Which airlines fly to Australia?

Air Canada, United Airlines and Qatar Airways are the top three most popular airlines that fly to Australia from Montreal according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 6 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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

Delta, Air New Zealand, and Qatar Airways 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?

As of October 2026, there are 6 operators available to choose from for flights from Montreal to Australia.

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 license 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.

C$ 719 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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:44 p.m. - 7:20 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 36m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 a.m. - 11:57 a.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

41h 17m2 stops Los Angeles Detroit Metropolitan Wayne County

C$ 1,292Delta

Mon, 26 Oct - Mon, 2 Nov

7:00 a.m. - 7:00 a.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

33h 00m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:10 a.m. - 11:37 a.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

41h 27m2 stops Los Angeles Atlanta Hartsfield-Jackson

C$ 1,292Delta

Mon, 26 Oct - Wed, 11 Nov

5:10 p.m. - 8:00 a.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

46h 50m2 stops Detroit Metropolitan Wayne County Los Angeles

10:10 a.m. - 11:30 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

29h 20m2 stops Los Angeles Minneapolis St Paul

C$ 1,348Multiple Airlines

Sun, 8 Nov - Sat, 21 Nov

9:05 p.m. - 5:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

40h 40m1 stop Doha Hamad Intl

4:10 p.m. - 3:05 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

37h 55m1 stop Doha Hamad Intl

C$ 1,640Qatar Airways

Mon, 1 Mar - Mon, 15 Mar

9:05 p.m. - 5:50 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

28h 45m1 stop Doha Hamad Intl

4:10 p.m. - 3:05 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

37h 55m1 stop Doha Hamad Intl

C$ 1,645Qatar Airways

Wed, 24 Feb - Wed, 17 Mar

1:04 p.m. - 9:00 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

27h 56m2 stops Philadelphia Los Angeles

11:20 a.m. - 10:58 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

27h 38m2 stops Los Angeles Charlotte Douglas

C$ 1,673American Airlines

Tue, 10 Nov - Wed, 10 Feb

3:45 p.m. - 6:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

24h 10m1 stop Dallas/Fort Worth

11:10 a.m. - 1:44 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

42h 34m2 stops Los Angeles Charlotte Douglas

C$ 1,993Qantas Airways

Wed, 28 Oct - Wed, 4 Nov

12:10 p.m. - 12:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

33h 25m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

7:45 a.m. - 7:00 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

27h 15m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

C$ 2,017Air Canada

Mon, 26 Oct - Wed, 11 Nov

12:10 p.m. - 12:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MEL Melbourne

33h 25m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

7:45 a.m. - 7:00 p.m.MEL Melbourne-YUL Montreal Pierre Elliott Trudeau Intl

27h 15m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

C$ 2,019Air Canada

Mon, 26 Oct - Wed, 11 Nov

3:45 p.m. - 6:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

24h 10m1 stop Dallas/Fort Worth

2:05 p.m. - 10:48 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

24h 43m2 stops Dallas/Fort Worth Philadelphia

C$ 2,265Qantas Airways

Sat, 31 Oct - Wed, 9 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:30 p.m. - 7:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

28h 00m2 stops Chicago O'Hare Intl Los Angeles

10:10 a.m. - 10:52 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

27h 42m2 stops Los Angeles Charlotte Douglas

C$ 2,019Qantas Airways

Wed, 7 Oct - Wed, 14 Oct

9:15 a.m. - 7:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

31h 40m2 stops Washington, D.C. Dulles Intl San Francisco

11:20 a.m. - 8:16 a.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

35h 56m1 stop San Francisco

C$ 2,532United Airlines

Wed, 7 Oct - Wed, 14 Oct

4:55 p.m. - 7:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

23h 35m1 stop Los Angeles

8:30 p.m. - 3:29 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

33h 59m1 stop Vancouver Intl

C$ 2,552Qantas Airways

Wed, 7 Oct - Wed, 14 Oct

6:35 p.m. - 7:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

11:20 a.m. - 8:16 a.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

35h 56m1 stop San Francisco

C$ 2,566United Airlines

Mon, 5 Oct - Fri, 23 Oct

6:35 p.m. - 7:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

11:20 a.m. - 9:26 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 06m2 stops San Francisco Chicago O'Hare Intl

C$ 2,566United Airlines

Mon, 5 Oct - Fri, 23 Oct

2:20 p.m. - 7:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

26h 35m2 stops Washington, D.C. Dulles Intl San Francisco

11:20 a.m. - 10:06 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

25h 46m2 stops San Francisco Newark

C$ 2,566United Airlines

Mon, 5 Oct - Fri, 23 Oct

9:10 a.m. - 10:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 55m2 stops Toronto Pearson Intl Incheon Intl

2:15 p.m. - 7:05 a.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

31h 50m3 stops Nadi Los Angeles Calgary

C$ 3,425Multiple Airlines

Mon, 5 Oct - Fri, 23 Oct

9:10 a.m. - 9:40 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Toronto Pearson Intl Hong Kong Intl

9:50 p.m. - 6:20 p.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

35h 30m3 stops Brisbane Hong Kong Intl Toronto Pearson Intl

C$ 4,644Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

6:45 a.m. - 6:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SYD Sydney Kingsford Smith

32h 50m3 stops Toronto Pearson Intl Calgary Vancouver Intl

5:30 p.m. - 11:44 a.m.SYD Sydney Kingsford Smith-YUL Montreal Pierre Elliott Trudeau Intl

33h 14m3 stops Brisbane Los Angeles Chicago O'Hare Intl

C$ 6,221Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

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Delta flights from Montreal to Australia

Our best Delta deals on Montreal to Australia flight tickets

Delta

20 Oct

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

34h 50m

2 stops

SYD7:50 a.m.Sydney Kingsford Smith

3 Nov

SYD10:40 a.m.Sydney Kingsford Smith

29h 14m

2 stops

YUL11:54 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,292

Delta

19 Oct

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

33h 50m

2 stops

SYD7:50 a.m.Sydney Kingsford Smith

2 Nov

SYD10:40 a.m.Sydney Kingsford Smith

28h 42m

2 stops

YUL11:22 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,294

Delta

25 Oct

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

57h 20m

2 stops

SYD7:20 a.m.Sydney Kingsford Smith

9 Nov

SYD10:40 a.m.Sydney Kingsford Smith

40h 57m

2 stops

YUL11:37 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,296

American Airlines flights from Montreal to Australia

Our best American Airlines deals on Montreal to Australia flight tickets

American Airlines

23 Mar

YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl

27h 31m

2 stops

BNE6:30 a.m.Brisbane

6 Apr

BNE1:05 p.m.Brisbane

37h 13m

2 stops

YUL12:18 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,634

American Airlines

24 Mar

YUL7:12 a.m.Montreal Pierre Elliott Trudeau Intl

32h 38m

2 stops

BNE5:50 a.m.Brisbane

7 Apr

BNE1:05 p.m.Brisbane

36h 39m

2 stops

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,636

American Airlines

8 Mar

YUL3:55 p.m.Montreal Pierre Elliott Trudeau Intl

47h 35m

2 stops

BNE6:30 a.m.Brisbane

29 Mar

BNE1:05 p.m.Brisbane

37h 19m

2 stops

YUL12:24 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,638

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

12:44 p.m.-7:20 a.m.

2 stops27h 36m

Sydney Kingsford Smith

Mon 2/11

10:40 a.m.-11:57 a.m.

2 stops41h 17m

C$ 1,292

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

7:00 a.m.-7:00 a.m.

2 stops33h 00m

Melbourne

Wed 11/11

10:10 a.m.-11:37 a.m.

2 stops41h 27m

C$ 1,292

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

5:10 p.m.-8:00 a.m.

2 stops46h 50m

Melbourne

Sat 21/11

10:10 a.m.-11:30 p.m.

2 stops29h 20m

C$ 1,348

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 1/3

9:05 p.m.-5:45 a.m.

1 stop40h 40m

Melbourne

Mon 15/3

4:10 p.m.-3:05 p.m.

1 stop37h 55m

C$ 1,640

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Wed 24/2

9:05 p.m.-5:50 p.m.

1 stop28h 45m

Melbourne

Wed 17/3

4:10 p.m.-3:05 p.m.

1 stop37h 55m

C$ 1,645

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

1:04 p.m.-9:00 a.m.

2 stops27h 56m

Sydney Kingsford Smith

Wed 10/2

11:20 a.m.-10:58 p.m.

2 stops27h 38m

C$ 1,673

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

3:45 p.m.-6:55 a.m.

1 stop24h 10m

Sydney Kingsford Smith

Wed 4/11

11:10 a.m.-1:44 p.m.

2 stops42h 34m

C$ 1,993

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

12:10 p.m.-12:35 p.m.

3 stops33h 25m

Melbourne

Wed 11/11

7:45 a.m.-7:00 p.m.

3 stops27h 15m

C$ 2,017

MontrealMelbourne

YUL Montreal Pierre Elliott Trudeau Intl - MEL Melbourne

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

12:10 p.m.-12:35 p.m.

3 stops33h 25m

Melbourne

Wed 11/11

7:45 a.m.-7:00 p.m.

3 stops27h 15m

C$ 2,019

Quickest round-trip

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 31/10

3:45 p.m.-6:55 a.m.

1 stop24h 10m

Sydney Kingsford Smith

Wed 9/12

2:05 p.m.-10:48 p.m.

2 stops24h 43m

C$ 2,265

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 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?

The cheapest month to fly to Australia from Montreal is in May. Flight prices, which tend to average around C$ 1,895, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Australia from Montreal during April instead. Flights to Australia in April, while not as cheap as those in May, still average around C$ 2,100.

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 C$ 2,289 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Montreal for as low as C$ 1,606 on momondo.

Can stopping save me money on Montreal to Australia flights?

You could potentially save up to 28% 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	C$ 719
Fastest flight time	23h 20m
Direct flights	None

The best one-way flight to Australia from Montreal in the past 72 hours is C$ 719. The best round-trip flight deal from Montreal to Australia found on momondo in the last 72 hours is C$ 1,292.

The fastest flight from Montreal to Australia takes 23h 20m

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?
As of October 2026, there are 6 operators available to choose from for flights from Montreal to Australia.
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 license 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
Delta	PriceFrom C$ 456	Free Cancellation	Rating 7.8 8,627 reviews	Search Delta flights
Qantas Airways	PriceFrom C$ 1,210	Free Cancellation	Rating 7.5 1,101 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,487	Free Cancellation	Rating 7.4 10,286 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,509	Free Cancellation	Rating 7.1 11,718 reviews	Search Air Canada flights
Qatar Airways	PriceFrom C$ 1,721	Free Cancellation	Rating 7.4 3,727 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom C$ 1,848	Free Cancellation	Rating 8.0 669 reviews	Search Air New Zealand 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?

All flight searches from Montreal to Australia on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Montreal to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Montreal to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.