Cheap flights from Helsinki to Sydney from £543

HEL — SYD
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Helsinki to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Helsinki to Sydney

Thu 5/1108:50 -
2 stops27h 30m
Wed 18/1115:50 -
1 stop24h 30m
Deal found 3/11£935
Mon 9/1115:45 -
2 stops54h 50m
Mon 23/1106:00 -
1 stop40h 55m
Deal found 4/11£960
Sun 8/1115:45 -
2 stops29h 50m
Mon 23/1106:00 -
1 stop40h 55m
Deal found 3/11£969
Thu 3/1219:05 -
2 stops27h 05m
Thu 24/1221:35 -
2 stops29h 35m
Deal found 1/11£970
Fri 6/1115:45 -
2 stops30h 50m
Fri 13/1111:40 -
2 stops35h 15m
Deal found 3/11£997
Thu 5/1115:45 -
1 stop41h 50m
Wed 18/1121:10 -
1 stop25h 45m
Deal found 3/11£1,025
Thu 5/1115:45 -
2 stops54h 50m
Wed 18/1121:10 -
1 stop25h 45m
Deal found 3/11£1,027
Sun 15/1119:05 -
2 stops39h 20m
Tue 1/1207:55 -
3 stops43h 15m
Deal found 4/11£1,040
Tue 1/1215:45 -
1 stop41h 50m
Tue 8/1206:00 -
1 stop40h 55m
Deal found 3/11£1,058
Thu 3/1215:45 -
2 stops30h 50m
Thu 24/1206:00 -
1 stop40h 55m
Deal found 3/11£1,079

Find flight deals from Helsinki to Sydney

Round-trip from

£955

One-way from

£543

Popular in

December

Cheapest in

May

Average price

£1,020
Qatar Airways
  • Qatar Airways
  • 4/3-8/3
  • 2 total stops
  • 49h 00m total
  • Helsinki to Sydney
Qantas Airways
  • Qantas Airways
  • 18/1-31/12
  • 2 total stops
  • 44h 50m total
  • Helsinki to Sydney
Highest demand for flights based on searches. 7% potential increase in price (£59 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Helsinki to Sydney that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Mon 18/1

15:45-21:35

2 stops44h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

£543

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Thu 21/1

15:45-16:55

2 stops40h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

£543

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Tue 19/1

15:45-11:20

2 stops34h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

£543
Fastest return journey

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 20/1

15:45-06:05

2 stops29h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

£568

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Fri 15/1

15:45-21:35

2 stops44h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

£602

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Fri 1/1

15:45-18:35

1 stop41h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

£790

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Thu 4/3

15:45-07:35

2 stops30h 50m

Sydney Kingsford Smith

Mon 8/3

16:30-13:55

2 stops54h 25m

£968

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Sun 29/11

15:45-22:30

1 stop21h 45m

Sydney Kingsford Smith

Sun 6/12

06:00-13:55

1 stop40h 55m

£1,109

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Fri 1/1

11:55-19:25

2 stops46h 30m

Sydney Kingsford Smith

Sun 31/1

07:55-11:00

3 stops36h 05m

£1,146

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Thu 3/12

08:50-21:20

2 stops27h 30m

Sydney Kingsford Smith

Thu 10/12

15:50-13:35

1 stop30h 45m

£1,174

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Helsinki to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Helsinki with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Helsinki to Sydney

How far ahead should I book a flight from Helsinki to Sydney?

The best time to book flights from Helsinki to Sydney is 9 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 Helsinki to Sydney?

Currently, May is the cheapest month in which you can book a flight from Helsinki to Sydney (average of £937). Flying from Helsinki to Sydney in December is currently the most expensive (average of £1,230). 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 Helsinki to Sydney?

Airfare is typical for this route at the moment.

Helsinki to Sydney flights typically cost between £910 and £1,107 in March.
The cheapest return price found within the last 5 days was £955 on Qatar Airways (4 Mar–8 Mar).

Related info for your journey

  • How long is the flight from Helsinki to Sydney?

    Departing from Helsinki to Sydney will take you 30h 50m. There are 9438 mi between Helsinki and Sydney.

  • Can I find deals for flights from Helsinki to Sydney that include hotel bookings?

    Yes. In addition to deals on Helsinki to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Helsinki to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helsinki to Sydney.

  • Can I find deals for business class flights from Helsinki to Sydney?

    Yes. Cheapflights offers flight deals from Helsinki 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 Helsinki to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Helsinki to Sydney (average of £937). Flying from Helsinki to Sydney in December is currently the most expensive (average of £1,230). 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
Katoomba
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Helsinki to Sydney?

When you search for this flight from Helsinki to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Helsinki to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Helsinki 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 Helsinki to Sydney with no change fees?

Yes, we can. To see specific flights from Helsinki 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 Helsinki to Sydney become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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