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

Qatar Airways is the most popular carrier operating from Montreal to Sydney Kingsford Smith

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 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 69% 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 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 offers the lowest fares from Montreal to Sydney?

Flights via Toronto (YYZ) offer the lowest average round-trip price of C$ 378.

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 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 September 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$ 600 Cheap Flights from Montreal to Sydney in 2025/26

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Find the cheapest flights from Montreal to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

7:30 a.m. - 8:45 a.m.YUL-SYD

33h 15m3 stops

1:55 p.m. - 8:26 a.m.SYD-YUL

34h 31m3 stops

C$ 2,006Multiple Airlines

Find Deal

Sun, 9 Nov - Mon, 24 Nov

3:00 p.m. - 9:15 a.m.YUL-SYD

26h 15m2 stops

12:10 p.m. - 9:17 p.m.SYD-YUL

25h 07m2 stops

C$ 2,015United Airlines

Find Deal

Sun, 9 Nov - Mon, 24 Nov

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

42h 00m1 stop

9:40 p.m. - 2:05 p.m.SYD-YUL

32h 25m1 stop

C$ 2,084Qatar Airways

Find Deal

Wed, 19 Nov - Mon, 8 Dec

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

29h 00m2 stops

2:15 p.m. - 6:53 a.m.SYD-YUL

31h 38m2 stops

C$ 2,110Multiple Airlines

Find Deal

Mon, 29 Sep - Sun, 19 Oct

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

42h 00m1 stop

3:50 p.m. - 2:05 p.m.SYD-YUL

38h 15m1 stop

C$ 2,117Qatar Airways

Find Deal

Fri, 14 Nov - Thu, 27 Nov

3:30 p.m. - 11:45 a.m.YUL-SYD

30h 15m3 stops

2:15 p.m. - 6:53 a.m.SYD-YUL

31h 38m2 stops

C$ 2,118Multiple Airlines

Find Deal

Mon, 29 Sep - Sun, 19 Oct

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

42h 00m1 stop

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

38h 15m1 stop

C$ 2,127Qatar Airways

Find Deal

Fri, 27 Feb - Tue, 10 Mar

5:35 p.m. - 8:45 a.m.YUL-SYD

47h 10m2 stops

9:55 a.m. - 6:44 a.m.SYD-YUL

36h 49m2 stops

C$ 2,187Air New Zealand

Find Deal

Sun, 16 Nov - Fri, 12 Dec

1:20 p.m. - 9:35 a.m.YUL-SYD

28h 15m2 stops

10:20 a.m. - 9:00 p.m.SYD-YUL

25h 40m1 stop

C$ 2,190Air Canada

Find Deal

Tue, 24 Feb - Tue, 17 Mar

11:30 a.m. - 9:35 a.m.YUL-SYD

30h 05m3 stops

10:20 a.m. - 7:14 p.m.SYD-YUL

23h 54m2 stops

C$ 2,197Air Canada

Find Deal

Tue, 24 Feb - Tue, 17 Mar

Air Canada flights from Montreal to Sydney

Our best Air Canada deals on Montreal to Sydney flight tickets

Air Canada

24 Feb

YUL1:20 p.m.Montreal Pierre Elliott Trudeau Intl

28h 15m

2 stops

SYD9:35 a.m.Sydney Kingsford Smith

17 Mar

SYD10:20 a.m.Sydney Kingsford Smith

25h 40m

1 stop

YUL9:00 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,190

Find similar

Air Canada

24 Feb

YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl

30h 05m

3 stops

SYD9:35 a.m.Sydney Kingsford Smith

17 Mar

SYD10:20 a.m.Sydney Kingsford Smith

23h 54m

2 stops

YUL7:14 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,197

Find similar

Air Canada

24 Feb

YUL1:20 p.m.Montreal Pierre Elliott Trudeau Intl

28h 15m

3 stops

SYD9:35 a.m.Sydney Kingsford Smith

17 Mar

SYD10:20 a.m.Sydney Kingsford Smith

23h 54m

2 stops

YUL7:14 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,200

Find similar

Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets

Qatar Airways

19 Nov

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

42h 00m

1 stop

SYD6:50 a.m.Sydney Kingsford Smith

8 Dec

SYD9:40 p.m.Sydney Kingsford Smith

32h 25m

1 stop

YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,084

Find similar

Qatar Airways

14 Nov

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

42h 00m

1 stop

SYD6:50 a.m.Sydney Kingsford Smith

27 Nov

SYD3:50 p.m.Sydney Kingsford Smith

38h 15m

1 stop

YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,117

Find similar

Qatar Airways

27 Feb

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

42h 00m

1 stop

SYD6:50 a.m.Sydney Kingsford Smith

10 Mar

SYD3:50 p.m.Sydney Kingsford Smith

38h 15m

1 stop

YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,127

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

7:30 a.m.-8:45 a.m.

3 stops33h 15m

Sydney Kingsford Smith

Mon 24/11

1:55 p.m.-8:26 a.m.

3 stops34h 31m

C$ 2,006

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

3:00 p.m.-9:15 a.m.

2 stops26h 15m

Sydney Kingsford Smith

Mon 24/11

12:10 p.m.-9:17 p.m.

2 stops25h 07m

C$ 2,015

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

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

1 stop42h 00m

Sydney Kingsford Smith

Mon 8/12

9:40 p.m.-2:05 p.m.

1 stop32h 25m

C$ 2,084

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

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

2 stops29h 00m

Sydney Kingsford Smith

Sun 19/10

2:15 p.m.-6:53 a.m.

2 stops31h 38m

C$ 2,110

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 14/11

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

1 stop42h 00m

Sydney Kingsford Smith

Thu 27/11

3:50 p.m.-2:05 p.m.

1 stop38h 15m

C$ 2,117

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

3:30 p.m.-11:45 a.m.

3 stops30h 15m

Sydney Kingsford Smith

Sun 19/10

2:15 p.m.-6:53 a.m.

2 stops31h 38m

C$ 2,118

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 27/2

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

1 stop42h 00m

Sydney Kingsford Smith

Tue 10/3

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

1 stop38h 15m

C$ 2,127

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

5:35 p.m.-8:45 a.m.

2 stops47h 10m

Sydney Kingsford Smith

Fri 12/12

9:55 a.m.-6:44 a.m.

2 stops36h 49m

C$ 2,187

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

1:20 p.m.-9:35 a.m.

2 stops28h 15m

Sydney Kingsford Smith

Tue 17/3

10:20 a.m.-9:00 p.m.

1 stop25h 40m

C$ 2,190

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

11:30 a.m.-9:35 a.m.

3 stops30h 05m

Sydney Kingsford Smith

Tue 17/3

10:20 a.m.-7:14 p.m.

2 stops23h 54m

C$ 2,197

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 cheapest month to fly to Sydney?

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 C$ 2,018.

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$ 2,174. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,314.

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$ 1,995. In contrast, the most expensive time of day to depart to Sydney is in the afternoon when prices are around C$ 2,278.

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$ 2,259 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$ 1,768 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 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 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 25m.
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 September 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 (60% of total bookings). The next most popular airlines are United Airlines (33%), Qantas Airways (3%), and Air New Zealand (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$ 295	Free Cancellation	Rating 7.9 365 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 328	Free Cancellation	Rating 7.2 3,095 reviews	Search WestJet flights
Delta	PriceFrom C$ 449	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,101	Free Cancellation	Rating 7.5 907 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom C$ 1,724	Free Cancellation	Rating 8.0 505 reviews	Search Air New Zealand flights
Air Canada	PriceFrom C$ 1,740	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 1,849	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Qatar Airways	PriceFrom C$ 2,021	Free Cancellation	Rating 7.4 3,622 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$ 831

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 21/10. 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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Big names, great deals

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Filter for what you want

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Air Canada flights from Montreal to Sydney

Our best Air Canada 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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Use the filters below to find and compare flights from Montreal to Sydney that are best for you.

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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 cheapest month to fly to Sydney?

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 C$ 2,018.

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$ 2,174. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,314.

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$ 1,995. In contrast, the most expensive time of day to depart to Sydney is in the afternoon when prices are around C$ 2,278.

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 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 September 2025, prices for Montreal to Sydney flights are approximately 12% more expensive when compared to flights at the same time last year.

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

Qatar Airways is the most popular carrier 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$ 378.

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