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

Delta, Air New Zealand, and Cathay Pacific 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 October 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.

$723 Cheap Flights from Montreal to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to Australia

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Cheap return flights

Enter your travel dates to find the best prices.

07:30 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

31h 25m1 stop Vancouver Intl

11:20 - 19:35SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 15m1 stop Vancouver Intl

$1,184Air Canada

Thu, 24 Dec - Fri, 15 Jan

11:10 - 09:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 25m2 stops Toronto Pearson Intl Vancouver Intl

11:20 - 19:35SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 15m1 stop Vancouver Intl

$1,196Air Canada

Thu, 24 Dec - Fri, 15 Jan

06:00 - 09:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

35h 35m2 stops Toronto Pearson Intl Vancouver Intl

11:20 - 20:33SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 13m1 stop Vancouver Intl

$1,196Air Canada

Fri, 25 Dec - Thu, 14 Jan

08:30 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 25m2 stops Calgary Vancouver Intl

11:20 - 16:59SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

21h 39m1 stop Vancouver Intl

$1,204Air Canada

Thu, 24 Dec - Thu, 14 Jan

14:25 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

24h 30m2 stops Winnipeg Vancouver Intl

11:20 - 17:58SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

22h 38m2 stops Vancouver Intl Edmonton

$1,204Air Canada

Thu, 24 Dec - Thu, 14 Jan

07:30 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

31h 25m1 stop Vancouver Intl

16:00 - 07:10SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

31h 10m1 stop Vancouver Intl

$1,204Air Canada

Thu, 24 Dec - Thu, 14 Jan

08:45 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 10m1 stop Vancouver Intl

16:00 - 23:18SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

23h 18m2 stops Vancouver Intl Calgary

$1,204Air Canada

Thu, 24 Dec - Thu, 14 Jan

13:05 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

25h 50m2 stops Edmonton Vancouver Intl

16:00 - 23:18SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

23h 18m2 stops Vancouver Intl Calgary

$1,204Air Canada

Thu, 24 Dec - Thu, 14 Jan

12:50 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 40m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 - 23:27SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

52h 47m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,298Delta

Mon, 9 Nov - Mon, 16 Nov

14:46 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

25h 44m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:27SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

52h 47m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,298Delta

Mon, 2 Nov - Mon, 16 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

07:00 - 07:00YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

33h 00m2 stops Minneapolis St Paul Los Angeles

10:10 - 13:39MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

43h 29m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,303Delta

Tue, 27 Oct - Tue, 3 Nov

18:15 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

11:20 - 19:35SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 15m1 stop Vancouver Intl

$1,341Air Canada

Mon, 26 Oct - Sun, 8 Nov

18:15 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

11:20 - 17:53SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

22h 33m2 stops Vancouver Intl Winnipeg

$1,355Air Canada

Mon, 26 Oct - Sun, 8 Nov

18:50 - 07:00YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

45h 10m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:10 - 23:48MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

29h 38m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,358Delta

Wed, 28 Oct - Wed, 11 Nov

08:45 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

32h 50m1 stop Vancouver Intl

11:20 - 15:25SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

44h 05m2 stops Vancouver Intl Toronto Pearson Intl

$1,362Air Canada

Sun, 25 Oct - Sun, 8 Nov

11:10 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 25m2 stops Toronto Pearson Intl Vancouver Intl

11:20 - 12:25SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

41h 05m2 stops Vancouver Intl Toronto Pearson Intl

$1,368Air Canada

Mon, 26 Oct - Sun, 8 Nov

08:05 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Edmonton Vancouver Intl

11:20 - 18:43SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

23h 23m2 stops Vancouver Intl Ottawa

$1,369Air Canada

Sun, 25 Oct - Sun, 8 Nov

21:30 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

44h 05m1 stop Vancouver Intl

11:20 - 19:35SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 15m1 stop Vancouver Intl

$1,384Air Canada

Sat, 24 Oct - Sun, 8 Nov

07:00 - 07:20YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 20m2 stops Atlanta Hartsfield-Jackson Los Angeles

09:40 - 23:54SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 14m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,398Delta

Sat, 24 Oct - Sat, 31 Oct

21:30 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

44h 05m1 stop Vancouver Intl

11:20 - 11:53SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

40h 33m2 stops Vancouver Intl Ottawa

$1,399Air Canada

Sat, 24 Oct - Sun, 8 Nov

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Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

2 Nov

YUL14:46Montreal Pierre Elliott Trudeau Intl

25h 44m

2 stops

SYD08:30Sydney Kingsford Smith

16 Nov

SYD10:40Sydney Kingsford Smith

52h 47m

2 stops

YUL23:27Montreal Pierre Elliott Trudeau Intl

$1,298

Delta

10 Nov

YUL07:10Montreal Pierre Elliott Trudeau Intl

33h 20m

2 stops

SYD08:30Sydney Kingsford Smith

10 Feb

SYD10:40Sydney Kingsford Smith

29h 11m

2 stops

YUL23:51Montreal Pierre Elliott Trudeau Intl

$1,300

Delta

4 Nov

YUL12:50Montreal Pierre Elliott Trudeau Intl

27h 40m

2 stops

SYD08:30Sydney Kingsford Smith

18 Nov

SYD10:40Sydney Kingsford Smith

45h 18m

2 stops

YUL15:58Montreal Pierre Elliott Trudeau Intl

$1,301

Air New Zealand flights from Montreal to Australia

Our best Air New Zealand deals on Montreal to Australia flight tickets

Air New Zealand

8 Nov

YUL11:10Montreal Pierre Elliott Trudeau Intl

30h 25m

1 stop

SYD09:35Sydney Kingsford Smith

16 Nov

SYD11:20Sydney Kingsford Smith

25h 10m

1 stop

YUL20:30Montreal Pierre Elliott Trudeau Intl

$1,391

Air New Zealand

23 Oct

YUL21:30Montreal Pierre Elliott Trudeau Intl

44h 05m

1 stop

SYD08:35Sydney Kingsford Smith

30 Oct

SYD10:20Sydney Kingsford Smith

21h 44m

1 stop

YUL17:04Montreal Pierre Elliott Trudeau Intl

$1,512

Air New Zealand

24 Oct

YUL21:30Montreal Pierre Elliott Trudeau Intl

44h 05m

1 stop

SYD08:35Sydney Kingsford Smith

31 Oct

SYD10:20Sydney Kingsford Smith

21h 44m

1 stop

YUL17:04Montreal Pierre Elliott Trudeau Intl

$2,289

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 24/12

07:30-06:55

1 stop31h 25m

Sydney Kingsford Smith

Fri 15/1

11:20-19:35

1 stop24h 15m

$1,184

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 24/12

11:10-09:35

2 stops30h 25m

Sydney Kingsford Smith

Fri 15/1

11:20-19:35

1 stop24h 15m

$1,196

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 25/12

06:00-09:35

2 stops35h 35m

Sydney Kingsford Smith

Thu 14/1

11:20-20:33

1 stop25h 13m

$1,196

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 24/12

08:30-06:55

2 stops30h 25m

Sydney Kingsford Smith

Thu 14/1

11:20-16:59

1 stop21h 39m

$1,204

Fastest return journey

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 24/12

14:25-06:55

2 stops24h 30m

Sydney Kingsford Smith

Thu 14/1

11:20-17:58

2 stops22h 38m

$1,204

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 24/12

07:30-06:55

1 stop31h 25m

Sydney Kingsford Smith

Thu 14/1

16:00-07:10

1 stop31h 10m

$1,204

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 24/12

08:45-06:55

1 stop30h 10m

Sydney Kingsford Smith

Thu 14/1

16:00-23:18

2 stops23h 18m

$1,204

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 24/12

13:05-06:55

2 stops25h 50m

Sydney Kingsford Smith

Thu 14/1

16:00-23:18

2 stops23h 18m

$1,204

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

12:50-08:30

2 stops27h 40m

Sydney Kingsford Smith

Mon 16/11

10:40-23:27

2 stops52h 47m

$1,298

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 2/11

14:46-08:30

2 stops25h 44m

Sydney Kingsford Smith

Mon 16/11

10:40-23:27

2 stops52h 47m

$1,298

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, May 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 $1,893. If you don’t want to visit Australia in May, then you should wait until April to fly from Montreal, when ticket prices are also cheap, with an average price of $2,117.

How far in advance should I book a flight from Montreal 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 $2,278 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 $1,547 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 27% 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

Best price found	$723
Fastest flight time	25h 50m
Direct flights	None

The best one-way flight to Australia from Montreal in the past 72 hours is $723. The best return flight deal from Montreal to Australia found on momondo in the last 72 hours is $1,184.

The fastest flight from Montreal to Australia takes 25h 50m

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

Search flight deals

Frequently asked questions about flying 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 October 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 $503	Free cancellation	Rating 7.1 11,790 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.