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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 838

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
16 May — 23 May1
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
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 16 April 2026.

Sun 19/412:42 p.m.
YUL
-
SYD
2 stops28h 08m
Delta
Mon 4/59:15 a.m.
SYD
-
YUL
2 stops27h 53m
Delta
Deal found 14/4C$ 1,545
Sat 29/87:15 a.m.
YUL
-
SYD
3 stops38h 35m
Multiple Airlines
Fri 18/91:15 p.m.
SYD
-
YUL
3 stops31h 50m
Multiple Airlines
Deal found 14/4C$ 1,549
Mon 11/57:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Mon 25/59:15 a.m.
SYD
-
YUL
2 stops28h 26m
Delta
Deal found 16/4C$ 1,553
Sat 9/512:40 p.m.
YUL
-
SYD
2 stops52h 10m
Delta
Thu 11/69:15 a.m.
SYD
-
YUL
2 stops28h 13m
Delta
Deal found 14/4C$ 1,585
Sat 2/512:55 p.m.
YUL
-
SYD
2 stops51h 55m
Delta
Sat 16/59:15 a.m.
SYD
-
YUL
2 stops27h 58m
Delta
Deal found 16/4C$ 1,593
Sat 2/57:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Sat 23/59:15 a.m.
SYD
-
YUL
2 stops40h 44m
Delta
Deal found 14/4C$ 1,625
Fri 1/57:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Fri 15/59:15 a.m.
SYD
-
YUL
2 stops40h 20m
Delta
Deal found 15/4C$ 1,632
Tue 28/412:55 p.m.
YUL
-
SYD
2 stops27h 55m
Delta
Mon 1/69:15 a.m.
SYD
-
YUL
2 stops52h 42m
Delta
Deal found 12/4C$ 1,768
Mon 11/57:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Tue 19/59:15 a.m.
SYD
-
YUL
2 stops28h 26m
Delta
Deal found 11/4C$ 1,769
Wed 22/412:55 p.m.
YUL
-
SYD
2 stops27h 55m
Delta
Wed 13/59:15 a.m.
SYD
-
YUL
2 stops28h 26m
Delta
Deal found 14/4C$ 1,771
Sun 24/57:10 a.m.
YUL
-
SYD
2 stops33h 40m
Delta
Sun 7/69:15 a.m.
SYD
-
YUL
2 stops28h 13m
Delta
Deal found 12/4C$ 1,776

Find 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 16 April 2026.

Round-trip from

C$ 1,545

One-way from

C$ 838

Popular in

December

Cheapest in

May

Average price

C$ 2,113
Delta
  • Delta
  • 9/5-14/6
  • 4 total stops
  • 85h 53m total
  • Montreal to Sydney
Search Deals
29/7
  • 29/7
  • 3 total stops
  • 38h 35m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 251 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 16 April 2026.
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 - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

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

2 stops33h 50m

Sydney Kingsford Smith

Fri 15/5

9:15 a.m.-11:35 a.m.

2 stops40h 20m

C$ 1,632

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

12:55 p.m.-6:50 a.m.

2 stops27h 55m

Sydney Kingsford Smith

Tue 12/5

9:15 a.m.-11:59 a.m.

2 stops40h 44m

C$ 1,768

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

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

2 stops33h 50m

Sydney Kingsford Smith

Wed 13/5

9:15 a.m.-11:41 p.m.

2 stops28h 26m

C$ 1,768

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

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

2 stops34h 50m

Sydney Kingsford Smith

Sun 7/6

9:15 a.m.-11:28 p.m.

2 stops28h 13m

C$ 1,771

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

7:00 a.m.-6:35 a.m.

3 stops33h 35m

Sydney Kingsford Smith

Wed 13/5

9:10 a.m.-9:37 p.m.

2 stops26h 27m

C$ 1,969

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

9:35 p.m.-5:30 p.m.

1 stop29h 55m

Sydney Kingsford Smith

Sun 10/5

8:45 p.m.-4:10 p.m.

1 stop33h 25m

C$ 1,978

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

7:00 a.m.-6:25 a.m.

3 stops33h 25m

Sydney Kingsford Smith

Mon 1/6

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

3 stops31h 54m

C$ 1,989

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

9:35 p.m.-6:10 a.m.

1 stop42h 35m

Sydney Kingsford Smith

Thu 10/9

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

1 stop37h 55m

C$ 2,050
Quickest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 29/6

3:48 p.m.-6:55 a.m.

1 stop25h 07m

Sydney Kingsford Smith

Thu 9/7

8:30 p.m.-7:05 a.m.

2 stops24h 35m

C$ 2,070

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

9:35 p.m.-6:10 a.m.

1 stop42h 35m

Sydney Kingsford Smith

Wed 7/10

6:25 p.m.-2:45 p.m.

2 stops59h 20m

C$ 2,109

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 10 April 2026.

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, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 435). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in November is currently the most expensive (average of C$ 1,795). 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?

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 16 April 2026.
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
627 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very good
627 reviews
Air New Zealand
8.0
Very good
627 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Delta
7.9
Good
8,412 reviews
Air New Zealand
8.0
Very good
627 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qatar Airways
7.4
Good
3,730 reviews
Air New Zealand
8.0
Very good
627 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,598 reviews
Air New Zealand
8.0
Very good
627 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
10,930 reviews
Air New Zealand
8.0
Very good
627 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.4

Boarding

8.2

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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 Delta fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in about 33h 50m. 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 Porter Airlines is currently your cheapest option to Sydney, with prices starting at C$ 278. Additional round-trip tickets that might be worth considering are offered by WestJet and Delta, with the lowest prices starting at C$ 361 and C$ 499, respectively. Porter Airlines is priced at 87% 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$ 989 on Qatar Airways. Other airlines that offer cheap prices include Air Canada from C$ 1,119 and United Airlines from C$ 1,244 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, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 435). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in November is currently the most expensive (average of C$ 1,795). 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

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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 16 April 2026.
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 16 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 278AverageC$ 455FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 361AverageC$ 572FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 499AverageC$ 1,298FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,102AverageC$ 1,715FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,507AverageC$ 2,214FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,616AverageC$ 2,333FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,785AverageC$ 2,232FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 1,974AverageC$ 2,163FlexibilityNo 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?

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.

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