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

Delta, Qatar Airways, and United Airlines are the most popular carriers operating from Montreal to Australia

Which airlines fly to Australia?

Air Canada, United Airlines and Qatar Airways are the top three most popular airlines that fly to Australia from Montreal according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 6 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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?

As of September 2026, there are 6 operators available to choose from for flights from Montreal to Australia.

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 license 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.

C$ 718 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

Round-trip

One-way

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Cheap round-trip flights

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7:00 a.m. - 7:20 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 20m2 stops Minneapolis St Paul Los Angeles

10:40 a.m. - 11:57 a.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

41h 17m2 stops Los Angeles Detroit Metropolitan Wayne County

C$ 1,290Delta

Tue, 27 Oct - Tue, 3 Nov

6:35 p.m. - 8:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

45h 55m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 a.m. - 11:48 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

C$ 1,293Delta

Mon, 9 Nov - Tue, 17 Nov

6:00 a.m. - 8:00 a.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

34h 00m2 stops Detroit Metropolitan Wayne County Los Angeles

10:10 a.m. - 11:30 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

29h 20m2 stops Los Angeles Minneapolis St Paul

C$ 1,337Multiple Airlines

Sun, 8 Nov - Sat, 21 Nov

9:05 p.m. - 5:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

40h 40m1 stop Doha Hamad Intl

5:10 p.m. - 2:05 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

36h 55m1 stop Doha Hamad Intl

C$ 1,657Qatar Airways

Wed, 27 Jan - Tue, 2 Mar

9:05 p.m. - 5:50 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

28h 45m1 stop Doha Hamad Intl

4:10 p.m. - 2:05 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

37h 55m1 stop Doha Hamad Intl

C$ 1,673Qatar Airways

Tue, 9 Feb - Tue, 9 Mar

9:05 p.m. - 5:50 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

28h 45m1 stop Doha Hamad Intl

4:10 p.m. - 11:30 a.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

58h 20m2 stops Doha Hamad Intl Toronto Pearson Intl

C$ 1,794Multiple Airlines

Tue, 2 Mar - Thu, 1 Apr

6:15 p.m. - 7:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

23h 30m1 stop Vancouver Intl

10:45 a.m. - 5:04 p.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

21h 19m1 stop Vancouver Intl

C$ 2,021Air Canada

Sun, 25 Oct - Mon, 9 Nov

3:00 p.m. - 9:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

26h 35m2 stops Ottawa Vancouver Intl

11:20 a.m. - 8:30 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 10m1 stop Vancouver Intl

C$ 2,031Air Canada

Sun, 8 Nov - Tue, 24 Nov

8:45 a.m. - 10:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 50m2 stops Vancouver Intl Auckland Intl

11:50 a.m. - 4:45 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

44h 55m2 stops Auckland Intl Los Angeles

C$ 2,085Air New Zealand

Sun, 29 Nov - Sun, 6 Dec

7:30 a.m. - 8:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 05m2 stops Vancouver Intl Auckland Intl

11:50 a.m. - 4:45 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

44h 55m2 stops Auckland Intl Los Angeles

C$ 2,089Air New Zealand

Mon, 23 Nov - Tue, 8 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:30 p.m. - 9:00 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

47h 30m2 stops Los Angeles Manila Ninoy Aquino Intl

11:15 a.m. - 3:59 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

43h 44m2 stops Manila Ninoy Aquino Intl Vancouver Intl

C$ 2,195Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

12:32 p.m. - 8:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

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

6:50 p.m. - 6:44 a.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

26h 54m1 stop Los Angeles

C$ 2,511Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

6:10 a.m. - 7:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

34h 45m2 stops Chicago O'Hare Intl San Francisco

10:30 a.m. - 10:06 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

26h 36m2 stops Los Angeles Newark

C$ 2,561United Airlines

Sun, 4 Oct - Sun, 18 Oct

6:35 p.m. - 7:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

10:30 a.m. - 9:26 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

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

C$ 2,561United Airlines

Sun, 4 Oct - Sun, 18 Oct

8:20 a.m. - 7:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

32h 45m1 stop Los Angeles

8:30 p.m. - 3:29 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

33h 59m1 stop Vancouver Intl

C$ 2,739Qantas Airways

Sat, 3 Oct - Sat, 10 Oct

8:20 a.m. - 6:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

31h 25m1 stop Los Angeles

9:45 a.m. - 4:35 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

21h 50m1 stop Los Angeles

C$ 2,756Qantas Airways

Sun, 4 Oct - Sun, 18 Oct

10:40 a.m. - 7:20 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 40m2 stops Ottawa Vancouver Intl

10:20 a.m. - 10:15 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

26h 55m3 stops Vancouver Intl Toronto Pearson Intl Ottawa

C$ 3,719Air Canada

Sat, 3 Oct - Sat, 10 Oct

9:35 p.m. - 6:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PER Perth

33h 00m1 stop Doha Hamad Intl

10:45 p.m. - 3:10 p.m.PER Perth-YUL Montreal Pierre Elliott Trudeau Intl

28h 25m1 stop Doha Hamad Intl

C$ 4,005Qatar Airways

Wed, 30 Sep - Mon, 19 Oct

9:35 p.m. - 6:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PER Perth

33h 00m1 stop Doha Hamad Intl

10:45 p.m. - 3:10 p.m.PER Perth-YUL Montreal Pierre Elliott Trudeau Intl

28h 25m1 stop Doha Hamad Intl

C$ 4,005Qatar Airways

Wed, 30 Sep - Tue, 20 Oct

6:00 p.m. - 12:20 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

27h 20m2 stops Vancouver Intl Brisbane

7:00 a.m. - 7:21 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

27h 21m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

C$ 4,084Air Canada

Sun, 4 Oct - Sun, 18 Oct

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Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

8 Nov

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

33h 30m

2 stops

SYD8:30 a.m.Sydney Kingsford Smith

24 Nov

SYD10:40 a.m.Sydney Kingsford Smith

28h 50m

2 stops

YUL11:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,293

Delta

17 Oct

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

57h 50m

2 stops

SYD7:50 a.m.Sydney Kingsford Smith

17 Nov

SYD10:40 a.m.Sydney Kingsford Smith

28h 50m

2 stops

YUL11:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,294

Delta

25 Oct

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

57h 20m

2 stops

SYD7:20 a.m.Sydney Kingsford Smith

9 Nov

SYD10:40 a.m.Sydney Kingsford Smith

40h 57m

2 stops

YUL11:37 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,296

ANA flights from Montreal to Australia

Our best ANA deals on Montreal to Australia flight tickets

ANA

23 Feb

YUL8:45 a.m.Montreal Pierre Elliott Trudeau Intl

43h 30m

2 stops

SYD8:15 p.m.Sydney Kingsford Smith

23 Mar

SYD12:25 p.m.Sydney Kingsford Smith

40h 26m

2 stops

YUL1:51 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,911

ANA

24 Feb

YUL8:45 a.m.Montreal Pierre Elliott Trudeau Intl

43h 30m

2 stops

SYD8:15 p.m.Sydney Kingsford Smith

10 Mar

SYD12:25 p.m.Sydney Kingsford Smith

41h 26m

2 stops

YUL1:51 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,946

ANA

4 Oct

YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl

47h 00m

2 stops

SYD8:10 p.m.Sydney Kingsford Smith

18 Oct

SYD9:45 p.m.Sydney Kingsford Smith

38h 41m

2 stops

YUL9:26 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,569

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

7:00 a.m.-7:20 a.m.

2 stops33h 20m

Sydney Kingsford Smith

Tue 3/11

10:40 a.m.-11:57 a.m.

2 stops41h 17m

C$ 1,290

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

6:35 p.m.-8:30 a.m.

2 stops45h 55m

Sydney Kingsford Smith

Tue 17/11

10:40 a.m.-11:48 p.m.

2 stops29h 08m

C$ 1,293

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

6:00 a.m.-8:00 a.m.

2 stops34h 00m

Melbourne

Sat 21/11

10:10 a.m.-11:30 p.m.

2 stops29h 20m

C$ 1,337

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Wed 27/1

9:05 p.m.-5:45 a.m.

1 stop40h 40m

Melbourne

Tue 2/3

5:10 p.m.-2:05 p.m.

1 stop36h 55m

C$ 1,657

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Tue 9/2

9:05 p.m.-5:50 p.m.

1 stop28h 45m

Melbourne

Tue 9/3

4:10 p.m.-2:05 p.m.

1 stop37h 55m

C$ 1,673

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Tue 2/3

9:05 p.m.-5:50 p.m.

1 stop28h 45m

Melbourne

Thu 1/4

4:10 p.m.-11:30 a.m.

2 stops58h 20m

C$ 1,794

Quickest round-trip

MontrealBrisbane

YUL Montreal Pierre Elliott Trudeau Intl - BNE Brisbane

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sun 25/10

6:15 p.m.-7:45 a.m.

1 stop23h 30m

Brisbane

Mon 9/11

10:45 a.m.-5:04 p.m.

1 stop21h 19m

C$ 2,021

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

3:00 p.m.-9:35 a.m.

2 stops26h 35m

Sydney Kingsford Smith

Tue 24/11

11:20 a.m.-8:30 p.m.

1 stop25h 10m

C$ 2,031

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 29/11

8:45 a.m.-10:35 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Sun 6/12

11:50 a.m.-4:45 p.m.

2 stops44h 55m

C$ 2,085

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 23/11

7:30 a.m.-8:35 a.m.

2 stops33h 05m

Sydney Kingsford Smith

Tue 8/12

11:50 a.m.-4:45 p.m.

2 stops44h 55m

C$ 2,089

Flights are sorted by cheapest round-trip 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?

The cheapest month to fly to Australia from Montreal is in May. Flight prices, which tend to average around C$ 1,884, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Australia from Montreal during April instead. Flights to Australia in April, while not as cheap as those in May, still average around C$ 2,088.

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 C$ 2,277 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Montreal for as low as C$ 1,596 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 28% 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	C$ 718
Fastest flight time	23h 35m
Direct flights	None

The best one-way flight to Australia from Montreal in the past 72 hours is C$ 718. The best round-trip flight deal from Montreal to Australia found on momondo in the last 72 hours is C$ 1,290.

The fastest flight from Montreal to Australia takes 23h 35m

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?
As of September 2026, there are 6 operators available to choose from for flights from Montreal to Australia.
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 license 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
Delta	PriceFrom C$ 454	Free Cancellation	Rating 7.8 8,610 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,203	Free Cancellation	Rating 7.5 1,102 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,478	Free Cancellation	Rating 7.4 10,256 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,500	Free Cancellation	Rating 7.1 11,703 reviews	Search Air Canada flights
Qatar Airways	PriceFrom C$ 1,711	Free Cancellation	Rating 7.3 3,729 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom C$ 1,837	Free Cancellation	Rating 8.0 670 reviews	Search Air New Zealand 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?

All flight searches from Montreal to Australia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Montreal to Australia?

Once you have performed a search for Montreal to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Montreal to Australia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.