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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 763

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

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

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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 26 November 2025.

Sat 6/121:00 p.m.YUL - SYD
2 stops25h 55mAir Canada
Mon 22/124:00 p.m.SYD - YUL
1 stop33h 08mAir Canada
Deal found 25/11C$ 1,764
Sat 6/121:00 p.m.YUL - SYD
2 stops25h 55mAir Canada
Mon 15/124:00 p.m.SYD - YUL
1 stop21h 00mAir Canada
Deal found 25/11C$ 1,778
Mon 1/126:20 p.m.YUL - SYD
1 stop44h 35mAir Canada
Mon 8/1211:20 a.m.SYD - YUL
1 stop24h 05mAir Canada
Deal found 24/11C$ 1,781
Thu 11/128:25 a.m.YUL - SYD
2 stops30h 30mAir Canada
Mon 15/124:00 p.m.SYD - YUL
3 stops34h 23mAir Canada
Deal found 25/11C$ 1,783
Thu 11/127:00 a.m.YUL - SYD
3 stops34h 35mAir Canada
Thu 25/1211:20 a.m.SYD - YUL
3 stops29h 12mAir Canada
Deal found 25/11C$ 1,878
Sat 6/121:25 p.m.YUL - SYD
1 stop25h 30mAir Canada
Sat 20/1211:20 a.m.SYD - YUL
1 stop37h 48mAir Canada
Deal found 24/11C$ 1,905
Tue 2/121:25 p.m.YUL - SYD
1 stop25h 30mAir Canada
Sun 28/1211:20 a.m.SYD - YUL
1 stop24h 05mAir Canada
Deal found 25/11C$ 1,988
Wed 24/129:00 p.m.YUL - SYD
1 stop41h 55mAir Canada
Wed 4/311:20 a.m.SYD - YUL
2 stops23h 54mAir Canada
Deal found 25/11C$ 2,039
Fri 28/119:00 a.m.YUL - SYD
1 stop32h 35mAir Canada
Thu 4/1211:20 a.m.SYD - YUL
2 stops22h 35mAir Canada
Deal found 25/11C$ 2,088

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 26 November 2025.

Round-trip from

C$ 1,381

One-way from

C$ 763

Popular in

December

Cheapest in

May

Average price

C$ 2,262
Delta
  • Delta
  • 23/1-10/2
  • 4 total stops
  • 59h 05m total
  • Montreal to Sydney
Search Deals
10/3
  • 10/3
  • 3 total stops
  • 38h 50m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 378 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 26 November 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

Thu 22/1

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

2 stops31h 50m

Sydney Kingsford Smith

Sun 8/2

10:40 a.m.-11:50 p.m.

2 stops29h 10m

C$ 1,381

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

7:00 a.m.-8:30 a.m.

2 stops33h 30m

Sydney Kingsford Smith

Sun 8/2

10:40 a.m.-11:50 p.m.

2 stops29h 10m

C$ 1,381

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 27/1

7:00 a.m.-8:30 a.m.

2 stops33h 30m

Sydney Kingsford Smith

Sat 28/2

10:40 a.m.-11:10 p.m.

2 stops28h 30m

C$ 1,381

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

6:00 a.m.-8:30 a.m.

2 stops34h 30m

Sydney Kingsford Smith

Thu 19/3

9:40 a.m.-11:40 p.m.

2 stops29h 00m

C$ 1,381

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

7:00 a.m.-8:30 a.m.

2 stops33h 30m

Sydney Kingsford Smith

Sun 15/2

10:40 a.m.-11:10 p.m.

2 stops28h 30m

C$ 1,381

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

6:00 a.m.-7:25 a.m.

2 stops34h 25m

Sydney Kingsford Smith

Fri 10/4

9:25 a.m.-11:59 p.m.

2 stops28h 34m

C$ 1,381

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

7:00 a.m.-8:30 a.m.

2 stops33h 30m

Sydney Kingsford Smith

Wed 11/2

10:40 a.m.-11:50 p.m.

2 stops29h 10m

C$ 1,381

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

7:00 a.m.-8:30 a.m.

2 stops33h 30m

Sydney Kingsford Smith

Sat 7/2

10:40 a.m.-11:50 p.m.

2 stops29h 10m

C$ 1,429

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

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

2 stops31h 50m

Sydney Kingsford Smith

Sat 7/2

2:15 p.m.-11:50 p.m.

2 stops25h 35m

C$ 1,429

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

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

2 stops31h 20m

Sydney Kingsford Smith

Fri 6/2

2:00 p.m.-9:17 p.m.

2 stops23h 17m

C$ 1,548

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/11

Showing 1-10 of 18 results
1
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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 21 November 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, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 389). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of C$ 1,814). 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 26 November 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 16% 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. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 26 November 2025.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, such as Porter Airlines,Air New Zealand, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
394 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air New Zealand
8.0
Very good
537 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,046 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,173 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,476 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 Delta fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in about 31h 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$ 302. Additional round-trip tickets that might be worth considering are offered by WestJet and Delta, with the lowest prices starting at C$ 336 and C$ 460, respectively. Porter Airlines is priced at 86% 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, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 389). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of C$ 1,814). 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 26 November 2025.
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 26 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 302AverageC$ 390FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 336AverageC$ 571FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 460AverageC$ 900FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,129AverageC$ 1,864FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,692AverageC$ 2,266FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapestC$ 1,768AverageC$ 1,872FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapestC$ 1,801AverageC$ 2,365FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qatar AirwaysCheapestC$ 2,073AverageC$ 2,361FlexibilityNo 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Pierre Elliott Trudeau Intl today with Cheapflights!

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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