Which airlines fly to Australia?

Air Canada, United Airlines and Delta 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 55% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 10 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, Air Canada, 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 March 2026, there are 10 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$ 793 Cheap Flights from Montreal to Australia in 2026

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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.

5:55 p.m. - 12:05 p.m.

YUL

SYD

28h 10m

2 stops

1:15 p.m. - 6:51 a.m.

SYD

YUL

31h 36m

2 stops

C$ 1,598Multiple Airlines

Mon, 27 Apr - Mon, 11 May

12:55 p.m. - 6:50 a.m.

YUL

SYD

27h 55m

2 stops

9:15 a.m. - 11:26 p.m.

SYD

YUL

28h 11m

2 stops

C$ 1,780Delta

Mon, 13 Apr - Mon, 4 May

6:10 a.m. - 6:30 a.m.

YUL

BNE

58h 20m

2 stops

10:30 a.m. - 2:40 p.m.

BNE

YUL

42h 10m

2 stops

C$ 1,998United Airlines

Sun, 26 Jul - Sun, 23 Aug

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

YUL

BNE

21h 55m

1 stop

10:30 a.m. - 10:40 a.m.

BNE

YUL

38h 10m

2 stops

C$ 2,002United Airlines

Wed, 16 Sep - Wed, 30 Sep

9:35 p.m. - 11:30 p.m.

YUL

PER

37h 55m

2 stops

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

PER

YUL

28h 00m

1 stop

C$ 2,234Qatar Airways

Sun, 26 Apr - Sun, 3 May

4:40 p.m. - 11:55 p.m.

YUL

PER

43h 15m

2 stops

8:20 a.m. - 3:00 p.m.

PER

YUL

42h 40m

2 stops

C$ 2,355SWISS

Wed, 2 Sep - Wed, 14 Oct

4:40 p.m. - 11:55 p.m.

YUL

PER

43h 15m

2 stops

1:45 p.m. - 1:50 p.m.

PER

YUL

36h 05m

3 stops

C$ 2,487SWISS

Wed, 2 Sep - Wed, 14 Oct

3:45 p.m. - 6:35 p.m.

YUL

PER

38h 50m

2 stops

11:15 a.m. - 2:45 p.m.

PER

YUL

39h 30m

2 stops

C$ 2,610Qatar Airways

Sun, 26 Apr - Sun, 3 May

7:00 a.m. - 11:50 a.m.

YUL

ADL

39h 20m

3 stops

8:00 p.m. - 11:21 p.m.

ADL

YUL

41h 51m

3 stops

C$ 2,696Air Canada

Tue, 1 Sep - Tue, 6 Oct

9:30 p.m. - 11:10 a.m.

YUL

CNS

47h 40m

2 stops

4:35 p.m. - 12:40 a.m.

CNS

YUL

46h 05m

2 stops

C$ 2,822Air Canada

Sat, 23 May - Wed, 27 May

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

13 Apr

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

27h 55m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

4 May

SYD9:15 a.m.Sydney Kingsford Smith

28h 11m

2 stops

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

C$ 1,780

Delta

18 Apr

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

57h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

26 Apr

SYD9:15 a.m.Sydney Kingsford Smith

28h 11m

2 stops

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

C$ 1,782

Delta

21 Jul

YUL6:47 p.m.Montreal Pierre Elliott Trudeau Intl

46h 03m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

5 Aug

SYD9:15 a.m.Sydney Kingsford Smith

40h 24m

2 stops

YUL11:39 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,784

American Airlines flights from Montreal to Australia

Our best American Airlines deals on Montreal to Australia flight tickets

American Airlines

26 Apr

YUL2:32 p.m.Montreal Pierre Elliott Trudeau Intl

24h 28m

2 stops

BNE5:00 a.m.Brisbane

3 May

BNE8:35 p.m.Brisbane

29h 09m

2 stops

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,114

American Airlines

8 Apr

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

26h 30m

2 stops

MEL5:00 a.m.Melbourne

27 Apr

MEL9:45 a.m.Melbourne

27h 13m

2 stops

YUL10:58 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,131

American Airlines

8 Apr

YUL7:45 a.m.Montreal Pierre Elliott Trudeau Intl

31h 15m

2 stops

BNE5:00 a.m.Brisbane

5 May

BNE8:35 p.m.Brisbane

31h 17m

2 stops

YUL1:52 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,157

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

5:55 p.m.-12:05 p.m.

2 stops28h 10m

Sydney Kingsford Smith

Mon 11/5

1:15 p.m.-6:51 a.m.

2 stops31h 36m

C$ 1,598

Quickest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

12:55 p.m.-6:50 a.m.

2 stops27h 55m

Sydney Kingsford Smith

Mon 4/5

9:15 a.m.-11:26 p.m.

2 stops28h 11m

C$ 1,780

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sun 26/7

6:10 a.m.-6:30 a.m.

2 stops58h 20m

Brisbane

Sun 23/8

10:30 a.m.-2:40 p.m.

2 stops42h 10m

C$ 1,998

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

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

1 stop21h 55m

Brisbane

Wed 30/9

10:30 a.m.-10:40 a.m.

2 stops38h 10m

C$ 2,002

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

9:35 p.m.-11:30 p.m.

2 stops37h 55m

Perth

Sun 3/5

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

1 stop28h 00m

C$ 2,234

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

4:40 p.m.-11:55 p.m.

2 stops43h 15m

Perth

Wed 14/10

8:20 a.m.-3:00 p.m.

2 stops42h 40m

C$ 2,355

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

4:40 p.m.-11:55 p.m.

2 stops43h 15m

Perth

Wed 14/10

1:45 p.m.-1:50 p.m.

3 stops36h 05m

C$ 2,487

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

3:45 p.m.-6:35 p.m.

2 stops38h 50m

Perth

Sun 3/5

11:15 a.m.-2:45 p.m.

2 stops39h 30m

C$ 2,610

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

7:00 a.m.-11:50 a.m.

3 stops39h 20m

Adelaide

Tue 6/10

8:00 p.m.-11:21 p.m.

3 stops41h 51m

C$ 2,696

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

9:30 p.m.-11:10 a.m.

2 stops47h 40m

Cairns

Wed 27/5

4:35 p.m.-12:40 a.m.

2 stops46h 05m

C$ 2,822

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$ 1,977, 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$ 2,080.

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$ 2,269 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$ 1,816 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 47% 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	21h 55m
Direct flights	None

The fastest flight from Montreal to Australia takes 21h 55m

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 March 2026, there are 10 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$ 281	Free Cancellation	Rating 8.0 430 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 365	Free Cancellation	Rating 7.2 3,305 reviews	Search WestJet flights
Delta	PriceFrom C$ 445	Free Cancellation	Rating 7.9 8,359 reviews	Search Delta flights
Fiji Airways	PriceFrom C$ 992	Free Cancellation	Rating 8.1 237 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom C$ 1,112	Free Cancellation	Rating 7.5 1,014 reviews	Search Qantas Airways flights
Air Canada	PriceFrom C$ 1,487	Free Cancellation	Rating 7.1 10,861 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 1,521	Free Cancellation	Rating 7.4 9,512 reviews	Search United Airlines flights
Qatar Airways	PriceFrom C$ 1,789	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom C$ 1,794	Free Cancellation	Rating 8.0 623 reviews	Search Air New Zealand flights
Air France	PriceFrom C$ 1,931	Free Cancellation	Rating 7.4 1,556 reviews	Search Air France 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.