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

Qatar Airways is the most popular carrier 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 9 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 January 2026, there are 9 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$ 856 Cheap Flights from Montreal to Australia in 2026

1 adult

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Find the cheapest flights from Montreal to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:25 a.m. - 9:35 a.m.

YUL

SYD

30h 10m3 stops

10:20 a.m. - 1:53 a.m.

SYD

YUL

30h 33m3 stops

C$ 1,739Multiple Airlines

Tue, 3 Mar - Tue, 17 Mar

2:10 p.m. - 12:35 p.m.

YUL

SYD

30h 25m3 stops

2:00 p.m. - 9:22 a.m.

SYD

YUL

35h 22m3 stops

C$ 1,758Multiple Airlines

Mon, 2 Feb - Fri, 6 Feb

7:30 a.m. - 9:55 a.m.

YUL

BNE

35h 25m2 stops

9:35 a.m. - 12:40 a.m.

BNE

YUL

29h 05m2 stops

C$ 1,789Air New Zealand

Mon, 23 Feb - Tue, 12 May

6:20 p.m. - 9:25 a.m.

YUL

MEL

48h 05m2 stops

12:10 p.m. - 12:40 a.m.

MEL

YUL

26h 30m2 stops

C$ 1,794Air New Zealand

Mon, 16 Mar - Wed, 13 May

9:35 p.m. - 10:10 p.m.

YUL

MEL

34h 35m1 stop

3:45 p.m. - 2:45 p.m.

MEL

YUL

37h 00m1 stop

C$ 1,808Qatar Airways

Sun, 5 Apr - Sun, 19 Apr

9:35 p.m. - 4:55 a.m.

YUL

MEL

41h 20m1 stop

3:45 p.m. - 2:45 p.m.

MEL

YUL

37h 00m1 stop

C$ 1,811Qatar Airways

Wed, 8 Apr - Sat, 18 Apr

7:10 p.m. - 1:25 a.m.

YUL

PER

41h 15m2 stops

10:30 a.m. - 1:15 p.m.

PER

YUL

38h 45m2 stops

C$ 2,137KLM

Mon, 16 Feb - Mon, 16 Mar

7:10 p.m. - 1:25 a.m.

YUL

PER

41h 15m2 stops

10:30 a.m. - 4:20 p.m.

PER

YUL

41h 50m2 stops

C$ 2,141KLM

Mon, 16 Feb - Mon, 16 Mar

1:25 p.m. - 1:55 p.m.

YUL

ADL

34h 00m2 stops

6:55 p.m. - 9:00 p.m.

ADL

YUL

40h 35m2 stops

C$ 2,283Air Canada

Tue, 17 Mar - Sat, 21 Mar

7:30 a.m. - 1:55 p.m.

YUL

ADL

39h 55m2 stops

6:55 p.m. - 7:25 p.m.

ADL

YUL

39h 00m2 stops

C$ 2,287Air Canada

Tue, 17 Mar - Sat, 21 Mar

United Airlines flights from Montreal to Australia

Our best United Airlines deals on Montreal to Australia flight tickets

United Airlines

14 Jan

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

32h 45m

2 stops

MEL10:00 a.m.Melbourne

1 Feb

MEL1:00 p.m.Melbourne

24h 42m

2 stops

YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,166

United Airlines

20 Jan

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

29h 05m

2 stops

SYD6:20 a.m.Sydney Kingsford Smith

24 Feb

SYD11:20 a.m.Sydney Kingsford Smith

24h 28m

2 stops

YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,169

United Airlines

25 Jan

YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl

26h 05m

2 stops

SYD9:05 a.m.Sydney Kingsford Smith

11 Feb

SYD2:00 p.m.Sydney Kingsford Smith

23h 17m

2 stops

YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,173

Qatar Airways flights from Montreal to Australia

Our best Qatar Airways deals on Montreal to Australia flight tickets

Qatar Airways

5 Apr

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

34h 35m

1 stop

MEL10:10 p.m.Melbourne

19 Apr

MEL3:45 p.m.Melbourne

37h 00m

1 stop

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

C$ 1,808

Qatar Airways

8 Apr

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

41h 20m

1 stop

MEL4:55 a.m.Melbourne

18 Apr

MEL3:45 p.m.Melbourne

37h 00m

1 stop

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

C$ 1,811

Qatar Airways

24 Feb

YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl

42h 00m

1 stop

SYD6:50 a.m.Sydney Kingsford Smith

10 Mar

SYD9:40 p.m.Sydney Kingsford Smith

32h 25m

1 stop

YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,954

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

11:25 a.m.-9:35 a.m.

3 stops30h 10m

Sydney Kingsford Smith

Tue 17/3

10:20 a.m.-1:53 a.m.

3 stops30h 33m

C$ 1,739

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

2:10 p.m.-12:35 p.m.

3 stops30h 25m

Sydney Kingsford Smith

Fri 6/2

2:00 p.m.-9:22 a.m.

3 stops35h 22m

C$ 1,758

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

7:30 a.m.-9:55 a.m.

2 stops35h 25m

Brisbane

Tue 12/5

9:35 a.m.-12:40 a.m.

2 stops29h 05m

C$ 1,789

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

6:20 p.m.-9:25 a.m.

2 stops48h 05m

Melbourne

Wed 13/5

12:10 p.m.-12:40 a.m.

2 stops26h 30m

C$ 1,794

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

9:35 p.m.-10:10 p.m.

1 stop34h 35m

Melbourne

Sun 19/4

3:45 p.m.-2:45 p.m.

1 stop37h 00m

C$ 1,808

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

9:35 p.m.-4:55 a.m.

1 stop41h 20m

Melbourne

Sat 18/4

3:45 p.m.-2:45 p.m.

1 stop37h 00m

C$ 1,811

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

7:10 p.m.-1:25 a.m.

2 stops41h 15m

Perth

Mon 16/3

10:30 a.m.-1:15 p.m.

2 stops38h 45m

C$ 2,137

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

7:10 p.m.-1:25 a.m.

2 stops41h 15m

Perth

Mon 16/3

10:30 a.m.-4:20 p.m.

2 stops41h 50m

C$ 2,141

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

1:25 p.m.-1:55 p.m.

2 stops34h 00m

Adelaide

Sat 21/3

6:55 p.m.-9:00 p.m.

2 stops40h 35m

C$ 2,283

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

7:30 a.m.-1:55 p.m.

2 stops39h 55m

Adelaide

Sat 21/3

6:55 p.m.-7:25 p.m.

2 stops39h 00m

C$ 2,287

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 September. Flight prices, which tend to average around C$ 1,980, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Australia from Montreal during April instead. Flights to Australia in April, while not as cheap as those in September, still average around C$ 2,038.

How far in advance should I book a flight 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$ 2,270 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$ 1,571 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 37% 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

Fastest flight time	25h 15m
Direct flights	None

The fastest flight from Montreal to Australia takes 25h 15m

There are no direct flights from Montreal to Australia. There are no popular flight routes from Montreal to Australia.

Search flight deals

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 January 2026, there are 9 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
Porter Airlines	PriceFrom C$ 298	Free Cancellation	Rating 8.0 406 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 332	Free Cancellation	Rating 7.2 3,235 reviews	Search WestJet flights
Delta	PriceFrom C$ 364	Free Cancellation	Rating 7.9 8,035 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,113	Free Cancellation	Rating 7.5 968 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,245	Free Cancellation	Rating 7.4 9,145 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,509	Free Cancellation	Rating 7.1 10,613 reviews	Search Air Canada flights
Air New Zealand	PriceFrom C$ 1,743	Free Cancellation	Rating 8.0 569 reviews	Search Air New Zealand flights
Air France	PriceFrom C$ 1,934	Free Cancellation	Rating 7.4 1,518 reviews	Search Air France flights
Qatar Airways	PriceFrom C$ 2,092	Free Cancellation	Rating 7.4 3,708 reviews	Search Qatar Airways 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.