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Cheap flights from Montreal to Sydney from $782

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 Sydney departing on 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal to Sydney (YMQ-SYD)

Cheap return flights

Logo
16:30 - 08:45YUL-SYD
25h 15m2 stops
Logo
13:55 - 16:49SYD-YUL
42h 54m2 stops
$2,242
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Fri, 24 Oct - Sat, 8 Nov
Logo
06:45 - 07:30YUL-SYD
33h 45m2 stops
Logo
10:10 - 00:37SYD-YUL
29h 27m2 stops
$2,244
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Air New Zealand Logo
08:25 - 10:30YUL-SYD
35h 05m2 stops
Air New Zealand Logo
13:55 - 16:58SYD-YUL
43h 03m2 stops
$2,247Air New Zealand
Find Deal
Sat, 25 Oct - Fri, 7 Nov
Air New Zealand Logo
18:20 - 08:45YUL-SYD
47h 25m2 stops
Air New Zealand Logo
09:55 - 06:44SYD-YUL
36h 49m2 stops
$2,248Air New Zealand
Find Deal
Sat, 1 Nov - Tue, 11 Nov
Qatar Airways Logo
21:50 - 06:50YUL-SYD
42h 00m1 stop
Qatar Airways Logo
15:50 - 14:05SYD-YUL
38h 15m1 stop
$2,251Qatar Airways
Find Deal
Tue, 28 Oct - Mon, 10 Nov
Qatar Airways Logo
20:50 - 06:50YUL-SYD
42h 00m1 stop
Qatar Airways Logo
15:50 - 14:05SYD-YUL
38h 15m1 stop
$2,261Qatar Airways
Find Deal
Wed, 19 Nov - Mon, 8 Dec
Air Canada Logo
18:00 - 11:40YUL-SYD
26h 40m2 stops
Air Canada Logo
11:20 - 21:00SYD-YUL
25h 40m1 stop
$2,280Air Canada
Find Deal
Mon, 20 Oct - Mon, 3 Nov
Air Canada Logo
09:00 - 09:35YUL-SYD
32h 35m1 stop
Air Canada Logo
11:20 - 17:00SYD-YUL
21h 40m1 stop
$2,285Air Canada
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Wed, 5 Nov - Wed, 3 Dec
United Airlines Logo
14:13 - 09:05YUL-SYD
26h 52m2 stops
United Airlines Logo
12:10 - 19:48SYD-YUL
23h 38m2 stops
$2,386United Airlines
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Tue, 4 Nov - Tue, 2 Dec
United Airlines Logo
11:23 - 07:00YUL-SYD
29h 37m2 stops
United Airlines Logo
09:30 - 21:29SYD-YUL
25h 59m2 stops
$2,394United Airlines
Find Deal
Tue, 9 Sep - Sun, 14 Sep

Air New Zealand flights from Montreal to Sydney

Our best Air New Zealand deals on Montreal to Sydney flight tickets
Air New Zealand
25 Oct
YUL08:25Montreal Pierre Elliott Trudeau Intl
35h 05m
2 stops
SYD10:30Sydney Kingsford Smith
7 Nov
SYD13:55Sydney Kingsford Smith
43h 03m
2 stops
YUL16:58Montreal Pierre Elliott Trudeau Intl
$2,247
Find similar
Air New Zealand
1 Nov
YUL18:20Montreal Pierre Elliott Trudeau Intl
47h 25m
2 stops
SYD08:45Sydney Kingsford Smith
11 Nov
SYD09:55Sydney Kingsford Smith
36h 49m
2 stops
YUL06:44Montreal Pierre Elliott Trudeau Intl
$2,248
Find similar
Air New Zealand
24 Oct
YUL08:25Montreal Pierre Elliott Trudeau Intl
35h 05m
2 stops
SYD10:30Sydney Kingsford Smith
8 Nov
SYD13:55Sydney Kingsford Smith
43h 03m
2 stops
YUL16:58Montreal Pierre Elliott Trudeau Intl
$2,300
Find similar

Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets
Qatar Airways
28 Oct
YUL21:50Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD06:50Sydney Kingsford Smith
10 Nov
SYD15:50Sydney Kingsford Smith
38h 15m
1 stop
YUL14:05Montreal Pierre Elliott Trudeau Intl
$2,251
Find similar
Qatar Airways
19 Nov
YUL20:50Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD06:50Sydney Kingsford Smith
8 Dec
SYD15:50Sydney Kingsford Smith
38h 15m
1 stop
YUL14:05Montreal Pierre Elliott Trudeau Intl
$2,261
Find similar
Qatar Airways
28 Oct
YUL21:50Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD06:50Sydney Kingsford Smith
10 Nov
SYD15:50Sydney Kingsford Smith
38h 15m
1 stop
YUL14:05Montreal Pierre Elliott Trudeau Intl
$2,262
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Montreal to Sydney 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 78,305 searches. Data last updated 30 August 2025.
Use the filters below to find and compare flights from Montreal to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

16:30-08:45

2 stops25h 15m

Sydney Kingsford Smith

Sat 8/11

13:55-16:49

2 stops42h 54m

$2,242

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

06:45-07:30

2 stops33h 45m

Sydney Kingsford Smith

Wed 22/10

10:10-00:37

2 stops29h 27m

$2,244

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

08:25-10:30

2 stops35h 05m

Sydney Kingsford Smith

Fri 7/11

13:55-16:58

2 stops43h 03m

$2,247

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

18:20-08:45

2 stops47h 25m

Sydney Kingsford Smith

Tue 11/11

09:55-06:44

2 stops36h 49m

$2,248

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 28/10

21:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Mon 10/11

15:50-14:05

1 stop38h 15m

$2,251

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

20:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Mon 8/12

15:50-14:05

1 stop38h 15m

$2,261

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 20/10

18:00-11:40

2 stops26h 40m

Sydney Kingsford Smith

Mon 3/11

11:20-21:00

1 stop25h 40m

$2,280

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

09:00-09:35

1 stop32h 35m

Sydney Kingsford Smith

Wed 3/12

11:20-17:00

1 stop21h 40m

$2,285

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

14:13-09:05

2 stops26h 52m

Sydney Kingsford Smith

Tue 2/12

12:10-19:48

2 stops23h 38m

$2,386

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

11:23-07:00

2 stops29h 37m

Sydney Kingsford Smith

Sun 14/9

09:30-21:29

2 stops25h 59m

$2,394

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from Montreal to Sydney

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 typical price of a round-trip flight between Montreal and Sydney?

What is the cheapest month to fly to Sydney?

The month of April is, on average, the cheapest month to fly to Sydney from Montreal, with most prices found around $2,241. If you aren’t able to travel to Sydney during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $2,242.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,329. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $3,382.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at midday. momondo users have found flights departing from Montreal to Sydney at midday for as low as $2,146. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $2,884 on average. Flights to Sydney from Montreal in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,484 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Montreal for as low as $1,806 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 20% on your flight if you consider stops on a Montreal to Sydney flight.

How have Montreal to Sydney flight prices changed over time?

As of August 2025, prices for Montreal to Sydney flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Montreal to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Montreal to Sydney (YMQ to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Sydney

Direct flights

None
There are no direct flights from Montreal to Sydney. There are no popular flight routes from Montreal to Sydney.
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  • How far is Montreal to Sydney Kingsford Smith by plane?

    A flight from Montreal to Sydney Kingsford Smith will travel around 16019.1 km. 23h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Montreal to Sydney Kingsford Smith Airport?

    Prices for flights from Montreal to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from Montreal to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Montreal to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport 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 licence 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.

  • What is the most popular airline from Montreal to Sydney?

Best airlines flying from Montreal to Sydney

Compare and see reviews for airlines that fly from Montreal to Sydney with momondo
Airline
Rating
Free cancellation
Price
Air CanadaPriceFrom $654Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Katoomba
Penrith
Lithgow
Manly
Bondi Beach
Leura
Coogee
Randwick
Cronulla
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Sydney for you.

Can I find flights from Montreal to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Montreal with this policy.

How can momondo help me find flights from Montreal to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Montreal.

I’m not ready to book a flight from Montreal to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Montreal to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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