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

Qatar Airways and Air Canada are the most popular carriers 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 offers the lowest fares from Montreal to Sydney?

Flights via Atlanta (ATL) offer the lowest average round-trip price of C$ 435.

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 66% 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.

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 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.

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$ 763 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$ 1,879 to C$ 2,304. The lowest price recently found on this route was C$ 1,746.

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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.

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

YUL

SYD

26h 40m

2 stops

9:30 a.m. - 7:45 p.m.

SYD

YUL

24h 15m

2 stops

C$ 1,746United Airlines

Mon, 30 Mar - Wed, 15 Apr

6:35 p.m. - 6:55 a.m.

YUL

SYD

22h 20m

1 stop

9:30 a.m. - 10:40 a.m.

SYD

YUL

39h 10m

2 stops

C$ 1,748United Airlines

Tue, 1 Sep - Tue, 15 Sep

9:45 a.m. - 6:55 a.m.

YUL

SYD

31h 10m

2 stops

9:30 a.m. - 8:16 a.m.

SYD

YUL

36h 46m

2 stops

C$ 1,749United Airlines

Sun, 2 Aug - Wed, 12 Aug

9:45 a.m. - 8:00 a.m.

YUL

SYD

31h 15m

2 stops

9:30 a.m. - 9:26 p.m.

SYD

YUL

25h 56m

2 stops

C$ 1,750United Airlines

Mon, 30 Mar - Wed, 15 Apr

2:20 p.m. - 6:55 a.m.

YUL

SYD

26h 35m

2 stops

10:20 a.m. - 9:26 p.m.

SYD

YUL

25h 06m

2 stops

C$ 1,752United Airlines

Mon, 13 Apr - Mon, 27 Apr

6:35 p.m. - 7:00 a.m.

YUL

SYD

46h 25m

2 stops

9:30 a.m. - 7:45 p.m.

SYD

YUL

24h 15m

2 stops

C$ 1,753United Airlines

Sat, 18 Apr - Sun, 26 Apr

6:35 p.m. - 6:55 a.m.

YUL

SYD

22h 20m

1 stop

10:20 a.m. - 8:16 a.m.

SYD

YUL

35h 56m

1 stop

C$ 1,761United Airlines

Mon, 31 Aug - Mon, 28 Sep

9:45 a.m. - 8:00 a.m.

YUL

SYD

31h 15m

2 stops

9:30 a.m. - 12:13 a.m.

SYD

YUL

28h 43m

2 stops

C$ 1,767United Airlines

Wed, 1 Apr - Sun, 19 Apr

6:35 p.m. - 6:55 a.m.

YUL

SYD

22h 20m

1 stop

9:30 a.m. - 8:16 a.m.

SYD

YUL

36h 46m

2 stops

C$ 1,784United Airlines

Fri, 14 Aug - Wed, 2 Sep

6:35 p.m. - 6:55 a.m.

YUL

SYD

22h 20m

1 stop

9:30 a.m. - 8:16 a.m.

SYD

YUL

36h 46m

2 stops

C$ 1,786United Airlines

Fri, 31 Jul - Tue, 18 Aug

United Airlines flights from Montreal to Sydney

Our best United Airlines deals on Montreal to Sydney flight tickets

United Airlines

30 Mar

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

26h 40m

2 stops

SYD8:00 a.m.Sydney Kingsford Smith

15 Apr

SYD9:30 a.m.Sydney Kingsford Smith

24h 15m

2 stops

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

C$ 1,746

United Airlines

1 Sep

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

22h 20m

1 stop

SYD6:55 a.m.Sydney Kingsford Smith

15 Sep

SYD9:30 a.m.Sydney Kingsford Smith

39h 10m

2 stops

YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,748

United Airlines

2 Aug

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

22h 20m

1 stop

SYD6:55 a.m.Sydney Kingsford Smith

12 Aug

SYD10:20 a.m.Sydney Kingsford Smith

35h 56m

1 stop

YUL8:16 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,749

Air Canada flights from Montreal to Sydney

Our best Air Canada deals on Montreal to Sydney flight tickets

Air Canada

18 Mar

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

32h 45m

3 stops

SYD8:35 a.m.Sydney Kingsford Smith

21 Apr

SYD9:20 a.m.Sydney Kingsford Smith

25h 20m

2 stops

YUL8:40 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,274

Air Canada

18 Mar

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

32h 45m

3 stops

SYD8:35 a.m.Sydney Kingsford Smith

21 Apr

SYD9:20 a.m.Sydney Kingsford Smith

35h 11m

3 stops

YUL6:31 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,316

Air Canada

18 Mar

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

32h 45m

2 stops

SYD8:35 a.m.Sydney Kingsford Smith

21 Apr

SYD9:20 a.m.Sydney Kingsford Smith

35h 11m

3 stops

YUL6:31 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,318

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

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

2 stops26h 40m

Sydney Kingsford Smith

Wed 15/4

9:30 a.m.-7:45 p.m.

2 stops24h 15m

C$ 1,746

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

6:35 p.m.-6:55 a.m.

1 stop22h 20m

Sydney Kingsford Smith

Tue 15/9

9:30 a.m.-10:40 a.m.

2 stops39h 10m

C$ 1,748

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

9:45 a.m.-6:55 a.m.

2 stops31h 10m

Sydney Kingsford Smith

Wed 12/8

9:30 a.m.-8:16 a.m.

2 stops36h 46m

C$ 1,749

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

9:45 a.m.-8:00 a.m.

2 stops31h 15m

Sydney Kingsford Smith

Wed 15/4

9:30 a.m.-9:26 p.m.

2 stops25h 56m

C$ 1,750

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

2:20 p.m.-6:55 a.m.

2 stops26h 35m

Sydney Kingsford Smith

Mon 27/4

10:20 a.m.-9:26 p.m.

2 stops25h 06m

C$ 1,752

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

6:35 p.m.-7:00 a.m.

2 stops46h 25m

Sydney Kingsford Smith

Sun 26/4

9:30 a.m.-7:45 p.m.

2 stops24h 15m

C$ 1,753

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

6:35 p.m.-6:55 a.m.

1 stop22h 20m

Sydney Kingsford Smith

Mon 28/9

10:20 a.m.-8:16 a.m.

1 stop35h 56m

C$ 1,761

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

9:45 a.m.-8:00 a.m.

2 stops31h 15m

Sydney Kingsford Smith

Sun 19/4

9:30 a.m.-12:13 a.m.

2 stops28h 43m

C$ 1,767

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 14/8

6:35 p.m.-6:55 a.m.

1 stop22h 20m

Sydney Kingsford Smith

Wed 2/9

9:30 a.m.-8:16 a.m.

2 stops36h 46m

C$ 1,784

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 31/7

6:35 p.m.-6:55 a.m.

1 stop22h 20m

Sydney Kingsford Smith

Tue 18/8

9:30 a.m.-8:16 a.m.

2 stops36h 46m

C$ 1,786

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$ 2,031.

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$ 2,214 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$ 1,774 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	22h 20m
Direct flights	None

The fastest flight from Montreal to Sydney takes 22h 20m

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 20m.
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 (61% of total bookings). The next most popular airlines are United Airlines (29%), Qantas Airways (4%), and Air New Zealand (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$ 274	Free Cancellation	Rating 8.0 423 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 356	Free Cancellation	Rating 7.2 3,288 reviews	Search WestJet flights
Delta	PriceFrom C$ 443	Free Cancellation	Rating 7.9 8,276 reviews	Search Delta flights
Fiji Airways	PriceFrom C$ 972	Free Cancellation	Rating 8.0 229 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom C$ 1,086	Free Cancellation	Rating 7.5 1,002 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,486	Free Cancellation	Rating 7.4 9,409 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,607	Free Cancellation	Rating 7.1 10,800 reviews	Search Air Canada flights
Air New Zealand	PriceFrom C$ 1,700	Free Cancellation	Rating 8.0 608 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom C$ 1,947	Free Cancellation	Rating 7.4 3,744 reviews	Search Qatar Airways flights

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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Cheap flights from Montreal to Sydney from C$ 763

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 1/5. 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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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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