Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 707

YUL — SYD
22 Sep — 29 Sep1
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

Sat 17/107:15 a.m. -
3 stops48h 10m
Wed 28/102:00 p.m. -
3 stops40h 50m
Deal found 21/8C$ 1,760
Mon 14/99:45 a.m. -
2 stops33h 40m
Mon 19/1012:45 p.m. -
2 stops26h 54m
Deal found 19/8C$ 1,813
Tue 1/99:45 a.m. -
2 stops33h 40m
Tue 8/911:45 a.m. -
2 stops26h 54m
Deal found 18/8C$ 1,842
Wed 4/118:45 a.m. -
2 stops43h 30m
Tue 9/212:25 p.m. -
2 stops47h 10m
Deal found 20/8C$ 1,843
Mon 24/86:10 a.m. -
2 stops47h 00m
Sun 6/98:55 p.m. -
2 stops34h 35m
Deal found 19/8C$ 1,855
Sun 8/116:00 a.m. -
2 stops46h 15m
Wed 18/1112:25 p.m. -
2 stops47h 10m
Deal found 20/8C$ 1,864
Sun 30/86:10 a.m. -
2 stops47h 00m
Mon 14/911:45 a.m. -
2 stops26h 54m
Deal found 21/8C$ 1,872

Find flight deals from Pierre Elliott Trudeau Intl to Sydney

Round-trip from

C$ 1,760

One-way from

C$ 707

Popular in

January

Cheapest in

May

Average price

C$ 1,904
17/10-28/10
  • 17/10-28/10
  • 6 total stops
  • 89h 00m total
  • Montreal to Sydney
Search Deals
Delta
  • Delta
  • 31/8
  • 2 total stops
  • 33h 50m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 260 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 24/1

9:10 p.m.-7:20 p.m.

1 stop30h 10m

Sydney Kingsford Smith

Fri 5/2

7:30 p.m.-2:05 p.m.

2 stops34h 35m

C$ 1,891

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

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

3 stops33h 50m

Sydney Kingsford Smith

Fri 25/9

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

2 stops28h 19m

C$ 2,242

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

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

3 stops33h 50m

Sydney Kingsford Smith

Fri 18/9

5:50 p.m.-11:44 a.m.

3 stops31h 54m

C$ 2,245

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 28/11

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

3 stops31h 50m

Sydney Kingsford Smith

Sat 12/12

5:20 p.m.-11:25 a.m.

3 stops34h 05m

C$ 2,307

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

7:15 a.m.-7:30 a.m.

2 stops57h 15m

Sydney Kingsford Smith

Thu 22/10

8:30 p.m.-11:45 p.m.

2 stops42h 15m

C$ 2,358

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

4:50 p.m.-8:30 a.m.

2 stops47h 40m

Sydney Kingsford Smith

Mon 21/12

10:40 a.m.-11:35 p.m.

2 stops52h 55m

C$ 2,369

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

7:15 a.m.-6:35 a.m.

2 stops33h 20m

Sydney Kingsford Smith

Fri 18/9

12:00 p.m.-4:53 p.m.

2 stops42h 53m

C$ 2,377
Quickest round-trip

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

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

2 stops33h 50m

Sydney Kingsford Smith

Wed 21/10

10:15 a.m.-11:22 p.m.

2 stops28h 07m

C$ 2,388
Cheapest one-way

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

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

2 stops33h 50m

C$ 707

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

6:45 a.m.-7:30 a.m.

2 stops34h 45m

C$ 1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/8

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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

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 best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney is 87 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, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 1,646). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in January is currently the most expensive (average of C$ 2,564). 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 to fly round-trip 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 C$ 1,862 and C$ 2,431 in October.
The cheapest round-trip price found within the last 5 days was C$ 1,760 on Multiple Airlines (17 Oct-28 Oct).

Reviews of airlines servicing Sydney

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

Food

7.5

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air New Zealand
8.0
Very good
663 reviews
Air New Zealand
8.0
Very good
663 reviews
Check prices

Food

7.5

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Delta
7.8
Good
8,515 reviews
Air New Zealand
8.0
Very good
663 reviews
Check prices

Food

7.5

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Qatar Airways
7.4
Good
3,735 reviews
Air New Zealand
8.0
Very good
663 reviews
Check prices

Food

7.5

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
United Airlines
7.4
Good
10,113 reviews
Air New Zealand
8.0
Very good
663 reviews
Check prices

Food

7.5

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air Canada
7.1
Good
11,522 reviews
Air New Zealand
8.0
Very good
663 reviews
Check prices

Food

7.5

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.

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 7.5 km from the centre of Sydney. There are 0 flights from Montreal Pierre Elliott Trudeau Intl to Kingsford Smith per day from 6 different airlines.

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

    Airlines like Qatar Airways fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in about 30h 10m. 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 Delta is currently your cheapest option to Sydney, with prices starting at C$ 499. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and United Airlines, with the lowest prices starting at C$ 1,169 and C$ 1,452, respectively. Delta is priced at 77% 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$ 990 on Qatar Airways. Other airlines that offer cheap prices include Air Canada from C$ 1,068 and Air New Zealand from C$ 1,232 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, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 1,646). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in January is currently the most expensive (average of C$ 2,564). 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

Browse thousands of different options on Cheapflights for your next trip

Fly from Pierre Elliott Trudeau Intl to Sydney on these airlines

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 6 airlines flying from Pierre Elliott Trudeau Intl to Sydney

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 499AverageC$ 1,305FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,169AverageC$ 1,716FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,452AverageC$ 2,223FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,663AverageC$ 2,365FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,785AverageC$ 2,378FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 1,793AverageC$ 2,164FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.