Which airport is the most popular layover for flights between Montreal and Sydney?

Vancouver (YVR) was the most common stop: 85% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest connection time from Montreal to Sydney?

Toronto (YYZ) has the shortest average layover time for this route: 1h 48m.

Which airlines fly to Sydney?

Air Canada, United Airlines and Air New Zealand are the top three most popular airlines that fly to Sydney from Montreal according to our data. Air Canada is the first choice among our users, with 65% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 8 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Montreal to Sydney?

Flights via Toronto (YYZ) offer the lowest average round-trip price of C$ 383.

Which layover airport has the shortest travel time from Montreal to Sydney?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 8h 36m.

What is the cheapest airline that flies from Montreal to Sydney Kingsford Smith?

Air Canada, Air New Zealand, and Qatar Airways are the most popular carriers operating from Montreal to Sydney Kingsford Smith

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?

There are 8 operators available for flights from Montreal to Sydney Kingsford Smith Airport as of October 2025.

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.

C$ 609 Cheap Flights from Montreal to Sydney in 2025/26

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Find the cheapest flights from Montreal to Sydney

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9:35 p.m. - 7:15 a.m.YUL-SYD

42h 40m1 stop

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

37h 55m1 stop

C$ 2,113Qatar Airways

Find Deal

Fri, 3 Apr - Tue, 28 Apr

6:45 a.m. - 7:25 a.m.YUL-SYD

32h 40m2 stops

2:00 p.m. - 9:22 a.m.SYD-YUL

35h 22m3 stops

C$ 2,117Multiple Airlines

Find Deal

Wed, 11 Feb - Mon, 16 Feb

6:45 a.m. - 9:40 a.m.YUL-SYD

35h 55m2 stops

2:05 p.m. - 12:40 a.m.SYD-YUL

48h 35m2 stops

C$ 2,118Multiple Airlines

Find Deal

Tue, 31 Mar - Thu, 30 Apr

12:59 p.m. - 9:00 a.m.YUL-SYD

28h 01m2 stops

11:20 a.m. - 10:39 p.m.SYD-YUL

27h 19m2 stops

C$ 2,145American Airlines

Find Deal

Sun, 7 Dec - Mon, 22 Dec

1:25 p.m. - 8:45 a.m.YUL-SYD

28h 20m2 stops

11:45 a.m. - 4:43 p.m.SYD-YUL

43h 58m2 stops

C$ 2,155Air New Zealand

Find Deal

Tue, 10 Mar - Tue, 24 Mar

12:59 p.m. - 9:00 a.m.YUL-SYD

28h 01m2 stops

11:20 a.m. - 10:39 p.m.SYD-YUL

27h 19m2 stops

C$ 2,159American Airlines

Find Deal

Sun, 7 Dec - Tue, 23 Dec

6:00 a.m. - 6:20 a.m.YUL-SYD

32h 20m2 stops

2:00 p.m. - 2:00 p.m.SYD-YUL

40h 00m2 stops

C$ 2,163United Airlines

Find Deal

Sun, 18 Jan - Sun, 22 Feb

2:20 p.m. - 8:00 a.m.YUL-SYD

26h 40m2 stops

9:30 a.m. - 8:18 p.m.SYD-YUL

24h 48m2 stops

C$ 2,166United Airlines

Find Deal

Sun, 29 Mar - Tue, 28 Apr

7:00 a.m. - 9:35 a.m.YUL-SYD

34h 35m3 stops

11:20 a.m. - 9:42 p.m.SYD-YUL

26h 22m2 stops

C$ 2,226Air Canada

Find Deal

Thu, 27 Nov - Thu, 4 Dec

8:00 a.m. - 9:35 a.m.YUL-SYD

33h 35m3 stops

11:20 a.m. - 9:17 p.m.SYD-YUL

25h 57m2 stops

C$ 2,234Air Canada

Find Deal

Fri, 28 Nov - Fri, 5 Dec

United Airlines flights from Montreal to Sydney

Our best United Airlines deals on Montreal to Sydney flight tickets

United Airlines

18 Jan

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

32h 20m

2 stops

SYD6:20 a.m.Sydney Kingsford Smith

22 Feb

SYD2:00 p.m.Sydney Kingsford Smith

40h 00m

2 stops

YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,163

Find similar

United Airlines

29 Mar

YUL2:20 p.m.Montreal Pierre Elliott Trudeau Intl

26h 40m

2 stops

SYD8:00 a.m.Sydney Kingsford Smith

28 Apr

SYD9:30 a.m.Sydney Kingsford Smith

24h 48m

2 stops

YUL8:18 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,166

Find similar

United Airlines

21 Jan

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

29h 05m

2 stops

SYD6:20 a.m.Sydney Kingsford Smith

18 Feb

SYD11:50 a.m.Sydney Kingsford Smith

25h 52m

2 stops

YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,167

Find similar

Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets

Qatar Airways

3 Apr

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

42h 40m

1 stop

SYD7:15 a.m.Sydney Kingsford Smith

28 Apr

SYD2:50 p.m.Sydney Kingsford Smith

37h 55m

1 stop

YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,113

Find similar

Qatar Airways

6 Mar

YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl

42h 00m

1 stop

SYD6:50 a.m.Sydney Kingsford Smith

28 Mar

SYD3:50 p.m.Sydney Kingsford Smith

37h 55m

1 stop

YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,128

Find similar

Qatar Airways

6 Mar

YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl

42h 00m

1 stop

SYD6:50 a.m.Sydney Kingsford Smith

28 Mar

SYD3:50 p.m.Sydney Kingsford Smith

37h 55m

1 stop

YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,129

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

9:35 p.m.-7:15 a.m.

1 stop42h 40m

Sydney Kingsford Smith

Tue 28/4

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

1 stop37h 55m

C$ 2,113

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

6:45 a.m.-7:25 a.m.

2 stops32h 40m

Sydney Kingsford Smith

Mon 16/2

2:00 p.m.-9:22 a.m.

3 stops35h 22m

C$ 2,117

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

6:45 a.m.-9:40 a.m.

2 stops35h 55m

Sydney Kingsford Smith

Thu 30/4

2:05 p.m.-12:40 a.m.

2 stops48h 35m

C$ 2,118

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

12:59 p.m.-9:00 a.m.

2 stops28h 01m

Sydney Kingsford Smith

Mon 22/12

11:20 a.m.-10:39 p.m.

2 stops27h 19m

C$ 2,145

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

1:25 p.m.-8:45 a.m.

2 stops28h 20m

Sydney Kingsford Smith

Tue 24/3

11:45 a.m.-4:43 p.m.

2 stops43h 58m

C$ 2,155

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

12:59 p.m.-9:00 a.m.

2 stops28h 01m

Sydney Kingsford Smith

Tue 23/12

11:20 a.m.-10:39 p.m.

2 stops27h 19m

C$ 2,159

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

6:00 a.m.-6:20 a.m.

2 stops32h 20m

Sydney Kingsford Smith

Sun 22/2

2:00 p.m.-2:00 p.m.

2 stops40h 00m

C$ 2,163

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

2:20 p.m.-8:00 a.m.

2 stops26h 40m

Sydney Kingsford Smith

Tue 28/4

9:30 a.m.-8:18 p.m.

2 stops24h 48m

C$ 2,166

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

7:00 a.m.-9:35 a.m.

3 stops34h 35m

Sydney Kingsford Smith

Thu 4/12

11:20 a.m.-9:42 p.m.

2 stops26h 22m

C$ 2,226

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

8:00 a.m.-9:35 a.m.

3 stops33h 35m

Sydney Kingsford Smith

Fri 5/12

11:20 a.m.-9:17 p.m.

2 stops25h 57m

C$ 2,234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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$ 2,047.

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

The cheapest day to depart from Montreal to Sydney is on a Sunday when prices can be found for as low as C$ 2,208. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,350.

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

The cheapest time of day to fly to Sydney is in the evening when flights can be purchased for as low as C$ 2,026. In contrast, the most expensive time of day to depart to Sydney is in the afternoon when prices are around C$ 2,314.

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$ 2,293 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$ 1,631 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 3% 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 October 2025, prices for Montreal to Sydney flights are approximately 21% 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

Direct flights	None

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 22h 55m.
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?
There are 8 operators available for flights from Montreal to Sydney Kingsford Smith Airport as of October 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to Sydney is Air Canada (56% of total bookings). The next most popular airlines are United Airlines (38%), Air New Zealand (3%), and Qantas Airways (2%).

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 Airlines	PriceFrom C$ 299	Free Cancellation	Rating 8.0 384 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 333	Free Cancellation	Rating 7.2 3,149 reviews	Search WestJet flights
Delta	PriceFrom C$ 456	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,118	Free Cancellation	Rating 7.5 925 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,695	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Air New Zealand	PriceFrom C$ 1,751	Free Cancellation	Rating 8.0 520 reviews	Search Air New Zealand flights
Air Canada	PriceFrom C$ 1,770	Free Cancellation	Rating 7.1 10,375 reviews	Search Air Canada flights
Qatar Airways	PriceFrom C$ 2,053	Free Cancellation	Rating 7.4 3,659 reviews	Search Qatar Airways flights

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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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Cheap flights from Montreal to Sydney from C$ 817

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 3/12. 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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Filter for what you want

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United Airlines flights from Montreal to Sydney

Our best United Airlines deals on Montreal to Sydney flight tickets

Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets

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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$ 2,047.

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

The cheapest day to depart from Montreal to Sydney is on a Sunday when prices can be found for as low as C$ 2,208. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,350.

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

The cheapest time of day to fly to Sydney is in the evening when flights can be purchased for as low as C$ 2,026. In contrast, the most expensive time of day to depart to Sydney is in the afternoon when prices are around C$ 2,314.

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

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 3% 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 October 2025, prices for Montreal to Sydney flights are approximately 21% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Montreal to Sydney Kingsford Smith?

Air Canada, Air New Zealand, and Qatar Airways are the most popular carriers operating from Montreal to Sydney Kingsford Smith

Which airlines fly to Sydney?

Which airport is the most popular layover for flights between Montreal and Sydney?

Vancouver (YVR) was the most common stop: 85% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Montreal to Sydney?

Flights via Toronto (YYZ) offer the lowest average round-trip price of C$ 383.

Which layover airport has the shortest travel time from Montreal to Sydney?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 8h 36m.

Which layover airport has the shortest connection time from Montreal to Sydney?

Toronto (YYZ) has the shortest average layover time for this route: 1h 48m.

When to book flights from Montreal to Sydney

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

How far is Montreal to Sydney Kingsford Smith by plane?

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

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?

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

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

Travelling to a place near Sydney?

Why use momondo?

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

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

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

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

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Fly your favourite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo