Which airlines fly to Australia?

Air Canada, United Airlines and Delta 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 54% 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.

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

Delta, Qatar Airways, and Air New Zealand are the most popular carriers operating 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 April 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$ 881 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.

7:15 a.m. - 11:50 a.m.

YUL

SYD

38h 35m

3 stops

1:15 p.m. - 7:05 a.m.

SYD

YUL

31h 50m

3 stops

C$ 1,550Multiple Airlines

Wed, 29 Apr - Tue, 12 May

6:45 a.m. - 11:50 a.m.

YUL

SYD

39h 05m

3 stops

1:15 p.m. - 7:05 a.m.

SYD

YUL

31h 50m

3 stops

C$ 1,693Multiple Airlines

Sun, 3 May - Tue, 12 May

1:10 p.m. - 7:05 a.m.

YUL

BNE

27h 55m

1 stop

10:15 a.m. - 8:41 p.m.

BNE

YUL

24h 26m

2 stops

C$ 1,726Air Canada

Mon, 11 May - Tue, 26 May

9:20 p.m. - 7:05 a.m.

YUL

BNE

43h 45m

2 stops

10:00 a.m. - 11:33 p.m.

BNE

YUL

27h 33m

2 stops

C$ 1,758Air Canada

Mon, 28 Sep - Mon, 12 Oct

7:00 a.m. - 6:50 a.m.

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:35 a.m.

SYD

YUL

40h 20m

2 stops

C$ 1,767Delta

Sun, 3 May - Tue, 12 May

7:00 a.m. - 6:50 a.m.

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:41 p.m.

SYD

YUL

28h 26m

2 stops

C$ 1,774Delta

Wed, 29 Apr - Tue, 12 May

12:30 p.m. - 6:45 a.m.

YUL

MEL

52h 15m

2 stops

1:35 p.m. - 4:44 p.m.

MEL

YUL

41h 09m

2 stops

C$ 1,975Qantas Airways

Sat, 8 Aug - Wed, 19 Aug

3:45 p.m. - 5:00 a.m.

YUL

MEL

23h 15m

1 stop

1:35 p.m. - 2:44 p.m.

MEL

YUL

39h 09m

1 stop

C$ 1,998Qantas Airways

Sat, 8 Aug - Wed, 19 Aug

9:35 p.m. - 6:35 p.m.

YUL

PER

33h 00m

1 stop

5:15 p.m. - 2:45 p.m.

PER

YUL

57h 30m

2 stops

C$ 2,026Qatar Airways

Sun, 27 Sep - Wed, 14 Oct

9:35 p.m. - 11:30 p.m.

YUL

PER

37h 55m

2 stops

10:55 p.m. - 4:10 p.m.

PER

YUL

29h 15m

1 stop

C$ 2,157Qatar Airways

Sun, 3 May - Mon, 18 May

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

24 May

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

34h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

7 Jun

SYD9:15 a.m.Sydney Kingsford Smith

28h 13m

2 stops

YUL11:28 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,776

Delta

28 Apr

YUL12:55 p.m.Montreal Pierre Elliott Trudeau Intl

27h 55m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

12 May

SYD9:15 a.m.Sydney Kingsford Smith

40h 44m

2 stops

YUL11:59 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,777

Delta

22 Apr

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

33h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

13 May

SYD9:15 a.m.Sydney Kingsford Smith

28h 42m

2 stops

YUL11:57 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,778

Qatar Airways flights from Montreal to Australia

Our best Qatar Airways deals on Montreal to Australia flight tickets

Qatar Airways

15 Jun

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

42h 35m

1 stop

SYD6:10 a.m.Sydney Kingsford Smith

6 Jul

SYD8:45 p.m.Sydney Kingsford Smith

32h 00m

1 stop

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

C$ 1,924

Qatar Airways

8 Jun

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

29h 55m

1 stop

SYD5:30 p.m.Sydney Kingsford Smith

28 Jun

SYD2:50 p.m.Sydney Kingsford Smith

37h 55m

1 stop

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

C$ 1,932

Qatar Airways

25 May

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

29h 55m

1 stop

SYD5:30 p.m.Sydney Kingsford Smith

1 Jun

SYD8:45 p.m.Sydney Kingsford Smith

33h 25m

1 stop

YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,954

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

7:15 a.m.-11:50 a.m.

3 stops38h 35m

Sydney Kingsford Smith

Tue 12/5

1:15 p.m.-7:05 a.m.

3 stops31h 50m

C$ 1,550

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:45 a.m.-11:50 a.m.

3 stops39h 05m

Sydney Kingsford Smith

Tue 12/5

1:15 p.m.-7:05 a.m.

3 stops31h 50m

C$ 1,693

Quickest round-trip

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

1:10 p.m.-7:05 a.m.

1 stop27h 55m

Brisbane

Tue 26/5

10:15 a.m.-8:41 p.m.

2 stops24h 26m

C$ 1,726

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

9:20 p.m.-7:05 a.m.

2 stops43h 45m

Brisbane

Mon 12/10

10:00 a.m.-11:33 p.m.

2 stops27h 33m

C$ 1,758

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Tue 12/5

9:15 a.m.-11:35 a.m.

2 stops40h 20m

C$ 1,767

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Tue 12/5

9:15 a.m.-11:41 p.m.

2 stops28h 26m

C$ 1,774

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

12:30 p.m.-6:45 a.m.

2 stops52h 15m

Melbourne

Wed 19/8

1:35 p.m.-4:44 p.m.

2 stops41h 09m

C$ 1,975

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

3:45 p.m.-5:00 a.m.

1 stop23h 15m

Melbourne

Wed 19/8

1:35 p.m.-2:44 p.m.

1 stop39h 09m

C$ 1,998

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

9:35 p.m.-6:35 p.m.

1 stop33h 00m

Perth

Wed 14/10

5:15 p.m.-2:45 p.m.

2 stops57h 30m

C$ 2,026

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

9:35 p.m.-11:30 p.m.

2 stops37h 55m

Perth

Mon 18/5

10:55 p.m.-4:10 p.m.

1 stop29h 15m

C$ 2,157

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$ 1,983, 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 February instead. Flights to Australia in February, while not as cheap as those in September, still average around C$ 2,074.

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$ 2,283 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$ 1,836 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 49% 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 53m
Direct flights	None

The fastest flight from Montreal to Australia takes 25h 53m

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 April 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$ 279	Free Cancellation	Rating 8.0 435 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 363	Free Cancellation	Rating 7.2 3,320 reviews	Search WestJet flights
Delta	PriceFrom C$ 443	Free Cancellation	Rating 7.9 8,405 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,107	Free Cancellation	Rating 7.5 1,018 reviews	Search Qantas Airways flights
Air Canada	PriceFrom C$ 1,481	Free Cancellation	Rating 7.1 10,923 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 1,514	Free Cancellation	Rating 7.4 9,582 reviews	Search United Airlines flights
Air New Zealand	PriceFrom C$ 1,786	Free Cancellation	Rating 8.0 626 reviews	Search Air New Zealand flights
Air France	PriceFrom C$ 1,922	Free Cancellation	Rating 7.4 1,569 reviews	Search Air France flights
Qatar Airways	PriceFrom C$ 1,984	Free Cancellation	Rating 7.4 3,728 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.