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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 938

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

Wed 4/114:06 p.m. -
2 stops24h 54m
Wed 11/1111:10 a.m. -
2 stops27h 43m
Deal found 20/9C$ 1,679
Tue 10/1112:10 p.m. -
2 stops26h 15m
Wed 10/28:30 p.m. -
2 stops31h 00m
Deal found 20/9C$ 1,680
Thu 3/126:45 a.m. -
2 stops31h 50m
Sun 13/127:40 p.m. -
3 stops31h 45m
Deal found 21/9C$ 1,683
Sun 18/108:00 p.m. -
2 stops43h 35m
Sun 25/1011:15 a.m. -
2 stops67h 35m
Deal found 18/9C$ 1,687
Wed 21/103:45 p.m. -
2 stops25h 20m
Wed 28/101:05 p.m. -
1 stop40h 41m
Deal found 20/9C$ 1,690
Wed 4/1112:10 p.m. -
2 stops26h 15m
Wed 11/117:40 p.m. -
3 stops31h 45m
Deal found 20/9C$ 1,693
Sun 27/91:06 p.m. -
2 stops27h 59m
Wed 7/1010:10 a.m. -
2 stops27h 42m
Deal found 19/9C$ 1,694
Sun 27/91:06 p.m. -
2 stops27h 59m
Mon 26/1011:10 a.m. -
2 stops26h 42m
Deal found 20/9C$ 1,696
Sun 20/93:45 p.m. -
2 stops25h 45m
Sun 27/95:30 p.m. -
3 stops32h 14m
Deal found 19/9C$ 1,697
Mon 2/111:04 p.m. -
2 stops27h 56m
Mon 16/1111:10 a.m. -
2 stops27h 43m
Deal found 21/9C$ 1,700

Find flight deals from Pierre Elliott Trudeau Intl to Sydney

Round-trip from

C$ 1,658

One-way from

C$ 938

Popular in

December

Cheapest in

May

Average price

C$ 2,360
1/2-15/3
  • 1/2-15/3
  • 5 total stops
  • 61h 12m total
  • Montreal to Sydney
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 20/3-31/12
  • 2 total stops
  • 60h 05m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 344 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 46 potential savings vs. average RT 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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Route

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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 31/1

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

2 stops31h 40m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 985

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 8/2

6:15 p.m.-6:50 a.m.

2 stops44h 35m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,156

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 16/1

2:45 p.m.-6:50 a.m.

2 stops48h 05m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,215

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 29/12

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

2 stops46h 00m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,217

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 24/2

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

1 stop41h 45m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,308
Quickest round-trip

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 8/2

9:05 p.m.-6:20 p.m.

1 stop29h 15m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,458

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 20/3

10:05 p.m.-6:20 p.m.

1 stop29h 15m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,488

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 8/3

6:45 a.m.-6:55 a.m.

2 stops32h 10m

Sydney Kingsford Smith

Thu 8/4

6:15 p.m.-11:44 a.m.

3 stops31h 29m

C$ 1,719

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 17/2

9:05 p.m.-6:20 p.m.

1 stop29h 15m

Sydney Kingsford Smith

Wed 24/2

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

1 stop31h 55m

C$ 1,993

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 28/2

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

2 stops31h 50m

Sydney Kingsford Smith

Tue 30/3

10:15 a.m.-12:15 p.m.

2 stops41h 00m

C$ 2,020

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/9

Showing 1-10 of 19 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$ 1,677). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in December is currently the most expensive (average of C$ 2,620). 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$ 2,104 and C$ 2,468 in February.
The cheapest round-trip price found within the last 5 days was C$ 1,658 on Multiple Airlines (1 Feb-15 Mar).

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
669 reviews
Check prices

Entertainment

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.5

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
669 reviews
Air New Zealand
8.0
Very good
669 reviews
Check prices

Entertainment

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.5

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
8,595 reviews
Air New Zealand
8.0
Very good
669 reviews
Check prices

Entertainment

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.5

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
10,229 reviews
Air New Zealand
8.0
Very good
669 reviews
Check prices

Entertainment

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.5

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
3,732 reviews
Air New Zealand
8.0
Very good
669 reviews
Check prices

Entertainment

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.5

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
11,667 reviews
Air New Zealand
8.0
Very good
669 reviews
Check prices

Entertainment

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.5

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 29h 15m. The time it takes to get you to your destination can typically vary by up to 2h 35m. 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$ 509. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and United Airlines, with the lowest prices starting at C$ 1,193 and C$ 1,482, 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$ 1,010 on Qatar Airways. Other airlines that offer cheap prices include Air Canada from C$ 1,090 and Air New Zealand from C$ 1,257 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$ 1,677). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in December is currently the most expensive (average of C$ 2,620). 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$ 509AverageC$ 1,354FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,193AverageC$ 1,751FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,482AverageC$ 2,306FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,642AverageC$ 2,428FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qatar AirwaysCheapestC$ 1,807AverageC$ 2,198FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air New ZealandCheapestC$ 1,822AverageC$ 2,432FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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