What is the cheapest airline that flies from Montreal to Australia?

Qatar Airways, United Airlines, and Emirates are the most popular carriers operating from Montreal to Australia

When did momondo last update prices for flights from Montreal to Australia?

Prices for flights from Montreal to Australia are refreshed on a daily basis.

How many operators does momondo search for flights from Montreal to Australia?

The number of operators available for flights from Montreal to Australia is 1 as of January 2026.

How old do you have to be to fly from Montreal to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia 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.

$828 Cheap Flights from Montreal to Australia in 2026

1 adult

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Find the cheapest flights from Montreal to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:10 - 12:35

YUL

SYD

35h 25m

3 stops

14:00 - 09:22

SYD

YUL

35h 22m

3 stops

$1,902Multiple Airlines

Sat, 21 Feb - Sat, 28 Feb

18:45 - 12:35

YUL

SYD

26h 50m

2 stops

13:15 - 06:44

SYD

YUL

31h 29m

3 stops

$1,931Multiple Airlines

Tue, 24 Mar - Mon, 13 Apr

13:10 - 12:35

YUL

SYD

31h 25m

3 stops

14:00 - 09:22

SYD

YUL

35h 22m

3 stops

$1,950Multiple Airlines

Sat, 14 Feb - Sat, 28 Feb

21:50 - 17:30

YUL

BNE

29h 40m

1 stop

15:10 - 15:05

BNE

YUL

37h 55m

1 stop

$2,014Qatar Airways

Mon, 9 Mar - Mon, 16 Mar

21:50 - 22:55

YUL

BNE

35h 05m

1 stop

15:10 - 14:45

BNE

YUL

37h 35m

1 stop

$2,066Qatar Airways

Sun, 8 Mar - Tue, 19 May

18:00 - 23:55

YUL

PER

41h 55m

2 stops

16:15 - 18:20

PER

YUL

38h 05m

2 stops

$2,260KLM

Sun, 8 Mar - Sun, 15 Mar

20:05 - 23:55

YUL

PER

39h 50m

2 stops

16:15 - 18:20

PER

YUL

38h 05m

2 stops

$2,262KLM

Sun, 8 Mar - Sun, 15 Mar

09:15 - 08:30

YUL

ADL

32h 45m

2 stops

13:55 - 14:00

ADL

YUL

38h 35m

2 stops

$2,448United Airlines

Mon, 9 Mar - Mon, 16 Mar

09:00 - 18:10

YUL

ADL

42h 40m

2 stops

18:55 - 21:00

ADL

YUL

40h 35m

2 stops

$2,556Air Canada

Tue, 17 Mar - Sat, 21 Mar

10:10 - 18:10

YUL

ADL

41h 30m

3 stops

18:55 - 21:00

ADL

YUL

40h 35m

2 stops

$2,568Air Canada

Tue, 17 Mar - Sat, 21 Mar

Qantas Airways flights from Montreal to Australia

Our best Qantas Airways deals on Montreal to Australia flight tickets

Qantas Airways

3 May

YUL06:45Montreal Pierre Elliott Trudeau Intl

57h 50m

2 stops

SYD06:35Sydney Kingsford Smith

18 May

SYD20:30Sydney Kingsford Smith

42h 12m

2 stops

YUL00:42Montreal Pierre Elliott Trudeau Intl

$2,036

Qantas Airways

2 Feb

YUL15:50Montreal Pierre Elliott Trudeau Intl

49h 10m

2 stops

SYD09:00Sydney Kingsford Smith

9 Mar

SYD20:30Sydney Kingsford Smith

49h 35m

2 stops

YUL07:05Montreal Pierre Elliott Trudeau Intl

$2,044

Qantas Airways

30 Apr

YUL06:45Montreal Pierre Elliott Trudeau Intl

33h 50m

2 stops

SYD06:35Sydney Kingsford Smith

16 May

SYD20:30Sydney Kingsford Smith

42h 12m

2 stops

YUL00:42Montreal Pierre Elliott Trudeau Intl

$2,055

United Airlines flights from Montreal to Australia

Our best United Airlines deals on Montreal to Australia flight tickets

United Airlines

8 Feb

YUL15:00Montreal Pierre Elliott Trudeau Intl

26h 30m

2 stops

MEL09:30Melbourne

18 Feb

MEL13:00Melbourne

24h 42m

2 stops

YUL21:42Montreal Pierre Elliott Trudeau Intl

$2,276

United Airlines

22 Feb

YUL09:15Montreal Pierre Elliott Trudeau Intl

32h 45m

2 stops

MEL10:00Melbourne

11 Mar

MEL10:30Melbourne

24h 18m

2 stops

YUL19:48Montreal Pierre Elliott Trudeau Intl

$2,279

United Airlines

26 Jan

YUL14:13Montreal Pierre Elliott Trudeau Intl

26h 52m

2 stops

SYD09:05Sydney Kingsford Smith

7 Apr

SYD09:30Sydney Kingsford Smith

26h 36m

2 stops

YUL22:06Montreal Pierre Elliott Trudeau Intl

$2,286

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

09:10-12:35

3 stops35h 25m

Sydney Kingsford Smith

Sat 28/2

14:00-09:22

3 stops35h 22m

$1,902

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

18:45-12:35

2 stops26h 50m

Sydney Kingsford Smith

Mon 13/4

13:15-06:44

3 stops31h 29m

$1,931

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

13:10-12:35

3 stops31h 25m

Sydney Kingsford Smith

Sat 28/2

14:00-09:22

3 stops35h 22m

$1,950

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

21:50-17:30

1 stop29h 40m

Brisbane

Mon 16/3

15:10-15:05

1 stop37h 55m

$2,014

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

21:50-22:55

1 stop35h 05m

Brisbane

Tue 19/5

15:10-14:45

1 stop37h 35m

$2,066

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

18:00-23:55

2 stops41h 55m

Perth

Sun 15/3

16:15-18:20

2 stops38h 05m

$2,260

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

20:05-23:55

2 stops39h 50m

Perth

Sun 15/3

16:15-18:20

2 stops38h 05m

$2,262

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

09:15-08:30

2 stops32h 45m

Adelaide

Mon 16/3

13:55-14:00

2 stops38h 35m

$2,448

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

09:00-18:10

2 stops42h 40m

Adelaide

Sat 21/3

18:55-21:00

2 stops40h 35m

$2,556

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

10:10-18:10

3 stops41h 30m

Adelaide

Sat 21/3

18:55-21:00

2 stops40h 35m

$2,568

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 Australia

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 month to fly to Australia?

In general, September is the cheapest month to fly from Montreal to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $2,062. If you don’t want to visit Australia in September, then you should wait until April to fly from Montreal, when ticket prices are also cheap, with an average price of $2,151.

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

You are more likely to see cheaper flights to Australia from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,379 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Montreal for as low as $1,645 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 6% on your flight if you consider stops on a Montreal to Australia flight.

Cheap Montreal to Australia flight deals and tips

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

Fastest flight time	25h 25m
Direct flights	None

The fastest flight from Montreal to Australia takes 25h 25m

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

Search flight deals

When did momondo last update prices for flights from Montreal to Australia?
Prices for flights from Montreal to Australia are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Australia?
The number of operators available for flights from Montreal to Australia is 1 as of January 2026.
How old do you have to be to fly from Montreal to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia 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 Australia

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

Airline	Rating	Free cancellation	Price
Air Canada	PriceFrom $623	Free cancellation	Rating 7.1 10,652 reviews		Search Air Canada flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Montreal.

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

Yes. momondo allows you to filter the results for Montreal to Australia flights to just show those with flexible booking policies.

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

Once all potential Montreal to Australia 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 Montreal to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montreal to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.