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

Flights via Atlanta (ATL) offer the lowest average round-trip price of C$ 438.

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 59% 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.

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: 78% 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: 2h 02m.

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: 9h 11m.

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 April 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$ 833 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$ 2,472 to C$ 2,104. The lowest price recently found on this route was C$ 1,536.

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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.

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

YUL

SYD

57h 40m

2 stops

9:15 a.m. - 11:28 p.m.

SYD

YUL

28h 13m

2 stops

C$ 1,536Delta

Sat, 9 May - Sun, 14 Jun

7:15 a.m. - 11:50 a.m.

YUL

SYD

38h 35m

3 stops

1:15 p.m. - 7:05 a.m.

SYD

YUL

31h 50m

3 stops

C$ 1,541Multiple Airlines

Sat, 29 Aug - Fri, 18 Sep

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

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:13 p.m.

SYD

YUL

27h 58m

2 stops

C$ 1,543Delta

Tue, 5 May - Tue, 12 May

12:42 p.m. - 6:50 a.m.

YUL

SYD

28h 08m

2 stops

9:15 a.m. - 11:42 p.m.

SYD

YUL

28h 27m

2 stops

C$ 1,545Delta

Tue, 5 May - Mon, 8 Jun

6:47 p.m. - 6:50 a.m.

YUL

SYD

46h 03m

2 stops

9:15 a.m. - 11:25 p.m.

SYD

YUL

52h 10m

2 stops

C$ 1,549Delta

Mon, 20 Jul - Mon, 3 Aug

6:47 p.m. - 6:50 a.m.

YUL

SYD

46h 03m

2 stops

9:15 a.m. - 11:55 p.m.

SYD

YUL

28h 40m

2 stops

C$ 1,550Delta

Mon, 20 Jul - Tue, 4 Aug

7:15 a.m. - 11:50 a.m.

YUL

SYD

38h 35m

3 stops

1:15 p.m. - 7:05 a.m.

SYD

YUL

31h 50m

3 stops

C$ 1,573Multiple Airlines

Wed, 5 Aug - Wed, 19 Aug

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

YUL

SYD

52h 10m

2 stops

9:15 a.m. - 11:28 p.m.

SYD

YUL

28h 13m

2 stops

C$ 1,576Delta

Sat, 9 May - Thu, 11 Jun

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

YUL

SYD

51h 55m

2 stops

9:15 a.m. - 11:13 p.m.

SYD

YUL

27h 58m

2 stops

C$ 1,584Delta

Sat, 2 May - Sat, 16 May

12:47 p.m. - 6:50 a.m.

YUL

SYD

28h 03m

2 stops

9:15 a.m. - 11:10 p.m.

SYD

YUL

51h 55m

2 stops

C$ 1,590Delta

Thu, 23 Jul - Mon, 10 Aug

Delta flights from Montreal to Sydney

Our best Delta deals on Montreal to Sydney flight tickets

Delta

9 May

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

57h 40m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

14 Jun

SYD9:15 a.m.Sydney Kingsford Smith

28h 13m

2 stops

YUL11:28 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,536

Delta

5 May

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

33h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

12 May

SYD9:15 a.m.Sydney Kingsford Smith

27h 58m

2 stops

YUL11:13 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,543

Delta

5 May

YUL12:42 p.m.Montreal Pierre Elliott Trudeau Intl

28h 08m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

8 Jun

SYD9:15 a.m.Sydney Kingsford Smith

28h 27m

2 stops

YUL11:42 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,545

Air Canada flights from Montreal to Sydney

Our best Air Canada deals on Montreal to Sydney flight tickets

Air Canada

7 Sep

YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl

31h 35m

2 stops

SYD7:20 a.m.Sydney Kingsford Smith

30 Sep

SYD9:20 a.m.Sydney Kingsford Smith

28h 13m

2 stops

YUL11:33 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,799

Air Canada

1 Jun

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

23h 20m

1 stop

SYD7:20 a.m.Sydney Kingsford Smith

7 Jun

SYD9:20 a.m.Sydney Kingsford Smith

24h 30m

2 stops

YUL7:50 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,854

Air Canada

7 Sep

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

30h 40m

2 stops

SYD7:20 a.m.Sydney Kingsford Smith

30 Sep

SYD9:20 a.m.Sydney Kingsford Smith

29h 19m

1 stop

YUL12:39 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,873

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

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

2 stops57h 40m

Sydney Kingsford Smith

Sun 14/6

9:15 a.m.-11:28 p.m.

2 stops28h 13m

C$ 1,536

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

7:15 a.m.-11:50 a.m.

3 stops38h 35m

Sydney Kingsford Smith

Fri 18/9

1:15 p.m.-7:05 a.m.

3 stops31h 50m

C$ 1,541

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

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

2 stops33h 50m

Sydney Kingsford Smith

Tue 12/5

9:15 a.m.-11:13 p.m.

2 stops27h 58m

C$ 1,543

Quickest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

12:42 p.m.-6:50 a.m.

2 stops28h 08m

Sydney Kingsford Smith

Mon 8/6

9:15 a.m.-11:42 p.m.

2 stops28h 27m

C$ 1,545

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

6:47 p.m.-6:50 a.m.

2 stops46h 03m

Sydney Kingsford Smith

Mon 3/8

9:15 a.m.-11:25 p.m.

2 stops52h 10m

C$ 1,549

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

6:47 p.m.-6:50 a.m.

2 stops46h 03m

Sydney Kingsford Smith

Tue 4/8

9:15 a.m.-11:55 p.m.

2 stops28h 40m

C$ 1,550

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

7:15 a.m.-11:50 a.m.

3 stops38h 35m

Sydney Kingsford Smith

Wed 19/8

1:15 p.m.-7:05 a.m.

3 stops31h 50m

C$ 1,573

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

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

2 stops52h 10m

Sydney Kingsford Smith

Thu 11/6

9:15 a.m.-11:28 p.m.

2 stops28h 13m

C$ 1,576

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

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

2 stops51h 55m

Sydney Kingsford Smith

Sat 16/5

9:15 a.m.-11:13 p.m.

2 stops27h 58m

C$ 1,584

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

12:47 p.m.-6:50 a.m.

2 stops28h 03m

Sydney Kingsford Smith

Mon 10/8

9:15 a.m.-11:10 p.m.

2 stops51h 55m

C$ 1,590

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$ 2,052.

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$ 1,817 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 19% 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 April 2026, prices for Montreal to Sydney flights are approximately 7% 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

Fastest flight time	28h 08m
Direct flights	None

The fastest flight from Montreal to Sydney takes 28h 08m

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 28h 08m.
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 April 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 (58% of total bookings). The next most popular airlines are United Airlines (31%), 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$ 276	Free Cancellation	Rating 8.0 435 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 359	Free Cancellation	Rating 7.2 3,321 reviews	Search WestJet flights
Delta	PriceFrom C$ 496	Free Cancellation	Rating 7.9 8,423 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,095	Free Cancellation	Rating 7.5 1,019 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,498	Free Cancellation	Rating 7.4 9,603 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,607	Free Cancellation	Rating 7.1 10,935 reviews	Search Air Canada flights
Air New Zealand	PriceFrom C$ 1,775	Free Cancellation	Rating 8.0 630 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom C$ 1,963	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights

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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$ 833

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 29/7. 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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Our best Air Canada 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

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

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