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Cheap flights from Montreal to Sydney from $858

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 28/1. 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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Cheap return flights

Multiple Airlines Logo
07:30 - 08:45YUL-SYD
33h 15m3 stops
Multiple Airlines Logo
13:55 - 08:26SYD-YUL
34h 31m3 stops
$2,188Multiple Airlines
Find Deal
Sun, 9 Nov - Mon, 24 Nov
Qatar Airways Logo
20:50 - 06:50YUL-SYD
42h 00m1 stop
Qatar Airways Logo
15:50 - 14:05SYD-YUL
38h 15m1 stop
$2,229Qatar Airways
Find Deal
Wed, 18 Feb - Mon, 2 Mar
Qatar Airways Logo
20:50 - 06:50YUL-SYD
42h 00m1 stop
Qatar Airways Logo
15:50 - 14:05SYD-YUL
38h 15m1 stop
$2,251Qatar Airways
Find Deal
Mon, 9 Feb - Mon, 23 Feb
Multiple Airlines Logo
08:25 - 09:00YUL-SYD
32h 35m1 stop
Multiple Airlines Logo
11:20 - 20:43SYD-YUL
25h 23m1 stop
$2,257Multiple Airlines
Find Deal
Fri, 7 Nov - Thu, 20 Nov
Multiple Airlines Logo
12:10 - 09:00YUL-SYD
28h 50m2 stops
Multiple Airlines Logo
11:20 - 20:43SYD-YUL
25h 23m1 stop
$2,266Multiple Airlines
Find Deal
Fri, 7 Nov - Thu, 20 Nov
China Eastern Logo
06:45 - 13:35YUL-SYD
38h 50m2 stops
China Eastern Logo
12:00 - 00:43SYD-YUL
52h 43m2 stops
$2,316China Eastern
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Fri, 7 Nov - Thu, 20 Nov
Air Canada Logo
07:30 - 09:35YUL-SYD
34h 05m1 stop
Air Canada Logo
08:30 - 17:00SYD-YUL
24h 30m2 stops
$2,329Air Canada
Find Deal
Sun, 9 Nov - Mon, 24 Nov
Air Canada Logo
21:30 - 09:35YUL-SYD
44h 05m2 stops
Air Canada Logo
08:30 - 17:00SYD-YUL
24h 30m2 stops
$2,331Air Canada
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Sun, 9 Nov - Mon, 24 Nov
United Airlines Logo
09:45 - 07:00YUL-SYD
31h 15m2 stops
United Airlines Logo
11:20 - 19:45SYD-YUL
23h 25m2 stops
$2,349United Airlines
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Wed, 1 Oct - Tue, 21 Oct
United Airlines Logo
18:30 - 06:55YUL-SYD
22h 25m1 stop
United Airlines Logo
11:20 - 08:16SYD-YUL
35h 56m1 stop
$2,353United Airlines
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Mon, 29 Sep - Sun, 19 Oct

Air Canada flights from Montreal to Sydney

Our best Air Canada deals on Montreal to Sydney flight tickets
Air Canada
9 Nov
YUL07:30Montreal Pierre Elliott Trudeau Intl
34h 05m
1 stop
SYD09:35Sydney Kingsford Smith
24 Nov
SYD08:30Sydney Kingsford Smith
24h 30m
2 stops
YUL17:00Montreal Pierre Elliott Trudeau Intl
$2,329
Find similar
Air Canada
9 Nov
YUL21:30Montreal Pierre Elliott Trudeau Intl
44h 05m
2 stops
SYD09:35Sydney Kingsford Smith
24 Nov
SYD08:30Sydney Kingsford Smith
24h 30m
2 stops
YUL17:00Montreal Pierre Elliott Trudeau Intl
$2,331
Find similar
Air Canada
28 Oct
YUL18:20Montreal Pierre Elliott Trudeau Intl
23h 15m
1 stop
SYD08:35Sydney Kingsford Smith
10 Nov
SYD11:20Sydney Kingsford Smith
25h 40m
1 stop
YUL21:00Montreal Pierre Elliott Trudeau Intl
$2,389
Find similar

Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets
Qatar Airways
18 Feb
YUL20:50Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD06:50Sydney Kingsford Smith
2 Mar
SYD15:50Sydney Kingsford Smith
38h 15m
1 stop
YUL14:05Montreal Pierre Elliott Trudeau Intl
$2,229
Find similar
Qatar Airways
9 Feb
YUL20:50Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD06:50Sydney Kingsford Smith
23 Feb
SYD15:50Sydney Kingsford Smith
38h 15m
1 stop
YUL14:05Montreal Pierre Elliott Trudeau Intl
$2,251
Find similar
Qatar Airways
7 Nov
YUL20:50Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD06:50Sydney Kingsford Smith
20 Nov
SYD15:50Sydney Kingsford Smith
38h 15m
1 stop
YUL14:05Montreal Pierre Elliott Trudeau Intl
$2,278
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 16 September 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

Sun 9/11

07:30-08:45

3 stops33h 15m

Sydney Kingsford Smith

Mon 24/11

13:55-08:26

3 stops34h 31m

$2,188

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

20:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Mon 2/3

15:50-14:05

1 stop38h 15m

$2,229

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

20:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Mon 23/2

15:50-14:05

1 stop38h 15m

$2,251

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

08:25-09:00

1 stop32h 35m

Sydney Kingsford Smith

Thu 20/11

11:20-20:43

1 stop25h 23m

$2,257

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

12:10-09:00

2 stops28h 50m

Sydney Kingsford Smith

Thu 20/11

11:20-20:43

1 stop25h 23m

$2,266

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

06:45-13:35

2 stops38h 50m

Sydney Kingsford Smith

Thu 20/11

12:00-00:43

2 stops52h 43m

$2,316

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

07:30-09:35

1 stop34h 05m

Sydney Kingsford Smith

Mon 24/11

08:30-17:00

2 stops24h 30m

$2,329

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

21:30-09:35

2 stops44h 05m

Sydney Kingsford Smith

Mon 24/11

08:30-17:00

2 stops24h 30m

$2,331

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

09:45-07:00

2 stops31h 15m

Sydney Kingsford Smith

Tue 21/10

11:20-19:45

2 stops23h 25m

$2,349

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

18:30-06:55

1 stop22h 25m

Sydney Kingsford Smith

Sun 19/10

11:20-08:16

1 stop35h 56m

$2,353

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 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 $2,199. If you aren’t able to travel to Sydney during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $2,202.

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 $2,285. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $3,319.

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 $2,106. 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 $2,830 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 $2,464 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 $1,928 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 September 2025, prices for Montreal to Sydney flights are approximately 12% more expensive 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. 22h 25m 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 $642Free 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
Penrith
Katoomba
Lithgow
Leura
Manly
Bondi Beach
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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