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

Delta, Qatar Airways, and United Airlines 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 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 December 2025, 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$ 694 Cheap Flights from Montreal to Australia in 2025/26

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.

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

YUL

SYD

28h 00m2 stops

10:40 a.m. - 10:57 a.m.

SYD

YUL

40h 17m2 stops

C$ 1,331Delta

Sun, 22 Feb - Sun, 8 Mar

12:45 p.m. - 6:35 a.m.

YUL

SYD

51h 50m2 stops

9:15 a.m. - 11:10 p.m.

SYD

YUL

27h 55m2 stops

C$ 1,332Delta

Sat, 2 May - Sun, 24 May

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

YUL

SYD

33h 30m2 stops

2:15 p.m. - 11:26 p.m.

SYD

YUL

25h 11m2 stops

C$ 1,334Delta

Mon, 9 Feb - Tue, 24 Feb

7:00 p.m. - 9:35 a.m.

YUL

SYD

46h 35m2 stops

1:00 p.m. - 7:25 p.m.

SYD

YUL

46h 25m2 stops

C$ 1,392Air Canada

Sat, 31 Jan - Sat, 7 Feb

1:25 p.m. - 7:45 a.m.

YUL

BNE

28h 20m1 stop

10:00 a.m. - 5:05 p.m.

BNE

YUL

21h 05m1 stop

C$ 1,407Air Canada

Tue, 17 Mar - Tue, 14 Apr

2:13 p.m. - 9:30 a.m.

YUL

MEL

27h 17m2 stops

11:30 a.m. - 9:17 p.m.

MEL

YUL

25h 47m2 stops

C$ 1,469United Airlines

Sun, 8 Feb - Wed, 18 Feb

3:00 p.m. - 9:30 a.m.

YUL

MEL

26h 30m2 stops

11:30 a.m. - 9:42 p.m.

MEL

YUL

26h 12m2 stops

C$ 1,470United Airlines

Mon, 2 Feb - Mon, 16 Feb

8:50 p.m. - 6:45 p.m.

YUL

PER

32h 55m1 stop

5:55 p.m. - 2:05 p.m.

PER

YUL

57h 10m2 stops

C$ 1,981Qatar Airways

Wed, 11 Feb - Wed, 25 Feb

8:50 p.m. - 10:00 p.m.

YUL

PER

36h 10m2 stops

3:55 p.m. - 2:05 p.m.

PER

YUL

35h 10m1 stop

C$ 1,992Qatar Airways

Sun, 15 Feb - Sat, 21 Feb

3:55 p.m. - 10:55 a.m.

YUL

ADL

51h 30m3 stops

9:00 a.m. - 3:03 p.m.

ADL

YUL

44h 33m3 stops

C$ 3,042Qantas Airways

Sun, 1 Mar - Thu, 26 Mar

Air Canada flights from Montreal to Australia

Our best Air Canada deals on Montreal to Australia flight tickets

Air Canada

31 Jan

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

46h 35m

2 stops

SYD9:35 a.m.Sydney Kingsford Smith

7 Feb

SYD1:00 p.m.Sydney Kingsford Smith

46h 25m

2 stops

YUL7:25 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,392

Find similar

Air Canada

17 Mar

YUL1:25 p.m.Montreal Pierre Elliott Trudeau Intl

28h 20m

1 stop

BNE7:45 a.m.Brisbane

14 Apr

BNE10:00 a.m.Brisbane

21h 05m

1 stop

YUL5:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,407

Find similar

Air Canada

31 Jan

YUL9:10 p.m.Montreal Pierre Elliott Trudeau Intl

44h 25m

2 stops

SYD9:35 a.m.Sydney Kingsford Smith

7 Feb

SYD11:20 a.m.Sydney Kingsford Smith

25h 40m

1 stop

YUL9:00 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,419

Find similar

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

2 May

YUL12:45 p.m.Montreal Pierre Elliott Trudeau Intl

51h 50m

2 stops

SYD6:35 a.m.Sydney Kingsford Smith

27 May

SYD9:15 a.m.Sydney Kingsford Smith

27h 55m

2 stops

YUL11:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,332

Find similar

Delta

9 Feb

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

33h 30m

2 stops

SYD8:30 a.m.Sydney Kingsford Smith

24 Feb

SYD2:15 p.m.Sydney Kingsford Smith

25h 11m

2 stops

YUL11:26 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,334

Find similar

Delta

1 May

YUL12:45 p.m.Montreal Pierre Elliott Trudeau Intl

27h 50m

2 stops

SYD6:35 a.m.Sydney Kingsford Smith

27 May

SYD9:15 a.m.Sydney Kingsford Smith

28h 43m

2 stops

YUL11:58 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,381

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

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

2 stops28h 00m

Sydney Kingsford Smith

Sun 8/3

10:40 a.m.-10:57 a.m.

2 stops40h 17m

C$ 1,331

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

12:45 p.m.-6:35 a.m.

2 stops51h 50m

Sydney Kingsford Smith

Sun 24/5

9:15 a.m.-11:10 p.m.

2 stops27h 55m

C$ 1,332

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

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

2 stops33h 30m

Sydney Kingsford Smith

Tue 24/2

2:15 p.m.-11:26 p.m.

2 stops25h 11m

C$ 1,334

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

7:00 p.m.-9:35 a.m.

2 stops46h 35m

Sydney Kingsford Smith

Sat 7/2

1:00 p.m.-7:25 p.m.

2 stops46h 25m

C$ 1,392

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

1:25 p.m.-7:45 a.m.

1 stop28h 20m

Brisbane

Tue 14/4

10:00 a.m.-5:05 p.m.

1 stop21h 05m

C$ 1,407

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

2:13 p.m.-9:30 a.m.

2 stops27h 17m

Melbourne

Wed 18/2

11:30 a.m.-9:17 p.m.

2 stops25h 47m

C$ 1,469

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

3:00 p.m.-9:30 a.m.

2 stops26h 30m

Melbourne

Mon 16/2

11:30 a.m.-9:42 p.m.

2 stops26h 12m

C$ 1,470

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

8:50 p.m.-6:45 p.m.

1 stop32h 55m

Perth

Wed 25/2

5:55 p.m.-2:05 p.m.

2 stops57h 10m

C$ 1,981

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

8:50 p.m.-10:00 p.m.

2 stops36h 10m

Perth

Sat 21/2

3:55 p.m.-2:05 p.m.

1 stop35h 10m

C$ 1,992

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

3:55 p.m.-10:55 a.m.

3 stops51h 30m

Adelaide

Thu 26/3

9:00 a.m.-3:03 p.m.

3 stops44h 33m

C$ 3,042

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$ 1,963, 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$ 2,036.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from Montreal is on a Sunday. momondo users have found tickets for Sunday departures for as low as C$ 2,187. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 2,258. These prices are subject to change though, so be sure to set up a Price Alert for flights to Australia.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is in the evening. momondo users have found flights departing from Montreal to Australia in the evening for as low as C$ 1,893. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the afternoon, with an average ticket price of C$ 2,269. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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$ 2,257 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$ 1,556 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 41% 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	23h 10m
Direct flights	None

The fastest flight from Montreal to Australia takes 23h 10m

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 December 2025, 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$ 295	Free Cancellation	Rating 8.0 399 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 329	Free Cancellation	Rating 7.2 3,205 reviews	Search WestJet flights
Delta	PriceFrom C$ 450	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,102	Free Cancellation	Rating 7.5 947 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,233	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,495	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
Air New Zealand	PriceFrom C$ 1,726	Free Cancellation	Rating 8.0 554 reviews	Search Air New Zealand flights
Air France	PriceFrom C$ 1,915	Free Cancellation	Rating 7.4 1,508 reviews	Search Air France flights
Qatar Airways	PriceFrom C$ 2,072	Free Cancellation	Rating 7.4 3,686 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.