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

Vancouver (YVR) was the most common stop: 76% 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$ 454.

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

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

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 7 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 connection time from Montreal to Sydney?

Toronto (YYZ) has the shortest average layover time for this route: 1h 44m.

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 54m.

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 7 operators available for flights from Montreal to Sydney Kingsford Smith Airport as of June 2026.

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$ 711 Cheap Flights from Montreal to Sydney in 2026

Q: What is the typical price of a round-trip flight between Montreal and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from C$ 1,996 to C$ 2,931. The lowest price recently found on this route was C$ 1,527.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:44 p.m. - 6:50 a.m.

YUL

SYD

28h 06m

2 stops

9:15 a.m. - 5:46 p.m.

SYD

YUL

46h 31m

2 stops

C$ 1,527Delta

Mon, 10 Aug - Sun, 23 Aug

7:00 a.m. - 6:50 a.m.

YUL

SYD

57h 50m

2 stops

9:15 a.m. - 11:40 p.m.

SYD

YUL

28h 25m

2 stops

C$ 1,530Delta

Mon, 27 Jul - Wed, 12 Aug

7:00 a.m. - 6:50 a.m.

YUL

SYD

57h 50m

2 stops

9:15 a.m. - 11:40 p.m.

SYD

YUL

52h 25m

2 stops

C$ 1,532Delta

Sat, 8 Aug - Sun, 16 Aug

7:00 a.m. - 6:50 a.m.

YUL

SYD

57h 50m

2 stops

9:15 a.m. - 11:40 p.m.

SYD

YUL

52h 25m

2 stops

C$ 1,534Delta

Sat, 8 Aug - Sun, 16 Aug

5:30 p.m. - 7:30 a.m.

YUL

SYD

48h 00m

2 stops

8:30 p.m. - 11:45 p.m.

SYD

YUL

41h 15m

2 stops

C$ 1,542Multiple Airlines

Tue, 8 Sep - Wed, 16 Sep

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

YUL

SYD

33h 40m

3 stops

5:50 p.m. - 11:44 a.m.

SYD

YUL

31h 54m

2 stops

C$ 1,565Multiple Airlines

Tue, 8 Sep - Wed, 16 Sep

7:00 a.m. - 6:50 a.m.

YUL

SYD

57h 50m

2 stops

9:15 a.m. - 1:41 p.m.

SYD

YUL

42h 26m

2 stops

C$ 1,596Delta

Sat, 8 Aug - Fri, 21 Aug

7:00 a.m. - 6:50 a.m.

YUL

SYD

57h 50m

2 stops

9:15 a.m. - 11:30 p.m.

SYD

YUL

28h 15m

2 stops

C$ 1,601Delta

Sat, 8 Aug - Fri, 28 Aug

12:30 p.m. - 7:30 a.m.

YUL

SYD

29h 00m

2 stops

8:30 p.m. - 11:45 p.m.

SYD

YUL

41h 15m

2 stops

C$ 1,602Qantas Airways

Mon, 17 Aug - Mon, 24 Aug

6:00 a.m. - 6:50 a.m.

YUL

SYD

34h 50m

2 stops

9:15 a.m. - 11:40 p.m.

SYD

YUL

52h 25m

2 stops

C$ 1,605Delta

Fri, 7 Aug - Sun, 16 Aug

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Delta flights from Montreal to Sydney

Our best Delta deals on Montreal to Sydney flight tickets

Delta

10 Aug

YUL12:44 p.m.Montreal Pierre Elliott Trudeau Intl

28h 06m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

23 Aug

SYD9:15 a.m.Sydney Kingsford Smith

46h 31m

2 stops

YUL5:46 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,527

Delta

27 Jul

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

57h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

12 Aug

SYD9:15 a.m.Sydney Kingsford Smith

28h 25m

2 stops

YUL11:40 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,530

Delta

8 Aug

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

57h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

16 Aug

SYD9:15 a.m.Sydney Kingsford Smith

52h 25m

2 stops

YUL11:40 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,532

Qantas Airways flights from Montreal to Sydney

Our best Qantas Airways deals on Montreal to Sydney flight tickets

Qantas Airways

17 Aug

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

29h 00m

2 stops

SYD7:30 a.m.Sydney Kingsford Smith

24 Aug

SYD8:30 p.m.Sydney Kingsford Smith

41h 15m

2 stops

YUL11:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,602

Qantas Airways

14 Nov

YUL3:52 p.m.Montreal Pierre Elliott Trudeau Intl

46h 33m

2 stops

SYD6:25 a.m.Sydney Kingsford Smith

21 Dec

SYD11:15 a.m.Sydney Kingsford Smith

43h 56m

2 stops

YUL3:11 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,616

Qantas Airways

5 Sep

YUL12:29 p.m.Montreal Pierre Elliott Trudeau Intl

53h 01m

2 stops

SYD7:30 a.m.Sydney Kingsford Smith

26 Sep

SYD8:30 p.m.Sydney Kingsford Smith

41h 15m

2 stops

YUL11:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,633

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 10/8

12:44 p.m.-6:50 a.m.

2 stops28h 06m

Sydney Kingsford Smith

Sun 23/8

9:15 a.m.-5:46 p.m.

2 stops46h 31m

C$ 1,527

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 27/7

7:00 a.m.-6:50 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Wed 12/8

9:15 a.m.-11:40 p.m.

2 stops28h 25m

C$ 1,530

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

7:00 a.m.-6:50 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Sun 16/8

9:15 a.m.-11:40 p.m.

2 stops52h 25m

C$ 1,532

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

7:00 a.m.-6:50 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Sun 16/8

9:15 a.m.-11:40 p.m.

2 stops52h 25m

C$ 1,534

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

5:30 p.m.-7:30 a.m.

2 stops48h 00m

Sydney Kingsford Smith

Wed 16/9

8:30 p.m.-11:45 p.m.

2 stops41h 15m

C$ 1,542

Quickest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

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

3 stops33h 40m

Sydney Kingsford Smith

Wed 16/9

5:50 p.m.-11:44 a.m.

2 stops31h 54m

C$ 1,565

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

7:00 a.m.-6:50 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Fri 21/8

9:15 a.m.-1:41 p.m.

2 stops42h 26m

C$ 1,596

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

7:00 a.m.-6:50 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Fri 28/8

9:15 a.m.-11:30 p.m.

2 stops28h 15m

C$ 1,601

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 17/8

12:30 p.m.-7:30 a.m.

2 stops29h 00m

Sydney Kingsford Smith

Mon 24/8

8:30 p.m.-11:45 p.m.

2 stops41h 15m

C$ 1,602

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

6:00 a.m.-6:50 a.m.

2 stops34h 50m

Sydney Kingsford Smith

Sun 16/8

9:15 a.m.-11:40 p.m.

2 stops52h 25m

C$ 1,605

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 August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 392.

How far in advance should I book a flight from Montreal 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$ 2,294 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$ 1,531 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 53% 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 June 2026, prices for Montreal to Sydney flights are approximately 32% 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	25h 26m
Direct flights	None

The fastest flight from Montreal to Sydney takes 25h 26m

There are no direct flights from Montreal to Sydney. There are no popular flight routes from Montreal to Sydney.

Search flight deals

Frequently asked questions about flying from Montreal to Sydney

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 25h 26m.
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 7 operators available for flights from Montreal to Sydney Kingsford Smith Airport as of June 2026.
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 (69% of total bookings). The next most popular airlines are United Airlines (21%), Air New Zealand (5%), and Qatar Airways (4%).

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
WestJet	PriceFrom C$ 372	Free Cancellation	Rating 7.2 3,385 reviews	Search WestJet flights
Delta	PriceFrom C$ 514	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,135	Free Cancellation	Rating 7.5 1,050 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,517	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,676	Free Cancellation	Rating 7.1 11,268 reviews	Search Air Canada flights
Air New Zealand	PriceFrom C$ 1,841	Free Cancellation	Rating 8.0 646 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom C$ 2,036	Free Cancellation	Rating 7.3 3,736 reviews	Search Qatar Airways flights

Charlestown

Bondi Beach

Parramatta

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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$ 711

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 10/8. 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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Delta flights from Montreal to Sydney

Our best Delta deals on Montreal to Sydney flight tickets

Qantas Airways flights from Montreal to Sydney

Our best Qantas Airways deals on Montreal to Sydney flight tickets

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How to get the cheapest flight ticket from Montreal to Sydney

What is the typical price of a round-trip flight between Montreal and Sydney?

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on Montreal to Sydney flights?

How have Montreal to Sydney flight prices changed over time?

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

Which airlines fly to Sydney?

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

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

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

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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.

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

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