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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 921

YUL — SYD
2 Oct — 9 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

Mon 31/89:45 a.m. -
2 stops33h 40m
Mon 14/911:45 a.m. -
2 stops26h 54m
Deal found 30/8C$ 1,775
Sun 1/116:00 a.m. -
2 stops46h 15m
Sun 15/1112:25 p.m. -
2 stops47h 10m
Deal found 31/8C$ 1,875
Thu 5/119:10 p.m. -
1 stop41h 40m
Wed 11/112:00 p.m. -
2 stops40h 05m
Deal found 30/8C$ 1,880
Tue 10/111:10 p.m. -
2 stops39h 05m
Wed 10/212:25 p.m. -
2 stops36h 07m
Deal found 2/9C$ 1,883
Tue 1/96:10 a.m. -
2 stops37h 15m
Mon 7/911:45 a.m. -
2 stops67h 45m
Deal found 31/8C$ 1,886
Sun 18/108:35 a.m. -
2 stops34h 50m
Sun 1/119:45 p.m. -
2 stops32h 15m
Deal found 2/9C$ 1,900
Sun 25/109:35 a.m. -
2 stops33h 55m
Sun 1/119:45 p.m. -
2 stops32h 15m
Deal found 31/8C$ 1,908
Thu 3/96:10 a.m. -
2 stops47h 00m
Tue 8/98:55 p.m. -
2 stops38h 31m
Deal found 2/9C$ 1,910
Sun 25/108:00 a.m. -
1 stop31h 25m
Thu 29/102:00 p.m. -
3 stops41h 30m
Deal found 1/9C$ 1,918
Wed 21/106:10 a.m. -
2 stops37h 15m
Fri 30/1012:25 p.m. -
2 stops47h 52m
Deal found 31/8C$ 1,937
Thu 29/108:45 a.m. -
2 stops44h 30m
Mon 19/411:45 a.m. -
2 stops40h 06m
Deal found 30/8C$ 1,940
Fri 16/106:30 p.m. -
1 stop46h 00m
Fri 23/102:15 p.m. -
2 stops31h 29m
Deal found 1/9C$ 1,941

Find flight deals from Pierre Elliott Trudeau Intl to Sydney

Round-trip from

C$ 1,875

One-way from

C$ 921

Popular in

January

Cheapest in

May

Average price

C$ 2,309
1/11-15/11
  • 1/11-15/11
  • 4 total stops
  • 93h 25m total
  • Montreal to Sydney
Search Deals
1/10
  • 1/10
  • 3 total stops
  • 34h 45m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 289 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 September 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.

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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$ 1,890

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 31/1

6:15 p.m.-8:30 a.m.

2 stops46h 15m

Sydney Kingsford Smith

Wed 31/3

10:15 a.m.-11:35 p.m.

2 stops28h 20m

C$ 2,012

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 15/12

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

2 stops34h 30m

Sydney Kingsford Smith

Wed 13/1

10:40 a.m.-11:51 p.m.

2 stops29h 11m

C$ 2,108

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 5/2

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

2 stops33h 30m

Sydney Kingsford Smith

Sat 27/3

9:40 a.m.-11:44 a.m.

2 stops41h 04m

C$ 2,128

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

12:10 p.m.-6:55 a.m.

2 stops26h 45m

Sydney Kingsford Smith

Wed 10/2

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

3 stops31h 00m

C$ 2,304

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

9:05 p.m.-6:50 a.m.

1 stop41h 45m

Sydney Kingsford Smith

Mon 21/12

10:10 p.m.-2:05 p.m.

1 stop31h 55m

C$ 2,378
Quickest round-trip

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 13/1

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

2 stops31h 20m

Sydney Kingsford Smith

Wed 27/1

1:20 p.m.-9:17 p.m.

2 stops23h 57m

C$ 2,521

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 5/2

9:10 p.m.-6:20 p.m.

1 stop29h 10m

Sydney Kingsford Smith

Tue 30/3

9:55 p.m.-2:45 p.m.

1 stop31h 50m

C$ 2,568

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 21/1

6:45 a.m.-6:25 a.m.

3 stops31h 40m

Sydney Kingsford Smith

Thu 28/1

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

2 stops31h 00m

C$ 2,582

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 24/1

3:52 p.m.-9:00 a.m.

2 stops25h 08m

Sydney Kingsford Smith

Fri 5/2

7:40 p.m.-3:07 p.m.

3 stops35h 27m

C$ 2,837

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 18 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$ 1,661). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in January is currently the most expensive (average of C$ 2,587). 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$ 1,986 and C$ 2,426 in November.
The cheapest round-trip price found within the last 5 days was C$ 1,875 on Multiple Airlines (1 Nov-15 Nov).

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, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very good
668 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.4

Comfort

7.9

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Air New Zealand
8.0
Very good
668 reviews
Air New Zealand
8.0
Very good
668 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.4

Comfort

7.9

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Delta
7.8
Good
8,547 reviews
Air New Zealand
8.0
Very good
668 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.4

Comfort

7.9

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
United Airlines
7.4
Good
10,159 reviews
Air New Zealand
8.0
Very good
668 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.4

Comfort

7.9

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Qatar Airways
7.3
Good
3,729 reviews
Air New Zealand
8.0
Very good
668 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.4

Comfort

7.9

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Air Canada
7.1
Good
11,573 reviews
Air New Zealand
8.0
Very good
668 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.4

Comfort

7.9

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

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 and Delta 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 16h 05m. 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 Delta is currently your cheapest option to Sydney, with prices starting at C$ 503. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and United Airlines, with the lowest prices starting at C$ 1,180 and C$ 1,465, 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$ 998 on Qatar Airways. Other airlines that offer cheap prices include Air Canada from C$ 1,078 and Air New Zealand from C$ 1,243 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$ 1,661). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in January is currently the most expensive (average of C$ 2,587). 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
Parramatta

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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$ 503AverageC$ 1,338FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,180AverageC$ 1,731FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,465AverageC$ 2,264FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,674AverageC$ 2,402FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qatar AirwaysCheapestC$ 1,786AverageC$ 2,172FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air New ZealandCheapestC$ 1,801AverageC$ 2,404FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Sydney become cheaper?

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