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

Delta and Qatar Airways 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.

$726 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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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

34h 30m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 - 23:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

52h 50m2 stops Los Angeles Minneapolis St Paul

$1,305Delta

Mon, 9 Nov - Mon, 23 Nov

07:00 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 50m2 stops Los Angeles Minneapolis St Paul

$1,306Delta

Wed, 11 Nov - Wed, 25 Nov

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

27h 40m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 - 11:37SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

40h 57m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,306Delta

Wed, 4 Nov - Wed, 18 Nov

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

27h 40m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 - 23:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 50m2 stops Los Angeles Minneapolis St Paul

$1,306Delta

Wed, 11 Nov - Wed, 18 Nov

17:10 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

47h 20m2 stops Detroit Metropolitan Wayne County Los Angeles

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

28h 47m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,306Delta

Sat, 7 Nov - Wed, 18 Nov

07:10 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 20m2 stops Minneapolis St Paul Los Angeles

10:40 - 23:51SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 11m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,308Delta

Tue, 10 Nov - Wed, 10 Feb

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

28h 47m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,311Delta

Mon, 9 Nov - Wed, 18 Nov

17:10 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

47h 20m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 - 11:37SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

40h 57m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,311Delta

Sat, 7 Nov - Wed, 18 Nov

07:30 - 09:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

34h 05m1 stop Vancouver Intl

11:20 - 20:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 10m1 stop Vancouver Intl

$1,388Air Canada

Wed, 11 Nov - Wed, 2 Dec

07:30 - 09:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

34h 05m1 stop Vancouver Intl

11:20 - 10:03SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

38h 43m2 stops Vancouver Intl Ottawa

$1,393Air Canada

Sun, 21 Feb - Sun, 7 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

$1,377Air Canada

Sun, 25 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

$1,384Air Canada

Sun, 25 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

$1,413Delta

Sat, 24 Oct - Sat, 31 Oct

07:00 - 07:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 50m2 stops Atlanta Hartsfield-Jackson Los Angeles

09:40 - 23:25SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 45m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,416Delta

Fri, 23 Oct - Fri, 30 Oct

08:45 - 07:45YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

33h 00m1 stop Vancouver Intl

10:45 - 21:30BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

24h 45m1 stop Vancouver Intl

$1,437Air Canada

Sun, 25 Oct - Sun, 1 Nov

14:20 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 15m2 stops Edmonton Vancouver Intl

10:20 - 20:43SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 23m1 stop Vancouver Intl

$1,490Air Canada

Sat, 24 Oct - Sat, 31 Oct

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

33h 20m2 stops Edmonton Vancouver Intl

10:20 - 19:35SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 15m1 stop Vancouver Intl

$1,490Air Canada

Fri, 23 Oct - Fri, 30 Oct

08:30 - 07:45YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

33h 15m2 stops Calgary Vancouver Intl

10:45 - 18:58BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

22h 13m2 stops Vancouver Intl Edmonton

$1,498Air Canada

Sun, 25 Oct - Sun, 1 Nov

08:30 - 07:45YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

33h 15m2 stops Calgary Vancouver Intl

10:45 - 18:04BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

21h 19m1 stop Vancouver Intl

$1,498Air Canada

Sun, 25 Oct - Sun, 1 Nov

09:30 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

32h 05m3 stops Ottawa Toronto Pearson Intl Vancouver Intl

10:20 - 23:18SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

27h 58m2 stops Vancouver Intl Calgary

$1,502Air Canada

Sat, 24 Oct - Sat, 31 Oct

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Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

9 Nov

YUL06:00Montreal Pierre Elliott Trudeau Intl

34h 30m

2 stops

SYD08:30Sydney Kingsford Smith

23 Nov

SYD10:40Sydney Kingsford Smith

52h 50m

2 stops

YUL23:30Montreal Pierre Elliott Trudeau Intl

$1,305

Delta

11 Nov

YUL07:00Montreal Pierre Elliott Trudeau Intl

33h 30m

2 stops

SYD08:30Sydney Kingsford Smith

25 Nov

SYD10:40Sydney Kingsford Smith

28h 50m

2 stops

YUL23:30Montreal Pierre Elliott Trudeau Intl

$1,306

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

$1,308

Air Canada flights from Montreal to Australia

Our best Air Canada deals on Montreal to Australia flight tickets

Air Canada

26 Oct

YUL18:15Montreal Pierre Elliott Trudeau Intl

23h 20m

1 stop

SYD08:35Sydney Kingsford Smith

8 Nov

SYD11:20Sydney Kingsford Smith

24h 15m

1 stop

YUL19:35Montreal Pierre Elliott Trudeau Intl

$1,355

Air Canada

26 Oct

YUL18:15Montreal Pierre Elliott Trudeau Intl

23h 20m

1 stop

SYD08:35Sydney Kingsford Smith

8 Nov

SYD11:20Sydney Kingsford Smith

22h 33m

2 stops

YUL17:53Montreal Pierre Elliott Trudeau Intl

$1,370

Air Canada

25 Oct

YUL08:45Montreal Pierre Elliott Trudeau Intl

32h 50m

1 stop

SYD08:35Sydney Kingsford Smith

8 Nov

SYD11:20Sydney Kingsford Smith

44h 05m

2 stops

YUL15:25Montreal Pierre Elliott Trudeau Intl

$1,377

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

Mon 9/11

06:00-08:30

2 stops34h 30m

Sydney Kingsford Smith

Mon 23/11

10:40-23:30

2 stops52h 50m

$1,305

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Wed 25/11

10:40-23:30

2 stops28h 50m

$1,306

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

12:50-08:30

2 stops27h 40m

Sydney Kingsford Smith

Wed 18/11

10:40-11:37

2 stops40h 57m

$1,306

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

12:50-08:30

2 stops27h 40m

Sydney Kingsford Smith

Wed 18/11

10:40-23:30

2 stops28h 50m

$1,306

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

17:10-08:30

2 stops47h 20m

Sydney Kingsford Smith

Wed 18/11

10:40-23:27

2 stops28h 47m

$1,306

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

07:10-08:30

2 stops33h 20m

Sydney Kingsford Smith

Wed 10/2

10:40-23:51

2 stops29h 11m

$1,308

Fastest return journey

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

Wed 18/11

10:40-23:27

2 stops28h 47m

$1,311

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

17:10-08:30

2 stops47h 20m

Sydney Kingsford Smith

Wed 18/11

10:40-11:37

2 stops40h 57m

$1,311

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

07:30-09:35

1 stop34h 05m

Sydney Kingsford Smith

Wed 2/12

11:20-20:30

1 stop25h 10m

$1,388

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 21/2

07:30-09:35

1 stop34h 05m

Sydney Kingsford Smith

Sun 7/3

11:20-10:03

2 stops38h 43m

$1,393

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 $1,913. 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 $2,139.

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 $2,302 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 $1,564 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	$726
Fastest flight time	23h 30m
Direct flights	None

The best one-way flight to Australia from Montreal in the past 72 hours is $726. The best return flight deal from Montreal to Australia found on momondo in the last 72 hours is $1,305.

The fastest flight from Montreal to Australia takes 23h 30m

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 $508	Free cancellation	Rating 7.1 11,782 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.