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Cheap flights from Helsinki to Sydney

HEL — SYD
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap 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 16 September 2025.

Popular in

December

Cheapest in

September

Average price

£965
Highest demand for flights based on searches. 8% potential increase in price (£72 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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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
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 12 September 2025.

The best time to book flights from Helsinki to Sydney is 80 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 £985). Flying from Helsinki to Sydney in July is currently the most expensive (average of £1,725). 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 16 September 2025.
Read through reviews of airlines operating flights from Helsinki to Sydney, such as Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,323 reviews
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Entertainment

6.9

Food

6.7

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Finnair
7.6
Good
1,323 reviews
Finnair
7.6
Good
1,323 reviews
Check prices

Entertainment

6.9

Food

6.7

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

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?

    Our cheapest airline available from Helsinki to Sydney is Finnair. Our recent data shows that you can find tickets from as low as £802 on this airline. You may be able to fly from Helsinki to Sydney for 26% less than the average price by searching for this airline.

  • 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 £985). Flying from Helsinki to Sydney in July is currently the most expensive (average of £1,725). 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
Bondi Beach
Coogee
Manly

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 858,174 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£802Average£827FlexibilityNo cancel feeOn-time76%
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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?

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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