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

Qatar Airways, United Airlines, 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 59% 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$ 821 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.

7:30 p.m. - 6:35 a.m.

YUL

SYD

67h 05m

2 stops

8:30 p.m. - 7:05 a.m.

SYD

YUL

25h 35m

2 stops

C$ 1,828Multiple Airlines

Mon, 16 Feb - Mon, 9 Mar

7:30 p.m. - 6:35 a.m.

YUL

SYD

43h 05m

2 stops

8:30 p.m. - 7:05 a.m.

SYD

YUL

26h 35m

2 stops

C$ 1,862Multiple Airlines

Wed, 11 Feb - Wed, 18 Feb

4:10 p.m. - 12:35 p.m.

YUL

SYD

29h 25m

3 stops

1:15 p.m. - 10:20 a.m.

SYD

YUL

35h 05m

3 stops

C$ 1,865Multiple Airlines

Tue, 24 Mar - Mon, 13 Apr

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

YUL

SYD

30h 00m

1 stop

3:50 p.m. - 3:05 p.m.

SYD

YUL

38h 15m

1 stop

C$ 1,876Qatar Airways

Sun, 22 Feb - Mon, 9 Mar

9:50 p.m. - 10:55 p.m.

YUL

BNE

35h 05m

1 stop

3:10 p.m. - 2:45 p.m.

BNE

YUL

37h 35m

1 stop

C$ 1,949Qatar Airways

Sun, 8 Mar - Tue, 19 May

1:25 p.m. - 10:30 p.m.

YUL

ADL

41h 35m

2 stops

6:10 a.m. - 5:00 p.m.

ADL

YUL

25h 20m

2 stops

C$ 2,415Air Canada

Fri, 6 Mar - Fri, 13 Mar

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

YUL

ADL

39h 55m

2 stops

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

ADL

YUL

40h 35m

2 stops

C$ 2,422Air Canada

Tue, 17 Mar - Sat, 21 Mar

5:50 p.m. - 9:30 a.m.

YUL

ADL

24h 10m

1 stop

6:05 a.m. - 8:15 p.m.

ADL

YUL

27h 40m

2 stops

C$ 2,668United Airlines

Mon, 2 Feb - Wed, 6 May

5:50 p.m. - 9:30 a.m.

YUL

ADL

24h 10m

1 stop

8:00 p.m. - 4:40 p.m.

ADL

YUL

34h 10m

2 stops

C$ 2,678United Airlines

Mon, 2 Feb - Sun, 3 May

6:25 p.m. - 10:45 a.m.

YUL

CNS

50h 20m

2 stops

11:55 a.m. - 6:43 a.m.

CNS

YUL

32h 48m

2 stops

C$ 2,883Air New Zealand

Mon, 20 Jul - Thu, 20 Aug

Qatar Airways flights from Montreal to Australia

Our best Qatar Airways deals on Montreal to Australia flight tickets

Qatar Airways

22 Feb

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

30h 00m

1 stop

SYD6:50 p.m.Sydney Kingsford Smith

9 Mar

SYD3:50 p.m.Sydney Kingsford Smith

38h 15m

1 stop

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

C$ 1,876

Qatar Airways

8 Mar

YUL9:50 p.m.Montreal Pierre Elliott Trudeau Intl

35h 05m

1 stop

BNE10:55 p.m.Brisbane

19 May

BNE3:10 p.m.Brisbane

37h 35m

1 stop

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

C$ 1,949

Qatar Airways

8 Mar

YUL9:50 p.m.Montreal Pierre Elliott Trudeau Intl

35h 05m

1 stop

BNE10:55 p.m.Brisbane

19 May

BNE3:10 p.m.Brisbane

37h 35m

1 stop

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

C$ 1,954

United Airlines flights from Montreal to Australia

Our best United Airlines deals on Montreal to Australia flight tickets

United Airlines

26 Jan

YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl

27h 47m

2 stops

MEL10:00 a.m.Melbourne

3 Feb

MEL1:00 p.m.Melbourne

24h 17m

2 stops

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

C$ 2,147

United Airlines

8 Feb

YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl

27h 17m

2 stops

MEL9:30 a.m.Melbourne

16 Feb

MEL1:00 p.m.Melbourne

24h 17m

2 stops

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

C$ 2,151

United Airlines

8 Feb

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

26h 30m

2 stops

MEL9:30 a.m.Melbourne

18 Feb

MEL1:00 p.m.Melbourne

24h 17m

2 stops

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

C$ 2,158

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

7:30 p.m.-6:35 a.m.

2 stops67h 05m

Sydney Kingsford Smith

Mon 9/3

8:30 p.m.-7:05 a.m.

2 stops25h 35m

C$ 1,828

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

7:30 p.m.-6:35 a.m.

2 stops43h 05m

Sydney Kingsford Smith

Wed 18/2

8:30 p.m.-7:05 a.m.

2 stops26h 35m

C$ 1,862

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

4:10 p.m.-12:35 p.m.

3 stops29h 25m

Sydney Kingsford Smith

Mon 13/4

1:15 p.m.-10:20 a.m.

3 stops35h 05m

C$ 1,865

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

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

1 stop30h 00m

Sydney Kingsford Smith

Mon 9/3

3:50 p.m.-3:05 p.m.

1 stop38h 15m

C$ 1,876

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

9:50 p.m.-10:55 p.m.

1 stop35h 05m

Brisbane

Tue 19/5

3:10 p.m.-2:45 p.m.

1 stop37h 35m

C$ 1,949

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

1:25 p.m.-10:30 p.m.

2 stops41h 35m

Adelaide

Fri 13/3

6:10 a.m.-5:00 p.m.

2 stops25h 20m

C$ 2,415

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.-9:00 p.m.

2 stops40h 35m

C$ 2,422

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

5:50 p.m.-9:30 a.m.

1 stop24h 10m

Adelaide

Wed 6/5

6:05 a.m.-8:15 p.m.

2 stops27h 40m

C$ 2,668

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

5:50 p.m.-9:30 a.m.

1 stop24h 10m

Adelaide

Sun 3/5

8:00 p.m.-4:40 p.m.

2 stops34h 10m

C$ 2,678

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

6:25 p.m.-10:45 a.m.

2 stops50h 20m

Cairns

Thu 20/8

11:55 a.m.-6:43 a.m.

2 stops32h 48m

C$ 2,883

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$ 1,943, 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$ 2,025.

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$ 1,561 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	22h 00m
Direct flights	None

The fastest flight from Montreal to Australia takes 22h 00m

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$ 296	Free Cancellation	Rating 7.9 412 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 330	Free Cancellation	Rating 7.2 3,247 reviews	Search WestJet flights
Delta	PriceFrom C$ 362	Free Cancellation	Rating 7.9 8,088 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,107	Free Cancellation	Rating 7.5 973 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,237	Free Cancellation	Rating 7.4 9,191 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,489	Free Cancellation	Rating 7.1 10,646 reviews	Search Air Canada flights
Air New Zealand	PriceFrom C$ 1,732	Free Cancellation	Rating 8.0 573 reviews	Search Air New Zealand flights
Air France	PriceFrom C$ 1,922	Free Cancellation	Rating 7.4 1,523 reviews	Search Air France flights
Qatar Airways	PriceFrom C$ 2,021	Free Cancellation	Rating 7.4 3,718 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.