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

Delta 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.

$810 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 $1,981 to $2,444. The lowest price recently found on this route was $1,660.

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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.

16:55 - 12:05

YUL

SYD

29h 10m

2 stops

13:15 - 06:51

SYD

YUL

31h 36m

2 stops

$1,660Multiple Airlines

Mon, 4 May - Mon, 11 May

16:55 - 11:50

YUL

SYD

28h 55m

2 stops

13:15 - 06:51

SYD

YUL

31h 36m

2 stops

$1,663Multiple Airlines

Sat, 2 May - Sat, 9 May

16:55 - 11:50

YUL

SYD

28h 55m

2 stops

13:20 - 06:51

SYD

YUL

31h 31m

2 stops

$1,683Multiple Airlines

Wed, 6 May - Wed, 13 May

16:55 - 11:50

YUL

SYD

28h 55m

2 stops

13:15 - 06:51

SYD

YUL

31h 36m

2 stops

$1,685Multiple Airlines

Tue, 5 May - Tue, 12 May

12:45 - 06:50

YUL

SYD

28h 05m

2 stops

09:15 - 23:34

SYD

YUL

28h 19m

2 stops

$1,699Delta

Wed, 22 Jul - Sun, 9 Aug

12:42 - 06:50

YUL

SYD

52h 08m

2 stops

09:15 - 23:08

SYD

YUL

27h 53m

2 stops

$1,700Delta

Sat, 18 Apr - Sun, 26 Apr

07:00 - 06:50

YUL

SYD

33h 50m

2 stops

09:15 - 23:57

SYD

YUL

28h 42m

2 stops

$1,702Delta

Sun, 3 May - Mon, 18 May

07:00 - 06:50

YUL

SYD

33h 50m

2 stops

09:15 - 23:57

SYD

YUL

28h 42m

2 stops

$1,703Delta

Sun, 3 May - Mon, 18 May

12:45 - 06:50

YUL

SYD

28h 05m

2 stops

09:15 - 23:10

SYD

YUL

27h 55m

2 stops

$1,750Delta

Thu, 23 Jul - Tue, 4 Aug

12:40 - 06:50

YUL

SYD

28h 10m

2 stops

09:15 - 23:41

SYD

YUL

28h 26m

2 stops

$1,752Delta

Fri, 8 May - Mon, 18 May

United Airlines flights from Montreal to Sydney

Our best United Airlines deals on Montreal to Sydney flight tickets

United Airlines

12 Apr

YUL09:45Montreal Pierre Elliott Trudeau Intl

31h 15m

2 stops

SYD07:00Sydney Kingsford Smith

28 Apr

SYD09:30Sydney Kingsford Smith

24h 15m

2 stops

YUL19:45Montreal Pierre Elliott Trudeau Intl

$1,931

United Airlines

30 Aug

YUL15:25Montreal Pierre Elliott Trudeau Intl

25h 35m

2 stops

SYD07:00Sydney Kingsford Smith

8 Sept

SYD09:30Sydney Kingsford Smith

25h 56m

2 stops

YUL21:26Montreal Pierre Elliott Trudeau Intl

$1,932

United Airlines

20 May

YUL11:23Montreal Pierre Elliott Trudeau Intl

29h 37m

2 stops

SYD07:00Sydney Kingsford Smith

24 May

SYD09:30Sydney Kingsford Smith

25h 56m

2 stops

YUL21:26Montreal Pierre Elliott Trudeau Intl

$1,934

Delta flights from Montreal to Sydney

Our best Delta deals on Montreal to Sydney flight tickets

Delta

22 July

YUL12:45Montreal Pierre Elliott Trudeau Intl

28h 05m

2 stops

SYD06:50Sydney Kingsford Smith

9 Aug

SYD09:15Sydney Kingsford Smith

28h 19m

2 stops

YUL23:34Montreal Pierre Elliott Trudeau Intl

$1,699

Delta

18 Apr

YUL12:42Montreal Pierre Elliott Trudeau Intl

52h 08m

2 stops

SYD06:50Sydney Kingsford Smith

26 Apr

SYD09:15Sydney Kingsford Smith

27h 53m

2 stops

YUL23:08Montreal Pierre Elliott Trudeau Intl

$1,700

Delta

3 May

YUL07:00Montreal Pierre Elliott Trudeau Intl

33h 50m

2 stops

SYD06:50Sydney Kingsford Smith

18 May

SYD09:15Sydney Kingsford Smith

28h 42m

2 stops

YUL23:57Montreal Pierre Elliott Trudeau Intl

$1,702

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

16:55-12:05

2 stops29h 10m

Sydney Kingsford Smith

Mon 11/5

13:15-06:51

2 stops31h 36m

$1,660

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

16:55-11:50

2 stops28h 55m

Sydney Kingsford Smith

Sat 9/5

13:15-06:51

2 stops31h 36m

$1,663

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

16:55-11:50

2 stops28h 55m

Sydney Kingsford Smith

Wed 13/5

13:20-06:51

2 stops31h 31m

$1,683

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

16:55-11:50

2 stops28h 55m

Sydney Kingsford Smith

Tue 12/5

13:15-06:51

2 stops31h 36m

$1,685

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

12:45-06:50

2 stops28h 05m

Sydney Kingsford Smith

Sun 9/8

09:15-23:34

2 stops28h 19m

$1,699

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

12:42-06:50

2 stops52h 08m

Sydney Kingsford Smith

Sun 26/4

09:15-23:08

2 stops27h 53m

$1,700

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

07:00-06:50

2 stops33h 50m

Sydney Kingsford Smith

Mon 18/5

09:15-23:57

2 stops28h 42m

$1,702

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

07:00-06:50

2 stops33h 50m

Sydney Kingsford Smith

Mon 18/5

09:15-23:57

2 stops28h 42m

$1,703

Fastest return journey

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

12:45-06:50

2 stops28h 05m

Sydney Kingsford Smith

Tue 4/8

09:15-23:10

2 stops27h 55m

$1,750

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

12:40-06:50

2 stops28h 10m

Sydney Kingsford Smith

Mon 18/5

09:15-23:41

2 stops28h 26m

$1,752

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 $2,026. If you aren’t able to travel to Sydney during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $2,132.

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 $2,326 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 $1,861 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 1% 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 $1,895	Free cancellation	Rating 7.1 10,834 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.