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Cheap flights from Montreal to Sydney from C$ 867

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 23/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Montreal to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
8:50 p.m. - 6:50 p.m.
YUL
-
SYD
30h 00m1 stop
Qatar Airways Logo
3:50 p.m. - 3:05 p.m.
SYD
-
YUL
38h 15m1 stop
C$ 1,668Qatar Airways
Sun, 1 Mar - Mon, 16 Mar
Qatar Airways Logo
8:50 p.m. - 6:50 p.m.
YUL
-
SYD
30h 00m1 stop
Qatar Airways Logo
3:50 p.m. - 3:05 p.m.
SYD
-
YUL
38h 15m1 stop
C$ 1,707Qatar Airways
Sun, 1 Mar - Mon, 16 Mar
Qatar Airways Logo
9:50 p.m. - 6:50 a.m.
YUL
-
SYD
42h 00m1 stop
Qatar Airways Logo
3:50 p.m. - 3:05 p.m.
SYD
-
YUL
38h 15m1 stop
C$ 1,714Qatar Airways
Sun, 8 Mar - Mon, 16 Mar
Qatar Airways Logo
8:50 p.m. - 6:50 a.m.
YUL
-
SYD
42h 00m1 stop
Qatar Airways Logo
3:50 p.m. - 3:05 p.m.
SYD
-
YUL
38h 15m1 stop
C$ 1,718Qatar Airways
Wed, 18 Feb - Mon, 16 Mar
Qatar Airways Logo
9:50 p.m. - 6:50 a.m.
YUL
-
SYD
42h 00m1 stop
Qatar Airways Logo
9:40 p.m. - 3:05 p.m.
SYD
-
YUL
32h 25m1 stop
C$ 1,721Qatar Airways
Sun, 8 Mar - Tue, 17 Mar
Qatar Airways Logo
9:50 p.m. - 6:50 a.m.
YUL
-
SYD
42h 00m1 stop
Qatar Airways Logo
2:50 p.m. - 2:45 p.m.
SYD
-
YUL
37h 55m1 stop
C$ 1,751Qatar Airways
Wed, 18 Mar - Tue, 21 Apr
Qatar Airways Logo
8:50 p.m. - 6:50 a.m.
YUL
-
SYD
42h 00m1 stop
Qatar Airways Logo
3:50 p.m. - 3:05 p.m.
SYD
-
YUL
38h 15m1 stop
C$ 1,754Qatar Airways
Wed, 18 Feb - Mon, 16 Mar
Qatar Airways Logo
8:50 p.m. - 6:50 a.m.
YUL
-
SYD
42h 00m1 stop
Qatar Airways Logo
3:50 p.m. - 3:05 p.m.
SYD
-
YUL
38h 15m1 stop
C$ 1,755Qatar Airways
Mon, 16 Feb - Mon, 16 Mar
Qatar Airways Logo
8:50 p.m. - 6:50 a.m.
YUL
-
SYD
42h 00m1 stop
Qatar Airways Logo
2:50 p.m. - 2:45 p.m.
SYD
-
YUL
37h 55m1 stop
C$ 1,757Qatar Airways
Tue, 17 Feb - Tue, 12 May
Qatar Airways Logo
8:55 p.m. - 5:10 p.m.
YUL
-
SYD
30h 15m1 stop
Qatar Airways Logo
2:50 p.m. - 2:45 p.m.
SYD
-
YUL
37h 55m1 stop
C$ 1,760Qatar Airways
Tue, 14 Apr - Thu, 7 May

Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets
Qatar Airways
1 Mar
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
30h 00m
1 stop
SYD6:50 p.m.Sydney Kingsford Smith
16 Mar
SYD3:50 p.m.Sydney Kingsford Smith
38h 15m
1 stop
YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,668
Qatar Airways
1 Mar
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
30h 00m
1 stop
SYD6:50 p.m.Sydney Kingsford Smith
16 Mar
SYD3:50 p.m.Sydney Kingsford Smith
38h 15m
1 stop
YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,707
Qatar Airways
8 Mar
YUL9:50 p.m.Montreal Pierre Elliott Trudeau Intl
42h 00m
1 stop
SYD6:50 a.m.Sydney Kingsford Smith
16 Mar
SYD3:50 p.m.Sydney Kingsford Smith
38h 15m
1 stop
YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,714

Air Canada flights from Montreal to Sydney

Our best Air Canada deals on Montreal to Sydney flight tickets
Air Canada
14 Jan
YUL8:50 a.m.Montreal Pierre Elliott Trudeau Intl
32h 45m
3 stops
SYD9:35 a.m.Sydney Kingsford Smith
18 Feb
SYD11:20 a.m.Sydney Kingsford Smith
25h 25m
2 stops
YUL8:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 3,279
Air Canada
16 Jan
YUL9:00 a.m.Montreal Pierre Elliott Trudeau Intl
32h 35m
1 stop
SYD9:35 a.m.Sydney Kingsford Smith
25 Feb
SYD11:20 a.m.Sydney Kingsford Smith
21h 40m
1 stop
YUL5:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 3,360
Air Canada
16 Jan
YUL6:25 p.m.Montreal Pierre Elliott Trudeau Intl
44h 30m
1 stop
SYD6:55 a.m.Sydney Kingsford Smith
25 Feb
SYD11:20 a.m.Sydney Kingsford Smith
21h 40m
1 stop
YUL5:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 3,363

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 8 January 2026.
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 1/3

8:50 p.m.-6:50 p.m.

1 stop30h 00m

Sydney Kingsford Smith

Mon 16/3

3:50 p.m.-3:05 p.m.

1 stop38h 15m

C$ 1,668

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

8:50 p.m.-6:50 p.m.

1 stop30h 00m

Sydney Kingsford Smith

Mon 16/3

3:50 p.m.-3:05 p.m.

1 stop38h 15m

C$ 1,707

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

9:50 p.m.-6:50 a.m.

1 stop42h 00m

Sydney Kingsford Smith

Mon 16/3

3:50 p.m.-3:05 p.m.

1 stop38h 15m

C$ 1,714

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-6:50 a.m.

1 stop42h 00m

Sydney Kingsford Smith

Mon 16/3

3:50 p.m.-3:05 p.m.

1 stop38h 15m

C$ 1,718

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

9:50 p.m.-6:50 a.m.

1 stop42h 00m

Sydney Kingsford Smith

Tue 17/3

9:40 p.m.-3:05 p.m.

1 stop32h 25m

C$ 1,721

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

9:50 p.m.-6:50 a.m.

1 stop42h 00m

Sydney Kingsford Smith

Tue 21/4

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

1 stop37h 55m

C$ 1,751

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-6:50 a.m.

1 stop42h 00m

Sydney Kingsford Smith

Mon 16/3

3:50 p.m.-3:05 p.m.

1 stop38h 15m

C$ 1,754

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

8:50 p.m.-6:50 a.m.

1 stop42h 00m

Sydney Kingsford Smith

Mon 16/3

3:50 p.m.-3:05 p.m.

1 stop38h 15m

C$ 1,755

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 17/2

8:50 p.m.-6:50 a.m.

1 stop42h 00m

Sydney Kingsford Smith

Tue 12/5

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

1 stop37h 55m

C$ 1,757

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

8:55 p.m.-5:10 p.m.

1 stop30h 15m

Sydney Kingsford Smith

Thu 7/5

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

1 stop37h 55m

C$ 1,760

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 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?

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 C$ 2,025.

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 C$ 2,258 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Montreal for as low as C$ 1,561 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 7% 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 January 2026, prices for Montreal to Sydney flights are approximately 20% 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 round-trip 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

Fastest flight time

30h 04m

Direct flights

None
The fastest flight from Montreal to Sydney takes 30h 04m
There are no direct flights from Montreal to Sydney. There are no popular flight routes from Montreal to Sydney.
Search flight deals

  • How far is Montreal to Sydney Kingsford Smith by plane?

    A flight from Montreal to Sydney Kingsford Smith will travel around 16019.1 km. By plane, this route typically takes 30h 04m.

  • 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 are updated 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek 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
Porter AirlinesPriceFrom C$ 296Free CancellationRating
8.0
406 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 330Free CancellationRating
7.2
3,235 reviews
Search WestJet flights
DeltaPriceFrom C$ 451Free CancellationRating
7.9
8,025 reviews
Search Delta flights
Qantas AirwaysPriceFrom C$ 1,106Free CancellationRating
7.5
967 reviews
Search Qantas Airways flights
United AirlinesPriceFrom C$ 1,536Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 1,684Free CancellationRating
7.1
10,603 reviews
Search Air Canada flights
Air New ZealandPriceFrom C$ 1,732Free CancellationRating
8.0
565 reviews
Search Air New Zealand flights
Qatar AirwaysPriceFrom C$ 2,078Free CancellationRating
7.4
3,701 reviews
Search Qatar Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Penrith
Bondi Beach

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Sydney . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Montreal to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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?

Price alerts on flights to Sydney from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Fly your favourite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Air Canada
United Airlines
Delta
Air New Zealand
Porter Airlines
WestJet
Qatar Airways
Qantas Airways