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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from £615

YUL — SYD
23 Oct — 30 Oct1
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

Tue 10/1112:10 -
2 stops26h 15m
Wed 10/220:30 -
2 stops31h 00m
Deal found 22/9£895
Thu 3/1206:45 -
2 stops31h 50m
Sun 13/1219:40 -
3 stops31h 45m
Deal found 21/9£897
Wed 4/1112:10 -
2 stops26h 15m
Wed 11/1119:40 -
3 stops31h 45m
Deal found 20/9£902
Sun 20/915:45 -
2 stops25h 45m
Sun 27/917:30 -
3 stops32h 14m
Deal found 19/9£904
Mon 2/1113:04 -
2 stops27h 56m
Mon 16/1111:10 -
2 stops27h 43m
Deal found 21/9£906
Wed 4/1106:45 -
3 stops31h 40m
Mon 16/1119:40 -
3 stops31h 45m
Deal found 21/9£907
Thu 5/1106:45 -
3 stops31h 50m
Thu 12/1119:40 -
3 stops31h 45m
Deal found 21/9£927

Find flight deals from Pierre Elliott Trudeau Intl to Sydney

Round-trip from

£883

One-way from

£615

Popular in

December

Cheapest in

May

Average price

£1,258
8/2-1/3
  • 8/2-1/3
  • 5 total stops
  • 62h 10m total
  • Montreal to Sydney
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Delta
  • Delta
  • 24/2-31/12
  • 2 total stops
  • 27h 45m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£97 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney that are best for you.

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Price

Cheapest return flight

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 16/1

14:45-06:50

2 stops48h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

£645

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 29/12

18:30-08:30

2 stops46h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

£648

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 24/2

21:05-19:20

1 stop30h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

£698
Fastest return journey

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 8/2

21:05-18:20

1 stop29h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

£777

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 9/2

21:05-18:20

1 stop29h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

£777

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 14/1

21:05-17:05

3 stops52h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

£870

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

06:45-06:25

3 stops31h 40m

Sydney Kingsford Smith

Mon 16/11

19:40-11:25

3 stops31h 45m

£907

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

06:45-06:35

3 stops31h 50m

Sydney Kingsford Smith

Thu 12/11

19:40-11:25

3 stops31h 45m

£927

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 2/10

13:50-06:55

3 stops51h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

£943

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 17/2

21:05-18:20

1 stop29h 15m

Sydney Kingsford Smith

Wed 24/2

22:10-14:05

1 stop31h 55m

£1,062

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 17 resultsSorted by cheapest first
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 return price

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?

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of £894). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in December is currently the most expensive (average of £1,396). 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.

How much does it cost for a return flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?

Airfare is below average for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to Sydney flights typically cost between £1,121 and £1,315 in February.
The cheapest return price found within the last 5 days was £883 on Multiple Airlines (8 Feb–1 Mar).

Related info for your journey

  • 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 4.6 mi from the center of Sydney. There are 0 flights from Montreal Pierre Elliott Trudeau Intl to Kingsford Smith per day from 0 different airlines.

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

    Qatar Airways can get you from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in just under 29h 15m. Your travel time can differ by up to . There are 9949 mi between Montreal Pierre Elliott Trudeau Intl Airport and Sydney.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of £894). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in December is currently the most expensive (average of £1,396). 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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