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Cheap flights from Helsinki to Sydney from $801

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SYD
10 Sep — 17 Sep1
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
Explore the most affordable flight options available from Helsinki to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 August 2026.

Thu 17/908:20 -
2 stops27h 50m
Fri 2/1021:05 -
2 stops45h 05m
Deal found 9/8$1,592
Tue 1/909:50 -
2 stops29h 30m
Sun 6/914:50 -
1 stop31h 40m
Deal found 6/8$1,660
Wed 23/912:05 -
2 stops48h 05m
Wed 30/921:05 -
2 stops45h 05m
Deal found 9/8$1,678
Mon 7/919:40 -
2 stops40h 30m
Wed 23/921:05 -
2 stops28h 40m
Deal found 10/8$1,684
Tue 1/909:50 -
2 stops26h 50m
Wed 30/910:05 -
2 stops32h 30m
Deal found 7/8$1,686
Sun 30/817:05 -
2 stops32h 20m
Mon 14/914:50 -
1 stop24h 30m
Deal found 8/8$1,696
Thu 20/808:20 -
2 stops27h 50m
Thu 27/821:05 -
2 stops33h 50m
Deal found 7/8$1,701
Thu 17/909:50 -
2 stops26h 00m
Fri 2/1014:50 -
1 stop24h 30m
Deal found 9/8$1,713
Wed 9/919:40 -
2 stops40h 30m
Wed 23/921:05 -
2 stops28h 40m
Deal found 9/8$1,715
Fri 18/919:40 -
2 stops40h 30m
Sun 4/1022:05 -
2 stops28h 40m
Deal found 6/8$1,718

Find flight deals from Helsinki to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) 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 11 August 2026.

Round-trip from

$1,592

One-way from

$801

Popular in

December

Cheapest in

May

Average price

$1,953
Turkish Airlines
  • Turkish Airlines
  • 17/9-2/10
  • 4 total stops
  • 72h 55m total
  • Helsinki to Sydney
Search Deals
31/8
  • 31/8
  • 3 total stops
  • 44h 20m total
  • Helsinki to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($338 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($76 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Helsinki 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 11 August 2026.
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

Mon 7/9

19:40-19:10

2 stops40h 30m

Sydney Kingsford Smith

Wed 23/9

21:05-18:45

2 stops28h 40m

$1,684

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 9/9

19:40-19:10

2 stops40h 30m

Sydney Kingsford Smith

Wed 23/9

21:05-18:45

2 stops28h 40m

$1,715

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 21/10

12:05-20:10

2 stops48h 05m

Sydney Kingsford Smith

Wed 18/11

22:15-11:30

2 stops46h 15m

$1,783

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 4/11

19:05-19:25

2 stops39h 20m

Sydney Kingsford Smith

Sun 8/11

21:35-18:10

2 stops29h 35m

$1,810

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Sun 30/8

17:05-10:25

2 stops34h 20m

Sydney Kingsford Smith

Mon 14/9

14:50-08:20

1 stop24h 30m

$1,828

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 9/9

17:05-08:40

2 stops32h 35m

Sydney Kingsford Smith

Wed 23/9

14:50-08:20

1 stop24h 30m

$1,858
Fastest return journey

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Thu 20/8

09:50-22:20

2 stops29h 30m

Sydney Kingsford Smith

Thu 27/8

20:45-15:30

1 stop25h 45m

$1,902

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Tue 1/9

08:20-20:30

2 stops29h 10m

Sydney Kingsford Smith

Wed 30/9

07:35-11:10

3 stops34h 35m

$1,936

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Wed 4/11

15:50-07:35

2 stops54h 45m

Sydney Kingsford Smith

Sun 8/11

06:00-14:05

1 stop41h 05m

$1,967

HelsinkiSydney

HEL Helsinki-Vantaa - SYD Sydney Kingsford Smith

HELSYD

Helsinki-Vantaa

Thu 3/9

09:50-17:10

1 stop24h 20m

Sydney Kingsford Smith

Thu 5/11

21:30-23:05

2 stops34h 35m

$2,016

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 15 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
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 Helsinki to Sydney

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

Booking 38 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 $1,818). Flying from Helsinki to Sydney in December is currently the most expensive (average of $2,630). 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 $2,768 in September.
The cheapest return price found within the last 5 days was $1,592 on Turkish Airlines (17 Sept–2 Oct).

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 11 August 2026.
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
7.7
Good
1,428 reviews
Check prices

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.7

Comfort

7.4

Entertainment

6.9

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
7.7
Good
1,428 reviews
Finnair
7.7
Good
1,428 reviews
Check prices

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.7

Comfort

7.4

Entertainment

6.9

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

Find useful and relevant information for your journey from Helsinki to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Helsinki to Sydney?

    A quick flight from Helsinki to Sydney can take about 40h 30m. Turkish Airlines provides one of the quickest options available for as low as $1,684. 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 $1,818, was found to be the cheapest airline from Helsinki to Sydney.. This flight start at 11% 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 $1,818). Flying from Helsinki to Sydney in December is currently the most expensive (average of $2,630). 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
Lithgow
Cronulla
Randwick
Terrigal
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Helsinki to Sydney

Discover the top airline that operate flights from Helsinki 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 11 August 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,818Average$1,977FlexibilityNo cancel feeOn-time76%
Search Finnair 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 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!

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