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

Flights via Atlanta (ATL) offer the lowest average round-trip price of C$ 439.

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

Vancouver (YVR) was the most common stop: 79% of momondo users choosing one-stop flights on this route connected there.

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 38m.

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

Toronto (YYZ) has the shortest average layover time for this route: 1h 47m.

Which airlines fly to Sydney?

Air Canada, United Airlines and Delta 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 64% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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 9 operators available for flights from Montreal to Sydney Kingsford Smith Airport as of March 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$ 768 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$ 1,896 to C$ 2,325. The lowest price recently found on this route was C$ 1,564.

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Find the cheapest flights from Montreal to Sydney

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:40 p.m. - 6:50 a.m.

YUL

SYD

52h 10m

2 stops

9:15 a.m. - 11:41 p.m.

SYD

YUL

28h 26m

2 stops

C$ 1,564Delta

Sat, 16 May - Sun, 24 May

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

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:57 p.m.

SYD

YUL

28h 42m

2 stops

C$ 1,568Delta

Sun, 3 May - Mon, 18 May

12:55 p.m. - 6:50 a.m.

YUL

SYD

27h 55m

2 stops

9:15 a.m. - 11:36 a.m.

SYD

YUL

40h 21m

2 stops

C$ 1,576Delta

Mon, 13 Apr - Mon, 20 Apr

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

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:08 p.m.

SYD

YUL

27h 53m

2 stops

C$ 1,577Delta

Mon, 27 Apr - Mon, 4 May

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

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:57 p.m.

SYD

YUL

28h 42m

2 stops

C$ 1,613Delta

Sun, 10 May - Thu, 4 Jun

7:10 a.m. - 6:50 a.m.

YUL

SYD

33h 40m

2 stops

9:15 a.m. - 11:41 p.m.

SYD

YUL

28h 26m

2 stops

C$ 1,617Delta

Sun, 17 May - Fri, 29 May

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

YUL

SYD

28h 00m

2 stops

9:15 a.m. - 11:36 a.m.

SYD

YUL

40h 21m

2 stops

C$ 1,627Delta

Mon, 13 Apr - Fri, 1 May

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

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:57 p.m.

SYD

YUL

28h 42m

2 stops

C$ 1,634Delta

Sun, 3 May - Mon, 18 May

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

YUL

SYD

57h 50m

2 stops

9:15 a.m. - 11:38 a.m.

SYD

YUL

40h 23m

2 stops

C$ 1,635Delta

Sat, 18 Apr - Sun, 26 Apr

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

YUL

SYD

57h 50m

2 stops

9:15 a.m. - 11:26 p.m.

SYD

YUL

28h 11m

2 stops

C$ 1,636Delta

Sat, 18 Apr - Sun, 26 Apr

Delta flights from Montreal to Sydney

Our best Delta deals on Montreal to Sydney flight tickets

Delta

16 May

YUL12:40 p.m.Montreal Pierre Elliott Trudeau Intl

52h 10m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

24 May

SYD9:15 a.m.Sydney Kingsford Smith

28h 26m

2 stops

YUL11:41 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,564

Delta

3 May

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

33h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

18 May

SYD9:15 a.m.Sydney Kingsford Smith

28h 42m

2 stops

YUL11:57 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,568

Delta

13 Apr

YUL12:55 p.m.Montreal Pierre Elliott Trudeau Intl

27h 55m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

20 Apr

SYD9:15 a.m.Sydney Kingsford Smith

40h 21m

2 stops

YUL11:36 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,576

Air New Zealand flights from Montreal to Sydney

Our best Air New Zealand deals on Montreal to Sydney flight tickets

Air New Zealand

1 Sep

YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl

22h 20m

1 stop

SYD6:55 a.m.Sydney Kingsford Smith

30 Sep

SYD10:20 a.m.Sydney Kingsford Smith

25h 46m

2 stops

YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,838

Air New Zealand

1 Sep

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

26h 35m

2 stops

SYD6:55 a.m.Sydney Kingsford Smith

30 Sep

SYD9:30 a.m.Sydney Kingsford Smith

24h 15m

2 stops

YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,844

Air New Zealand

18 Mar

YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl

24h 25m

1 stop

SYD9:15 a.m.Sydney Kingsford Smith

25 Mar

SYD10:25 a.m.Sydney Kingsford Smith

25h 52m

2 stops

YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,040

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

12:40 p.m.-6:50 a.m.

2 stops52h 10m

Sydney Kingsford Smith

Sun 24/5

9:15 a.m.-11:41 p.m.

2 stops28h 26m

C$ 1,564

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

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

2 stops33h 50m

Sydney Kingsford Smith

Mon 18/5

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,568

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

12:55 p.m.-6:50 a.m.

2 stops27h 55m

Sydney Kingsford Smith

Mon 20/4

9:15 a.m.-11:36 a.m.

2 stops40h 21m

C$ 1,576

Quickest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

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

2 stops33h 50m

Sydney Kingsford Smith

Mon 4/5

9:15 a.m.-11:08 p.m.

2 stops27h 53m

C$ 1,577

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

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

2 stops33h 50m

Sydney Kingsford Smith

Thu 4/6

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,613

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

7:10 a.m.-6:50 a.m.

2 stops33h 40m

Sydney Kingsford Smith

Fri 29/5

9:15 a.m.-11:41 p.m.

2 stops28h 26m

C$ 1,617

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

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

2 stops28h 00m

Sydney Kingsford Smith

Fri 1/5

9:15 a.m.-11:36 a.m.

2 stops40h 21m

C$ 1,627

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

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

2 stops33h 50m

Sydney Kingsford Smith

Mon 18/5

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,634

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

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

2 stops57h 50m

Sydney Kingsford Smith

Sun 26/4

9:15 a.m.-11:38 a.m.

2 stops40h 23m

C$ 1,635

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

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

2 stops57h 50m

Sydney Kingsford Smith

Sun 26/4

9:15 a.m.-11:26 p.m.

2 stops28h 11m

C$ 1,636

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 February is also cheap. Prices for this month can be found on momondo for an average of C$ 2,050.

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$ 2,236 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$ 1,790 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 1% 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 March 2026, prices for Montreal to Sydney flights are approximately 41% 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 35m
Direct flights	None

The fastest flight from Montreal to Sydney takes 25h 35m

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 25h 35m.
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 9 operators available for flights from Montreal to Sydney Kingsford Smith Airport as of March 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 (60% of total bookings). The next most popular airlines are United Airlines (30%), Air New Zealand (4%), and Qantas 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
Porter Airlines	PriceFrom C$ 277	Free Cancellation	Rating 8.0 424 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 359	Free Cancellation	Rating 7.2 3,296 reviews	Search WestJet flights
Delta	PriceFrom C$ 447	Free Cancellation	Rating 7.9 8,287 reviews	Search Delta flights
Fiji Airways	PriceFrom C$ 980	Free Cancellation	Rating 8.1 233 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom C$ 1,096	Free Cancellation	Rating 7.5 1,005 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,500	Free Cancellation	Rating 7.4 9,437 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,621	Free Cancellation	Rating 7.1 10,813 reviews	Search Air Canada flights
Air New Zealand	PriceFrom C$ 1,716	Free Cancellation	Rating 8.0 613 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom C$ 1,965	Free Cancellation	Rating 7.4 3,736 reviews	Search Qatar Airways flights

Parramatta

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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$ 768

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 22/4. 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

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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 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

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

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