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

Qatar Airways, Air Canada, and United Airlines 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 December 2025.

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.

$813 Cheap Flights from Montreal to Australia in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

20:50 - 06:50

YUL

SYD

42h 00m1 stop

21:40 - 15:05

SYD

YUL

32h 25m1 stop

$1,851Qatar Airways

Sun, 22 Feb - Tue, 10 Mar

20:50 - 05:45

YUL

MEL

40h 55m1 stop

16:10 - 15:05

MEL

YUL

37h 55m1 stop

$1,872Qatar Airways

Mon, 9 Feb - Mon, 16 Mar

20:55 - 22:45

YUL

BNE

35h 50m1 stop

15:10 - 14:45

BNE

YUL

37h 35m1 stop

$1,884Qatar Airways

Mon, 4 May - Mon, 25 May

18:25 - 04:15

YUL

PER

44h 50m2 stops

05:35 - 21:00

PER

YUL

52h 25m2 stops

$2,083Multiple Airlines

Fri, 13 Feb - Fri, 20 Feb

12:30 - 04:15

YUL

PER

50h 45m2 stops

05:35 - 17:00

PER

YUL

48h 25m2 stops

$2,218Multiple Airlines

Fri, 27 Feb - Thu, 5 Mar

11:10 - 07:45

YUL

PER

32h 35m2 stops

00:10 - 06:57

PER

YUL

42h 47m2 stops

$2,324Cathay Pacific

Wed, 13 May - Sat, 16 May

17:00 - 23:55

YUL

PER

41h 55m2 stops

10:30 - 13:15

PER

YUL

38h 45m2 stops

$2,325KLM

Sun, 15 Feb - Mon, 16 Mar

19:10 - 01:25

YUL

PER

41h 15m2 stops

10:30 - 16:20

PER

YUL

41h 50m2 stops

$2,333KLM

Mon, 16 Feb - Mon, 16 Mar

13:25 - 18:10

YUL

ADL

38h 15m2 stops

18:55 - 17:00

ADL

YUL

36h 35m2 stops

$2,649Air Canada

Tue, 17 Mar - Sat, 21 Mar

09:00 - 13:55

YUL

ADL

38h 25m2 stops

18:55 - 17:00

ADL

YUL

36h 35m2 stops

$2,650Air Canada

Tue, 17 Mar - Sat, 21 Mar

Qatar Airways flights from Montreal to Australia

Our best Qatar Airways deals on Montreal to Australia flight tickets

Qatar Airways

22 Feb

YUL20:50Montreal Pierre Elliott Trudeau Intl

42h 00m

1 stop

SYD06:50Sydney Kingsford Smith

10 Mar

SYD21:40Sydney Kingsford Smith

32h 25m

1 stop

YUL15:05Montreal Pierre Elliott Trudeau Intl

$1,851

Find similar

Qatar Airways

9 Feb

YUL20:50Montreal Pierre Elliott Trudeau Intl

40h 55m

1 stop

MEL05:45Melbourne

16 Mar

MEL16:10Melbourne

37h 55m

1 stop

YUL15:05Montreal Pierre Elliott Trudeau Intl

$1,872

Find similar

Qatar Airways

4 May

YUL20:55Montreal Pierre Elliott Trudeau Intl

35h 50m

1 stop

BNE22:45Brisbane

25 May

BNE15:10Brisbane

37h 35m

1 stop

YUL14:45Montreal Pierre Elliott Trudeau Intl

$1,884

Find similar

KLM flights from Montreal to Australia

Our best KLM deals on Montreal to Australia flight tickets

KLM

15 Feb

YUL17:00Montreal Pierre Elliott Trudeau Intl

41h 55m

2 stops

PER23:55Perth

16 Mar

PER10:30Perth

38h 45m

2 stops

YUL13:15Montreal Pierre Elliott Trudeau Intl

$2,325

Find similar

KLM

16 Feb

YUL19:10Montreal Pierre Elliott Trudeau Intl

41h 15m

2 stops

PER01:25Perth

16 Mar

PER10:30Perth

41h 50m

2 stops

YUL16:20Montreal Pierre Elliott Trudeau Intl

$2,333

Find similar

KLM

16 Feb

YUL19:10Montreal Pierre Elliott Trudeau Intl

41h 15m

2 stops

PER01:25Perth

16 Mar

PER10:30Perth

41h 50m

2 stops

YUL16:20Montreal Pierre Elliott Trudeau Intl

$2,334

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

20:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Tue 10/3

21:40-15:05

1 stop32h 25m

$1,851

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

20:50-05:45

1 stop40h 55m

Melbourne

Mon 16/3

16:10-15:05

1 stop37h 55m

$1,872

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

20:55-22:45

1 stop35h 50m

Brisbane

Mon 25/5

15:10-14:45

1 stop37h 35m

$1,884

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

18:25-04:15

2 stops44h 50m

Perth

Fri 20/2

05:35-21:00

2 stops52h 25m

$2,083

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Fri 27/2

12:30-04:15

2 stops50h 45m

Perth

Thu 5/3

05:35-17:00

2 stops48h 25m

$2,218

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

11:10-07:45

2 stops32h 35m

Perth

Sat 16/5

00:10-06:57

2 stops42h 47m

$2,324

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

17:00-23:55

2 stops41h 55m

Perth

Mon 16/3

10:30-13:15

2 stops38h 45m

$2,325

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

19:10-01:25

2 stops41h 15m

Perth

Mon 16/3

10:30-16:20

2 stops41h 50m

$2,333

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

13:25-18:10

2 stops38h 15m

Adelaide

Sat 21/3

18:55-17:00

2 stops36h 35m

$2,649

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

09:00-13:55

2 stops38h 25m

Adelaide

Sat 21/3

18:55-17:00

2 stops36h 35m

$2,650

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 $2,146. 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 $2,212.

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 $2,448 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 $1,689 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 16% 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	26h 30m
Direct flights	None

The fastest flight from Montreal to Australia takes 26h 30m

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 December 2025.
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 $640	Free cancellation	Rating 7.1 10,571 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.