Find flights
When to book
Airlines
FAQs

Cheap flights from Helsinki to Sydney from $761

HEL — SYD
24 Oct — 31 Oct1
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

Tue 3/1119:35 -
2 stops33h 00m
Tue 10/1115:15 -
2 stops59h 20m
Deal found 19/9$1,456
Thu 22/1020:35 -
2 stops39h 50m
Wed 4/1122:10 -
2 stops28h 25m
Deal found 19/9$1,497
Sun 25/1019:35 -
2 stops28h 50m
Mon 9/1115:10 -
2 stops35h 25m
Deal found 21/9$1,499
Sun 25/1015:05 -
2 stops46h 15m
Mon 9/1115:50 -
1 stop24h 30m
Deal found 22/9$1,506
Thu 5/1108:50 -
2 stops27h 30m
Wed 18/1115:50 -
1 stop24h 30m
Deal found 23/9$1,509
Sun 25/1015:05 -
2 stops46h 15m
Mon 2/1115:50 -
1 stop24h 30m
Deal found 20/9$1,526

Find flight deals from Helsinki to Sydney

Round-trip from

$1,456

One-way from

$761

Popular in

December

Cheapest in

May

Average price

$1,867
China Southern
  • China Southern
  • 3/11-10/11
  • 4 total stops
  • 92h 20m total
  • Helsinki to Sydney
Search Deals
23/11-31/12
  • 23/11-31/12
  • 3 total stops
  • 48h 50m total
  • Helsinki to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($260 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($43 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Sun 25/10

21:10-08:05

2 stops49h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

$853

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 18/11

19:50-10:00

2 stops53h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

$868

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Fri 22/1

15:15-08:35

3 stops56h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

$952
Fastest return journey

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 18/11

15:45-22:30

1 stop21h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

$980

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Fri 22/1

15:45-18:35

1 stop41h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,175

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Sat 9/1

18:20-15:05

3 stops59h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,178

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 23/12

07:20-19:20

3 stops51h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,232

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 23/12

15:05-18:20

1 stop42h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,330

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Sat 2/1

15:45-07:00

1 stop30h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,331

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Tue 3/11

08:50-22:20

2 stops28h 30m

Sydney Kingsford Smith

Tue 10/11

15:50-13:35

1 stop30h 45m

$1,588

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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?

Booking 9 days in advance of your planned departure date is, on average, the best time to get cheap flights from Helsinki to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $1,805). Flying from Helsinki to Sydney in December is currently the most expensive (average of $2,347). 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 below average for this route at the moment.

Helsinki to Sydney flights typically cost between $1,773 and $2,265 in November.
The cheapest return price found within the last 5 days was $1,456 on China Southern (3 Nov–10 Nov).

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Finnair from Helsinki 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.
Finnair
7.6
Good
1,431 reviews
Check prices

Crew

8.2

Boarding

7.7

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

HEL - SIN

Very limited food provided. Limited drinks, lights out for 10 of 12.30 flights. Very few staff.
Finnair
7.6
Good
1,431 reviews
Finnair
7.6
Good
1,431 reviews
Check prices

Crew

8.2

Boarding

7.7

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,July 2026

HEL - SIN

Very limited food provided. Limited drinks, lights out for 10 of 12.30 flights. Very few staff.

Related info for your journey

  • How long is the flight from Helsinki to Sydney?

    A quick flight from Helsinki to Sydney can take about 27h 30m. Qatar Airways provides one of the quickest options available for as low as $1,564. Helsinki and Sydney are separated by a distance of 15189 km.

  • What is the cheapest airline to fly from Helsinki to Sydney round-trip?

    Finnair, at $1,816, was found to be the cheapest airline from Helsinki to Sydney.. This flight start at 10% lower than the current average price 3 months from now.

  • 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 $1,805). Flying from Helsinki to Sydney in December is currently the most expensive (average of $2,347). 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
Lithgow
Cronulla
Terrigal
Katoomba
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Helsinki to Sydney

AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,816Average$1,974FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

How does Cheapflights help users find flights from Helsinki 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 Helsinki today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Helsinki to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Helsinki to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Helsinki to Sydney with no change fees.

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!

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.