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

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 refresh daily.

How many operators does momondo search for flights from Montreal to Sydney Kingsford Smith Airport?

As of September 2026, there is 1 operator available to choose from 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?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$961 Cheap Flights from Montreal to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to Sydney

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:50 - 07:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

46h 00m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 50m2 stops Los Angeles Minneapolis St Paul

$1,301Delta

Mon, 19 Oct - Wed, 18 Nov

12:44 - 07:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 06m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 50m2 stops Los Angeles Minneapolis St Paul

$1,301Delta

Tue, 20 Oct - Wed, 18 Nov

07:00 - 07:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

57h 50m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 50m2 stops Los Angeles Minneapolis St Paul

$1,301Delta

Sat, 17 Oct - Tue, 17 Nov

18:50 - 07:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

46h 00m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:48SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,301Delta

Sun, 18 Oct - Wed, 18 Nov

07:00 - 07:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 50m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:48SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,301Delta

Mon, 19 Oct - Tue, 17 Nov

07:00 - 07:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 50m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 15:58SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

45h 18m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,301Delta

Tue, 20 Oct - Mon, 16 Nov

07:00 - 07:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

57h 50m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:48SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

53h 08m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,301Delta

Sat, 17 Oct - Mon, 16 Nov

12:44 - 07:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 06m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 50m2 stops Los Angeles Minneapolis St Paul

$1,301Delta

Tue, 20 Oct - Tue, 17 Nov

08:05 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Edmonton Vancouver Intl

11:20 - 06:42SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

35h 22m2 stops Vancouver Intl Ottawa

$1,735Air Canada

Sun, 25 Oct - Sun, 8 Nov

08:05 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Edmonton Vancouver Intl

11:20 - 17:53SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

22h 33m2 stops Vancouver Intl Winnipeg

$1,737Air Canada

Sun, 25 Oct - Sun, 8 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:31 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 34m2 stops Chicago O'Hare Intl Los Angeles

20:30 - 23:45SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

42h 15m2 stops Vancouver Intl Calgary

$1,768Qantas Airways

Wed, 30 Sep - Wed, 7 Oct

14:31 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

26h 34m2 stops Charlotte Douglas Los Angeles

10:10 - 22:52SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

27h 42m2 stops Los Angeles Charlotte Douglas

$1,770American Airlines

Sat, 26 Sep - Wed, 7 Oct

12:31 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 34m2 stops Chicago O'Hare Intl Los Angeles

18:50 - 23:45SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

43h 55m2 stops Los Angeles Calgary

$1,802Qantas Airways

Wed, 30 Sep - Tue, 6 Oct

13:06 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 59m2 stops Philadelphia Los Angeles

11:10 - 21:26SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

26h 16m2 stops Los Angeles Philadelphia

$1,847American Airlines

Thu, 1 Oct - Sun, 15 Nov

13:06 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 59m2 stops Philadelphia Los Angeles

10:10 - 22:52SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

27h 42m2 stops Los Angeles Charlotte Douglas

$1,847American Airlines

Thu, 1 Oct - Wed, 7 Oct

12:31 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 34m2 stops Chicago O'Hare Intl Los Angeles

18:50 - 16:52SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

37h 02m2 stops Los Angeles Chicago O'Hare Intl

$1,849Qantas Airways

Wed, 30 Sep - Mon, 5 Oct

12:31 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 34m2 stops Chicago O'Hare Intl Los Angeles

20:30 - 23:45SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

42h 15m2 stops Vancouver Intl Calgary

$1,895Qantas Airways

Wed, 30 Sep - Thu, 8 Oct

12:31 - 07:05YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 34m2 stops Chicago O'Hare Intl Los Angeles

18:50 - 16:52SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

37h 02m2 stops Los Angeles Chicago O'Hare Intl

$1,901Qantas Airways

Wed, 30 Sep - Sat, 10 Oct

16:10 - 07:20YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

25h 10m2 stops Toronto Pearson Intl Vancouver Intl

10:20 - 16:59SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

21h 39m1 stop Vancouver Intl

$3,067Air Canada

Tue, 29 Sep - Thu, 8 Oct

16:10 - 07:20YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

25h 10m2 stops Toronto Pearson Intl Vancouver Intl

10:20 - 15:59SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

20h 39m1 stop Vancouver Intl

$3,067Air Canada

Tue, 29 Sep - Fri, 9 Oct

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Air Canada flights from Montreal to Sydney

Our best Air Canada deals on Montreal to Sydney flight tickets

Air Canada

25 Oct

YUL08:05Montreal Pierre Elliott Trudeau Intl

33h 30m

2 stops

SYD08:35Sydney Kingsford Smith

8 Nov

SYD11:20Sydney Kingsford Smith

35h 22m

2 stops

YUL06:42Montreal Pierre Elliott Trudeau Intl

$1,735

Air Canada

25 Oct

YUL08:05Montreal Pierre Elliott Trudeau Intl

33h 30m

2 stops

SYD08:35Sydney Kingsford Smith

8 Nov

SYD11:20Sydney Kingsford Smith

23h 23m

2 stops

YUL18:43Montreal Pierre Elliott Trudeau Intl

$1,750

Air Canada

17 Feb

YUL10:40Montreal Pierre Elliott Trudeau Intl

30h 55m

2 stops

SYD09:35Sydney Kingsford Smith

24 Feb

SYD11:20Sydney Kingsford Smith

25h 13m

1 stop

YUL20:33Montreal Pierre Elliott Trudeau Intl

$1,788

Qantas Airways flights from Montreal to Sydney

Our best Qantas Airways deals on Montreal to Sydney flight tickets

Qantas Airways

30 Sept

YUL12:31Montreal Pierre Elliott Trudeau Intl

28h 34m

2 stops

SYD07:05Sydney Kingsford Smith

7 Oct

SYD20:30Sydney Kingsford Smith

42h 15m

2 stops

YUL23:45Montreal Pierre Elliott Trudeau Intl

$1,768

Qantas Airways

30 Sept

YUL12:31Montreal Pierre Elliott Trudeau Intl

28h 34m

2 stops

SYD07:05Sydney Kingsford Smith

6 Oct

SYD18:50Sydney Kingsford Smith

43h 55m

2 stops

YUL23:45Montreal Pierre Elliott Trudeau Intl

$1,802

Qantas Airways

30 Sept

YUL12:31Montreal Pierre Elliott Trudeau Intl

28h 34m

2 stops

SYD07:05Sydney Kingsford Smith

5 Oct

SYD18:50Sydney Kingsford Smith

37h 02m

2 stops

YUL16:52Montreal Pierre Elliott Trudeau Intl

$1,849

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

18:50-07:50

2 stops46h 00m

Sydney Kingsford Smith

Wed 18/11

10:40-23:30

2 stops28h 50m

$1,301

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

12:44-07:50

2 stops28h 06m

Sydney Kingsford Smith

Wed 18/11

10:40-23:30

2 stops28h 50m

$1,301

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

07:00-07:50

2 stops57h 50m

Sydney Kingsford Smith

Tue 17/11

10:40-23:30

2 stops28h 50m

$1,301

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 18/10

18:50-07:50

2 stops46h 00m

Sydney Kingsford Smith

Wed 18/11

10:40-23:48

2 stops29h 08m

$1,301

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

07:00-07:50

2 stops33h 50m

Sydney Kingsford Smith

Tue 17/11

10:40-23:48

2 stops29h 08m

$1,301

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

07:00-07:50

2 stops33h 50m

Sydney Kingsford Smith

Mon 16/11

10:40-15:58

2 stops45h 18m

$1,301

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

07:00-07:50

2 stops57h 50m

Sydney Kingsford Smith

Mon 16/11

10:40-23:48

2 stops53h 08m

$1,301

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

12:44-07:50

2 stops28h 06m

Sydney Kingsford Smith

Tue 17/11

10:40-23:30

2 stops28h 50m

$1,301

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 25/10

08:05-08:35

2 stops33h 30m

Sydney Kingsford Smith

Sun 8/11

11:20-06:42

2 stops35h 22m

$1,735

Fastest return journey

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 25/10

08:05-08:35

2 stops33h 30m

Sydney Kingsford Smith

Sun 8/11

11:20-17:53

2 stops22h 33m

$1,737

Flights are sorted by cheapest return 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

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 $2,212 to $2,530.
The lowest price recently found on this route was $1,301.

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from Montreal, with most prices found around $1,758. If you aren’t able to travel to Sydney during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $2,006.

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 $2,289 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Montreal for as low as $1,604 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 26% 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 2026, prices for Montreal to Sydney flights are approximately 38% 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 return 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

Best price found	$961
Fastest flight time	22h 30m
Direct flights	None

The best one-way flight to Sydney from Montreal in the past 72 hours is $961. The best return flight deal from Montreal to Sydney found on momondo in the last 72 hours is $1,301.

The fastest flight from Montreal to Sydney takes 22h 30m

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. 22h 30m is a normal flight duration for this route.
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 refresh daily.
How many operators does momondo search for flights from Montreal to Sydney Kingsford Smith Airport?
As of September 2026, there is 1 operator available to choose from 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?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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
Air Canada	PriceFrom $503	Free cancellation	Rating 7.1 11,686 reviews		Search Air Canada flights

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Coogee

Lithgow

Manly

Cronulla

Randwick

Leura

Bondi Beach

Charlestown

Swansea

Newport

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Sydney for you.

Can I find flights from Montreal to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Montreal with this policy.

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?

If you are not ready to book a flight from Montreal to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.