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

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 62% 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 October 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$ 717 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

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Cheap round-trip flights

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12:44 p.m. - 8:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 46m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 a.m. - 11:30 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

52h 50m2 stops Los Angeles Minneapolis St Paul

C$ 1,283Delta

Mon, 9 Nov - Mon, 23 Nov

7:00 a.m. - 8:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 a.m. - 11:51 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 11m2 stops Los Angeles Atlanta Hartsfield-Jackson

C$ 1,285Delta

Tue, 10 Nov - Wed, 10 Feb

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. - 2:45 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

37h 35m1 stop Doha Hamad Intl

C$ 1,687Qatar Airways

Mon, 8 Mar - Wed, 31 Mar

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

28h 45m1 stop Doha Hamad Intl

5:10 p.m. - 2:45 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

36h 35m1 stop Doha Hamad Intl

C$ 1,691Qatar Airways

Wed, 10 Feb - Wed, 31 Mar

6:00 a.m. - 10:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

36h 30m2 stops Chicago O'Hare Intl Tokyo Haneda

12:25 p.m. - 7:35 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

47h 10m2 stops Tokyo Haneda Vancouver Intl

C$ 1,871Multiple Airlines

Wed, 25 Nov - Wed, 2 Dec

8:45 a.m. - 10:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 45m2 stops Vancouver Intl Tokyo Haneda

12:25 p.m. - 9:01 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

47h 36m2 stops Tokyo Haneda Chicago O'Hare Intl

C$ 1,873ANA

Tue, 23 Feb - Tue, 23 Mar

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

32h 50m2 stops Vancouver Intl Auckland Intl

11:50 a.m. - 7:10 a.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

34h 20m2 stops Auckland Intl Vancouver Intl

C$ 2,013Air New Zealand

Mon, 15 Mar - Tue, 23 Mar

1:20 p.m. - 8:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

29h 25m2 stops Vancouver Intl Auckland Intl

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

49h 50m2 stops Auckland Intl Vancouver Intl

C$ 2,025Air New Zealand

Wed, 7 Apr - Sat, 24 Apr

6:15 p.m. - 6:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

31h 45m2 stops Vancouver Intl Auckland Intl

6:00 a.m. - 8:48 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

28h 48m2 stops Brisbane Vancouver Intl

C$ 2,034Air Canada

Mon, 8 Mar - Wed, 7 Apr

1:10 p.m. - 11:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

31h 55m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

6:00 a.m. - 8:48 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

28h 48m2 stops Brisbane Vancouver Intl

C$ 2,110Air Canada

Fri, 16 Apr - Fri, 14 May

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:00 a.m. - 8:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 a.m. - 11:30 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 50m2 stops Los Angeles Minneapolis St Paul

C$ 1,288Delta

Wed, 4 Nov - Wed, 11 Nov

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

33h 20m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 a.m. - 11:25 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 45m2 stops Los Angeles Detroit Metropolitan Wayne County

C$ 1,385Delta

Sat, 31 Oct - Sat, 7 Nov

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

31h 25m2 stops Toronto Pearson Intl 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$ 2,190Air Canada

Sat, 31 Oct - Sat, 7 Nov

9:05 p.m. - 6:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

41h 45m1 stop Doha Hamad Intl

3:50 p.m. - 2:05 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

38h 15m1 stop Doha Hamad Intl

C$ 2,227Qatar Airways

Mon, 2 Nov - Sun, 8 Nov

7:30 a.m. - 9:10 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

57h 40m2 stops Vancouver Intl Brisbane

11:20 a.m. - 7:35 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 15m1 stop Vancouver Intl

C$ 2,284Air Canada

Wed, 4 Nov - Wed, 11 Nov

6:45 a.m. - 6:25 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

31h 40m2 stops Toronto Pearson Intl Los Angeles

2:00 p.m. - 12:32 a.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

26h 32m3 stops Nadi Los Angeles Toronto Pearson Intl

C$ 2,299Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

9:05 p.m. - 6:45 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PER Perth

32h 40m1 stop Doha Hamad Intl

10:45 a.m. - 2:05 p.m.PER Perth-YUL Montreal Pierre Elliott Trudeau Intl

40h 20m2 stops Brisbane Doha Hamad Intl

C$ 2,344Qatar Airways

Tue, 3 Nov - Tue, 10 Nov

6:15 p.m. - 6:25 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

44h 10m1 stop Los Angeles

8:30 p.m. - 5:04 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

36h 34m1 stop Vancouver Intl

C$ 2,385Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

12:10 p.m. - 9:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

29h 25m1 stop Toronto Pearson Intl

11:20 a.m. - 7:35 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 15m1 stop Vancouver Intl

C$ 2,429Air New Zealand

Tue, 3 Nov - Tue, 10 Nov

6:00 p.m. - 10:00 a.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

49h 00m2 stops San Francisco Auckland Intl

6:10 p.m. - 8:45 p.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

41h 35m2 stops Auckland Intl Los Angeles

C$ 2,473Air New Zealand

Wed, 4 Nov - Thu, 12 Nov

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Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

9 Nov

YUL12:44 p.m.Montreal Pierre Elliott Trudeau Intl

27h 46m

2 stops

SYD8:30 a.m.Sydney Kingsford Smith

23 Nov

SYD10:40 a.m.Sydney Kingsford Smith

52h 50m

2 stops

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

C$ 1,282

Delta

9 Nov

YUL12:44 p.m.Montreal Pierre Elliott Trudeau Intl

27h 46m

2 stops

SYD8:30 a.m.Sydney Kingsford Smith

23 Nov

SYD10:40 a.m.Sydney Kingsford Smith

52h 50m

2 stops

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

C$ 1,285

Delta

9 Nov

YUL12:50 p.m.Montreal Pierre Elliott Trudeau Intl

27h 40m

2 stops

SYD8:30 a.m.Sydney Kingsford Smith

23 Nov

SYD10:40 a.m.Sydney Kingsford Smith

52h 50m

2 stops

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

C$ 1,287

Air Canada flights from Montreal to Australia

Our best Air Canada deals on Montreal to Australia flight tickets

Air Canada

31 Oct

YUL1:15 p.m.Montreal Pierre Elliott Trudeau Intl

29h 30m

2 stops

BNE8:45 a.m.Brisbane

7 Nov

BNE10:45 a.m.Brisbane

35h 25m

1 stop

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,164

Air Canada

31 Oct

YUL6:15 p.m.Montreal Pierre Elliott Trudeau Intl

24h 30m

1 stop

BNE8:45 a.m.Brisbane

7 Nov

BNE10:45 a.m.Brisbane

24h 45m

1 stop

YUL8:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,169

Air Canada

31 Oct

YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl

31h 25m

2 stops

SYD8:35 a.m.Sydney Kingsford Smith

7 Nov

SYD11:20 a.m.Sydney Kingsford Smith

25h 10m

1 stop

YUL8:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,190

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

Mon 9/11

12:44 p.m.-8:30 a.m.

2 stops27h 46m

Sydney Kingsford Smith

Mon 23/11

10:40 a.m.-11:30 p.m.

2 stops52h 50m

C$ 1,282

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

7:00 a.m.-8:30 a.m.

2 stops33h 30m

Sydney Kingsford Smith

Wed 10/2

10:40 a.m.-11:51 p.m.

2 stops29h 11m

C$ 1,285

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 8/3

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

1 stop28h 45m

Melbourne

Wed 31/3

4:10 p.m.-2:45 p.m.

1 stop37h 35m

C$ 1,687

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Wed 10/2

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

1 stop28h 45m

Melbourne

Wed 31/3

5:10 p.m.-2:45 p.m.

1 stop36h 35m

C$ 1,691

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 25/11

6:00 a.m.-10:30 a.m.

2 stops36h 30m

Sydney Kingsford Smith

Wed 2/12

12:25 p.m.-7:35 p.m.

2 stops47h 10m

C$ 1,871

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 23/2

8:45 a.m.-10:30 a.m.

2 stops33h 45m

Sydney Kingsford Smith

Tue 23/3

12:25 p.m.-9:01 p.m.

2 stops47h 36m

C$ 1,873

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 15/3

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

2 stops32h 50m

Sydney Kingsford Smith

Tue 23/3

11:50 a.m.-7:10 a.m.

2 stops34h 20m

C$ 2,013

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 7/4

1:20 p.m.-8:45 a.m.

2 stops29h 25m

Sydney Kingsford Smith

Sat 24/4

7:20 p.m.-7:10 a.m.

2 stops49h 50m

C$ 2,025

Quickest round-trip

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 8/3

6:15 p.m.-6:00 p.m.

2 stops31h 45m

Melbourne

Wed 7/4

6:00 a.m.-8:48 p.m.

2 stops28h 48m

C$ 2,034

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Fri 16/4

1:10 p.m.-11:05 a.m.

3 stops31h 55m

Melbourne

Fri 14/5

6:00 a.m.-8:48 p.m.

2 stops28h 48m

C$ 2,110

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$ 1,860, 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$ 2,080.

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$ 2,229 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$ 1,576 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 26% 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$ 717
Fastest flight time	22h 30m
Direct flights	None

The best one-way flight to Australia from Montreal in the past 72 hours is C$ 717. The best round-trip flight deal from Montreal to Australia found on momondo in the last 72 hours is C$ 1,282.

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?
As of October 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$ 448	Free Cancellation	Rating 7.8 8,692 reviews	Search Delta flights
United Airlines	PriceFrom C$ 821	Free Cancellation	Rating 7.3 10,451 reviews	Search United Airlines flights
Qantas Airways	PriceFrom C$ 1,188	Free Cancellation	Rating 7.5 1,121 reviews	Search Qantas Airways flights
Air Canada	PriceFrom C$ 1,481	Free Cancellation	Rating 7.1 11,833 reviews	Search Air Canada flights
Qatar Airways	PriceFrom C$ 1,690	Free Cancellation	Rating 7.3 3,712 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom C$ 1,814	Free Cancellation	Rating 8.0 679 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.