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Cheap flights from Helsinki to Sydney from $871

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SYD
8 Jun — 15 Jun1
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 9 May 2026.

Thu 3/1212:30
HEL
-
SYD
2 stops46h 20m
Multiple Airlines
Thu 24/1207:15
SYD
-
HEL
3 stops43h 50m
Multiple Airlines
Deal found 7/5$1,547
Thu 22/1012:05
HEL
-
SYD
3 stops35h 00m
Multiple Airlines
Wed 11/1107:15
SYD
-
HEL
3 stops37h 20m
Multiple Airlines
Deal found 6/5$1,643
Sun 15/1112:30
HEL
-
SYD
2 stops46h 20m
Turkish Airlines
Thu 19/1121:45
SYD
-
HEL
2 stops29h 20m
Turkish Airlines
Deal found 7/5$1,742
Thu 3/1212:30
HEL
-
SYD
2 stops46h 20m
Turkish Airlines
Thu 24/1221:45
SYD
-
HEL
2 stops46h 50m
Turkish Airlines
Deal found 4/5$1,754

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 9 May 2026.

Round-trip from

$1,643

One-way from

$871

Popular in

December

Cheapest in

September

Average price

$1,884
22/10-11/11
  • 22/10-11/11
  • 5 total stops
  • 72h 10m total
  • Helsinki to Sydney
Search Deals
24/10
  • 24/10
  • 3 total stops
  • 59h 05m total
  • Helsinki to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($261 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($72 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 9 May 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 - SYD

HELSYD

Helsinki-Vantaa

Thu 22/10

12:05-06:55

2 stops34h 50m

Sydney Kingsford Smith

Wed 11/11

07:15-11:35

3 stops37h 20m

$1,643

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sun 27/9

17:10-17:10

1 stop41h 00m

Sydney Kingsford Smith

Sun 11/10

10:50-15:25

1 stop36h 35m

$1,977

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Mon 25/5

19:35-20:30

2 stops41h 55m

Sydney Kingsford Smith

Tue 9/6

10:00-18:40

2 stops63h 40m

$2,181

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Fri 31/7

12:05-11:45

2 stops40h 40m

Sydney Kingsford Smith

Sat 15/8

13:00-06:00

1 stop24h 00m

$2,205

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Mon 25/5

19:35-20:30

2 stops41h 55m

Sydney Kingsford Smith

Sun 7/6

10:00-23:55

2 stops44h 55m

$2,225

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Wed 27/5

00:30-19:20

1 stop35h 50m

Sydney Kingsford Smith

Sat 13/6

13:00-09:15

2 stops51h 15m

$2,285
Fastest return journey

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 28/5

08:20-19:10

2 stops27h 50m

Sydney Kingsford Smith

Wed 10/6

21:05-18:40

2 stops28h 35m

$2,382

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Fri 31/7

17:10-17:10

1 stop41h 00m

Sydney Kingsford Smith

Sat 15/8

20:45-15:15

1 stop25h 30m

$2,518

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sun 24/5

00:30-11:45

1 stop28h 15m

Sydney Kingsford Smith

Sun 7/6

20:35-06:00

1 stop40h 25m

$2,632
Cheapest one-way
Fastest single journey

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 15/10

05:30-20:20

3 stops30h 50m

$1,049

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 13 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 79 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, September is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $1,833). Flying from Helsinki to Sydney in December is currently the most expensive (average of $2,650). 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?

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 9 May 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
7.6
Good
1,392 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Finnair
7.6
Good
1,392 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

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 41h. Finnair provides one of the quickest options available for as low as $1,977. Helsinki and Sydney are separated by a distance of 15189 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 Helsinki to Sydney round-trip?

    Finnair, at $1,774, was found to be the cheapest airline from Helsinki to Sydney.. This flight start at 15% 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, September is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $1,833). Flying from Helsinki to Sydney in December is currently the most expensive (average of $2,650). 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
Terrigal
Lithgow
Manly
Cronulla
Bondi Beach
Leura
Randwick
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 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 9 May 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,774Average$1,929FlexibilityNo 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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