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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Australia from C$ 781

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
20 Apr — 27 Apr1
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 21 March 2026.

Mon 4/54:55 p.m.
YUL
-
SYD
2 stops29h 10m
Multiple Airlines
Mon 11/51:15 p.m.
SYD
-
YUL
2 stops31h 36m
Multiple Airlines
Deal found 20/3C$ 1,600
Sat 2/54:55 p.m.
YUL
-
SYD
2 stops28h 55m
Multiple Airlines
Sat 9/51:15 p.m.
SYD
-
YUL
2 stops31h 36m
Multiple Airlines
Deal found 18/3C$ 1,603
Sat 2/57:00 a.m.
YUL
-
SYD
2 stops57h 50m
Delta
Sat 23/59:15 a.m.
SYD
-
YUL
2 stops27h 58m
Delta
Deal found 16/3C$ 1,617
Tue 5/54:55 p.m.
YUL
-
SYD
2 stops28h 55m
Multiple Airlines
Tue 12/51:15 p.m.
SYD
-
YUL
2 stops31h 36m
Multiple Airlines
Deal found 21/3C$ 1,623
Sat 18/412:55 p.m.
YUL
-
SYD
2 stops51h 55m
Delta
Tue 28/49:15 a.m.
SYD
-
YUL
2 stops27h 53m
Delta
Deal found 20/3C$ 1,637
Sat 18/47:00 a.m.
YUL
-
SYD
2 stops57h 50m
Delta
Sun 26/49:15 a.m.
SYD
-
YUL
2 stops40h 23m
Delta
Deal found 17/3C$ 1,638
Sun 3/57:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Mon 18/59:15 a.m.
SYD
-
YUL
2 stops28h 42m
Delta
Deal found 20/3C$ 1,640
Mon 27/45:55 p.m.
YUL
-
MEL
2 stops28h 30m
Multiple Airlines
Wed 13/51:25 p.m.
MEL
-
YUL
2 stops31h 26m
Multiple Airlines
Deal found 20/3C$ 1,669
Fri 17/46:45 p.m.
YUL
-
SYD
2 stops46h 05m
Delta
Tue 28/49:15 a.m.
SYD
-
YUL
2 stops28h 36m
Delta
Deal found 20/3C$ 1,686
Wed 22/47:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Thu 13/89:15 a.m.
SYD
-
YUL
2 stops28h 41m
Delta
Deal found 19/3C$ 1,689
Mon 14/96:00 p.m.
YUL
-
MEL
2 stops28h 05m
Multiple Airlines
Mon 28/96:00 a.m.
MEL
-
YUL
2 stops27h 21m
Multiple Airlines
Deal found 19/3C$ 1,746
Mon 4/56:00 p.m.
YUL
-
MEL
2 stops27h 05m
Air Canada
Mon 11/56:00 a.m.
MEL
-
YUL
2 stops28h 57m
Air Canada
Deal found 20/3C$ 1,752

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 21 March 2026.

Round-trip from

C$ 1,567

One-way from

C$ 781

Popular in

December

Cheapest in

September

Average price

C$ 2,145
Delta
  • Delta
  • 13/4-20/4
  • 4 total stops
  • 68h 44m total
  • Montreal to Australia
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 39h 05m total
  • Montreal to Australia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 213 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 21 March 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

Sat 2/5

7:00 a.m.-6:50 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Sat 23/5

9:15 a.m.-11:13 p.m.

2 stops27h 58m

C$ 1,617

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Thu 21/5

9:15 a.m.-11:35 a.m.

2 stops40h 20m

C$ 1,617

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

6:00 a.m.-6:50 a.m.

2 stops34h 50m

Sydney Kingsford Smith

Tue 11/8

9:15 a.m.-11:56 p.m.

2 stops28h 41m

C$ 1,637

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Mon 18/5

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,640

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

7:10 a.m.-6:50 a.m.

2 stops33h 40m

Sydney Kingsford Smith

Sun 7/6

9:15 a.m.-11:42 p.m.

2 stops28h 27m

C$ 1,686

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

6:00 a.m.-6:50 a.m.

2 stops34h 50m

Sydney Kingsford Smith

Sat 23/5

9:15 a.m.-11:57 p.m.

2 stops28h 42m

C$ 1,737

MontrealMelbourne

YUL - AVV

YULAVV

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

6:00 p.m.-4:05 p.m.

2 stops32h 05m

Melbourne Avalon

Tue 28/4

8:55 p.m.-9:03 p.m.

2 stops38h 08m

C$ 1,826

MontrealMelbourne

YUL - AVV

YULAVV

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

3:15 p.m.-4:05 p.m.

3 stops34h 50m

Melbourne Avalon

Wed 29/4

8:55 p.m.-7:10 a.m.

2 stops48h 15m

C$ 1,831

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 14/8

7:00 a.m.-6:50 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Sat 29/8

9:15 a.m.-11:10 p.m.

2 stops27h 55m

C$ 1,835

MontrealBrisbane

YUL - BNE

YULBNE

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

9:45 a.m.-6:30 a.m.

2 stops54h 45m

Brisbane

Tue 22/9

10:30 a.m.-9:26 p.m.

2 stops24h 56m

C$ 1,858

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

Currently, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia (average of C$ 340). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Australia in June is currently the most expensive (average of C$ 1,688). 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 21 March 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
616 reviews
Check prices

Comfort

8.0

Entertainment

7.4

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
Air New Zealand
8.0
Very good
616 reviews
Air New Zealand
8.0
Very good
616 reviews
Check prices

Comfort

8.0

Entertainment

7.4

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
Delta
7.9
Good
8,315 reviews
Air New Zealand
8.0
Very good
616 reviews
Check prices

Comfort

8.0

Entertainment

7.4

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
Qatar Airways
7.4
Good
3,733 reviews
Air New Zealand
8.0
Very good
616 reviews
Check prices

Comfort

8.0

Entertainment

7.4

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
United Airlines
7.4
Good
9,453 reviews
Air New Zealand
8.0
Very good
616 reviews
Check prices

Comfort

8.0

Entertainment

7.4

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.
Air Canada
7.1
Good
10,828 reviews
Air New Zealand
8.0
Very good
616 reviews
Check prices

Comfort

8.0

Entertainment

7.4

Crew

8.5

Food

7.4

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.

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, United Airlines, and Air Canada fly from Montreal Pierre Elliott Trudeau Intl Airport to Australia in about 31h 40m. The time it takes to get you to your destination can typically vary by up to 26h 10m. There are 16713 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$ 987. Users have also found prices from C$ 1,025 and C$ 1,102 on Air Canada and Air New Zealand, 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, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Australia (average of C$ 340). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Australia in June is currently the most expensive (average of C$ 1,688). 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 10 airlines flying from Pierre Elliott Trudeau Intl to Australia

Discover the top 10 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 21 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 277AverageC$ 453FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 360AverageC$ 555FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 439AverageC$ 990FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Fiji AirwaysCheapestC$ 983AverageC$ 996FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapestC$ 1,099AverageC$ 1,813FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapestC$ 1,469AverageC$ 2,285FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 1,503AverageC$ 2,202FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapestC$ 1,720AverageC$ 2,043FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 1,768AverageC$ 2,472FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air FranceCheapestC$ 1,908AverageC$ 2,214FlexibilityNo cancel feeOn-time77%
Search Air France flights

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

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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!

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