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

Delta 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 November 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$ 816 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.

10:30 p.m. - 7:05 a.m.YUL-BNE

42h 35m2 stops

10:00 a.m. - 6:44 a.m.BNE-YUL

34h 44m1 stop

C$ 1,294Air Canada

Find Deal

Sat, 28 Mar - Mon, 20 Apr

8:10 a.m. - 7:05 a.m.YUL-BNE

32h 55m2 stops

10:00 a.m. - 7:06 p.m.BNE-YUL

23h 06m2 stops

C$ 1,345Air Canada

Find Deal

Sat, 28 Mar - Mon, 20 Apr

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

33h 30m2 stops

2:15 p.m. - 11:59 p.m.SYD-YUL

25h 44m2 stops

C$ 1,381Delta

Find Deal

Fri, 23 Jan - Mon, 16 Feb

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

31h 50m2 stops

10:40 a.m. - 11:59 p.m.SYD-YUL

29h 19m2 stops

C$ 1,429Delta

Find Deal

Thu, 22 Jan - Fri, 6 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$ 1,469United Airlines

Find Deal

Sun, 8 Feb - Wed, 18 Feb

6:30 p.m. - 6:30 a.m.YUL-BNE

46h 00m2 stops

10:30 a.m. - 10:37 a.m.BNE-YUL

38h 07m2 stops

C$ 1,472United Airlines

Find Deal

Sun, 5 Apr - Sun, 26 Apr

8:50 p.m. - 11:05 p.m.YUL-CNS

35h 15m2 stops

5:20 p.m. - 2:05 p.m.CNS-YUL

59h 45m2 stops

C$ 2,449Qatar Airways

Find Deal

Sun, 15 Feb - Wed, 18 Feb

8:50 p.m. - 11:05 p.m.YUL-CNS

35h 15m2 stops

5:20 p.m. - 2:05 p.m.CNS-YUL

59h 45m2 stops

C$ 2,451Qatar Airways

Find Deal

Sun, 15 Feb - Wed, 18 Feb

12:30 p.m. - 11:50 a.m.YUL-CNS

33h 20m3 stops

2:55 p.m. - 12:42 a.m.CNS-YUL

47h 47m3 stops

C$ 2,981Qantas Airways

Find Deal

Tue, 21 Apr - Wed, 13 May

3:50 p.m. - 10:45 a.m.YUL-CNS

51h 55m3 stops

3:35 p.m. - 7:05 a.m.CNS-YUL

54h 30m3 stops

C$ 3,625Qantas Airways

Find Deal

Sat, 10 Jan - Sat, 17 Jan

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

23 Jan

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

33h 30m

2 stops

SYD8:30 a.m.Sydney Kingsford Smith

16 Feb

SYD2:15 p.m.Sydney Kingsford Smith

25h 44m

2 stops

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

C$ 1,381

Find similar

Delta

22 Jan

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

31h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

6 Feb

SYD10:40 a.m.Sydney Kingsford Smith

29h 19m

2 stops

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

C$ 1,429

Find similar

Delta

21 May

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

33h 35m

2 stops

SYD6:35 a.m.Sydney Kingsford Smith

9 Jun

SYD9:25 a.m.Sydney Kingsford Smith

28h 09m

2 stops

YUL11:34 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,518

Find similar

United Airlines flights from Montreal to Australia

Our best United Airlines deals on Montreal to Australia flight tickets

United Airlines

8 Feb

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

26h 30m

2 stops

MEL9:30 a.m.Melbourne

18 Feb

MEL11:30 a.m.Melbourne

26h 12m

2 stops

YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,469

Find similar

United Airlines

5 Apr

YUL6:30 p.m.Montreal Pierre Elliott Trudeau Intl

46h 00m

2 stops

BNE6:30 a.m.Brisbane

26 Apr

BNE10:30 a.m.Brisbane

38h 07m

2 stops

YUL10:37 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,472

Find similar

United Airlines

3 Mar

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

31h 15m

2 stops

BNE7:30 a.m.Brisbane

18 Mar

BNE10:40 a.m.Brisbane

47h 08m

2 stops

YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,473

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sat 28/3

10:30 p.m.-7:05 a.m.

2 stops42h 35m

Brisbane

Mon 20/4

10:00 a.m.-6:44 a.m.

1 stop34h 44m

C$ 1,294

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sat 28/3

8:10 a.m.-7:05 a.m.

2 stops32h 55m

Brisbane

Mon 20/4

10:00 a.m.-7:06 p.m.

2 stops23h 06m

C$ 1,345

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

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

2 stops33h 30m

Sydney Kingsford Smith

Mon 16/2

2:15 p.m.-11:59 p.m.

2 stops25h 44m

C$ 1,381

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

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

2 stops31h 50m

Sydney Kingsford Smith

Fri 6/2

10:40 a.m.-11:59 p.m.

2 stops29h 19m

C$ 1,429

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

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

2 stops26h 30m

Melbourne

Wed 18/2

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

2 stops26h 12m

C$ 1,469

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

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

2 stops46h 00m

Brisbane

Sun 26/4

10:30 a.m.-10:37 a.m.

2 stops38h 07m

C$ 1,472

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

8:50 p.m.-11:05 p.m.

2 stops35h 15m

Cairns

Wed 18/2

5:20 p.m.-2:05 p.m.

2 stops59h 45m

C$ 2,449

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

8:50 p.m.-11:05 p.m.

2 stops35h 15m

Cairns

Wed 18/2

5:20 p.m.-2:05 p.m.

2 stops59h 45m

C$ 2,451

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

12:30 p.m.-11:50 a.m.

3 stops33h 20m

Cairns

Wed 13/5

2:55 p.m.-12:42 a.m.

3 stops47h 47m

C$ 2,981

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

3:50 p.m.-10:45 a.m.

3 stops51h 55m

Cairns

Sat 17/1

3:35 p.m.-7:05 a.m.

3 stops54h 30m

C$ 3,625

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$ 2,008, 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$ 2,067.

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$ 2,240. 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$ 2,312. 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$ 1,938. 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$ 2,323. 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$ 2,317 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$ 1,352 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 40m
Direct flights	None

The fastest flight from Montreal to Australia takes 22h 40m

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 November 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$ 302	Free Cancellation	Rating 8.0 394 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 336	Free Cancellation	Rating 7.2 3,177 reviews	Search WestJet flights
Delta	PriceFrom C$ 460	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,129	Free Cancellation	Rating 7.5 946 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,263	Free Cancellation	Rating 7.4 9,050 reviews	Search United Airlines flights
Air New Zealand	PriceFrom C$ 1,768	Free Cancellation	Rating 8.0 537 reviews	Search Air New Zealand flights
Air Canada	PriceFrom C$ 1,801	Free Cancellation	Rating 7.1 10,481 reviews	Search Air Canada flights
Air France	PriceFrom C$ 1,961	Free Cancellation	Rating 7.4 1,498 reviews	Search Air France flights
Qatar Airways	PriceFrom C$ 2,073	Free Cancellation	Rating 7.4 3,677 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.