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

Qatar Airways and Air New Zealand 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 March 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.

$785 Cheap Flights from Montreal to Australia in 2026

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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.

16:55 - 06:30

YUL

BNE

47h 35m

2 stops

10:30 - 08:16

BNE

YUL

35h 46m

1 stop

$1,811United Airlines

Tue, 25 Aug - Tue, 8 Sep

14:20 - 08:00

YUL

SYD

26h 40m

2 stops

09:30 - 19:45

SYD

YUL

24h 15m

2 stops

$1,811United Airlines

Mon, 30 Mar - Wed, 15 Apr

11:10 - 11:05

YUL

MEL

33h 55m

3 stops

20:30 - 16:54

MEL

YUL

34h 24m

2 stops

$1,826Air Canada

Mon, 31 Aug - Mon, 14 Sep

16:40 - 14:10

YUL

AVV

31h 30m

3 stops

20:55 - 16:54

AVV

YUL

33h 59m

2 stops

$1,847Multiple Airlines

Mon, 31 Aug - Mon, 14 Sep

08:30 - 19:10

YUL

SYD

44h 40m

2 stops

11:45 - 07:38

SYD

YUL

33h 53m

2 stops

$1,849Multiple Airlines

Wed, 10 Jun - Wed, 17 Jun

17:30 - 11:05

YUL

MEL

27h 35m

2 stops

20:30 - 16:54

MEL

YUL

34h 24m

2 stops

$1,892Air Canada

Mon, 31 Aug - Mon, 14 Sep

21:30 - 22:40

YUL

PER

37h 10m

2 stops

08:20 - 18:20

PER

YUL

46h 00m

2 stops

$2,147Cathay Pacific

Sun, 6 Sep - Sun, 20 Sep

06:45 - 22:40

YUL

PER

27h 55m

2 stops

08:20 - 18:20

PER

YUL

46h 00m

2 stops

$2,182Cathay Pacific

Sat, 5 Sep - Sun, 20 Sep

18:50 - 01:10

YUL

PER

42h 20m

2 stops

21:00 - 16:55

PER

YUL

55h 55m

3 stops

$2,221KLM

Sun, 24 May - Sat, 6 Jun

18:50 - 01:15

YUL

PER

42h 25m

3 stops

21:00 - 16:55

PER

YUL

55h 55m

3 stops

$2,230KLM

Sun, 24 May - Sat, 6 Jun

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

31 July

YUL16:55Montreal Pierre Elliott Trudeau Intl

47h 55m

2 stops

SYD06:50Sydney Kingsford Smith

17 Aug

SYD09:15Sydney Kingsford Smith

27h 55m

2 stops

YUL23:10Montreal Pierre Elliott Trudeau Intl

$1,863

Delta

29 Aug

YUL16:55Montreal Pierre Elliott Trudeau Intl

47h 55m

2 stops

SYD06:50Sydney Kingsford Smith

7 Sept

SYD09:15Sydney Kingsford Smith

27h 55m

2 stops

YUL23:10Montreal Pierre Elliott Trudeau Intl

$1,896

Delta

12 Mar

YUL07:00Montreal Pierre Elliott Trudeau Intl

32h 05m

2 stops

SYD06:05Sydney Kingsford Smith

23 Mar

SYD09:40Sydney Kingsford Smith

29h 05m

2 stops

YUL23:45Montreal Pierre Elliott Trudeau Intl

$2,153

United Airlines flights from Montreal to Australia

Our best United Airlines deals on Montreal to Australia flight tickets

United Airlines

30 Mar

YUL14:20Montreal Pierre Elliott Trudeau Intl

26h 40m

2 stops

SYD08:00Sydney Kingsford Smith

15 Apr

SYD09:30Sydney Kingsford Smith

24h 15m

2 stops

YUL19:45Montreal Pierre Elliott Trudeau Intl

$1,811

United Airlines

1 Sept

YUL18:35Montreal Pierre Elliott Trudeau Intl

22h 20m

1 stop

SYD06:55Sydney Kingsford Smith

15 Sept

SYD09:30Sydney Kingsford Smith

39h 10m

2 stops

YUL10:40Montreal Pierre Elliott Trudeau Intl

$1,812

United Airlines

2 Aug

YUL18:35Montreal Pierre Elliott Trudeau Intl

22h 20m

1 stop

SYD06:55Sydney Kingsford Smith

18 Aug

SYD10:20Sydney Kingsford Smith

35h 56m

1 stop

YUL08:16Montreal Pierre Elliott Trudeau Intl

$1,813

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

16:55-06:30

2 stops47h 35m

Brisbane

Tue 8/9

10:30-08:16

1 stop35h 46m

$1,811

Fastest return journey

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

14:20-08:00

2 stops26h 40m

Sydney Kingsford Smith

Wed 15/4

09:30-19:45

2 stops24h 15m

$1,811

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

11:10-11:05

3 stops33h 55m

Melbourne

Mon 14/9

20:30-16:54

2 stops34h 24m

$1,826

MontrealMelbourne

YUL - AVV

YULAVV

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

16:40-14:10

3 stops31h 30m

Melbourne Avalon

Mon 14/9

20:55-16:54

2 stops33h 59m

$1,847

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

08:30-19:10

2 stops44h 40m

Sydney Kingsford Smith

Wed 17/6

11:45-07:38

2 stops33h 53m

$1,849

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

17:30-11:05

2 stops27h 35m

Melbourne

Mon 14/9

20:30-16:54

2 stops34h 24m

$1,892

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

21:30-22:40

2 stops37h 10m

Perth

Sun 20/9

08:20-18:20

2 stops46h 00m

$2,147

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

06:45-22:40

2 stops27h 55m

Perth

Sun 20/9

08:20-18:20

2 stops46h 00m

$2,182

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

18:50-01:10

2 stops42h 20m

Perth

Sat 6/6

21:00-16:55

3 stops55h 55m

$2,221

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

18:50-01:15

3 stops42h 25m

Perth

Sat 6/6

21:00-16:55

3 stops55h 55m

$2,230

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 $2,002. If you don’t want to visit Australia in September, then you should wait until February to fly from Montreal, when ticket prices are also cheap, with an average price of $2,106.

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 $2,296 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 $1,839 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 29% 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	21h 55m
Direct flights	None

The fastest flight from Montreal to Australia takes 21h 55m

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 March 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 $1,872	Free cancellation	Rating 7.1 10,800 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.