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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from $868

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
12 Jul — 19 Jul1
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 12 June 2026.

Mon 15/612:48
YUL
-
SYD
2 stops28h 02m
Delta
Mon 6/709:15
SYD
-
YUL
2 stops28h 40m
Delta
Deal found 12/6$1,471
Wed 29/707:00
YUL
-
SYD
2 stops33h 50m
Delta
Mon 24/809:15
SYD
-
YUL
2 stops40h 24m
Delta
Deal found 8/6$1,477
Tue 9/612:47
YUL
-
SYD
2 stops28h 03m
Delta
Fri 19/609:15
SYD
-
YUL
2 stops40h 28m
Delta
Deal found 9/6$1,546
Thu 30/707:00
YUL
-
SYD
2 stops33h 50m
Delta
Tue 25/809:15
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 8/6$1,548
Sat 13/612:53
YUL
-
SYD
2 stops51h 57m
Delta
Fri 14/809:15
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 9/6$1,582
Fri 24/718:47
YUL
-
SYD
2 stops46h 03m
Delta
Fri 21/809:15
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 11/6$1,614
Fri 24/718:47
YUL
-
SYD
2 stops46h 03m
Delta
Fri 14/809:15
SYD
-
YUL
2 stops28h 15m
Delta
Deal found 10/6$1,617
Mon 3/818:47
YUL
-
SYD
2 stops46h 03m
Delta
Wed 9/909:15
SYD
-
YUL
2 stops27h 55m
Delta
Deal found 12/6$1,688
Thu 27/812:47
YUL
-
SYD
2 stops28h 03m
Delta
Tue 29/909:15
SYD
-
YUL
2 stops28h 07m
Delta
Deal found 12/6$1,761

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 12 June 2026.

Round-trip from

$1,475

One-way from

$868

Popular in

July

Cheapest in

May

Average price

$2,475
Delta
  • Delta
  • 27/7-19/8
  • 4 total stops
  • 62h 27m total
  • Montreal to Sydney
Search Deals
Delta
  • Delta
  • 29/7
  • 2 total stops
  • 33h 50m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($288 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($95 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 12 June 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 return flight

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 3/8

18:47-06:50

2 stops46h 03m

Sydney Kingsford Smith

Wed 9/9

09:15-23:10

2 stops27h 55m

$1,688

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 28/6

18:50-06:50

2 stops46h 00m

Sydney Kingsford Smith

Sun 12/7

09:15-23:40

2 stops52h 25m

$2,162

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

07:00-06:50

2 stops33h 50m

Sydney Kingsford Smith

Mon 13/7

09:15-23:25

2 stops52h 10m

$2,168

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

12:48-06:50

2 stops28h 02m

Sydney Kingsford Smith

Wed 8/7

09:15-23:52

2 stops28h 37m

$2,168

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

06:00-06:50

2 stops34h 50m

Sydney Kingsford Smith

Tue 14/7

09:15-23:52

2 stops28h 37m

$2,384

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

20:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Mon 21/12

15:50-14:05

1 stop38h 15m

$2,441
Fastest return journey

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 3/8

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Wed 9/9

10:20-22:06

2 stops25h 46m

$2,557

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 28/6

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Sun 12/7

09:30-21:26

2 stops25h 56m

$2,559

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 4/12

06:45-06:35

2 stops31h 50m

Sydney Kingsford Smith

Tue 5/1

17:55-15:07

3 stops37h 12m

$2,627

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

12:31-06:55

2 stops28h 24m

Sydney Kingsford Smith

Sat 26/9

10:30-11:44

3 stops39h 14m

$2,649

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 23 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 return 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?

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $1,369). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in July is currently the most expensive (average of $3,003). 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 for a return flight 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 12 June 2026.
Get a feel of what it's like to fly with Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,172 reviews
Check prices

Entertainment

6.8

Comfort

7.1

Boarding

7.3

Overall

7.1

Food

6.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,June 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.
Air Canada
7.1
Good
11,172 reviews
Air Canada
7.1
Good
11,172 reviews
Check prices

Entertainment

6.8

Comfort

7.1

Boarding

7.3

Overall

7.1

Food

6.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,June 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.

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?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Montreal Pierre Elliott Trudeau Intl to Sydney. You should not have trouble finding flights to Kingsford Smith from Montreal Pierre Elliott Trudeau Intl; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Sydney airport from Montreal Pierre Elliott Trudeau Intl. It is only a 7.5 km journey from Kingsford Smith (SYD) to Sydney’s city centre.

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

    For as low as $1,688, Delta can have you in Sydney from Montreal Pierre Elliott Trudeau Intl Airport in 46h 03m. The distance between Montreal Pierre Elliott Trudeau Intl Airport and Sydney is about 16011 km.

  • What is the cheapest airline to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney round-trip?

    Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney round-trip from $502. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney for 77% less than the average price by searching for this airline.

  • 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 holiday 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 $1,369). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in July is currently the most expensive (average of $3,003). 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
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Coogee

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Pierre Elliott Trudeau Intl to Sydney

Discover the top airline 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 647,157 searches. Data last updated 12 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$502Average$2,325FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Sydney with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to Sydney, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Pierre Elliott Trudeau Intl to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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