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.

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?

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$ 814 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.

7:00 a.m. - 6:35 a.m.

YUL

SYD

33h 35m2 stops

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

SYD

YUL

27h 55m2 stops

C$ 1,327Delta

Mon, 4 May - Wed, 27 May

12:52 p.m. - 8:30 a.m.

YUL

SYD

27h 38m2 stops

1:15 p.m. - 11:59 p.m.

SYD

YUL

25h 44m2 stops

C$ 1,329Delta

Mon, 2 Mar - Mon, 16 Mar

2:40 p.m. - 6:50 a.m.

YUL

SYD

48h 10m2 stops

2:15 p.m. - 11:12 p.m.

SYD

YUL

24h 57m2 stops

C$ 1,330Delta

Sat, 24 Jan - Mon, 9 Feb

8:55 p.m. - 10:10 p.m.

YUL

MEL

35h 15m1 stop

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

MEL

YUL

37h 00m1 stop

C$ 1,680Qatar Airways

Tue, 28 Apr - Tue, 12 May

8:50 p.m. - 10:55 p.m.

YUL

BNE

35h 05m1 stop

3:10 p.m. - 2:05 p.m.

BNE

YUL

37h 55m1 stop

C$ 1,684Qatar Airways

Mon, 9 Feb - Mon, 23 Feb

9:15 a.m. - 9:30 a.m.

YUL

ADL

32h 45m2 stops

2:55 p.m. - 2:00 p.m.

ADL

YUL

38h 35m2 stops

C$ 2,361United Airlines

Sat, 31 Jan - Wed, 4 Feb

7:00 a.m. - 9:30 a.m.

YUL

ADL

35h 00m2 stops

2:55 p.m. - 2:00 p.m.

ADL

YUL

38h 35m2 stops

C$ 2,365United Airlines

Sat, 31 Jan - Wed, 4 Feb

7:30 a.m. - 10:55 a.m.

YUL

ADL

37h 55m2 stops

12:05 p.m. - 12:42 a.m.

ADL

YUL

26h 07m2 stops

C$ 2,495Air New Zealand

Mon, 1 Jun - Mon, 22 Jun

6:20 p.m. - 1:55 p.m.

YUL

ADL

29h 05m2 stops

6:10 a.m. - 5:05 p.m.

ADL

YUL

25h 25m2 stops

C$ 2,539Air Canada

Mon, 9 Mar - Mon, 30 Mar

9:00 a.m. - 1:55 p.m.

YUL

ADL

38h 25m2 stops

7:00 p.m. - 7:12 p.m.

ADL

YUL

37h 42m2 stops

C$ 2,544Air 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

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

27h 40m

2 stops

SYD6:35 a.m.Sydney Kingsford Smith

24 May

SYD9:15 a.m.Sydney Kingsford Smith

27h 55m

2 stops

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

C$ 1,327

Find similar

Delta

2 Mar

YUL12:52 p.m.Montreal Pierre Elliott Trudeau Intl

27h 38m

2 stops

SYD8:30 a.m.Sydney Kingsford Smith

16 Mar

SYD1:15 p.m.Sydney Kingsford Smith

25h 44m

2 stops

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

C$ 1,329

Find similar

Delta

24 Jan

YUL2:40 p.m.Montreal Pierre Elliott Trudeau Intl

48h 10m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

9 Feb

SYD2:15 p.m.Sydney Kingsford Smith

24h 57m

2 stops

YUL11:12 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,330

Find similar

Qatar Airways flights from Montreal to Australia

Our best Qatar Airways deals on Montreal to Australia flight tickets

Qatar Airways

28 Apr

YUL8:55 p.m.Montreal Pierre Elliott Trudeau Intl

35h 15m

1 stop

MEL10:10 p.m.Melbourne

12 May

MEL3:45 p.m.Melbourne

37h 00m

1 stop

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

C$ 1,680

Find similar

Qatar Airways

9 Feb

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

35h 05m

1 stop

BNE10:55 p.m.Brisbane

23 Feb

BNE3:10 p.m.Brisbane

37h 55m

1 stop

YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,684

Find similar

Qatar Airways

4 Mar

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

42h 00m

1 stop

SYD6:50 a.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$ 1,699

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

7:00 a.m.-6:35 a.m.

2 stops33h 35m

Sydney Kingsford Smith

Wed 27/5

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

2 stops27h 55m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

12:52 p.m.-8:30 a.m.

2 stops27h 38m

Sydney Kingsford Smith

Mon 16/3

1:15 p.m.-11:59 p.m.

2 stops25h 44m

C$ 1,329

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

2:40 p.m.-6:50 a.m.

2 stops48h 10m

Sydney Kingsford Smith

Mon 9/2

2:15 p.m.-11:12 p.m.

2 stops24h 57m

C$ 1,330

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

8:55 p.m.-10:10 p.m.

1 stop35h 15m

Melbourne

Tue 12/5

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

1 stop37h 00m

C$ 1,680

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

8:50 p.m.-10:55 p.m.

1 stop35h 05m

Brisbane

Mon 23/2

3:10 p.m.-2:05 p.m.

1 stop37h 55m

C$ 1,684

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

9:15 a.m.-9:30 a.m.

2 stops32h 45m

Adelaide

Wed 4/2

2:55 p.m.-2:00 p.m.

2 stops38h 35m

C$ 2,361

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

7:00 a.m.-9:30 a.m.

2 stops35h 00m

Adelaide

Wed 4/2

2:55 p.m.-2:00 p.m.

2 stops38h 35m

C$ 2,365

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

7:30 a.m.-10:55 a.m.

2 stops37h 55m

Adelaide

Mon 22/6

12:05 p.m.-12:42 a.m.

2 stops26h 07m

C$ 2,495

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:20 p.m.-1:55 p.m.

2 stops29h 05m

Adelaide

Mon 30/3

6:10 a.m.-5:05 p.m.

2 stops25h 25m

C$ 2,539

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

9:00 a.m.-1:55 p.m.

2 stops38h 25m

Adelaide

Sun 5/4

7:00 p.m.-7:12 p.m.

2 stops37h 42m

C$ 2,544

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$ 1,969, 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$ 2,035.

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$ 2,186. 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$ 2,256. 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$ 1,891. 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$ 2,267. 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$ 2,254 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$ 1,554 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	22h 46m
Direct flights	None

The fastest flight from Montreal to Australia takes 22h 46m

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$ 328	Free Cancellation	Rating 7.2 3,216 reviews	Search WestJet flights
Delta	PriceFrom C$ 449	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,101	Free Cancellation	Rating 7.5 949 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,232	Free Cancellation	Rating 7.4 9,107 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,493	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Air New Zealand	PriceFrom C$ 1,725	Free Cancellation	Rating 8.0 557 reviews	Search Air New Zealand flights
Air France	PriceFrom C$ 1,914	Free Cancellation	Rating 7.4 1,513 reviews	Search Air France flights
Qatar Airways	PriceFrom C$ 2,070	Free Cancellation	Rating 7.4 3,690 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.