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

Delta, Qatar Airways, 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 September 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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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

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

47h 20m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 - 23:48SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

53h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,299Delta

Sat, 7 Nov - Mon, 16 Nov

18:35 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

45h 55m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:48SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,299Delta

Mon, 9 Nov - Tue, 17 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 - 23:48SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,299Delta

Sat, 7 Nov - Wed, 18 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

52h 50m2 stops Los Angeles Minneapolis St Paul

$1,299Delta

Sun, 8 Nov - Mon, 16 Nov

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

33h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:48SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,299Delta

Sun, 8 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

$1,299Delta

Sat, 7 Nov - Tue, 17 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

$1,299Delta

Tue, 10 Nov - Tue, 17 Nov

18:35 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

45h 55m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:48SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,299Delta

Mon, 9 Nov - Wed, 18 Nov

18:15 - 07:45YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

23h 30m1 stop Vancouver Intl

10:45 - 17:04BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

21h 19m1 stop Vancouver Intl

$2,031Air Canada

Sun, 25 Oct - Mon, 9 Nov

15:00 - 09:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

26h 35m2 stops Ottawa Vancouver Intl

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

25h 10m1 stop Vancouver Intl

$2,041Air Canada

Sun, 8 Nov - Tue, 24 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:30 - 09:00YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

47h 30m2 stops Los Angeles Manila Ninoy Aquino Intl

11:15 - 15:59SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

43h 44m2 stops Manila Ninoy Aquino Intl Vancouver Intl

$2,206Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

12:32 - 08:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 33m2 stops Chicago O'Hare Intl Los Angeles

18:50 - 06:44SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

26h 54m1 stop Los Angeles

$2,523Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

12:31 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 34m2 stops Chicago O'Hare Intl Los Angeles

20:30 - 23:45SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

41h 15m2 stops Vancouver Intl Calgary

$2,538Qantas Airways

Tue, 29 Sep - Thu, 1 Oct

12:31 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 34m2 stops Chicago O'Hare Intl Los Angeles

20:30 - 23:45SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

42h 15m2 stops Vancouver Intl Calgary

$2,538Qantas Airways

Tue, 29 Sep - Mon, 5 Oct

18:35 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

11:20 - 08:16SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

35h 56m1 stop San Francisco

$2,555United Airlines

Mon, 28 Sep - Tue, 6 Oct

18:35 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

10:30 - 22:06SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

26h 36m2 stops Los Angeles Newark

$2,555United Airlines

Tue, 29 Sep - Tue, 6 Oct

11:23 - 07:00YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

29h 37m2 stops Newark Los Angeles

10:30 - 21:26SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 56m2 stops Los Angeles Chicago O'Hare Intl

$2,555United Airlines

Mon, 28 Sep - Mon, 5 Oct

18:35 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

11:20 - 08:16SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

35h 56m1 stop San Francisco

$2,555United Airlines

Tue, 29 Sep - Mon, 5 Oct

10:40 - 07:20YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 40m2 stops Ottawa Vancouver Intl

10:20 - 22:15SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

26h 55m3 stops Vancouver Intl Toronto Pearson Intl Ottawa

$3,737Air Canada

Sat, 3 Oct - Sat, 10 Oct

16:10 - 11:35YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

29h 25m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

08:00 - 20:00MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

27h 00m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$4,288Air Canada

Thu, 1 Oct - Sun, 1 Nov

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Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

8 Nov

YUL07:00Montreal Pierre Elliott Trudeau Intl

33h 30m

2 stops

SYD08:30Sydney Kingsford Smith

16 Nov

SYD10:40Sydney Kingsford Smith

52h 50m

2 stops

YUL23:30Montreal Pierre Elliott Trudeau Intl

$1,299

Delta

17 Oct

YUL07:00Montreal Pierre Elliott Trudeau Intl

57h 50m

2 stops

SYD07:50Sydney Kingsford Smith

17 Nov

SYD10:40Sydney Kingsford Smith

28h 50m

2 stops

YUL23:30Montreal Pierre Elliott Trudeau Intl

$1,301

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

$1,302

ANA flights from Montreal to Australia

Our best ANA deals on Montreal to Australia flight tickets

ANA

24 Feb

YUL08:45Montreal Pierre Elliott Trudeau Intl

43h 30m

2 stops

SYD20:15Sydney Kingsford Smith

10 Mar

SYD12:25Sydney Kingsford Smith

41h 26m

2 stops

YUL13:51Montreal Pierre Elliott Trudeau Intl

$1,955

ANA

8 Mar

YUL08:45Montreal Pierre Elliott Trudeau Intl

33h 45m

2 stops

SYD10:30Sydney Kingsford Smith

8 Apr

SYD20:55Sydney Kingsford Smith

38h 06m

2 stops

YUL21:01Montreal Pierre Elliott Trudeau Intl

$1,970

ANA

8 Nov

YUL06:00Montreal Pierre Elliott Trudeau Intl

46h 15m

2 stops

SYD20:15Sydney Kingsford Smith

23 Nov

SYD21:45Sydney Kingsford Smith

32h 15m

2 stops

YUL14:00Montreal Pierre Elliott Trudeau Intl

$2,068

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

Sat 7/11

17:10-08:30

2 stops47h 20m

Sydney Kingsford Smith

Mon 16/11

10:40-23:48

2 stops53h 08m

$1,299

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

18:35-08:30

2 stops45h 55m

Sydney Kingsford Smith

Tue 17/11

10:40-23:48

2 stops29h 08m

$1,299

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

10:40-23:48

2 stops29h 08m

$1,299

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Mon 16/11

10:40-23:30

2 stops52h 50m

$1,299

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Wed 18/11

10:40-23:48

2 stops29h 08m

$1,299

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

Tue 17/11

10:40-23:27

2 stops28h 47m

$1,299

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Tue 17/11

10:40-23:30

2 stops28h 50m

$1,299

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

18:35-08:30

2 stops45h 55m

Sydney Kingsford Smith

Wed 18/11

10:40-23:48

2 stops29h 08m

$1,299

Fastest return journey

MontrealBrisbane

YUL Montreal Pierre Elliott Trudeau Intl - BNE Brisbane

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sun 25/10

18:15-07:45

1 stop23h 30m

Brisbane

Mon 9/11

10:45-17:04

1 stop21h 19m

$2,031

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

15:00-09:35

2 stops26h 35m

Sydney Kingsford Smith

Tue 24/11

11:20-20:30

1 stop25h 10m

$2,041

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 $2,098.

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 $2,289 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 $1,604 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	22h 30m
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 $1,299.

The fastest flight from Montreal to Australia takes 22h 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 September 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 11,696 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.