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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
29 Nov — 6 Dec1
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 30 October 2025.

Thu 30/108:55 a.m.YUL - SYD
2 stops33h 05mMultiple Airlines
Thu 6/1111:20 a.m.SYD - YUL
1 stop25h 40mMultiple Airlines
Deal found 29/10C$ 2,117
Mon 1/126:45 a.m.YUL - SYD
2 stops34h 15mMultiple Airlines
Wed 10/1211:20 a.m.SYD - YUL
2 stops29h 15mMultiple Airlines
Deal found 30/10C$ 2,118
Fri 14/117:30 a.m.YUL - SYD
2 stops31h 55mMultiple Airlines
Fri 28/115:45 p.m.SYD - YUL
2 stops31h 38mMultiple Airlines
Deal found 29/10C$ 2,129
Sun 7/1212:59 p.m.YUL - SYD
2 stops28h 01mAmerican Airlines
Mon 22/1211:20 a.m.SYD - YUL
2 stops27h 19mAmerican Airlines
Deal found 30/10C$ 2,139
Sat 15/117:00 p.m.YUL - SYD
2 stops45h 45mAir New Zealand
Mon 15/121:55 p.m.SYD - YUL
2 stops42h 38mAir New Zealand
Deal found 27/10C$ 2,157
Wed 19/112:29 p.m.YUL - SYD
2 stops26h 31mAmerican Airlines
Mon 8/1211:20 a.m.SYD - YUL
2 stops27h 20mAmerican Airlines
Deal found 27/10C$ 2,159
Sun 16/112:29 p.m.YUL - SYD
2 stops26h 31mAmerican Airlines
Sun 23/1111:20 a.m.SYD - YUL
2 stops27h 20mAmerican Airlines
Deal found 29/10C$ 2,162
Thu 27/118:25 a.m.YUL - SYD
2 stops32h 20mAir New Zealand
Thu 4/129:55 a.m.SYD - YUL
2 stops36h 49mAir New Zealand
Deal found 30/10C$ 2,163
Wed 29/102:13 p.m.YUL - SYD
2 stops25h 47mUnited Airlines
Wed 5/1111:20 a.m.SYD - YUL
2 stops24h 28mUnited Airlines
Deal found 28/10C$ 2,164
Mon 3/112:13 p.m.YUL - SYD
2 stops27h 02mUnited Airlines
Mon 24/1111:20 a.m.SYD - YUL
2 stops26h 22mUnited Airlines
Deal found 29/10C$ 2,166

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 30 October 2025.

Round-trip from

C$ 2,086

One-way from

C$ 803

Popular in

December

Cheapest in

May

Average price

C$ 2,310
Air Canada
  • Air Canada
  • 18/2-26/2
  • 3 total stops
  • 52h 15m total
  • Montreal to Sydney
Search Deals
3/12
  • 3/12
  • 3 total stops
  • 59h 05m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 387 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 30 October 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

Tue 17/3

9:00 a.m.-8:35 a.m.

1 stop32h 35m

Sydney Kingsford Smith

Wed 22/4

9:20 a.m.-5:32 p.m.

2 stops22h 12m

C$ 2,128

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

12:59 p.m.-9:00 a.m.

2 stops28h 01m

Sydney Kingsford Smith

Mon 8/12

11:20 a.m.-10:59 p.m.

2 stops27h 39m

C$ 2,163

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

2:13 p.m.-9:05 a.m.

2 stops26h 52m

Sydney Kingsford Smith

Tue 7/4

9:30 a.m.-9:01 p.m.

2 stops25h 31m

C$ 2,166

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

9:15 a.m.-6:20 a.m.

2 stops29h 05m

Sydney Kingsford Smith

Tue 17/2

11:50 a.m.-9:17 p.m.

2 stops25h 27m

C$ 2,166

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

9:15 a.m.-6:20 a.m.

2 stops29h 05m

Sydney Kingsford Smith

Tue 24/2

12:10 p.m.-7:48 p.m.

2 stops23h 38m

C$ 2,166

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

9:15 a.m.-6:20 a.m.

2 stops29h 05m

Sydney Kingsford Smith

Sun 15/2

11:20 a.m.-9:17 p.m.

2 stops25h 57m

C$ 2,166

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

2:13 p.m.-9:15 a.m.

2 stops27h 02m

Sydney Kingsford Smith

Wed 18/2

11:50 a.m.-9:42 p.m.

2 stops25h 52m

C$ 2,173

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

2:13 p.m.-9:15 a.m.

2 stops27h 02m

Sydney Kingsford Smith

Sun 22/2

11:50 a.m.-9:42 p.m.

2 stops25h 52m

C$ 2,173

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

2:13 p.m.-9:15 a.m.

2 stops27h 02m

Sydney Kingsford Smith

Tue 24/2

12:10 p.m.-9:17 p.m.

2 stops25h 07m

C$ 2,173

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

6:00 a.m.-9:15 a.m.

2 stops35h 15m

Sydney Kingsford Smith

Mon 8/12

12:10 p.m.-7:48 p.m.

2 stops23h 38m

C$ 2,173

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 21 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 24 October 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, July is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 385). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of C$ 1,799). 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 30 October 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.

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

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

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air New Zealand
8.0
Very good
520 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Delta
7.9
Good
7,998 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,995 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,382 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 Air Canada, American Airlines, and United Airlines fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in about 26h 52m. The time it takes to get you to your destination can typically vary by up to 5h 43m. Montreal Pierre Elliott Trudeau Intl Airport and Sydney are separated by a distance of 16011 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 299. Additional round-trip tickets that might be worth considering are offered by WestJet and Delta, with the lowest prices starting at C$ 333 and C$ 456, 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, July is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 385). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of C$ 1,799). 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?

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Bondi Beach
Penrith
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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 30 October 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 299AverageC$ 386FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 333AverageC$ 565FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 456AverageC$ 1,154FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,117AverageC$ 2,151FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,694AverageC$ 2,242FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapestC$ 1,750AverageC$ 1,853FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapestC$ 1,768AverageC$ 2,329FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qatar AirwaysCheapestC$ 2,051AverageC$ 2,336FlexibilityNo 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?

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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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