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

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?

The number of operators available for flights from Montreal to Australia is 1 as of December 2025.

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 licence 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.

$893 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 return flights

Enter your travel dates to find the best prices.

12:46 - 06:35

YUL

SYD

27h 49m2 stops

09:15 - 23:10

SYD

YUL

27h 55m2 stops

$1,457Delta

Mon, 4 May - Mon, 25 May

12:55 - 06:35

YUL

SYD

51h 40m2 stops

09:15 - 23:10

SYD

YUL

27h 55m2 stops

$1,459Delta

Sat, 2 May - Wed, 27 May

20:50 - 23:20

YUL

MEL

34h 30m1 stop

23:40 - 14:05

MEL

YUL

30h 25m1 stop

$1,826Qatar Airways

Tue, 3 Feb - Tue, 10 Feb

20:55 - 22:45

YUL

BNE

35h 50m1 stop

15:10 - 14:45

BNE

YUL

37h 35m1 stop

$1,888Qatar Airways

Mon, 4 May - Mon, 25 May

20:50 - 23:20

YUL

MEL

34h 30m1 stop

07:45 - 21:52

MEL

YUL

30h 07m3 stops

$2,042Multiple Airlines

Tue, 3 Feb - Tue, 10 Feb

19:10 - 01:25

YUL

PER

41h 15m2 stops

10:30 - 16:20

PER

YUL

41h 50m2 stops

$2,339KLM

Mon, 16 Feb - Mon, 16 Mar

19:10 - 15:35

YUL

PER

55h 25m3 stops

10:30 - 15:20

PER

YUL

41h 50m2 stops

$2,343KLM

Wed, 4 Feb - Wed, 11 Feb

17:00 - 23:55

YUL

PER

41h 55m2 stops

10:30 - 12:15

PER

YUL

38h 45m2 stops

$2,410Multiple Airlines

Wed, 4 Feb - Wed, 11 Feb

18:20 - 13:55

YUL

ADL

29h 05m2 stops

06:10 - 17:05

ADL

YUL

25h 25m2 stops

$2,788Air Canada

Mon, 9 Mar - Mon, 30 Mar

09:00 - 13:55

YUL

ADL

38h 25m2 stops

19:00 - 19:12

ADL

YUL

37h 42m2 stops

$2,794Air Canada

Mon, 9 Mar - Sun, 5 Apr

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

4 May

YUL12:46Montreal Pierre Elliott Trudeau Intl

27h 49m

2 stops

SYD06:35Sydney Kingsford Smith

25 May

SYD09:15Sydney Kingsford Smith

27h 55m

2 stops

YUL23:10Montreal Pierre Elliott Trudeau Intl

$1,457

Find similar

Delta

2 May

YUL12:55Montreal Pierre Elliott Trudeau Intl

51h 40m

2 stops

SYD06:35Sydney Kingsford Smith

27 May

SYD09:15Sydney Kingsford Smith

27h 55m

2 stops

YUL23:10Montreal Pierre Elliott Trudeau Intl

$1,459

Find similar

Delta

1 May

YUL07:00Montreal Pierre Elliott Trudeau Intl

33h 35m

2 stops

SYD06:35Sydney Kingsford Smith

27 May

SYD09:15Sydney Kingsford Smith

28h 43m

2 stops

YUL23:58Montreal Pierre Elliott Trudeau Intl

$1,512

Find similar

Qatar Airways flights from Montreal to Australia

Our best Qatar Airways deals on Montreal to Australia flight tickets

Qatar Airways

3 Feb

YUL20:50Montreal Pierre Elliott Trudeau Intl

34h 30m

1 stop

MEL23:20Melbourne

10 Feb

MEL23:40Melbourne

30h 25m

1 stop

YUL14:05Montreal Pierre Elliott Trudeau Intl

$1,826

Find similar

Qatar Airways

4 May

YUL20:55Montreal Pierre Elliott Trudeau Intl

35h 50m

1 stop

BNE22:45Brisbane

25 May

BNE15:10Brisbane

37h 35m

1 stop

YUL14:45Montreal Pierre Elliott Trudeau Intl

$1,888

Find similar

Qatar Airways

4 May

YUL20:55Montreal Pierre Elliott Trudeau Intl

35h 50m

1 stop

BNE22:45Brisbane

25 May

BNE15:10Brisbane

37h 35m

1 stop

YUL14:45Montreal Pierre Elliott Trudeau Intl

$1,890

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

12:46-06:35

2 stops27h 49m

Sydney Kingsford Smith

Mon 25/5

09:15-23:10

2 stops27h 55m

$1,457

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

12:55-06:35

2 stops51h 40m

Sydney Kingsford Smith

Wed 27/5

09:15-23:10

2 stops27h 55m

$1,459

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

20:50-23:20

1 stop34h 30m

Melbourne

Tue 10/2

23:40-14:05

1 stop30h 25m

$1,826

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

20:55-22:45

1 stop35h 50m

Brisbane

Mon 25/5

15:10-14:45

1 stop37h 35m

$1,888

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

20:50-23:20

1 stop34h 30m

Melbourne

Tue 10/2

07:45-21:52

3 stops30h 07m

$2,042

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

19:10-01:25

2 stops41h 15m

Perth

Mon 16/3

10:30-16:20

2 stops41h 50m

$2,339

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

19:10-15:35

3 stops55h 25m

Perth

Wed 11/2

10:30-15:20

2 stops41h 50m

$2,343

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

17:00-23:55

2 stops41h 55m

Perth

Wed 11/2

10:30-12:15

2 stops38h 45m

$2,410

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

18:20-13:55

2 stops29h 05m

Adelaide

Mon 30/3

06:10-17:05

2 stops25h 25m

$2,788

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

09:00-13:55

2 stops38h 25m

Adelaide

Sun 5/4

19:00-19:12

2 stops37h 42m

$2,794

Flights are sorted by cheapest return 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?

In general, September is the cheapest month to fly from Montreal to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $2,162. If you don’t want to visit Australia in September, then you should wait until April to fly from Montreal, when ticket prices are also cheap, with an average price of $2,234.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $2,405. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Montreal to Australia on a Thursday will generally be more expensive and average around $3,390. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 afternoon. momondo users have found flights departing from Montreal to Australia in the afternoon for as low as $2,904. 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 morning, with an average ticket price of $3,241. Departure times in the morning 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 $2,475 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Montreal for as low as $1,707 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 10% 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 50m
Direct flights	None

The fastest flight from Montreal to Australia takes 25h 50m

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?
The number of operators available for flights from Montreal to Australia is 1 as of December 2025.
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 licence 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
Air Canada	PriceFrom $647	Free cancellation	Rating 7.1 10,551 reviews		Search Air Canada 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?

Yes. momondo allows you to filter the results for Montreal to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Montreal to Australia?

Once all potential Montreal to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Montreal to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montreal to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.