What is the cheapest airline that flies from Montreal to Australia?

Delta, Qatar Airways, and Air New Zealand are the most popular carriers operating from Montreal to Australia

When did momondo last update prices for flights from Montreal to Australia?

Prices for flights from Montreal to Australia are refreshed on a daily basis.

How many operators does momondo search for flights from Montreal to Australia?

The number of operators available for flights from Montreal to Australia is 1 as of October 2026.

How old do you have to be to fly from Montreal to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia 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.

$729 Cheap Flights from Montreal to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:44 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 46m2 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

$1,303Delta

Mon, 9 Nov - Mon, 23 Nov

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

$1,306Delta

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

$1,306Delta

Wed, 11 Nov - Wed, 18 Nov

12:44 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 46m2 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

$1,306Delta

Mon, 9 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 - 23:51SYD 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

12:50 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 40m2 stops Detroit Metropolitan Wayne County Los Angeles

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

52h 50m2 stops Los Angeles Minneapolis St Paul

$1,307Delta

Mon, 9 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

$1,308Delta

Sun, 15 Nov - Mon, 23 Nov

12:50 - 08:30YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 40m2 stops Detroit Metropolitan Wayne County Los Angeles

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

52h 50m2 stops Los Angeles Minneapolis St Paul

$1,308Delta

Tue, 10 Nov - Tue, 24 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

$2,172Air 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

$2,184Air Canada

Tue, 1 Dec - Wed, 1 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

07:00 - 07:20YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 20m2 stops Atlanta Hartsfield-Jackson Los Angeles

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

28h 45m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,406Delta

Sat, 31 Oct - Sat, 7 Nov

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

$1,638Delta

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

$1,811Delta

Tue, 3 Nov - Tue, 10 Nov

13:15 - 08:45YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

29h 30m2 stops Calgary Vancouver Intl

10:45 - 07:10BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

35h 25m1 stop Vancouver Intl

$2,198Air Canada

Sat, 31 Oct - Sat, 7 Nov

18:15 - 08:45YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

24h 30m1 stop Vancouver Intl

10:45 - 20:30BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

24h 45m1 stop Vancouver Intl

$2,204Air Canada

Sat, 31 Oct - Sat, 7 Nov

10:10 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

31h 25m2 stops Toronto Pearson Intl Vancouver Intl

11:20 - 20:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 10m1 stop Vancouver Intl

$2,225Air Canada

Sat, 31 Oct - Sat, 7 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

$2,262Qatar Airways

Mon, 2 Nov - Sun, 8 Nov

13:15 - 08:45YUL Montreal Pierre Elliott Trudeau Intl-BNE Brisbane

29h 30m2 stops Calgary Vancouver Intl

10:45 - 23:34BNE Brisbane-YUL Montreal Pierre Elliott Trudeau Intl

27h 49m2 stops Vancouver Intl Calgary

$2,272Air Canada

Sat, 31 Oct - Sat, 7 Nov

14:00 - 08:35YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 35m1 stop Toronto Pearson Intl

11:20 - 20:30SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 10m1 stop Vancouver Intl

$2,347Air Canada

Sat, 31 Oct - Sat, 7 Nov

21:05 - 00:05YUL Montreal Pierre Elliott Trudeau Intl-PER Perth

38h 00m2 stops Doha Hamad Intl Brisbane

22:45 - 14:05PER Perth-YUL Montreal Pierre Elliott Trudeau Intl

28h 20m1 stop Doha Hamad Intl

$2,377Qatar Airways

Tue, 3 Nov - Fri, 20 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia 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

$1,303

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

$1,306

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

$1,307

Air Canada flights from Montreal to Australia

Our best Air Canada deals on Montreal to Australia flight tickets

Air Canada

31 Oct

YUL10:10Montreal Pierre Elliott Trudeau Intl

31h 25m

2 stops

SYD08:35Sydney Kingsford Smith

7 Nov

SYD11:20Sydney Kingsford Smith

25h 10m

1 stop

YUL20:30Montreal Pierre Elliott Trudeau Intl

$2,225

Air Canada

13 Nov

YUL18:15Montreal Pierre Elliott Trudeau Intl

23h 20m

1 stop

SYD09:35Sydney Kingsford Smith

18 Nov

SYD11:20Sydney Kingsford Smith

28h 14m

2 stops

YUL23:34Montreal Pierre Elliott Trudeau Intl

$2,287

Air Canada

1 Apr

YUL18:15Montreal Pierre Elliott Trudeau Intl

31h 10m

2 stops

ADL15:55Adelaide

5 May

ADL18:55Adelaide

37h 47m

2 stops

YUL19:12Montreal Pierre Elliott Trudeau Intl

$2,351

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 9/11

12:44-08:30

2 stops27h 46m

Sydney Kingsford Smith

Mon 23/11

10:40-23:30

2 stops52h 50m

$1,303

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

$1,306

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

$1,306

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

12:44-08:30

2 stops27h 46m

Sydney Kingsford Smith

Mon 23/11

10:40-23:30

2 stops52h 50m

$1,306

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

$1,307

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

12:50-08:30

2 stops27h 40m

Sydney Kingsford Smith

Mon 23/11

10:40-23:30

2 stops52h 50m

$1,307

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

$1,308

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

12:50-08:30

2 stops27h 40m

Sydney Kingsford Smith

Tue 24/11

10:40-23:30

2 stops52h 50m

$1,308

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

$2,172

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

$2,184

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 Australia

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 cheapest month to fly to Australia?

In general, May is the cheapest month to fly from Montreal to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,890. If you don’t want to visit Australia in May, then you should wait until April to fly from Montreal, when ticket prices are also cheap, with an average price of $2,113.

How far in advance should I book a flight from Montreal to Australia?

You are more likely to see cheaper flights to Australia from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,264 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Montreal for as low as $1,601 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 27% on your flight if you consider stops on a Montreal to Australia flight.

Cheap Montreal to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Australia

Best price found	$729
Fastest flight time	22h 30m
Direct flights	None

The best one-way flight to Australia from Montreal in the past 72 hours is $729. The best return flight deal from Montreal to Australia found on momondo in the last 72 hours is $1,303.

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

There are no direct flights from Montreal to Australia. There are no popular flight routes from Montreal to Australia.

Search flight deals

Frequently asked questions about flying from Montreal to Australia

When did momondo last update prices for flights from Montreal to Australia?
Prices for flights from Montreal to Australia are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Australia?
The number of operators available for flights from Montreal to Australia is 1 as of October 2026.
How old do you have to be to fly from Montreal to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia 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 Australia

Compare and see reviews for airlines that fly from Montreal to Australia with momondo

Airline	Rating	Free cancellation	Price
Air Canada	PriceFrom $502	Free cancellation	Rating 7.1 11,832 reviews		Search Air Canada flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Montreal.

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

Yes. momondo allows you to filter the results for Montreal to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Montreal to Australia?

Once all potential Montreal to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Montreal to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montreal to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.