Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 602

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
5 Aug — 12 Aug1
1 adult

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Sydney Kingsford Smith are usually found in May or April, booked 51 days in advance, depart on a Sunday or Thursday and return on a Thursday

Cheap 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 31 July 2025.

Round-trip from

C$ 1,777

One-way from

C$ 602

Popular in

December

Cheapest in

May

Average price

C$ 2,611
Air Canada
  • Air Canada
  • 24/8-8/9
  • 2 total stops
  • 44h 36m total
  • Montreal to Sydney
6/9
  • 6/9
  • 2 total stops
  • 41h 40m total
  • Montreal to Sydney
Highest demand for flights based on searches. 11% potential increase in price (C$ 391 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 61 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Pierre Elliott Trudeau Intl to Sydney

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 31 July 2025.

Sun 24/86:00 p.m.YUL - SYD
1 stop23h 20mAir Canada
Mon 8/99:20 a.m.SYD - YUL
1 stop21h 16mAir Canada
Deal found 30/7C$ 1,777
Sun 14/98:10 a.m.YUL - SYD
2 stops34h 35mMultiple Airlines
Sun 21/99:55 a.m.SYD - YUL
2 stops34h 58mMultiple Airlines
Deal found 31/7C$ 1,780
Sun 14/94:45 p.m.YUL - SYD
2 stops26h 00mAir New Zealand
Tue 28/411:50 a.m.SYD - YUL
2 stops26h 44mAir New Zealand
Deal found 30/7C$ 1,791

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 31 July 2025.
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 24/8

6:00 p.m.-7:20 a.m.

1 stop23h 20m

Sydney Kingsford Smith

Mon 8/9

9:20 a.m.-4:36 p.m.

1 stop21h 16m

C$ 1,777

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 14/9

8:10 a.m.-8:45 a.m.

2 stops34h 35m

Sydney Kingsford Smith

Sun 21/9

9:55 a.m.-6:53 a.m.

2 stops34h 58m

C$ 1,780

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 14/9

4:45 p.m.-8:45 a.m.

2 stops26h 00m

Sydney Kingsford Smith

Tue 28/4

11:50 a.m.-12:34 a.m.

2 stops26h 44m

C$ 1,791

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

7:00 a.m.-2:40 p.m.

2 stops41h 40m

C$ 602

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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 25 July 2025.

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, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 1,326). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in December is currently the most expensive (average of C$ 1,881). 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.

What is the cheapest time of day to fly from YUL to SYD?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2025.

When flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight in the afternoon.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Sydney. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Sydney flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.

Vancouver (YVR) – chosen by Cheapflights users on 83% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to Sydney on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 347.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 9h 07m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 58m.

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 31 July 2025.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, such as Air New Zealand and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.4

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.4

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.4

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

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.

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

    Flying on Air Canada is currently your cheapest option to Sydney, with prices starting at C$ 1,777. Another option worth looking into is Air New Zealand, starting at C$ 1,791 round trip. Air Canada is priced at 21% lower than the current average price of a flight leaving 3 months from now.

  • 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, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 1,326). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in December is currently the most expensive (average of C$ 1,881). 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.

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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 31 July 2025.

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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 296AverageC$ 382FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 330AverageC$ 560FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 452AverageC$ 1,351FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,108AverageC$ 2,186FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,492AverageC$ 2,200FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,720AverageC$ 2,272FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,734AverageC$ 1,839FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 2,310AverageC$ 2,316FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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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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