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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
23 Feb — 2 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Sydney
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 January 2026.

Sat 21/29:10 a.m.
YUL
-
SYD
3 stops35h 25m
Multiple Airlines
Sat 28/22:00 p.m.
SYD
-
YUL
3 stops35h 22m
Multiple Airlines
Deal found 23/1C$ 1,795
Tue 24/36:45 p.m.
YUL
-
SYD
2 stops26h 50m
Multiple Airlines
Mon 13/41:15 p.m.
SYD
-
YUL
3 stops31h 29m
Multiple Airlines
Deal found 22/1C$ 1,823
Sat 14/21:10 p.m.
YUL
-
SYD
3 stops31h 25m
Multiple Airlines
Sat 28/22:00 p.m.
SYD
-
YUL
3 stops35h 22m
Multiple Airlines
Deal found 23/1C$ 1,841
Tue 24/29:10 a.m.
YUL
-
SYD
3 stops35h 25m
Multiple Airlines
Wed 4/32:00 p.m.
SYD
-
YUL
3 stops35h 22m
Multiple Airlines
Deal found 22/1C$ 1,845
Mon 23/212:10 p.m.
YUL
-
SYD
3 stops32h 25m
Multiple Airlines
Mon 16/32:00 p.m.
SYD
-
YUL
3 stops34h 22m
Multiple Airlines
Deal found 22/1C$ 1,853
Tue 10/312:59 p.m.
YUL
-
SYD
2 stops26h 11m
Multiple Airlines
Wed 8/48:30 p.m.
SYD
-
YUL
2 stops24h 35m
Multiple Airlines
Deal found 23/1C$ 1,857
Wed 22/44:15 p.m.
YUL
-
SYD
2 stops24h 20m
Multiple Airlines
Tue 12/55:50 p.m.
SYD
-
YUL
2 stops36h 37m
Multiple Airlines
Deal found 23/1C$ 1,867
Sun 8/26:45 a.m.
YUL
-
SYD
3 stops32h 10m
Multiple Airlines
Wed 18/38:30 p.m.
SYD
-
YUL
2 stops25h 35m
Multiple Airlines
Deal found 23/1C$ 1,868
Sun 22/28:50 p.m.
YUL
-
SYD
1 stop30h 00m
Qatar Airways
Mon 9/33:50 p.m.
SYD
-
YUL
1 stop38h 15m
Qatar Airways
Deal found 23/1C$ 1,870

Find flight deals from Pierre Elliott Trudeau Intl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 January 2026.

Round-trip from

C$ 1,795

One-way from

C$ 781

Popular in

December

Cheapest in

May

Average price

C$ 2,592
21/2-28/2
  • 21/2-28/2
  • 6 total stops
  • 70h 47m total
  • Montreal to Sydney
Search Deals
6/3
  • 6/3
  • 3 total stops
  • 37h 50m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 307 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Sydney 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 24 January 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Sydney

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

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

2 stops32h 10m

Sydney Kingsford Smith

Wed 18/3

8:30 p.m.-7:05 a.m.

2 stops25h 35m

C$ 1,868

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

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

3 stops33h 10m

Sydney Kingsford Smith

Wed 8/4

8:30 p.m.-7:05 a.m.

2 stops24h 35m

C$ 1,868

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

6:45 a.m.-6:35 a.m.

3 stops33h 50m

Sydney Kingsford Smith

Sun 17/5

9:25 p.m.-11:44 a.m.

2 stops28h 19m

C$ 1,904

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:45 a.m.-6:35 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Sat 16/5

8:30 p.m.-12:42 a.m.

2 stops42h 12m

C$ 1,956

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

6:45 a.m.-6:35 a.m.

2 stops33h 50m

Sydney Kingsford Smith

Sat 30/5

8:30 p.m.-12:42 a.m.

2 stops42h 12m

C$ 1,958

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

6:45 a.m.-6:35 a.m.

3 stops33h 50m

Sydney Kingsford Smith

Sat 30/5

9:10 a.m.-12:42 a.m.

2 stops29h 32m

C$ 1,960

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

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

1 stop42h 00m

Sydney Kingsford Smith

Mon 23/2

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

1 stop38h 15m

C$ 1,965

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

6:45 a.m.-6:35 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Tue 12/5

9:25 p.m.-12:42 a.m.

2 stops41h 17m

C$ 1,996

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:45 a.m.-6:35 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Fri 15/5

5:50 p.m.-12:42 a.m.

2 stops44h 52m

C$ 1,996

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

6:45 a.m.-6:35 a.m.

2 stops57h 50m

Sydney Kingsford Smith

Sun 17/5

5:50 p.m.-12:42 a.m.

2 stops44h 52m

C$ 1,996

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

Showing 1-10 of 23 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Sydney. Price data was last updated on 16 January 2026.

The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 374). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in November is currently the most expensive (average of C$ 1,721). 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 Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 24 January 2026.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, such as Air New Zealand,Porter Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very good
574 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very good
574 reviews
Air New Zealand
8.0
Very good
574 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Porter Airlines
7.9
Good
412 reviews
Air New Zealand
8.0
Very good
574 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Delta
7.9
Good
8,115 reviews
Air New Zealand
8.0
Very good
574 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
United Airlines
7.4
Good
9,196 reviews
Air New Zealand
8.0
Very good
574 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air Canada
7.1
Good
10,653 reviews
Air New Zealand
8.0
Very good
574 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Related info for your journey

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

  • What airport do you fly into for flights to Sydney from Montreal Pierre Elliott Trudeau Intl?

    If you book a flight to Sydney from Montreal Pierre Elliott Trudeau Intl, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Montreal Pierre Elliott Trudeau Intl to Kingsford Smith per day from 8 different airlines.

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

    Airlines like Qantas Airways fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in about 57h 50m. The time it takes to get you to your destination can typically vary by up to . Montreal Pierre Elliott Trudeau Intl Airport and Sydney are separated by a distance of 16011 km.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney round-trip?

    Flying on Porter Airlines is currently your cheapest option to Sydney, with prices starting at C$ 295. Additional round-trip tickets that might be worth considering are offered by WestJet and Delta, with the lowest prices starting at C$ 328 and C$ 449, respectively. Porter Airlines is priced at 86% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as C$ 1,068 on Air Canada. Other airlines that offer cheap prices include Qatar Airways from C$ 1,140 and United Airlines from C$ 1,515 one-way.

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

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

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

    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 Sydney.

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Sydney 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 Sydney?

    Currently, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 374). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in November is currently the most expensive (average of C$ 1,721). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Penrith
Parramatta

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Fly from Pierre Elliott Trudeau Intl to Sydney on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 24 January 2026.
Air Canada flights from Montreal Pierre Elliott Trudeau Intl to Sydney Kingsford Smith
United Airlines flights from Montreal Pierre Elliott Trudeau Intl to Sydney Kingsford Smith

Top 8 airlines flying from Pierre Elliott Trudeau Intl to Sydney

Discover the top 8 airlines that operate flights from Pierre Elliott Trudeau Intl to Sydney. 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 24 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 295AverageC$ 380FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 328AverageC$ 507FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 449AverageC$ 1,299FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,102AverageC$ 1,818FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,507AverageC$ 2,244FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,662AverageC$ 2,291FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,724AverageC$ 1,851FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 2,011AverageC$ 2,302FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Sydney from Pierre Elliott Trudeau Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

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