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Cheap flights from Montreal to Sydney from $968

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 9/3. 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

Enter your travel dates to find the best prices.
Air Canada Logo
09:00 - 09:35YUL-SYD
32h 35m1 stop
Air Canada Logo
16:00 - 21:00SYD-YUL
21h 00m1 stop
$2,238Air Canada
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Sat, 29 Nov - Sat, 6 Dec
Multiple Airlines Logo
08:30 - 09:25YUL-SYD
34h 55m2 stops
Multiple Airlines Logo
11:50 - 00:34SYD-YUL
26h 44m2 stops
$2,270Multiple Airlines
Find Deal
Tue, 28 Apr - Tue, 12 May
Qatar Airways Logo
21:35 - 06:15YUL-SYD
42h 40m1 stop
Qatar Airways Logo
14:50 - 14:45SYD-YUL
37h 55m1 stop
$2,280Qatar Airways
Find Deal
Mon, 27 Apr - Mon, 11 May
Multiple Airlines Logo
06:45 - 09:35YUL-SYD
34h 50m2 stops
Multiple Airlines Logo
22:20 - 00:38SYD-YUL
41h 18m2 stops
$2,284Multiple Airlines
Find Deal
Tue, 24 Feb - Tue, 10 Mar
Air New Zealand Logo
08:30 - 08:45YUL-SYD
34h 15m2 stops
Air New Zealand Logo
09:55 - 00:34SYD-YUL
28h 39m2 stops
$2,312Air New Zealand
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Mon, 27 Apr - Mon, 11 May
Qatar Airways Logo
21:35 - 06:15YUL-SYD
42h 40m1 stop
Qatar Airways Logo
14:50 - 14:45SYD-YUL
37h 55m1 stop
$2,327Qatar Airways
Find Deal
Sun, 5 Apr - Mon, 13 Apr
Air New Zealand Logo
08:30 - 08:45YUL-SYD
34h 15m2 stops
Air New Zealand Logo
08:45 - 00:34SYD-YUL
29h 49m2 stops
$2,346Air New Zealand
Find Deal
Mon, 27 Apr - Tue, 12 May
United Airlines Logo
15:00 - 09:15YUL-SYD
26h 15m2 stops
United Airlines Logo
11:20 - 14:00SYD-YUL
42h 40m2 stops
$2,367United Airlines
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Sun, 1 Feb - Sun, 22 Feb
United Airlines Logo
09:15 - 09:05YUL-SYD
31h 50m2 stops
United Airlines Logo
11:20 - 19:48SYD-YUL
24h 28m2 stops
$2,373United Airlines
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Sun, 11 Jan - Wed, 21 Jan
Air Canada Logo
07:30 - 08:35YUL-SYD
34h 05m1 stop
Air Canada Logo
09:20 - 17:05SYD-YUL
21h 45m1 stop
$2,406Air Canada
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Wed, 18 Mar - Sun, 5 Apr

Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets
Qatar Airways
27 Apr
YUL21:35Montreal Pierre Elliott Trudeau Intl
42h 40m
1 stop
SYD06:15Sydney Kingsford Smith
11 May
SYD14:50Sydney Kingsford Smith
37h 55m
1 stop
YUL14:45Montreal Pierre Elliott Trudeau Intl
$2,280
Find similar
Qatar Airways
5 Apr
YUL21:35Montreal Pierre Elliott Trudeau Intl
42h 40m
1 stop
SYD06:15Sydney Kingsford Smith
13 Apr
SYD14:50Sydney Kingsford Smith
37h 55m
1 stop
YUL14:45Montreal Pierre Elliott Trudeau Intl
$2,327
Find similar
Qatar Airways
14 Apr
YUL21:35Montreal Pierre Elliott Trudeau Intl
29h 35m
1 stop
SYD17:10Sydney Kingsford Smith
23 Apr
SYD14:50Sydney Kingsford Smith
37h 55m
1 stop
YUL14:45Montreal Pierre Elliott Trudeau Intl
$2,330
Find similar

Air New Zealand flights from Montreal to Sydney

Our best Air New Zealand deals on Montreal to Sydney flight tickets
Air New Zealand
27 Apr
YUL08:30Montreal Pierre Elliott Trudeau Intl
34h 15m
2 stops
SYD08:45Sydney Kingsford Smith
11 May
SYD09:55Sydney Kingsford Smith
28h 39m
2 stops
YUL00:34Montreal Pierre Elliott Trudeau Intl
$2,312
Find similar
Air New Zealand
27 Apr
YUL08:30Montreal Pierre Elliott Trudeau Intl
34h 15m
2 stops
SYD08:45Sydney Kingsford Smith
12 May
SYD08:45Sydney Kingsford Smith
29h 49m
2 stops
YUL00:34Montreal Pierre Elliott Trudeau Intl
$2,346
Find similar
Air New Zealand
27 Apr
YUL08:30Montreal Pierre Elliott Trudeau Intl
34h 15m
2 stops
SYD08:45Sydney Kingsford Smith
13 May
SYD11:50Sydney Kingsford Smith
33h 09m
2 stops
YUL06:59Montreal Pierre Elliott Trudeau Intl
$2,356
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 5 November 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

Sat 29/11

09:00-09:35

1 stop32h 35m

Sydney Kingsford Smith

Sat 6/12

16:00-21:00

1 stop21h 00m

$2,238

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

08:30-09:25

2 stops34h 55m

Sydney Kingsford Smith

Tue 12/5

11:50-00:34

2 stops26h 44m

$2,270

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

21:35-06:15

1 stop42h 40m

Sydney Kingsford Smith

Mon 11/5

14:50-14:45

1 stop37h 55m

$2,280

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

06:45-09:35

2 stops34h 50m

Sydney Kingsford Smith

Tue 10/3

22:20-00:38

2 stops41h 18m

$2,284

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

08:30-08:45

2 stops34h 15m

Sydney Kingsford Smith

Mon 11/5

09:55-00:34

2 stops28h 39m

$2,312

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

21:35-06:15

1 stop42h 40m

Sydney Kingsford Smith

Mon 13/4

14:50-14:45

1 stop37h 55m

$2,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

08:30-08:45

2 stops34h 15m

Sydney Kingsford Smith

Tue 12/5

08:45-00:34

2 stops29h 49m

$2,346

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

15:00-09:15

2 stops26h 15m

Sydney Kingsford Smith

Sun 22/2

11:20-14:00

2 stops42h 40m

$2,367

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

09:15-09:05

2 stops31h 50m

Sydney Kingsford Smith

Wed 21/1

11:20-19:48

2 stops24h 28m

$2,373

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

07:30-08:35

1 stop34h 05m

Sydney Kingsford Smith

Sun 5/4

09:20-17:05

1 stop21h 45m

$2,406

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 September is, on average, the cheapest month to fly to Sydney from Montreal, with most prices found around $2,187. If you aren’t able to travel to Sydney during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $2,252.

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 $2,341. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $3,399.

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 $2,157. 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 $2,899 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 $2,527 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 $1,794 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 26% 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 November 2025, prices for Montreal to Sydney flights are approximately 0% 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 $658Free cancellationRating
7.1
10,403 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
Cronulla
Randwick
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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