Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from $722

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
22 Aug — 29 Aug1
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 23 July 2026.

Wed 19/807:00
YUL
-
SYD
2 stops33h 50m
Delta
Wed 26/809:15
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 22/7$1,552
Mon 10/817:10
YUL
-
SYD
2 stops23h 40m
Delta
Mon 17/809:15
SYD
-
YUL
2 stops46h 31m
Delta
Deal found 20/7$1,559
Wed 29/718:47
YUL
-
SYD
2 stops46h 03m
Delta
Mon 17/809:15
SYD
-
YUL
2 stops28h 15m
Delta
Deal found 22/7$1,622
Mon 10/807:00
YUL
-
SYD
2 stops33h 50m
Delta
Sat 29/809:15
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 21/7$1,628
Fri 7/806:00
YUL
-
SYD
2 stops34h 50m
Delta
Fri 21/809:15
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 22/7$1,694
Thu 6/807:00
YUL
-
SYD
2 stops33h 50m
Delta
Thu 20/809:15
SYD
-
YUL
2 stops40h 24m
Delta
Deal found 21/7$1,699
Thu 30/707:00
YUL
-
SYD
2 stops33h 50m
Delta
Thu 6/809:15
SYD
-
YUL
2 stops28h 25m
Delta
Deal found 20/7$1,702
Thu 27/807:00
YUL
-
SYD
2 stops57h 50m
Delta
Tue 29/909:15
SYD
-
YUL
2 stops28h 12m
Delta
Deal found 22/7$1,709

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 23 July 2026.

Round-trip from

$1,552

One-way from

$722

Popular in

July

Cheapest in

May

Average price

$2,710
Delta
  • Delta
  • 19/8-26/8
  • 4 total stops
  • 62h 27m total
  • Montreal to Sydney
Search Deals
Delta
  • Delta
  • 12/8
  • 2 total stops
  • 33h 50m total
  • Montreal to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($238 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($47 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 23 July 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

Thu 6/8

07:00-06:50

2 stops33h 50m

Sydney Kingsford Smith

Thu 20/8

09:15-11:39

2 stops40h 24m

$1,699

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

07:00-06:50

2 stops57h 50m

Sydney Kingsford Smith

Tue 29/9

09:15-23:27

2 stops28h 12m

$1,716

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

07:00-06:50

2 stops33h 50m

Sydney Kingsford Smith

Sat 22/8

09:15-11:39

2 stops40h 24m

$1,857

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

21:10-14:05

1 stop32h 55m

$2,394

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

20:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Thu 19/11

15:50-14:05

1 stop38h 15m

$2,462

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

21:35-06:35

1 stop43h 00m

Sydney Kingsford Smith

Wed 30/9

19:00-14:45

2 stops57h 45m

$2,560
Fastest return journey

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Sat 22/8

09:30-19:45

2 stops24h 15m

$2,591

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

09:45-06:55

2 stops31h 10m

Sydney Kingsford Smith

Sat 19/9

10:20-08:16

1 stop35h 56m

$2,601

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 10/8

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Sat 29/8

09:30-22:06

2 stops26h 36m

$2,614

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Sat 3/10

10:20-08:16

1 stop35h 56m

$2,628

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 21 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 $1,706). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in July is currently the most expensive (average of $2,710). 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?

Airfare is below average for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to Sydney flights typically cost between $2,053 and $2,792 in August.
The cheapest return price found within the last 5 days was $1,552 on Delta (19 Aug–26 Aug).

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 23 July 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
11,378 reviews
Check prices

Entertainment

6.8

Food

6.3

Crew

7.8

Overall

7.1

Comfort

7.1

Boarding

7.3

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
11,378 reviews
Air Canada
7.1
Good
11,378 reviews
Check prices

Entertainment

6.8

Food

6.3

Crew

7.8

Overall

7.1

Comfort

7.1

Boarding

7.3

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 $1,699, Delta can have you in Sydney from Montreal Pierre Elliott Trudeau Intl Airport in 33h 50m. The distance between Montreal Pierre Elliott Trudeau Intl Airport and Sydney is about 16011 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 $505. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney for 78% 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 $1,706). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in July is currently the most expensive (average of $2,710). 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
Parramatta
Wollongong
Penrith
Katoomba
Manly
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$505Average$2,340FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.