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

Delta, Air New Zealand, and Air Canada 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$ 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

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One-way

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Cheap round-trip flights

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9:20 p.m. - 9:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

44h 15m2 stops Toronto Pearson Intl Vancouver Intl

11:20 a.m. - 5:58 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

46h 38m2 stops Vancouver Intl Edmonton

C$ 1,208Air Canada

Wed, 23 Dec - Sun, 17 Jan

8:00 p.m. - 9:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

45h 35m2 stops Toronto Pearson Intl Vancouver Intl

4:00 p.m. - 5:58 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

41h 58m2 stops Vancouver Intl Edmonton

C$ 1,208Air Canada

Wed, 23 Dec - Thu, 14 Jan

9:20 p.m. - 9:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

44h 15m2 stops Toronto Pearson Intl Vancouver Intl

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

28h 05m2 stops Auckland Intl Vancouver Intl

C$ 1,244Multiple Airlines

Wed, 23 Dec - Wed, 13 Jan

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$ 1,289Delta

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

29h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

C$ 1,291Delta

Wed, 11 Nov - Wed, 18 Nov

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$ 1,696Qatar Airways

Wed, 10 Feb - Wed, 31 Mar

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

40h 40m1 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$ 1,733Qatar Airways

Mon, 25 Jan - Mon, 15 Feb

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$ 1,879ANA

Tue, 23 Feb - 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$ 2,031Air New Zealand

Wed, 7 Apr - Sat, 24 Apr

8:45 a.m. - 12:50 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

36h 05m2 stops Vancouver Intl Auckland Intl

2:05 p.m. - 4:43 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

41h 38m2 stops Auckland Intl Los Angeles

C$ 2,058Air New Zealand

Mon, 15 Feb - Mon, 15 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:50 p.m. - 7:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

28h 40m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 a.m. - 11:25 p.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

27h 45m2 stops Los Angeles Detroit Metropolitan Wayne County

C$ 1,389Delta

Wed, 28 Oct - Wed, 4 Nov

12:50 p.m. - 7:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

28h 40m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 a.m. - 11:25 p.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

27h 45m2 stops Los Angeles Detroit Metropolitan Wayne County

C$ 1,390Delta

Wed, 28 Oct - Wed, 4 Nov

10:05 p.m. - 5:30 p.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

29h 25m1 stop Doha Hamad Intl

9:55 p.m. - 2:05 p.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

31h 10m1 stop Doha Hamad Intl

C$ 2,078Qatar Airways

Wed, 28 Oct - Wed, 4 Nov

10:05 p.m. - 5:30 p.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

29h 25m1 stop Doha Hamad Intl

12:30 p.m. - 2:05 p.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

40h 35m2 stops Perth Doha Hamad Intl

C$ 2,207Qatar Airways

Wed, 28 Oct - Wed, 4 Nov

8:45 a.m. - 7:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

33h 00m1 stop Vancouver Intl

10:45 a.m. - 6:42 a.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

34h 57m2 stops Vancouver Intl Ottawa

C$ 2,217Air Canada

Wed, 28 Oct - Wed, 4 Nov

8:45 a.m. - 7:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

33h 00m1 stop Vancouver Intl

10:45 a.m. - 8:30 p.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

24h 45m1 stop Vancouver Intl

C$ 2,217Air Canada

Wed, 28 Oct - Wed, 4 Nov

7:40 a.m. - 5:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

32h 10m2 stops Philadelphia Los Angeles

6:45 a.m. - 9:26 p.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

29h 41m3 stops Sydney Kingsford Smith Los Angeles Philadelphia

C$ 2,594American Airlines

Wed, 28 Oct - Wed, 4 Nov

12:30 p.m. - 5:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

27h 20m2 stops Chicago O'Hare Intl Los Angeles

6:45 a.m. - 9:26 p.m.BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

29h 41m3 stops Sydney Kingsford Smith Los Angeles Philadelphia

C$ 2,681Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

10:55 a.m. - 9:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 10m3 stops New York LaGuardia Chicago O'Hare Intl Los Angeles

9:15 a.m. - 9:42 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 27m2 stops Houston George Bush Intcntl Newark

C$ 2,908United Airlines

Mon, 2 Nov - Sun, 8 Nov

2:13 p.m. - 9:20 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 07m2 stops Washington, D.C. Dulles Intl San Francisco

11:20 a.m. - 8:45 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 25m1 stop Los Angeles

C$ 2,908United Airlines

Mon, 2 Nov - Sun, 8 Nov

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Qatar Airways flights from Montreal to Australia

Our best Qatar Airways deals on Montreal to Australia flight tickets

Qatar Airways

10 Feb

YUL9:05 p.m.Montreal Pierre Elliott Trudeau Intl

28h 45m

1 stop

MEL5:50 p.m.Melbourne

31 Mar

MEL5:10 p.m.Melbourne

36h 35m

1 stop

YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,696

Qatar Airways

25 Jan

YUL9:05 p.m.Montreal Pierre Elliott Trudeau Intl

40h 40m

1 stop

MEL5:45 a.m.Melbourne

15 Feb

MEL4:10 p.m.Melbourne

37h 55m

1 stop

YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,733

Qatar Airways

25 Jan

YUL9:05 p.m.Montreal Pierre Elliott Trudeau Intl

40h 40m

1 stop

MEL5:45 a.m.Melbourne

15 Feb

MEL4:10 p.m.Melbourne

37h 55m

1 stop

YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,758

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

9 Nov

YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl

45h 55m

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$ 1,288

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$ 1,289

Delta

10 Nov

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

33h 20m

2 stops

SYD8:30 a.m.Sydney Kingsford Smith

10 Feb

SYD10:40 a.m.Sydney Kingsford Smith

29h 11m

2 stops

YUL11:51 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,291

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

Wed 23/12

9:20 p.m.-9:35 a.m.

2 stops44h 15m

Sydney Kingsford Smith

Sun 17/1

11:20 a.m.-5:58 p.m.

2 stops46h 38m

C$ 1,208

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 23/12

8:00 p.m.-9:35 a.m.

2 stops45h 35m

Sydney Kingsford Smith

Thu 14/1

4:00 p.m.-5:58 p.m.

2 stops41h 58m

C$ 1,208

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 23/12

9:20 p.m.-9:35 a.m.

2 stops44h 15m

Sydney Kingsford Smith

Wed 13/1

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

2 stops28h 05m

C$ 1,244

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$ 1,289

Quickest round-trip

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

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

2 stops33h 30m

Sydney Kingsford Smith

Wed 18/11

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

2 stops29h 08m

C$ 1,291

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$ 1,696

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 25/1

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

1 stop40h 40m

Melbourne

Mon 15/2

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

1 stop37h 55m

C$ 1,733

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$ 1,878

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$ 2,031

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 15/2

8:45 a.m.-12:50 p.m.

2 stops36h 05m

Sydney Kingsford Smith

Mon 15/3

2:05 p.m.-4:43 p.m.

2 stops41h 38m

C$ 2,058

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$ 1,866, 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$ 2,086.

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$ 2,236 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$ 1,581 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$ 718
Fastest flight time	26h 30m
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$ 1,208.

The fastest flight from Montreal to Australia takes 26h 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$ 449	Free Cancellation	Rating 7.8 8,682 reviews	Search Delta flights
United Airlines	PriceFrom C$ 823	Free Cancellation	Rating 7.3 10,443 reviews	Search United Airlines flights
Qantas Airways	PriceFrom C$ 1,192	Free Cancellation	Rating 7.5 1,118 reviews	Search Qantas Airways flights
Air Canada	PriceFrom C$ 1,486	Free Cancellation	Rating 7.1 11,818 reviews	Search Air Canada flights
Qatar Airways	PriceFrom C$ 1,695	Free Cancellation	Rating 7.3 3,708 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom C$ 1,820	Free Cancellation	Rating 8.0 676 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.