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$861+ Cheap flights from Helsinki (HEL) to Sydney (SYD)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SYD
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Helsinki-Vantaa to Sydney Kingsford Smith are usually found in September or June, booked 88 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Helsinki to Sydney

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 December 17, 2025.

This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:40 pmHEL - SYD
3 stops30h 55mMultiple Airlines
Sat 1/310:45 amSYD - HEL
2 stops35h 10mMultiple Airlines
Deal found 12/16$2,329
This KLM deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:05 pmHEL - SYD
2 stops35h 15mKLM
Sun 1/1111:10 amSYD - HEL
3 stops35h 00mKLM
Deal found 12/15$3,880
This KLM deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:05 pmHEL - SYD
3 stops32h 20mKLM
Wed 1/1412:45 pmSYD - HEL
3 stops33h 25mKLM
Deal found 12/15$4,227
This Etihad Airways deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:15 amHEL - SYD
2 stops39h 20mEtihad Airways
Tue 1/134:35 pmSYD - HEL
2 stops27h 05mEtihad Airways
Deal found 12/16$5,651
This Etihad Airways deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:15 amHEL - SYD
2 stops39h 20mMultiple Airlines
Tue 1/134:35 pmSYD - HEL
2 stops27h 40mMultiple Airlines
Deal found 12/17$5,663
This Japan Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:30 pmHEL - SYD
1 stop28h 20mJapan Airlines
Tue 1/139:15 amSYD - HEL
1 stop27h 45mJapan Airlines
Deal found 12/15$5,798

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 December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,307
(Qatar Airways)

One-way from

$861
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$1,905
Provider with most accurate pricing for Helsinki-Vantaa-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Helsinki-Vantaa-Sydney Kingsford Smith flights.
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From Helsinki-Vantaa to Sydney Kingsford Smith
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One-way flight from Helsinki-Vantaa to Sydney Kingsford Smith
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Highest demand for flights based on searches. 9% potential increase in price ($153 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Helsinki to Sydney that are best for you.

Fly from

Helsinki

Fly to

Sydney

Route

Depart

Return

Price

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sun 5/10

5:10 pm-5:10 pm

1 stop41h 00m

Sydney Kingsford Smith

Wed 5/13

5:00 pm-3:15 pm

2 stops53h 15m

$1,307

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 1/15

12:30 pm-10:45 am

2 stops37h 15m

Sydney Kingsford Smith

Mon 2/9

12:45 pm-6:05 pm

2 stops38h 20m

$1,320

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Tue 1/13

7:00 pm-9:55 am

2 stops29h 55m

Sydney Kingsford Smith

Sun 2/8

12:45 pm-11:35 am

2 stops31h 50m

$1,326

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sat 1/17

7:00 pm-10:45 am

2 stops30h 45m

Sydney Kingsford Smith

Fri 2/13

12:45 pm-6:05 pm

2 stops38h 20m

$1,332

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sat 1/17

7:00 pm-10:45 am

2 stops30h 45m

Sydney Kingsford Smith

Sun 2/8

12:45 pm-6:05 pm

2 stops38h 20m

$1,333

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Tue 2/17

7:50 am-6:55 am

2 stops38h 05m

Sydney Kingsford Smith

Sat 3/14

11:15 am-6:25 pm

2 stops40h 10m

$1,354

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 2/12

12:30 pm-7:20 pm

2 stops45h 50m

Sydney Kingsford Smith

Wed 3/11

9:15 pm-6:05 pm

2 stops29h 50m

$1,362

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 2/12

12:30 pm-7:20 pm

2 stops45h 50m

Sydney Kingsford Smith

Sat 3/14

9:15 pm-6:05 pm

2 stops29h 50m

$1,368

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 2/12

12:30 pm-7:20 pm

2 stops45h 50m

Sydney Kingsford Smith

Thu 3/12

12:00 pm-6:05 pm

2 stops39h 05m

$1,382

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 2/12

12:30 pm-7:20 pm

2 stops45h 50m

Sydney Kingsford Smith

Tue 3/10

12:45 pm-6:05 pm

2 stops38h 20m

$1,382

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 15 results
1
2

Compare providers for flights from Helsinki to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helsinki to Sydney in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helsinki-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Helsinki-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Helsinki-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helsinki-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helsinki-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Helsinki to Sydney. Price data was last updated on December 12, 2025.

The best time to book flights from Helsinki to Sydney is 88 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, September is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $857). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,358). 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.

What is the cheapest time of day to fly from HEL to SYD?

Find hourly flight availability from Helsinki to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

It’s typically best to fly out from Helsinki to Sydney in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip 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 December 17, 2025.
Read reviews from past customers who have flown Finnair from Helsinki to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,337 reviews

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Crew

8.1

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
1,337 reviews
Finnair
7.6
Good
1,337 reviews

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Crew

8.1

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.

  • How long is the flight from Helsinki to Sydney?

    There are many flights that can get you from Helsinki to Sydney in 37h 15m. Fly via Qatar Airways or Turkish Airlines to get the fastest option. There are 9438 mi between Helsinki and Sydney. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $1,077, Finnair will fly you from Helsinki to Sydney and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Finnair is priced at 26% lower than the current average price of a flight leaving 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 vacation 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 $857). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,358). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
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 2,558,603 searches. Data last updated December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,077Average$1,303FlexibilityNo cancel feeOn-time76%

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