Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from $791

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 9/316:45
YUL
-
SYD
2 stops25h 30m
United Airlines
Tue 24/312:10
SYD
-
YUL
2 stops24h 32m
United Airlines
Deal found 5/3$1,809
Mon 30/314:20
YUL
-
SYD
2 stops26h 40m
United Airlines
Wed 15/409:30
SYD
-
YUL
2 stops24h 15m
United Airlines
Deal found 6/3$1,811
Tue 1/918:35
YUL
-
SYD
1 stop22h 20m
United Airlines
Tue 15/909:30
SYD
-
YUL
2 stops39h 10m
United Airlines
Deal found 7/3$1,812
Sun 2/818:35
YUL
-
SYD
1 stop22h 20m
United Airlines
Tue 18/810:20
SYD
-
YUL
1 stop35h 56m
United Airlines
Deal found 9/3$1,813
Sun 15/314:13
YUL
-
SYD
2 stops26h 52m
United Airlines
Tue 24/311:50
SYD
-
YUL
2 stops24h 52m
United Airlines
Deal found 7/3$1,815
Mon 7/915:25
YUL
-
SYD
2 stops25h 35m
United Airlines
Wed 30/910:20
SYD
-
YUL
2 stops25h 46m
United Airlines
Deal found 7/3$1,816
Tue 15/918:35
YUL
-
SYD
1 stop22h 20m
United Airlines
Tue 22/910:20
SYD
-
YUL
1 stop35h 56m
United Airlines
Deal found 6/3$1,818
Mon 7/911:23
YUL
-
SYD
2 stops29h 37m
United Airlines
Mon 28/910:20
SYD
-
YUL
2 stops38h 20m
United Airlines
Deal found 8/3$1,826
Wed 1/409:45
YUL
-
SYD
2 stops31h 15m
United Airlines
Sun 19/409:30
SYD
-
YUL
2 stops28h 43m
United Airlines
Deal found 9/3$1,832
Wed 10/608:30
YUL
-
SYD
2 stops44h 40m
Multiple Airlines
Wed 17/611:45
SYD
-
YUL
2 stops33h 53m
Multiple Airlines
Deal found 10/3$1,849
Thu 13/809:45
YUL
-
SYD
2 stops31h 15m
United Airlines
Tue 25/809:30
SYD
-
YUL
2 stops25h 56m
United Airlines
Deal found 6/3$1,850
Fri 31/718:35
YUL
-
SYD
1 stop22h 20m
United Airlines
Mon 17/810:20
SYD
-
YUL
1 stop35h 56m
United Airlines
Deal found 9/3$1,851

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

$1,811

One-way from

$791

Popular in

January

Cheapest in

March

Average price

$2,072
United Airlines
  • United Airlines
  • 30/3-15/4
  • 4 total stops
  • 50h 55m total
  • Montreal to Sydney
1/5
  • 1/5
  • 3 total stops
  • 39h 05m total
  • Montreal to Sydney
Highest demand for flights based on searches. 7% potential increase in price ($262 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($45 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 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 return flight
Fastest return journey

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Mon 28/9

09:30-21:26

2 stops25h 56m

$1,826

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

09:45-07:00

2 stops31h 15m

Sydney Kingsford Smith

Fri 17/4

10:20-21:26

2 stops25h 06m

$1,851

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 1/8

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Sat 8/8

10:20-08:25

1 stop36h 05m

$1,889

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

21:35-07:10

1 stop42h 35m

Sydney Kingsford Smith

Tue 14/4

14:50-14:45

1 stop37h 55m

$2,070

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

09:45-08:00

2 stops31h 15m

Sydney Kingsford Smith

Sun 19/4

09:30-16:56

1 stop21h 26m

$2,085

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

11:23-06:55

2 stops29h 32m

Sydney Kingsford Smith

Thu 21/5

09:30-19:26

1 stop23h 56m

$2,147

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

18:35-06:55

1 stop22h 20m

Sydney Kingsford Smith

Fri 31/7

10:20-08:25

1 stop36h 05m

$2,148
Cheapest one-way

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

06:45-11:50

3 stops39h 05m

$827

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

06:45-22:10

3 stops49h 25m

$841

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

06:45-11:50

3 stops39h 05m

$841

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 17 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 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?

Use this chart to determine the optimal time to book a return flight from Pierre Elliott Trudeau Intl to Sydney. Price data was last updated on 6 March 2026.

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 51 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 $414). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of $1,891). 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.
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.

Food

6.3

Overall

7.1

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Crew

7.8

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

Food

6.3

Overall

7.1

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Crew

7.8

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

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 $1,826, United Airlines can have you in Sydney from Montreal Pierre Elliott Trudeau Intl Airport in 22h 20m. 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 $1,872. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney for 18% 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 $414). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of $1,891). 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
Manly
Katoomba
Terrigal
Lithgow
Bondi Beach
Coogee
Cronulla
Leura
Randwick

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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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,872Average$2,304FlexibilityNo 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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