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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 768

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
23 Mar — 30 Mar1
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 21 February 2026.

Sun 26/48:35 a.m.
YUL
-
SYD
2 stops37h 15m
Multiple Airlines
Sun 3/51:15 p.m.
SYD
-
YUL
2 stops31h 41m
Multiple Airlines
Deal found 18/2C$ 1,503
Wed 26/88:30 a.m.
YUL
-
SYD
2 stops44h 45m
Multiple Airlines
Fri 11/911:50 a.m.
SYD
-
YUL
2 stops26h 49m
Multiple Airlines
Deal found 20/2C$ 1,630
Mon 31/88:40 a.m.
YUL
-
SYD
2 stops34h 45m
Multiple Airlines
Mon 14/911:50 a.m.
SYD
-
YUL
2 stops26h 49m
Multiple Airlines
Deal found 20/2C$ 1,640
Mon 9/39:15 a.m.
YUL
-
SYD
2 stops31h 50m
United Airlines
Mon 23/310:25 a.m.
SYD
-
YUL
2 stops26h 17m
United Airlines
Deal found 20/2C$ 1,708
Tue 4/82:20 p.m.
YUL
-
SYD
2 stops26h 35m
United Airlines
Wed 19/89:30 a.m.
SYD
-
YUL
2 stops25h 56m
United Airlines
Deal found 19/2C$ 1,710
Sun 28/63:25 p.m.
YUL
-
SYD
2 stops25h 35m
United Airlines
Mon 20/710:20 a.m.
SYD
-
YUL
1 stop36h 05m
United Airlines
Deal found 20/2C$ 1,711
Sun 10/53:25 p.m.
YUL
-
SYD
2 stops25h 35m
United Airlines
Sun 31/59:30 a.m.
SYD
-
YUL
2 stops25h 56m
United Airlines
Deal found 19/2C$ 1,714
Fri 26/66:35 p.m.
YUL
-
SYD
1 stop22h 20m
United Airlines
Sun 19/710:20 a.m.
SYD
-
YUL
1 stop36h 05m
United Airlines
Deal found 20/2C$ 1,747
Thu 14/511:23 a.m.
YUL
-
SYD
2 stops29h 32m
United Airlines
Tue 2/610:20 a.m.
SYD
-
YUL
2 stops27h 53m
United Airlines
Deal found 19/2C$ 1,749
Sat 21/29:15 a.m.
YUL
-
SYD
2 stops29h 45m
United Airlines
Sat 28/212:10 p.m.
SYD
-
YUL
2 stops23h 38m
United Airlines
Deal found 20/2C$ 1,782
Fri 26/611:23 a.m.
YUL
-
SYD
2 stops29h 37m
United Airlines
Sat 18/710:20 a.m.
SYD
-
YUL
2 stops38h 20m
United Airlines
Deal found 20/2C$ 1,784
Thu 14/511:23 a.m.
YUL
-
SYD
2 stops29h 32m
United Airlines
Thu 28/59:30 a.m.
SYD
-
YUL
2 stops28h 43m
United Airlines
Deal found 19/2C$ 1,785

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 21 February 2026.

Round-trip from

C$ 1,503

One-way from

C$ 768

Popular in

December

Cheapest in

April

Average price

C$ 2,149
26/4-3/5
  • 26/4-3/5
  • 4 total stops
  • 68h 56m total
  • Montreal to Sydney
Search Deals
20/4
  • 20/4
  • 2 total stops
  • 28h 10m 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 February 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 21 February 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

Pierre Elliott Trudeau Intl

Fly to

Sydney

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

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

2 stops25h 00m

Sydney Kingsford Smith

Sun 22/3

11:50 a.m.-9:17 p.m.

2 stops24h 27m

C$ 1,711

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 3/8

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

1 stop22h 20m

Sydney Kingsford Smith

Mon 17/8

9:30 a.m.-10:40 a.m.

2 stops39h 10m

C$ 1,711

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

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

2 stops25h 35m

Sydney Kingsford Smith

Wed 3/6

10:20 a.m.-12:13 a.m.

2 stops27h 53m

C$ 1,714

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 28/6

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

2 stops25h 35m

Sydney Kingsford Smith

Fri 17/7

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

2 stops24h 15m

C$ 1,747

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 26/6

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

2 stops25h 35m

Sydney Kingsford Smith

Wed 15/7

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

1 stop36h 05m

C$ 1,747

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

2:13 p.m.-8:05 a.m.

2 stops26h 52m

Sydney Kingsford Smith

Fri 27/3

11:50 a.m.-9:42 p.m.

2 stops24h 52m

C$ 1,782

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 27/6

9:45 a.m.-6:55 a.m.

2 stops31h 10m

Sydney Kingsford Smith

Thu 16/7

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

1 stop36h 05m

C$ 1,784

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 28/3

4:45 p.m.-7:55 a.m.

2 stops48h 10m

Sydney Kingsford Smith

Sun 12/4

9:30 a.m.-10:40 a.m.

2 stops39h 10m

C$ 1,801

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

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

3 stops33h 50m

Sydney Kingsford Smith

Sun 31/5

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

2 stops28h 19m

C$ 1,924

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

3:00 p.m.-8:05 a.m.

2 stops26h 05m

Sydney Kingsford Smith

Tue 14/4

9:30 a.m.-12:13 a.m.

2 stops28h 43m

C$ 1,926

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/2

Showing 1-10 of 17 results
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 20 February 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$ 368). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in October is currently the most expensive (average of C$ 1,692). 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 21 February 2026.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, such as Porter Airlines,Delta, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
419 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
419 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Delta
7.9
Good
8,241 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Qatar Airways
7.4
Good
3,739 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
United Airlines
7.4
Good
9,341 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,735 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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 fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in about 25h. 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$ 293. Additional round-trip tickets that might be worth considering are offered by WestJet and Delta, with the lowest prices starting at C$ 314 and C$ 447, 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$ 984 on Qatar Airways. Other airlines that offer cheap prices include Air Canada from C$ 1,113 and United Airlines from C$ 1,507 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$ 368). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in October is currently the most expensive (average of C$ 1,692). 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 21 February 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 21 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 293AverageC$ 378FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 314AverageC$ 504FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 447AverageC$ 1,131FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Fiji AirwaysCheapestC$ 980AverageC$ 993FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Qantas AirwaysCheapestC$ 1,096AverageC$ 1,808FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,518AverageC$ 2,246FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,624AverageC$ 2,290FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,715AverageC$ 1,957FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 1,964AverageC$ 2,290FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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