Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Australia from C$ 803

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Australia
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 May 2026.

Sun 10/56:51 p.m.
YUL
-
MEL
2 stops46h 59m
Delta
Sun 24/510:00 a.m.
MEL
-
YUL
2 stops27h 57m
Delta
Deal found 6/5C$ 1,371
Sun 10/56:00 a.m.
YUL
-
SYD
2 stops34h 50m
Delta
Mon 25/59:15 a.m.
SYD
-
YUL
2 stops28h 26m
Delta
Deal found 6/5C$ 1,444
Sun 10/512:40 p.m.
YUL
-
SYD
2 stops28h 10m
Delta
Sun 31/59:15 a.m.
SYD
-
YUL
2 stops28h 42m
Delta
Deal found 6/5C$ 1,445
Sun 10/57:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Sun 24/59:15 a.m.
SYD
-
YUL
2 stops28h 26m
Delta
Deal found 4/5C$ 1,448
Fri 8/512:40 p.m.
YUL
-
SYD
2 stops28h 10m
Delta
Tue 26/59:15 a.m.
SYD
-
YUL
2 stops28h 42m
Delta
Deal found 6/5C$ 1,515
Fri 8/512:40 p.m.
YUL
-
SYD
2 stops28h 10m
Delta
Sun 31/59:15 a.m.
SYD
-
YUL
2 stops28h 42m
Delta
Deal found 5/5C$ 1,516
Fri 8/512:40 p.m.
YUL
-
SYD
2 stops28h 10m
Delta
Wed 27/59:15 a.m.
SYD
-
YUL
2 stops28h 42m
Delta
Deal found 4/5C$ 1,518
Fri 8/512:40 p.m.
YUL
-
SYD
2 stops28h 10m
Delta
Sat 30/59:15 a.m.
SYD
-
YUL
2 stops40h 20m
Delta
Deal found 6/5C$ 1,584
Fri 8/512:40 p.m.
YUL
-
SYD
2 stops28h 10m
Delta
Fri 29/59:15 a.m.
SYD
-
YUL
2 stops28h 42m
Delta
Deal found 5/5C$ 1,587
Tue 1/97:15 a.m.
YUL
-
MEL
3 stops38h 45m
Multiple Airlines
Wed 23/91:25 p.m.
MEL
-
YUL
3 stops31h 40m
Multiple Airlines
Deal found 3/5C$ 1,763
Wed 20/57:10 a.m.
YUL
-
SYD
2 stops33h 40m
Delta
Sun 24/59:15 a.m.
SYD
-
YUL
2 stops40h 15m
Delta
Deal found 4/5C$ 1,767
Sat 17/107:15 a.m.
YUL
-
MEL
3 stops38h 45m
Multiple Airlines
Sat 31/101:55 p.m.
MEL
-
YUL
3 stops41h 17m
Multiple Airlines
Deal found 4/5C$ 1,869

Find flight deals from Pierre Elliott Trudeau Intl to Australia

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Australia flight deals. Data was last updated 7 May 2026.

Round-trip from

C$ 1,447

One-way from

C$ 803

Popular in

December

Cheapest in

September

Average price

C$ 2,165
Delta
  • Delta
  • 18/5-25/5
  • 4 total stops
  • 62h 32m total
  • Montreal to Australia
Search Deals
5/6
  • 5/6
  • 3 total stops
  • 38h 35m total
  • Montreal to Australia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 7 May 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

12:49 p.m.-6:50 a.m.

2 stops28h 01m

Sydney Kingsford Smith

Mon 8/6

9:15 a.m.-5:45 p.m.

2 stops46h 30m

C$ 1,450

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

8:50 p.m.-6:50 p.m.

1 stop31h 00m

Sydney Kingsford Smith

Sun 15/11

3:50 p.m.-2:05 p.m.

1 stop38h 15m

C$ 2,001

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

9:35 p.m.-10:30 a.m.

2 stops48h 55m

Perth

Sun 7/6

10:55 p.m.-4:10 p.m.

1 stop29h 15m

C$ 2,023

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

8:50 p.m.-5:30 p.m.

1 stop30h 40m

Brisbane

Thu 19/11

8:55 p.m.-2:05 p.m.

2 stops56h 10m

C$ 2,047

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 31/10

8:50 p.m.-6:50 p.m.

1 stop31h 00m

Sydney Kingsford Smith

Sun 15/11

3:50 p.m.-2:05 p.m.

1 stop38h 15m

C$ 2,055

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

8:50 p.m.-5:30 p.m.

1 stop30h 40m

Brisbane

Sun 15/11

3:10 p.m.-2:05 p.m.

1 stop37h 55m

C$ 2,076

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

8:50 p.m.-5:30 p.m.

1 stop30h 40m

Brisbane

Sun 15/11

3:10 p.m.-2:05 p.m.

1 stop37h 55m

C$ 2,076

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Sat 31/10

8:50 p.m.-5:30 p.m.

1 stop30h 40m

Brisbane

Thu 19/11

8:55 p.m.-2:05 p.m.

2 stops56h 10m

C$ 2,103

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

9:35 p.m.-5:30 p.m.

1 stop29h 55m

Brisbane

Tue 29/9

3:10 p.m.-2:45 p.m.

1 stop37h 35m

C$ 2,131

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

9:35 p.m.-9:50 p.m.

2 stops34h 15m

Sydney Kingsford Smith

Mon 1/6

6:30 p.m.-4:10 p.m.

2 stops35h 40m

C$ 2,175

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Pierre Elliott Trudeau Intl to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia

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

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia?

Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia (average of C$ 275). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Australia in June is currently the most expensive (average of C$ 566). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated 7 May 2026.
Get a feel of what it's like to fly with Air New Zealand,Delta, andQatar Airways from Montreal Pierre Elliott Trudeau Intl Airport to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very good
640 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very good
640 reviews
Air New Zealand
8.0
Very good
640 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Delta
7.9
Good
8,461 reviews
Air New Zealand
8.0
Very good
640 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qatar Airways
7.4
Good
3,727 reviews
Air New Zealand
8.0
Very good
640 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,687 reviews
Air New Zealand
8.0
Very good
640 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
11,003 reviews
Air New Zealand
8.0
Very good
640 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia?

    Airlines like Delta, Qatar Airways, and KLM fly from Montreal Pierre Elliott Trudeau Intl Airport to Australia in about 28h 01m. The time it takes to get you to your destination can typically vary by up to 13h 49m. There are 16011 km between Montreal Pierre Elliott Trudeau Intl Airport and Australia. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Australia one-way?

    For one-way options, check prices for Qatar Airways. According to our data, you can fly for as low as C$ 979. Users have also found prices from C$ 1,017 and C$ 1,231 on Air Canada and United Airlines, respectively.

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to Australia?

    The most popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Australia are Montreal Pierre Elliott Trudeau Intl - Sydney Kingsford Smith, Montreal Pierre Elliott Trudeau Intl - Melbourne and Montreal Pierre Elliott Trudeau Intl - Brisbane.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Australia that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Australia.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Australia?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia?

    Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia (average of C$ 275). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Australia in June is currently the most expensive (average of C$ 566). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Pierre Elliott Trudeau Intl to Australia

Discover the top 9 airlines that operate flights from Pierre Elliott Trudeau Intl to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 275AverageC$ 450FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 357AverageC$ 478FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 436AverageC$ 919FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,090AverageC$ 1,697FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapestC$ 1,457AverageC$ 2,256FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 1,491AverageC$ 2,204FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapestC$ 1,758AverageC$ 2,101FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 1,953AverageC$ 2,539FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air FranceCheapestC$ 2,133AverageC$ 2,282FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Australia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl to Australia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Australia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Pierre Elliott Trudeau Intl to Australia.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Australia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to Australia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Australia become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.