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 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 57% 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.

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$ 785 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.

4:55 p.m. - 12:05 p.m.

YUL

SYD

29h 10m

2 stops

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

SYD

YUL

31h 36m

2 stops

C$ 1,600Multiple Airlines

Mon, 4 May - Mon, 11 May

4:55 p.m. - 10:35 a.m.

YUL

BNE

27h 40m

2 stops

11:35 a.m. - 6:51 a.m.

BNE

YUL

33h 16m

2 stops

C$ 1,608Multiple Airlines

Wed, 6 May - Wed, 13 May

12:45 p.m. - 6:50 a.m.

YUL

SYD

28h 05m

2 stops

9:15 a.m. - 11:34 p.m.

SYD

YUL

28h 19m

2 stops

C$ 1,637Delta

Wed, 22 Jul - Sun, 9 Aug

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

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:57 p.m.

SYD

YUL

28h 42m

2 stops

C$ 1,640Delta

Sun, 3 May - Mon, 18 May

6:00 p.m. - 11:05 a.m.

YUL

MEL

27h 05m

2 stops

6:00 a.m. - 8:57 p.m.

MEL

YUL

28h 57m

2 stops

C$ 1,752Air Canada

Mon, 4 May - Mon, 11 May

4:40 p.m. - 11:35 a.m.

YUL

MEL

28h 55m

3 stops

6:00 a.m. - 7:27 p.m.

MEL

YUL

27h 27m

2 stops

C$ 1,763Air Canada

Mon, 4 May - Mon, 11 May

9:45 a.m. - 6:30 a.m.

YUL

BNE

30h 45m

2 stops

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

BNE

YUL

38h 10m

2 stops

C$ 1,858United Airlines

Sun, 16 Aug - Sun, 20 Sep

9:45 a.m. - 6:30 a.m.

YUL

BNE

30h 45m

2 stops

10:30 a.m. - 7:45 p.m.

BNE

YUL

23h 15m

2 stops

C$ 1,859United Airlines

Wed, 29 Jul - Wed, 19 Aug

9:35 p.m. - 6:35 p.m.

YUL

PER

33h 00m

1 stop

11:55 p.m. - 2:45 p.m.

PER

YUL

50h 50m

2 stops

C$ 2,222Qatar Airways

Wed, 6 May - Wed, 13 May

9:35 p.m. - 11:55 a.m.

YUL

PER

26h 20m

1 stop

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

PER

YUL

39h 30m

2 stops

C$ 2,223Qatar Airways

Tue, 5 May - Tue, 12 May

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

22 Jul

YUL12:45 p.m.Montreal Pierre Elliott Trudeau Intl

28h 05m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

9 Aug

SYD9:15 a.m.Sydney Kingsford Smith

28h 19m

2 stops

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

C$ 1,637

Delta

3 May

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

33h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

18 May

SYD9:15 a.m.Sydney Kingsford Smith

28h 42m

2 stops

YUL11:57 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,640

Delta

3 May

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

33h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

18 May

SYD9:15 a.m.Sydney Kingsford Smith

28h 42m

2 stops

YUL11:57 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,641

Air New Zealand flights from Montreal to Australia

Our best Air New Zealand deals on Montreal to Australia flight tickets

Air New Zealand

31 Mar

YUL2:20 p.m.Montreal Pierre Elliott Trudeau Intl

26h 40m

2 stops

SYD8:00 a.m.Sydney Kingsford Smith

21 Apr

SYD9:30 a.m.Sydney Kingsford Smith

21h 26m

1 stop

YUL4:56 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,071

Air New Zealand

1 Apr

YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl

31h 15m

2 stops

SYD8:00 a.m.Sydney Kingsford Smith

1 Jul

SYD9:30 a.m.Sydney Kingsford Smith

36h 55m

1 stop

YUL8:25 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,235

Air New Zealand

30 Mar

YUL5:55 p.m.Montreal Pierre Elliott Trudeau Intl

33h 20m

2 stops

PER3:15 p.m.Perth

20 Apr

PER11:55 p.m.Perth

29h 01m

2 stops

YUL4:56 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,876

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

4:55 p.m.-12:05 p.m.

2 stops29h 10m

Sydney Kingsford Smith

Mon 11/5

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

2 stops31h 36m

C$ 1,600

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

4:55 p.m.-10:35 a.m.

2 stops27h 40m

Brisbane

Wed 13/5

11:35 a.m.-6:51 a.m.

2 stops33h 16m

C$ 1,608

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

12:45 p.m.-6:50 a.m.

2 stops28h 05m

Sydney Kingsford Smith

Sun 9/8

9:15 a.m.-11:34 p.m.

2 stops28h 19m

C$ 1,637

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

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

2 stops33h 50m

Sydney Kingsford Smith

Mon 18/5

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,640

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:00 p.m.-11:05 a.m.

2 stops27h 05m

Melbourne

Mon 11/5

6:00 a.m.-8:57 p.m.

2 stops28h 57m

C$ 1,752

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

4:40 p.m.-11:35 a.m.

3 stops28h 55m

Melbourne

Mon 11/5

6:00 a.m.-7:27 p.m.

2 stops27h 27m

C$ 1,763

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sun 16/8

9:45 a.m.-6:30 a.m.

2 stops30h 45m

Brisbane

Sun 20/9

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

2 stops38h 10m

C$ 1,858

Quickest round-trip

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Wed 29/7

9:45 a.m.-6:30 a.m.

2 stops30h 45m

Brisbane

Wed 19/8

10:30 a.m.-7:45 p.m.

2 stops23h 15m

C$ 1,859

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

9:35 p.m.-6:35 p.m.

1 stop33h 00m

Perth

Wed 13/5

11:55 p.m.-2:45 p.m.

2 stops50h 50m

C$ 2,222

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

9:35 p.m.-11:55 a.m.

1 stop26h 20m

Perth

Tue 12/5

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

2 stops39h 30m

C$ 2,223

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$ 1,953, 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$ 2,054.

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$ 2,241 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$ 1,793 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	26h 10m
Direct flights	None

The fastest flight from Montreal to Australia takes 26h 10m

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$ 277	Free Cancellation	Rating 8.0 427 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 360	Free Cancellation	Rating 7.2 3,300 reviews	Search WestJet flights
Delta	PriceFrom C$ 439	Free Cancellation	Rating 7.9 8,324 reviews	Search Delta flights
Fiji Airways	PriceFrom C$ 982	Free Cancellation	Rating 8.1 235 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom C$ 1,099	Free Cancellation	Rating 7.5 1,009 reviews	Search Qantas Airways flights
Air Canada	PriceFrom C$ 1,469	Free Cancellation	Rating 7.1 10,837 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 1,503	Free Cancellation	Rating 7.4 9,471 reviews	Search United Airlines flights
Air New Zealand	PriceFrom C$ 1,719	Free Cancellation	Rating 8.0 619 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom C$ 1,767	Free Cancellation	Rating 7.4 3,732 reviews	Search Qatar Airways flights
Air France	PriceFrom C$ 1,908	Free Cancellation	Rating 7.4 1,550 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.