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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 763

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
9 Apr — 16 Apr1
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 10 March 2026.

Mon 9/34:45 p.m.
YUL
-
SYD
2 stops25h 30m
United Airlines
Tue 24/312:10 p.m.
SYD
-
YUL
2 stops24h 32m
United Airlines
Deal found 5/3C$ 1,745
Mon 30/32:20 p.m.
YUL
-
SYD
2 stops26h 40m
United Airlines
Wed 15/49:30 a.m.
SYD
-
YUL
2 stops24h 15m
United Airlines
Deal found 6/3C$ 1,746
Tue 1/96:35 p.m.
YUL
-
SYD
1 stop22h 20m
United Airlines
Tue 15/99:30 a.m.
SYD
-
YUL
2 stops39h 10m
United Airlines
Deal found 7/3C$ 1,748
Sun 2/86:35 p.m.
YUL
-
SYD
1 stop22h 20m
United Airlines
Wed 12/810:20 a.m.
SYD
-
YUL
1 stop35h 56m
United Airlines
Deal found 9/3C$ 1,749
Sun 15/32:13 p.m.
YUL
-
SYD
2 stops26h 52m
United Airlines
Tue 24/311:50 a.m.
SYD
-
YUL
2 stops24h 52m
United Airlines
Deal found 7/3C$ 1,750
Mon 7/96:35 p.m.
YUL
-
SYD
1 stop22h 20m
United Airlines
Wed 30/99:30 a.m.
SYD
-
YUL
2 stops26h 36m
United Airlines
Deal found 7/3C$ 1,752
Tue 15/96:35 p.m.
YUL
-
SYD
1 stop22h 20m
United Airlines
Tue 22/99:30 a.m.
SYD
-
YUL
2 stops25h 56m
United Airlines
Deal found 6/3C$ 1,753
Mon 7/96:35 p.m.
YUL
-
SYD
1 stop22h 20m
United Airlines
Mon 28/910:20 a.m.
SYD
-
YUL
2 stops38h 20m
United Airlines
Deal found 8/3C$ 1,761
Wed 1/42:20 p.m.
YUL
-
SYD
2 stops26h 40m
United Airlines
Tue 14/49:30 a.m.
SYD
-
YUL
2 stops28h 43m
United Airlines
Deal found 5/3C$ 1,765
Wed 1/49:45 a.m.
YUL
-
SYD
2 stops31h 15m
United Airlines
Sun 19/49:30 a.m.
SYD
-
YUL
2 stops28h 43m
United Airlines
Deal found 9/3C$ 1,767
Sun 8/37:00 a.m.
YUL
-
SYD
2 stops32h 20m
United Airlines
Thu 9/49:30 a.m.
SYD
-
YUL
2 stops39h 10m
United Airlines
Deal found 5/3C$ 1,782
Fri 14/86:35 p.m.
YUL
-
SYD
1 stop22h 20m
United Airlines
Wed 2/99:30 a.m.
SYD
-
YUL
2 stops36h 46m
United Airlines
Deal found 5/3C$ 1,784

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 10 March 2026.

Round-trip from

C$ 1,746

One-way from

C$ 763

Popular in

January

Cheapest in

March

Average price

C$ 1,999
United Airlines
  • United Airlines
  • 30/3-15/4
  • 4 total stops
  • 50h 55m total
  • Montreal to Sydney
Search Deals
1/5
  • 1/5
  • 3 total stops
  • 39h 05m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 244 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 March 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 10 March 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

Sun 23/8

6:35 p.m.-6:55 a.m.

1 stop22h 20m

Sydney Kingsford Smith

Sun 30/8

10:20 a.m.-8:16 a.m.

1 stop35h 56m

C$ 1,749

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

3:25 p.m.-7:00 a.m.

2 stops25h 35m

Sydney Kingsford Smith

Wed 29/4

9:30 a.m.-10:06 p.m.

2 stops26h 36m

C$ 1,749

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

7:10 a.m.-6:50 a.m.

2 stops33h 40m

Sydney Kingsford Smith

Sun 24/5

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

2 stops28h 26m

C$ 1,761

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

12:49 p.m.-6:50 a.m.

2 stops52h 01m

Sydney Kingsford Smith

Sat 30/5

9:15 a.m.-11:13 p.m.

2 stops27h 58m

C$ 1,784
Quickest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

3:25 p.m.-7:00 a.m.

2 stops25h 35m

Sydney Kingsford Smith

Fri 17/4

9:30 a.m.-7:45 p.m.

2 stops24h 15m

C$ 1,788

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 14/8

6:35 p.m.-6:55 a.m.

1 stop22h 20m

Sydney Kingsford Smith

Fri 28/8

10:20 a.m.-8:16 a.m.

1 stop35h 56m

C$ 1,821

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 1/8

6:35 p.m.-6:55 a.m.

1 stop22h 20m

Sydney Kingsford Smith

Sat 8/8

10:20 a.m.-8:25 a.m.

1 stop36h 05m

C$ 1,822

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

9:45 a.m.-8:00 a.m.

2 stops31h 15m

Sydney Kingsford Smith

Tue 14/4

10:20 a.m.-10:40 a.m.

2 stops38h 20m

C$ 1,856

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

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

3 stops33h 50m

Sydney Kingsford Smith

Tue 26/5

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

2 stops28h 19m

C$ 1,867

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

9:35 p.m.-7:10 a.m.

1 stop42h 35m

Sydney Kingsford Smith

Tue 14/4

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

1 stop37h 55m

C$ 1,996

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 20 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
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 6 March 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, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 399). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of C$ 1,824). 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.

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 10 March 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
610 reviews
Check prices

Boarding

8.2

Food

7.4

Entertainment

7.4

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Air New Zealand
8.0
Very good
610 reviews
Air New Zealand
8.0
Very good
610 reviews
Check prices

Boarding

8.2

Food

7.4

Entertainment

7.4

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Delta
7.9
Good
8,276 reviews
Air New Zealand
8.0
Very good
610 reviews
Check prices

Boarding

8.2

Food

7.4

Entertainment

7.4

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Qatar Airways
7.4
Good
3,744 reviews
Air New Zealand
8.0
Very good
610 reviews
Check prices

Boarding

8.2

Food

7.4

Entertainment

7.4

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
United Airlines
7.4
Good
9,409 reviews
Air New Zealand
8.0
Very good
610 reviews
Check prices

Boarding

8.2

Food

7.4

Entertainment

7.4

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Air Canada
7.1
Good
10,800 reviews
Air New Zealand
8.0
Very good
610 reviews
Check prices

Boarding

8.2

Food

7.4

Entertainment

7.4

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

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 9 different airlines.

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

    Airlines like United Airlines and Delta fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in about 22h 20m. The time it takes to get you to your destination can typically vary by up to 11h 20m. 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 Porter Airlines is currently your cheapest option to Sydney, with prices starting at C$ 274. Additional round-trip tickets that might be worth considering are offered by WestJet and Delta, with the lowest prices starting at C$ 356 and C$ 443, 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$ 976 on Qatar Airways. Other airlines that offer cheap prices include Air Canada from C$ 1,104 and United Airlines from C$ 1,494 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$ 399). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of C$ 1,824). 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 10 March 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 9 airlines flying from Pierre Elliott Trudeau Intl to Sydney

Discover the top 9 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 274AverageC$ 448FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 356AverageC$ 549FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 443AverageC$ 866FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Fiji AirwaysCheapestC$ 972AverageC$ 985FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapestC$ 1,086AverageC$ 1,793FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,486AverageC$ 2,199FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,607AverageC$ 2,254FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,700AverageC$ 2,108FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 1,947AverageC$ 2,265FlexibilityNo 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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