$565 Find Cheap Flights from Montreal to Australia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Pierre Elliott Trudeau Intl to Australia departing on 26/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Best Australia Flight Deals from Pierre Elliott Trudeau Intl

Cheapest return prices found by our users on KAYAK in the last 72 hours
Sydney
Sydney2 stops$1,701
Melbourne
Melbourne3 stops$1,945
Brisbane
Brisbane2 stops$1,217
Perth
Perth3 stops$2,642
Sydney
Sydney2 stops$1,701
Melbourne
Melbourne3 stops$1,945
Brisbane
Brisbane2 stops$1,217
Perth
Perth3 stops$2,642

Cheap Flights from Pierre Elliott Trudeau Intl to Australia

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Pierre Elliott Trudeau Intl to Australia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Pierre Elliott Trudeau Intl to Australia

Sun, 2 Nov - Wed, 12 Nov
Delta Logo
16:55 - 07:45YUL-BNE
47h 50m2 stops
Delta Logo
10:45 - 23:53BNE-YUL
28h 08m2 stops
$1,217Delta
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Sun, 2 Nov - Sun, 9 Nov
Delta Logo
16:55 - 07:45YUL-BNE
47h 50m2 stops
Delta Logo
10:45 - 23:08BNE-YUL
27h 23m2 stops
$1,352Delta
Find Deal
Mon, 25 Aug - Sat, 4 Oct
 Logo
07:00 - 07:30YUL-SYD
34h 30m2 stops
 Logo
09:10 - 00:41SYD-YUL
29h 31m2 stops
$1,701
Find Deal
Sun, 31 Aug - Sun, 14 Sep
 Logo
08:10 - 07:05YUL-SYD
32h 55m2 stops
 Logo
09:10 - 07:07SYD-YUL
35h 57m2 stops
$1,702
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Air Canada Logo
22:10 - 09:35YUL-SYD
44h 25m2 stops
Air Canada Logo
11:20 - 21:04SYD-YUL
25h 44m1 stop
$2,207Air Canada
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Sat, 1 Nov - Sat, 8 Nov
Air Canada Logo
22:10 - 09:35YUL-SYD
44h 25m2 stops
Air Canada Logo
11:20 - 21:48SYD-YUL
26h 28m2 stops
$2,218Air Canada
Find Deal
Tue, 28 Oct - Mon, 10 Nov
Qatar Airways Logo
21:50 - 06:50YUL-SYD
42h 00m1 stop
Qatar Airways Logo
15:50 - 14:05SYD-YUL
38h 15m1 stop
$2,267Qatar Airways
Find Deal
Tue, 28 Oct - Mon, 10 Nov
Qatar Airways Logo
21:50 - 06:50YUL-SYD
42h 00m1 stop
Qatar Airways Logo
15:50 - 14:05SYD-YUL
38h 15m1 stop
$2,269Qatar Airways
Find Deal
Wed, 6 Aug - Tue, 26 Aug
Air New Zealand Logo
09:10 - 10:50YUL-MEL
35h 40m2 stops
Air New Zealand Logo
12:05 - 06:40MEL-YUL
32h 35m2 stops
$2,375Air New Zealand
Find Deal
Wed, 6 Aug - Tue, 26 Aug
Air New Zealand Logo
16:40 - 10:50YUL-MEL
28h 10m2 stops
Air New Zealand Logo
12:05 - 06:40MEL-YUL
32h 35m2 stops
$2,409Air New Zealand
Find Deal
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KAYAK's insights & trends for Pierre Elliott Trudeau Intl to Australia flights

Get data-powered insights and trends into flights from Pierre Elliott Trudeau Intl to Australia to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Australia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Australia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to Australia is April, when tickets cost $2,246 (return) on average. On the other hand, the most expensive months are December and January, when the average cost of return tickets is $3,073 and $3,007 respectively.

What’s the cheapest day of the week to fly from Montreal to Australia?

The average price of all round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Australia clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Montreal to Australia, look for departures on Wednesdays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from Australia, Sunday is the cheapest day to fly and Friday is the most expensive.

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Australia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on the flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.


Good to know

Low seasonSeptember
High seasonDecember
Cheapest flight$565
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly (30% more expensive on average)
Flight from Montreal to Sydney

FAQs - booking Australia flights

  • How does KAYAK find such low prices on flights from Montreal to Australia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montreal to Australia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montreal to Australia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Montreal to Australia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Montreal to Australia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Montreal to Australia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montreal to Australia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Montreal to Australia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Australia?

    The cheapest time of day to fly to Australia is generally in the evening, when retur flights cost $1,921 on average. Morning departures are around 12% more expensive than evening flights, on average. The most expensive time of day to fly to Australia is generally in the morning, which is peak travel time and where the average cost of a ticket is $2,144.

Top airline flying from Pierre Elliott Trudeau Intl to Australia

 
Need help choosing which airline to fly with from Pierre Elliott Trudeau Intl to Australia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Air CanadaOverall score based on 9537 reviews
6.3Food
6.8Entertainment
7.3Boarding
7.0Comfort
7.8Crew
Airline reviews

Service Director cut all cabin lights and window screens defaulted to dark, but it was an afternoon flight going west. I spent hours trying to see what was reading as reading lights weren't working either. What the hell.

8.0 ExcellentAnonymous, June 2025YUL - YYC
Read more Air Canada reviews

Service Director cut all cabin lights and window screens defaulted to dark, but it was an afternoon flight going west. I spent hours trying to see what was reading as reading lights weren't working either. What the hell.

The food could have been better. The flight attendant was the friendliest and most helpful I have ever had.

Almost no food given on a 5-hour flight (only a cookie, which is almost a joke). Boarding was a mess (as always, in Montreal boarding by zones is chaotic and the lines are a total mess). The entertainment system was old and with a limited selection.

Very nice comfortable spacy Airbus 321. I liked the offer of food on the Bistro menu. The idea is very good to pay and cost was low.

Received email saying that there won’t be a seat back entertainment screen and inflight WiFi would be available. But no WiFi both ways. Say it in the email.

Staff was very attentive! Food was good for premium economy airplane food. Clearly an older plane - seat back had to be pulled up manually after being reclined.

Good, only discomfort was consistent turbulence through the 3 hour flight. Not sure if in companies control though.

No frills very ordinary, charged me twice to book my seat assignment will.need to complain for reimbursement.

Everything ok, but it was a lot of turbulence during the flight.

Crew was pleasant and efficient. The speaker system for instructions was hard to understand

Everything you need to know for your flight from Pierre Elliott Trudeau Intl to Australia

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