Cheap flights from Montreal to Australia from C$ 734

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Australia departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap round-trip flights

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Multiple Airlines Logo
5:55 p.m. - 12:50 p.m.
YUL
-
SYD
27h 55m
2 stops
Multiple Airlines Logo
1:15 p.m. - 4:56 p.m.
SYD
-
YUL
41h 41m
2 stops
C$ 1,580Multiple Airlines
Mon, 30 Mar - Mon, 6 Apr
Multiple Airlines Logo
5:55 p.m. - 12:50 p.m.
YUL
-
SYD
27h 55m
2 stops
Multiple Airlines Logo
1:20 p.m. - 6:56 a.m.
SYD
-
YUL
31h 36m
2 stops
C$ 1,711Multiple Airlines
Mon, 30 Mar - Wed, 3 Jun
Multiple Airlines Logo
6:30 p.m. - 12:25 p.m.
YUL
-
MEL
27h 55m
2 stops
Multiple Airlines Logo
1:30 p.m. - 6:56 a.m.
MEL
-
YUL
31h 26m
2 stops
C$ 1,846Multiple Airlines
Mon, 18 May - Mon, 1 Jun
Qatar Airways Logo
9:35 p.m. - 6:15 a.m.
YUL
-
SYD
42h 40m
1 stop
Qatar Airways Logo
2:50 p.m. - 2:45 p.m.
SYD
-
YUL
37h 55m
1 stop
C$ 1,872Qatar Airways
Sun, 5 Apr - Tue, 21 Apr
Multiple Airlines Logo
7:30 p.m. - 6:35 a.m.
YUL
-
SYD
44h 05m
2 stops
Multiple Airlines Logo
5:50 p.m. - 3:13 p.m.
SYD
-
YUL
59h 23m
2 stops
C$ 1,879Multiple Airlines
Tue, 24 Mar - Sun, 12 Apr
Qantas Airways Logo
12:30 p.m. - 7:05 a.m.
YUL
-
SYD
28h 35m
2 stops
Qantas Airways Logo
8:30 p.m. - 11:45 p.m.
SYD
-
YUL
41h 15m
2 stops
C$ 1,896Qantas Airways
Tue, 21 Apr - Thu, 30 Apr
Air New Zealand Logo
6:45 p.m. - 9:25 a.m.
YUL
-
MEL
47h 40m
2 stops
Air New Zealand Logo
12:10 p.m. - 6:56 a.m.
MEL
-
YUL
32h 46m
2 stops
C$ 1,902Air New Zealand
Mon, 16 Mar - Wed, 13 May
Air New Zealand Logo
7:00 a.m. - 10:55 a.m.
YUL
-
MEL
37h 55m
2 stops
Air New Zealand Logo
8:35 a.m. - 6:56 a.m.
MEL
-
YUL
36h 21m
2 stops
C$ 1,904Air New Zealand
Mon, 18 May - Mon, 1 Jun
Qatar Airways Logo
9:50 p.m. - 10:55 p.m.
YUL
-
BNE
35h 05m
1 stop
Qatar Airways Logo
3:10 p.m. - 2:45 p.m.
BNE
-
YUL
37h 35m
1 stop
C$ 1,989Qatar Airways
Sun, 8 Mar - Tue, 19 May
United Airlines Logo
8:25 a.m. - 9:20 a.m.
YUL
-
ADL
34h 25m
3 stops
United Airlines Logo
6:05 a.m. - 4:47 p.m.
ADL
-
YUL
48h 12m
2 stops
C$ 2,745United Airlines
Mon, 16 Mar - Mon, 6 Apr

Qatar Airways flights from Montreal to Australia

Our best Qatar Airways deals on Montreal to Australia flight tickets
Qatar Airways
5 Apr
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
42h 40m
1 stop
SYD6:15 a.m.Sydney Kingsford Smith
21 Apr
SYD2:50 p.m.Sydney Kingsford Smith
37h 55m
1 stop
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,872
Qatar Airways
5 Apr
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
42h 40m
1 stop
SYD6:15 a.m.Sydney Kingsford Smith
21 Apr
SYD2:50 p.m.Sydney Kingsford Smith
37h 55m
1 stop
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,921
Qatar Airways
18 Mar
YUL9:50 p.m.Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD6:50 a.m.Sydney Kingsford Smith
21 Apr
SYD2:50 p.m.Sydney Kingsford Smith
37h 55m
1 stop
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,970

Air Canada flights from Montreal to Australia

Our best Air Canada deals on Montreal to Australia flight tickets
Air Canada
15 Apr
YUL6:00 p.m.Montreal Pierre Elliott Trudeau Intl
23h 20m
1 stop
SYD7:20 a.m.Sydney Kingsford Smith
3 Jun
SYD9:20 a.m.Sydney Kingsford Smith
24h 07m
1 stop
YUL7:27 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,947
Air Canada
30 Mar
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
33h 50m
1 stop
SYD8:20 a.m.Sydney Kingsford Smith
3 Jun
SYD9:20 a.m.Sydney Kingsford Smith
21h 38m
1 stop
YUL4:58 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,949
Air Canada
15 Apr
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
27h 35m
2 stops
SYD7:20 a.m.Sydney Kingsford Smith
3 Jun
SYD9:20 a.m.Sydney Kingsford Smith
23h 39m
2 stops
YUL6:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,958

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 17 February 2026.
Use the filters below to find and compare flights from Montreal to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

5:55 p.m.-12:50 p.m.

2 stops27h 55m

Sydney Kingsford Smith

Mon 6/4

1:15 p.m.-4:56 p.m.

2 stops41h 41m

C$ 1,580

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

5:55 p.m.-12:50 p.m.

2 stops27h 55m

Sydney Kingsford Smith

Wed 3/6

1:20 p.m.-6:56 a.m.

2 stops31h 36m

C$ 1,711

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

6:30 p.m.-12:25 p.m.

2 stops27h 55m

Melbourne

Mon 1/6

1:30 p.m.-6:56 a.m.

2 stops31h 26m

C$ 1,846

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

9:35 p.m.-6:15 a.m.

1 stop42h 40m

Sydney Kingsford Smith

Tue 21/4

2:50 p.m.-2:45 p.m.

1 stop37h 55m

C$ 1,872

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

7:30 p.m.-6:35 a.m.

2 stops44h 05m

Sydney Kingsford Smith

Sun 12/4

5:50 p.m.-3:13 p.m.

2 stops59h 23m

C$ 1,879

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

12:30 p.m.-7:05 a.m.

2 stops28h 35m

Sydney Kingsford Smith

Thu 30/4

8:30 p.m.-11:45 p.m.

2 stops41h 15m

C$ 1,896

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

6:45 p.m.-9:25 a.m.

2 stops47h 40m

Melbourne

Wed 13/5

12:10 p.m.-6:56 a.m.

2 stops32h 46m

C$ 1,902

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

7:00 a.m.-10:55 a.m.

2 stops37h 55m

Melbourne

Mon 1/6

8:35 a.m.-6:56 a.m.

2 stops36h 21m

C$ 1,904

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

9:50 p.m.-10:55 p.m.

1 stop35h 05m

Brisbane

Tue 19/5

3:10 p.m.-2:45 p.m.

1 stop37h 35m

C$ 1,989

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

8:25 a.m.-9:20 a.m.

3 stops34h 25m

Adelaide

Mon 6/4

6:05 a.m.-4:47 p.m.

2 stops48h 12m

C$ 2,745

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

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

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$ 1,914, 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 May instead. Flights to Australia in May, while not as cheap as those in September, still average around C$ 2,126.

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$ 1,538 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 34% 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

23h 25m

Direct flights

None
The fastest flight from Montreal to Australia takes 23h 25m
There are no direct flights from Montreal to Australia. There are no popular flight routes 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?

  • 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 AirlinesPriceFrom C$ 292Free CancellationRating
7.9
416 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 325Free CancellationRating
7.2
3,266 reviews
Search WestJet flights
DeltaPriceFrom C$ 356Free CancellationRating
7.9
8,206 reviews
Search Delta flights
Qantas AirwaysPriceFrom C$ 1,091Free CancellationRating
7.5
991 reviews
Search Qantas Airways flights
United AirlinesPriceFrom C$ 1,422Free CancellationRating
7.4
9,309 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 1,459Free CancellationRating
7.1
10,728 reviews
Search Air Canada flights
Air New ZealandPriceFrom C$ 1,707Free CancellationRating
8.0
585 reviews
Search Air New Zealand flights
Air FrancePriceFrom C$ 1,894Free CancellationRating
7.4
1,533 reviews
Search Air France flights
Qatar AirwaysPriceFrom C$ 1,954Free CancellationRating
7.4
3,738 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.

An easier way to manage your Australia trip

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