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Cheap flights from Montreal to Sydney from $889

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 10/5. 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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Find the cheapest flights from Montreal to Sydney

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
10:20 - 19:25SYD-YUL
24h 05m1 stop
$1,743Air Canada
Find Deal
Sun, 8 Feb - Wed, 18 Mar
Air Canada Logo
15:35 - 07:20YUL-SYD
25h 45m2 stops
Air Canada Logo
09:20 - 16:42SYD-YUL
21h 22m1 stop
$1,745Air Canada
Find Deal
Sun, 19 Apr - Wed, 6 May
United Airlines Logo
16:45 - 09:15YUL-SYD
25h 30m2 stops
United Airlines Logo
11:50 - 21:42SYD-YUL
24h 52m2 stops
$1,748United Airlines
Find Deal
Sun, 8 Mar - Fri, 27 Mar
Air Canada Logo
08:50 - 09:35YUL-SYD
32h 45m3 stops
Air Canada Logo
10:20 - 19:14SYD-YUL
23h 54m2 stops
$1,753Air Canada
Find Deal
Sun, 8 Feb - Wed, 18 Mar
Air Canada Logo
19:00 - 09:35YUL-SYD
46h 35m2 stops
Air Canada Logo
11:20 - 19:25SYD-YUL
24h 05m1 stop
$1,756Air Canada
Find Deal
Sat, 31 Jan - Sun, 15 Feb
Air Canada Logo
08:05 - 09:35YUL-SYD
57h 30m2 stops
Air Canada Logo
10:20 - 06:44SYD-YUL
35h 24m1 stop
$1,762Air Canada
Find Deal
Tue, 3 Mar - Fri, 13 Mar
Delta Logo
14:40 - 06:50YUL-SYD
48h 10m2 stops
Delta Logo
10:40 - 23:12SYD-YUL
28h 32m2 stops
$1,765Delta
Find Deal
Sat, 14 Feb - Wed, 18 Feb
Air Canada Logo
13:15 - 07:20YUL-SYD
28h 05m1 stop
Air Canada Logo
09:20 - 16:42SYD-YUL
21h 22m1 stop
$1,770Air Canada
Find Deal
Thu, 7 May - Sun, 24 May
Air Canada Logo
14:25 - 09:35YUL-SYD
27h 10m2 stops
Air Canada Logo
11:20 - 21:00SYD-YUL
25h 40m1 stop
$1,773Air Canada
Find Deal
Sat, 14 Feb - Wed, 18 Feb
Air Canada Logo
09:00 - 16:40YUL-SYD
39h 40m2 stops
Air Canada Logo
11:20 - 17:00SYD-YUL
21h 40m1 stop
$1,774Air Canada
Find Deal
Wed, 4 Feb - Sun, 15 Feb

Air Canada flights from Montreal to Sydney

Our best Air Canada deals on Montreal to Sydney flight tickets
Air Canada
8 Feb
YUL09:00Montreal Pierre Elliott Trudeau Intl
32h 35m
1 stop
SYD09:35Sydney Kingsford Smith
18 Mar
SYD10:20Sydney Kingsford Smith
24h 05m
1 stop
YUL19:25Montreal Pierre Elliott Trudeau Intl
$1,743
Find similar
Air Canada
19 Apr
YUL15:35Montreal Pierre Elliott Trudeau Intl
25h 45m
2 stops
SYD07:20Sydney Kingsford Smith
6 May
SYD09:20Sydney Kingsford Smith
21h 22m
1 stop
YUL16:42Montreal Pierre Elliott Trudeau Intl
$1,745
Find similar
Air Canada
8 Feb
YUL08:50Montreal Pierre Elliott Trudeau Intl
32h 45m
3 stops
SYD09:35Sydney Kingsford Smith
18 Mar
SYD10:20Sydney Kingsford Smith
23h 54m
2 stops
YUL19:14Montreal Pierre Elliott Trudeau Intl
$1,753
Find similar

United Airlines flights from Montreal to Sydney

Our best United Airlines deals on Montreal to Sydney flight tickets
United Airlines
8 Mar
YUL16:45Montreal Pierre Elliott Trudeau Intl
25h 30m
2 stops
SYD09:15Sydney Kingsford Smith
27 Mar
SYD11:50Sydney Kingsford Smith
24h 52m
2 stops
YUL21:42Montreal Pierre Elliott Trudeau Intl
$1,748
Find similar
United Airlines
6 Mar
YUL06:00Montreal Pierre Elliott Trudeau Intl
35h 05m
2 stops
SYD09:05Sydney Kingsford Smith
28 Mar
SYD11:50Sydney Kingsford Smith
24h 52m
2 stops
YUL21:42Montreal Pierre Elliott Trudeau Intl
$1,776
Find similar
United Airlines
7 Mar
YUL14:13Montreal Pierre Elliott Trudeau Intl
26h 52m
2 stops
SYD09:05Sydney Kingsford Smith
27 Mar
SYD11:50Sydney Kingsford Smith
24h 52m
2 stops
YUL21:42Montreal Pierre Elliott Trudeau Intl
$1,822
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 24 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

Sun 8/2

09:00-09:35

1 stop32h 35m

Sydney Kingsford Smith

Wed 18/3

10:20-19:25

1 stop24h 05m

$1,743

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

15:35-07:20

2 stops25h 45m

Sydney Kingsford Smith

Wed 6/5

09:20-16:42

1 stop21h 22m

$1,745

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

16:45-09:15

2 stops25h 30m

Sydney Kingsford Smith

Fri 27/3

11:50-21:42

2 stops24h 52m

$1,748

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

08:50-09:35

3 stops32h 45m

Sydney Kingsford Smith

Wed 18/3

10:20-19:14

2 stops23h 54m

$1,753

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

19:00-09:35

2 stops46h 35m

Sydney Kingsford Smith

Sun 15/2

11:20-19:25

1 stop24h 05m

$1,756

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

08:05-09:35

2 stops57h 30m

Sydney Kingsford Smith

Fri 13/3

10:20-06:44

1 stop35h 24m

$1,762

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

14:40-06:50

2 stops48h 10m

Sydney Kingsford Smith

Wed 18/2

10:40-23:12

2 stops28h 32m

$1,765

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

13:15-07:20

1 stop28h 05m

Sydney Kingsford Smith

Sun 24/5

09:20-16:42

1 stop21h 22m

$1,770

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

14:25-09:35

2 stops27h 10m

Sydney Kingsford Smith

Wed 18/2

11:20-21:00

1 stop25h 40m

$1,773

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

09:00-16:40

2 stops39h 40m

Sydney Kingsford Smith

Sun 15/2

11:20-17:00

1 stop21h 40m

$1,774

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 $2,203. If you aren’t able to travel to Sydney during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $2,268.

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 $2,358. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $3,424.

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 $2,172. 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 $2,920 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 $2,542 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 $1,483 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 1% 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 $662Free cancellationRating
7.1
10,466 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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