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 October 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.

$730 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

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:51SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 11m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,307Delta

Tue, 10 Nov - Wed, 10 Feb

07:10 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 20m2 stops Minneapolis St Paul Los Angeles

10:40 - 11:52SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

41h 12m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,307Delta

Wed, 11 Nov - Wed, 18 Nov

07:10 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 20m2 stops Minneapolis St Paul Los Angeles

10:40 - 23:51SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 11m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,308Delta

Tue, 10 Nov - Wed, 10 Feb

07:10 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 20m2 stops Minneapolis St Paul Los Angeles

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

52h 50m2 stops Los Angeles Minneapolis St Paul

$1,310Delta

Sun, 15 Nov - Mon, 23 Nov

07:10 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 20m2 stops Minneapolis St Paul Los Angeles

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

52h 50m2 stops Los Angeles Minneapolis St Paul

$1,310Delta

Sun, 15 Nov - Tue, 24 Nov

07:10 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 20m2 stops Minneapolis St Paul Los Angeles

10:40 - 23:51SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

29h 11m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,310Delta

Tue, 10 Nov - Wed, 10 Feb

07:00 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 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

$1,310Delta

Wed, 11 Nov - Wed, 18 Nov

07:00 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

57h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

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

52h 50m2 stops Los Angeles Minneapolis St Paul

$1,310Delta

Sat, 14 Nov - Mon, 23 Nov

08:45 - 06:55YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 10m1 stop Vancouver Intl

09:20 - 18:21SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

23h 01m2 stops Vancouver Intl Saskatoon

$2,174Air Canada

Tue, 1 Dec - Wed, 1 Sep

10:40 - 09:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 55m3 stops Ottawa Toronto Pearson Intl Vancouver Intl

09:20 - 18:21SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

23h 01m2 stops Vancouver Intl Saskatoon

$2,186Air Canada

Tue, 1 Dec - Wed, 1 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

17:10 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

47h 20m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 - 23:25SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

28h 45m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,640Delta

Mon, 2 Nov - Sun, 8 Nov

14:46 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

25h 44m2 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

$1,813Delta

Tue, 3 Nov - Tue, 10 Nov

21:05 - 06:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

41h 45m1 stop Doha Hamad Intl

15:50 - 14:05SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

38h 15m1 stop Doha Hamad Intl

$2,264Qatar Airways

Mon, 2 Nov - Sun, 8 Nov

21:05 - 06:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

41h 45m1 stop Doha Hamad Intl

15:50 - 14:05SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

38h 15m1 stop Doha Hamad Intl

$2,423Qatar Airways

Mon, 2 Nov - Wed, 11 Nov

21:05 - 06:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

41h 45m1 stop Doha Hamad Intl

15:50 - 14:05SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

38h 15m1 stop Doha Hamad Intl

$2,425Qatar Airways

Wed, 4 Nov - Wed, 18 Nov

21:05 - 06:50YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

41h 45m1 stop Doha Hamad Intl

15:50 - 00:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

48h 40m2 stops Doha Hamad Intl Toronto Pearson Intl

$2,456Qatar Airways

Mon, 2 Nov - Sun, 8 Nov

12:10 - 09:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

29h 25m1 stop Toronto Pearson Intl

11:20 - 19:35SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 15m1 stop Vancouver Intl

$2,470Air New Zealand

Tue, 3 Nov - Tue, 10 Nov

06:45 - 06:25YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

31h 40m3 stops Toronto Pearson Intl Chicago O'Hare Intl Los Angeles

14:05 - 22:53SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 48m2 stops Dallas/Fort Worth Charlotte Douglas

$2,536Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

06:45 - 06:25YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

31h 40m3 stops Toronto Pearson Intl Chicago O'Hare Intl Los Angeles

11:15 - 16:45SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

21h 30m1 stop Los Angeles

$2,536Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

10:40 - 09:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

30h 55m3 stops Ottawa Toronto Pearson Intl Vancouver Intl

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

35h 22m3 stops Vancouver Intl Toronto Pearson Intl Ottawa

$4,196Air Canada

Mon, 2 Nov - Wed, 11 Nov

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Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets

Qatar Airways

17 Feb

YUL21:05Montreal Pierre Elliott Trudeau Intl

29h 15m

1 stop

SYD18:20Sydney Kingsford Smith

24 Feb

SYD15:50Sydney Kingsford Smith

38h 15m

1 stop

YUL14:05Montreal Pierre Elliott Trudeau Intl

$1,933

Qatar Airways

17 Feb

YUL21:05Montreal Pierre Elliott Trudeau Intl

29h 15m

1 stop

SYD18:20Sydney Kingsford Smith

24 Feb

SYD15:50Sydney Kingsford Smith

38h 15m

1 stop

YUL14:05Montreal Pierre Elliott Trudeau Intl

$1,934

Qatar Airways

17 Feb

YUL21:05Montreal Pierre Elliott Trudeau Intl

29h 15m

1 stop

SYD18:20Sydney Kingsford Smith

24 Feb

SYD15:50Sydney Kingsford Smith

38h 15m

1 stop

YUL14:05Montreal Pierre Elliott Trudeau Intl

$1,937

Delta flights from Montreal to Sydney

Our best Delta deals on Montreal to Sydney flight tickets

Delta

9 Nov

YUL12:44Montreal Pierre Elliott Trudeau Intl

27h 46m

2 stops

SYD08:30Sydney Kingsford Smith

23 Nov

SYD10:40Sydney Kingsford Smith

52h 50m

2 stops

YUL23:30Montreal Pierre Elliott Trudeau Intl

$1,304

Delta

9 Nov

YUL12:44Montreal Pierre Elliott Trudeau Intl

27h 46m

2 stops

SYD08:30Sydney Kingsford Smith

23 Nov

SYD10:40Sydney Kingsford Smith

52h 50m

2 stops

YUL23:30Montreal Pierre Elliott Trudeau Intl

$1,307

Delta

9 Nov

YUL12:50Montreal Pierre Elliott Trudeau Intl

27h 40m

2 stops

SYD08:30Sydney Kingsford Smith

23 Nov

SYD10:40Sydney Kingsford Smith

52h 50m

2 stops

YUL23:30Montreal Pierre Elliott Trudeau Intl

$1,308

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

Tue 10/11

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Wed 10/2

10:40-23:51

2 stops29h 11m

$1,307

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

07:10-08:30

2 stops33h 20m

Sydney Kingsford Smith

Wed 18/11

10:40-11:52

2 stops41h 12m

$1,307

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

07:10-08:30

2 stops33h 20m

Sydney Kingsford Smith

Wed 10/2

10:40-23:51

2 stops29h 11m

$1,308

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 15/11

07:10-08:30

2 stops33h 20m

Sydney Kingsford Smith

Mon 23/11

10:40-23:30

2 stops52h 50m

$1,310

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 15/11

07:10-08:30

2 stops33h 20m

Sydney Kingsford Smith

Tue 24/11

10:40-23:30

2 stops52h 50m

$1,310

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

07:10-08:30

2 stops33h 20m

Sydney Kingsford Smith

Wed 10/2

10:40-23:51

2 stops29h 11m

$1,310

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Wed 18/11

10:40-23:48

2 stops29h 08m

$1,310

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

07:00-08:30

2 stops57h 30m

Sydney Kingsford Smith

Mon 23/11

10:40-23:30

2 stops52h 50m

$1,310

Fastest return journey

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 1/12

08:45-06:55

1 stop30h 10m

Sydney Kingsford Smith

Wed 1/9

09:20-18:21

2 stops23h 01m

$2,174

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 1/12

10:40-09:35

3 stops30h 55m

Sydney Kingsford Smith

Wed 1/9

09:20-18:21

2 stops23h 01m

$2,186

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 $2,193 to $2,399.
The lowest price recently found on this route was $1,304.

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 $1,748. 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 $2,007.

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 $2,266 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 $1,603 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 October 2026, prices for Montreal to Sydney flights are approximately 54% 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	$730
Fastest flight time	30h 15m
Direct flights	None

The best one-way flight to Sydney from Montreal in the past 72 hours is $730. The best return flight deal from Montreal to Sydney found on momondo in the last 72 hours is $1,307.

The fastest flight from Montreal to Sydney takes 30h 15m

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. 30h 15m 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 October 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 $502	Free cancellation	Rating 7.1 11,835 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.