUL

27h 53m

2 stops

$1,769United Airlines

Sun, 29 Mar - Tue, 14 Apr

15:00 - 07:00

YUL

SYD

25h 00m

2 stops

09:30 - 10:40

SYD

YUL

39h 10m

2 stops

$1,776United Airlines

Tue, 24 Mar - Mon, 13 Apr

11:23 - 07:00

YUL

SYD

29h 37m

2 stops

09:30 - 19:45

SYD

YUL

24h 15m

2 stops

$1,777United Airlines

Tue, 7 Apr - Tue, 28 Apr

14:13 - 07:55

YUL

SYD

50h 42m

2 stops

10:20 - 00:13

SYD

YUL

27h 53m

2 stops

$1,779United Airlines

Sat, 28 Mar - Sun, 19 Apr

18:35 - 06:55

YUL

SYD

22h 20m

1 stop

10:20 - 08:16

SYD

YUL

35h 56m

1 stop

$1,780United Airlines

Mon, 3 Aug - Wed, 19 Aug

18:35 - 06:55

YUL

SYD

22h 20m

1 stop

10:20 - 08:16

SYD

YUL

35h 56m

1 stop

$1,783United Airlines

Sun, 23 Aug - Tue, 8 Sep

07:00 - 12:05

YUL

SYD

39h 05m

2 stops

13:15 - 06:43

SYD

YUL

31h 28m

2 stops

$1,789Multiple Airlines

Mon, 1 Jun - Tue, 30 Jun

14:20 - 08:00

YUL

SYD

26h 40m

2 stops

09:30 - 21:26

SYD

YUL

25h 56m

2 stops

$1,796United Airlines

Wed, 1 Apr - Sun, 19 Apr

11:23 - 08:00

YUL

SYD

29h 37m

2 stops

09:30 - 22:06

SYD

YUL

26h 36m

2 stops

$1,797United Airlines

Wed, 1 Apr - Tue, 14 Apr

Delta flights from Montreal to Sydney

Our best Delta deals on Montreal to Sydney flight tickets

Delta

22 Aug

YUL12:45Montreal Pierre Elliott Trudeau Intl

28h 05m

2 stops

SYD06:50Sydney Kingsford Smith

8 Sept

SYD09:15Sydney Kingsford Smith

40h 29m

2 stops

YUL11:44Montreal Pierre Elliott Trudeau Intl

$1,820

Delta

16 Aug

YUL12:45Montreal Pierre Elliott Trudeau Intl

28h 05m

2 stops

SYD06:50Sydney Kingsford Smith

1 Sept

SYD09:15Sydney Kingsford Smith

28h 41m

2 stops

YUL23:56Montreal Pierre Elliott Trudeau Intl

$1,830

Delta

6 Mar

YUL18:00Montreal Pierre Elliott Trudeau Intl

44h 50m

2 stops

SYD06:50Sydney Kingsford Smith

9 Apr

SYD09:15Sydney Kingsford Smith

51h 58m

2 stops

YUL23:13Montreal Pierre Elliott Trudeau Intl

$2,205

United Airlines flights from Montreal to Sydney

Our best United Airlines deals on Montreal to Sydney flight tickets

United Airlines

1 Sept

YUL18:35Montreal Pierre Elliott Trudeau Intl

22h 20m

1 stop

SYD06:55Sydney Kingsford Smith

15 Sept

SYD10:20Sydney Kingsford Smith

35h 56m

1 stop

YUL08:16Montreal Pierre Elliott Trudeau Intl

$1,763

United Airlines

29 Mar

YUL09:15Montreal Pierre Elliott Trudeau Intl

31h 45m

2 stops

SYD08:00Sydney Kingsford Smith

14 Apr

SYD10:20Sydney Kingsford Smith

27h 53m

2 stops

YUL00:13Montreal Pierre Elliott Trudeau Intl

$1,769

United Airlines

24 Mar

YUL15:00Montreal Pierre Elliott Trudeau Intl

25h 00m

2 stops

SYD07:00Sydney Kingsford Smith

13 Apr

SYD09:30Sydney Kingsford Smith

39h 10m

2 stops

YUL10:40Montreal Pierre Elliott Trudeau Intl

$1,776

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Tue 15/9

10:20-08:16

1 stop35h 56m

$1,763

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

09:15-08:00

2 stops31h 45m

Sydney Kingsford Smith

Tue 14/4

10:20-00:13

2 stops27h 53m

$1,769

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

15:00-07:00

2 stops25h 00m

Sydney Kingsford Smith

Mon 13/4

09:30-10:40

2 stops39h 10m

$1,776

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

11:23-07:00

2 stops29h 37m

Sydney Kingsford Smith

Tue 28/4

09:30-19:45

2 stops24h 15m

$1,777

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 28/3

14:13-07:55

2 stops50h 42m

Sydney Kingsford Smith

Sun 19/4

10:20-00:13

2 stops27h 53m

$1,779

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 3/8

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Wed 19/8

10:20-08:16

1 stop35h 56m

$1,780

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Tue 8/9

10:20-08:16

1 stop35h 56m

$1,783

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

07:00-12:05

2 stops39h 05m

Sydney Kingsford Smith

Tue 30/6

13:15-06:43

2 stops31h 28m

$1,789

Fastest return journey

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

14:20-08:00

2 stops26h 40m

Sydney Kingsford Smith

Sun 19/4

09:30-21:26

2 stops25h 56m

$1,796

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

11:23-08:00

2 stops29h 37m

Sydney Kingsford Smith

Tue 14/4

09:30-22:06

2 stops26h 36m

$1,797

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal 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 typical price of a round-trip flight between Montreal and Sydney?

What is the cheapest month to fly to Sydney?

The month of September is, on average, the cheapest month to fly to Sydney from Montreal, with most prices found around $1,995. If you aren’t able to travel to Sydney during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $2,216.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,341 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Montreal for as low as $1,601 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 16% on your flight if you consider stops on a Montreal to Sydney flight.

How have Montreal to Sydney flight prices changed over time?

As of March 2026, prices for Montreal to Sydney flights are approximately 41% cheaper when compared to flights at the same time last year.

When to book flights from Montreal to Sydney

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

Estimated return price

Cheap Montreal to Sydney (YMQ to SYD) flight deals and tips

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

Fastest flight time	22h 20m
Direct flights	None

The fastest flight from Montreal to Sydney takes 22h 20m

There are no direct flights from Montreal to Sydney. There are no popular flight routes from Montreal to Sydney.

Search flight deals

How far is Montreal to Sydney Kingsford Smith by plane?
A flight from Montreal to Sydney Kingsford Smith will travel around 16019.1 km. 22h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Montreal to Sydney Kingsford Smith Airport?
Prices for flights from Montreal to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from Montreal to Sydney Kingsford Smith Airport?
As of March 2026, there is 1 operator available to choose from for flights from Montreal to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Montreal 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 stopovers 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 Montreal 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 licence 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.

Best airlines flying from Montreal to Sydney

Compare and see reviews for airlines that fly from Montreal to Sydney with momondo

Airline	Rating	Free cancellation	Price
Air Canada	PriceFrom $607	Free cancellation	Rating 7.1 10,777 reviews		Search Air Canada flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Leura

Coogee

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Sydney for you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Montreal.

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

If you are not ready to book a flight from Montreal to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.