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

Delta and Emirates 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 61% 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$ 714 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

Enter your travel dates to find the best prices.

6:00 a.m. - 8:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

34h 30m2 stops Detroit Metropolitan Wayne County 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$ 1,282Delta

Mon, 9 Nov - Mon, 23 Nov

12:50 p.m. - 8:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 40m2 stops Detroit Metropolitan Wayne County Los Angeles

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

40h 57m2 stops Los Angeles Atlanta Hartsfield-Jackson

C$ 1,283Delta

Wed, 4 Nov - Wed, 18 Nov

7:30 a.m. - 9:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

34h 05m1 stop 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$ 1,364Air Canada

Wed, 11 Nov - Wed, 2 Dec

7:30 a.m. - 9:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

34h 05m1 stop Vancouver Intl

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

38h 43m2 stops Vancouver Intl Ottawa

C$ 1,368Air Canada

Sun, 21 Feb - Sun, 7 Mar

11:10 a.m. - 9:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 25m1 stop Toronto Pearson 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$ 1,381Air New Zealand

Sun, 8 Nov - Mon, 16 Nov

8:45 a.m. - 8:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-AVV Melbourne Avalon

43h 55m2 stops Vancouver Intl Brisbane

9:15 p.m. - 7:35 p.m.AVV Melbourne Avalon-YUL Montreal Pierre Elliott Trudeau Intl

38h 20m2 stops Brisbane Vancouver Intl

C$ 1,419Multiple Airlines

Sat, 13 Feb - Sat, 20 Feb

6:15 p.m. - 2:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 25m2 stops Vancouver Intl Brisbane

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

25h 10m1 stop Vancouver Intl

C$ 1,421Multiple Airlines

Tue, 3 Nov - Tue, 17 Nov

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

44h 15m1 stop Toronto Pearson 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$ 1,480Air New Zealand

Tue, 17 Nov - Tue, 24 Nov

10:05 p.m. - 5:50 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

28h 45m1 stop Doha Hamad Intl

5:10 p.m. - 3:05 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

36h 55m1 stop Doha Hamad Intl

C$ 1,710Qatar Airways

Mon, 15 Mar - Thu, 25 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$ 1,754Qatar Airways

Mon, 22 Feb - Mon, 1 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

32h 50m1 stop Vancouver Intl

11:20 a.m. - 3:25 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

44h 05m2 stops Vancouver Intl Toronto Pearson Intl

C$ 1,353Air Canada

Sun, 25 Oct - Sun, 8 Nov

8:05 a.m. - 8:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Edmonton Vancouver Intl

11:20 a.m. - 6:43 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

23h 23m2 stops Vancouver Intl Ottawa

C$ 1,360Air Canada

Sun, 25 Oct - Sun, 8 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

9:40 a.m. - 11:54 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 14m2 stops Los Angeles Atlanta Hartsfield-Jackson

C$ 1,388Delta

Sat, 24 Oct - Sat, 31 Oct

7:00 a.m. - 7:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 50m2 stops Atlanta Hartsfield-Jackson Los Angeles

9:40 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$ 1,391Delta

Fri, 23 Oct - Fri, 30 Oct

9:30 p.m. - 8:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

44h 05m1 stop Vancouver Intl

10:20 a.m. - 5:04 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

21h 44m1 stop Vancouver Intl

C$ 1,501Air New Zealand

Fri, 23 Oct - Fri, 30 Oct

6:00 p.m. - 11:15 p.m.YUL Montreal Pierre Elliott Trudeau Intl-AVV Melbourne Avalon

38h 15m2 stops Vancouver Intl Sydney Kingsford Smith

9:15 p.m. - 8:30 p.m.AVV Melbourne Avalon-YUL Montreal Pierre Elliott Trudeau Intl

39h 15m2 stops Brisbane Vancouver Intl

C$ 1,661Multiple Airlines

Sat, 24 Oct - Sun, 1 Nov

3:30 p.m. - 11:15 p.m.YUL Montreal Pierre Elliott Trudeau Intl-AVV Melbourne Avalon

40h 45m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

9:15 p.m. - 8:30 p.m.AVV Melbourne Avalon-YUL Montreal Pierre Elliott Trudeau Intl

39h 15m2 stops Brisbane Vancouver Intl

C$ 1,674Multiple Airlines

Sat, 24 Oct - Sun, 1 Nov

8:05 a.m. - 8:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Edmonton 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$ 2,198Air New Zealand

Sun, 25 Oct - Wed, 25 Nov

10:05 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$ 2,246Qatar Airways

Sun, 25 Oct - Wed, 25 Nov

10:05 p.m. - 6:45 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PER Perth

32h 40m1 stop Doha Hamad Intl

10:45 a.m. - 3:05 p.m.PER Perth-YUL Montreal Pierre Elliott Trudeau Intl

40h 20m2 stops Brisbane Doha Hamad Intl

C$ 2,468Qatar Airways

Fri, 23 Oct - Fri, 30 Oct

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Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

9 Nov

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

34h 30m

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

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$ 1,285

Delta

10 Nov

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

33h 20m

2 stops

SYD8:30 a.m.Sydney Kingsford Smith

18 Nov

SYD10:40 a.m.Sydney Kingsford Smith

28h 50m

2 stops

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

C$ 1,288

Air Canada flights from Montreal to Australia

Our best Air Canada deals on Montreal to Australia flight tickets

Air Canada

26 Oct

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

23h 20m

1 stop

SYD8:35 a.m.Sydney Kingsford Smith

8 Nov

SYD11:20 a.m.Sydney Kingsford Smith

24h 15m

1 stop

YUL7:35 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,331

Air Canada

26 Oct

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

23h 20m

1 stop

SYD8:35 a.m.Sydney Kingsford Smith

8 Nov

SYD11:20 a.m.Sydney Kingsford Smith

22h 33m

2 stops

YUL5:53 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,346

Air Canada

25 Oct

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

32h 50m

1 stop

SYD8:35 a.m.Sydney Kingsford Smith

8 Nov

SYD11:20 a.m.Sydney Kingsford Smith

44h 05m

2 stops

YUL3:25 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,353

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

6:00 a.m.-8:30 a.m.

2 stops34h 30m

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

Wed 4/11

12:50 p.m.-8:30 a.m.

2 stops27h 40m

Sydney Kingsford Smith

Wed 18/11

10:40 a.m.-11:37 a.m.

2 stops40h 57m

C$ 1,283

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

7:30 a.m.-9:35 a.m.

1 stop34h 05m

Sydney Kingsford Smith

Wed 2/12

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

1 stop25h 10m

C$ 1,364

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 21/2

7:30 a.m.-9:35 a.m.

1 stop34h 05m

Sydney Kingsford Smith

Sun 7/3

11:20 a.m.-10:03 a.m.

2 stops38h 43m

C$ 1,368

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

11:10 a.m.-9:35 a.m.

1 stop30h 25m

Sydney Kingsford Smith

Mon 16/11

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

1 stop25h 10m

C$ 1,381

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - AVV Melbourne Avalon

YULAVV

Montreal Pierre Elliott Trudeau Intl

Sat 13/2

8:45 a.m.-8:40 p.m.

2 stops43h 55m

Melbourne Avalon

Sat 20/2

9:15 p.m.-7:35 p.m.

2 stops38h 20m

C$ 1,419

Quickest round-trip

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

6:15 p.m.-2:40 p.m.

2 stops28h 25m

Sydney Kingsford Smith

Tue 17/11

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

1 stop25h 10m

C$ 1,420

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 17/11

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

1 stop44h 15m

Sydney Kingsford Smith

Tue 24/11

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

1 stop25h 10m

C$ 1,480

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 15/3

10:05 p.m.-5:50 p.m.

1 stop28h 45m

Melbourne

Thu 25/3

5:10 p.m.-3:05 p.m.

1 stop36h 55m

C$ 1,710

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 22/2

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

1 stop28h 45m

Melbourne

Mon 1/3

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

1 stop37h 55m

C$ 1,754

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$ 1,880, 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$ 2,102.

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$ 2,262 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$ 1,536 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 21% 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$ 714
Fastest flight time	22h 50m
Direct flights	None

The best one-way flight to Australia from Montreal in the past 72 hours is C$ 714. 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 50m

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$ 453	Free Cancellation	Rating 7.8 8,649 reviews	Search Delta flights
United Airlines	PriceFrom C$ 1,004	Free Cancellation	Rating 7.3 10,390 reviews	Search United Airlines flights
Qantas Airways	PriceFrom C$ 1,201	Free Cancellation	Rating 7.5 1,114 reviews	Search Qantas Airways flights
Air Canada	PriceFrom C$ 1,497	Free Cancellation	Rating 7.1 11,784 reviews	Search Air Canada flights
Qatar Airways	PriceFrom C$ 1,708	Free Cancellation	Rating 7.3 3,712 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom C$ 1,834	Free Cancellation	Rating 8.0 675 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.