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Cheap flights from Helsinki to Sydney from $734

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SYD
11 Apr — 18 Apr1
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 12 March 2026.

Mon 27/408:20
HEL
-
SYD
3 stops38h 45m
Multiple Airlines
Tue 12/507:05
SYD
-
HEL
3 stops35h 05m
Multiple Airlines
Deal found 9/3$1,358
Thu 23/408:20
HEL
-
SYD
3 stops38h 45m
Multiple Airlines
Wed 6/507:05
SYD
-
HEL
3 stops59h 05m
Multiple Airlines
Deal found 10/3$1,369
Mon 4/508:20
HEL
-
SYD
2 stops44h 25m
Multiple Airlines
Sun 17/520:35
SYD
-
HEL
2 stops34h 20m
Multiple Airlines
Deal found 9/3$1,464
Mon 4/508:20
HEL
-
SYD
3 stops38h 45m
Multiple Airlines
Tue 19/521:05
SYD
-
HEL
2 stops28h 35m
Multiple Airlines
Deal found 9/3$1,481
Thu 14/519:35
HEL
-
SYD
2 stops40h 45m
Multiple Airlines
Thu 21/513:00
SYD
-
HEL
2 stops41h 55m
Multiple Airlines
Deal found 10/3$1,494
Mon 27/408:20
HEL
-
SYD
2 stops27h 50m
Turkish Airlines
Tue 12/521:05
SYD
-
HEL
2 stops33h 50m
Turkish Airlines
Deal found 7/3$1,545

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 12 March 2026.

Round-trip from

$1,358

One-way from

$734

Popular in

December

Cheapest in

September

Average price

$1,910
27/4-12/5
  • 27/4-12/5
  • 6 total stops
  • 73h 50m total
  • Helsinki to Sydney
Search Deals
26/4
  • 26/4
  • 3 total stops
  • 50h 10m total
  • Helsinki to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($288 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 March 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 12 March 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

Wed 20/5

12:05-06:05

3 stops35h 00m

Sydney Kingsford Smith

Wed 27/5

21:05-18:40

2 stops28h 35m

$1,721

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Fri 8/5

17:10-11:25

2 stops35h 15m

Sydney Kingsford Smith

Fri 15/5

20:45-15:15

1 stop25h 30m

$1,769

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 23/4

08:20-19:10

2 stops27h 50m

Sydney Kingsford Smith

Fri 8/5

14:35-11:10

2 stops51h 35m

$1,872

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sun 3/5

00:35-06:10

1 stop22h 35m

Sydney Kingsford Smith

Tue 19/5

07:40-05:35

1 stop28h 55m

$2,025

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 30/4

17:10-06:15

2 stops30h 05m

Sydney Kingsford Smith

Wed 13/5

20:45-15:15

1 stop25h 30m

$2,128
Fastest return journey

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sun 26/4

00:30-06:05

1 stop22h 35m

Sydney Kingsford Smith

Tue 12/5

10:10-05:35

1 stop26h 25m

$2,148

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 9/4

17:10-17:10

1 stop41h 00m

Sydney Kingsford Smith

Thu 16/4

20:45-15:15

1 stop25h 30m

$2,286

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Fri 24/4

06:10-16:45

2 stops51h 35m

Sydney Kingsford Smith

Thu 7/5

15:00-10:35

2 stops26h 35m

$2,405

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 23/4

00:35-06:10

1 stop22h 35m

Sydney Kingsford Smith

Thu 7/5

09:00-06:00

2 stops28h 00m

$2,431

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Mon 27/4

14:05-05:10

2 stops32h 05m

Sydney Kingsford Smith

Tue 12/5

10:20-15:15

2 stops35h 55m

$2,686

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 18 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?

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

Booking 80 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 $1,193). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,830). 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 12 March 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
1,371 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Food

6.7

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,371 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Food

6.7

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

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.

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

    Finnair, at $1,593, was found to be the cheapest airline from Helsinki to Sydney.. This flight start at 23% 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 $1,193). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,830). 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

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 12 March 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,593Average$1,950FlexibilityNo 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?

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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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