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

Qatar Airways and Delta 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 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.

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 April 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$ 788 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.

7:15 a.m. - 10:40 a.m.

YUL

BNE

37h 25m

3 stops

11:35 a.m. - 7:05 a.m.

BNE

YUL

33h 30m

3 stops

C$ 1,528Multiple Airlines

Tue, 19 May - Tue, 2 Jun

7:15 a.m. - 11:50 a.m.

YUL

SYD

38h 35m

3 stops

6:00 a.m. - 7:05 a.m.

SYD

YUL

39h 05m

3 stops

C$ 1,532Multiple Airlines

Tue, 26 May - Tue, 2 Jun

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

YUL

SYD

33h 50m

2 stops

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

SYD

YUL

28h 11m

2 stops

C$ 1,771Delta

Mon, 13 Apr - Wed, 29 Apr

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

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:55 p.m.

SYD

YUL

28h 40m

2 stops

C$ 1,773Delta

Wed, 22 Jul - Sun, 9 Aug

5:30 p.m. - 11:05 a.m.

YUL

MEL

27h 35m

2 stops

6:00 a.m. - 8:45 p.m.

MEL

YUL

28h 45m

2 stops

C$ 1,961Air Canada

Tue, 1 Sep - Fri, 18 Sep

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

YUL

BNE

21h 55m

1 stop

10:30 a.m. - 8:16 a.m.

BNE

YUL

35h 46m

1 stop

C$ 1,992United Airlines

Sun, 20 Sep - Sun, 4 Oct

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

YUL

BNE

21h 55m

1 stop

11:40 a.m. - 2:51 p.m.

BNE

YUL

41h 11m

2 stops

C$ 1,995United Airlines

Wed, 16 Sep - Sun, 1 Nov

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

YUL

MEL

28h 55m

3 stops

6:00 a.m. - 4:58 p.m.

MEL

YUL

24h 58m

2 stops

C$ 2,059Air Canada

Tue, 12 May - Tue, 19 May

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$ 2,225Qatar Airways

Wed, 13 May - Wed, 20 May

9:35 p.m. - 11:20 p.m.

YUL

CNS

35h 45m

2 stops

1:55 p.m. - 2:45 p.m.

CNS

YUL

38h 50m

2 stops

C$ 2,520Qatar Airways

Wed, 29 Apr - Sat, 16 May

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

13 Apr

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

33h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

29 Apr

SYD9:15 a.m.Sydney Kingsford Smith

28h 11m

2 stops

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

C$ 1,771

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

40h 23m

2 stops

YUL11:38 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,773

Delta

28 Apr

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

33h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

6 May

SYD9:15 a.m.Sydney Kingsford Smith

28h 36m

2 stops

YUL11:51 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,774

Qatar Airways flights from Montreal to Australia

Our best Qatar Airways deals on Montreal to Australia flight tickets

Qatar Airways

19 Apr

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

29h 35m

1 stop

SYD5:10 p.m.Sydney Kingsford Smith

4 May

SYD8:45 p.m.Sydney Kingsford Smith

32h 00m

1 stop

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

C$ 2,003

Qatar Airways

19 Apr

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

29h 35m

1 stop

SYD5:10 p.m.Sydney Kingsford Smith

4 May

SYD8:45 p.m.Sydney Kingsford Smith

33h 25m

1 stop

YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,007

Qatar Airways

20 Apr

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

29h 55m

1 stop

SYD5:30 p.m.Sydney Kingsford Smith

11 May

SYD8:45 p.m.Sydney Kingsford Smith

33h 25m

1 stop

YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,049

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

7:15 a.m.-10:40 a.m.

3 stops37h 25m

Brisbane

Tue 2/6

11:35 a.m.-7:05 a.m.

3 stops33h 30m

C$ 1,528

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

7:15 a.m.-11:50 a.m.

3 stops38h 35m

Sydney Kingsford Smith

Tue 2/6

6:00 a.m.-7:05 a.m.

3 stops39h 05m

C$ 1,532

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

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

2 stops33h 50m

Sydney Kingsford Smith

Wed 29/4

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

2 stops28h 11m

C$ 1,771

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

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

2 stops33h 50m

Sydney Kingsford Smith

Sun 9/8

9:15 a.m.-11:55 p.m.

2 stops28h 40m

C$ 1,773

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

5:30 p.m.-11:05 a.m.

2 stops27h 35m

Melbourne

Fri 18/9

6:00 a.m.-8:45 p.m.

2 stops28h 45m

C$ 1,961

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sun 20/9

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

1 stop21h 55m

Brisbane

Sun 4/10

10:30 a.m.-8:16 a.m.

1 stop35h 46m

C$ 1,992

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

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

1 stop21h 55m

Brisbane

Sun 1/11

11:40 a.m.-2:51 p.m.

2 stops41h 11m

C$ 1,995

Quickest round-trip

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

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

3 stops28h 55m

Melbourne

Tue 19/5

6:00 a.m.-4:58 p.m.

2 stops24h 58m

C$ 2,059

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

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

1 stop33h 00m

Perth

Wed 20/5

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

2 stops50h 50m

C$ 2,225

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

9:35 p.m.-11:20 p.m.

2 stops35h 45m

Cairns

Sat 16/5

1:55 p.m.-2:45 p.m.

2 stops38h 50m

C$ 2,520

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$ 2,081.

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$ 2,259 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	22h 20m
Direct flights	None

The fastest flight from Montreal to Australia takes 22h 20m

There are no direct flights from Montreal to Australia. There are no popular flight routes from Montreal to Australia.

Search flight deals

Frequently asked questions about flying 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 April 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 3,310 reviews	Search WestJet flights
Delta	PriceFrom C$ 445	Free Cancellation	Rating 7.9 8,374 reviews	Search Delta flights
Fiji Airways	PriceFrom C$ 992	Free Cancellation	Rating 8.1 238 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom C$ 1,112	Free Cancellation	Rating 7.5 1,016 reviews	Search Qantas Airways flights
Air Canada	PriceFrom C$ 1,487	Free Cancellation	Rating 7.1 10,884 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 1,521	Free Cancellation	Rating 7.4 9,538 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 1,562 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.