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Cheap flights from Helsinki to Sydney from $852

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SYD
20 Jul — 27 Jul1
1 adult

Cheapflights Tip: The best prices from Helsinki-Vantaa to Sydney Kingsford Smith are usually found in March or June, booked 80 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 15 July 2025.

Round-trip from

$1,395

One-way from

$852

Popular in

December

Cheapest in

March

Average price

$2,441
8/11-12/11
  • 8/11-12/11
  • 4 total stops
  • 75h 45m total
  • Helsinki to Sydney
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9/11
  • 9/11
  • 3 total stops
  • 59h 05m total
  • Helsinki to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($346 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($88 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find 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 15 July 2025.

Sat 8/1116:35HEL - SYD
2 stops43h 00mMultiple Airlines
Wed 12/1114:20SYD - HEL
2 stops32h 45mMultiple Airlines
Deal found 12/7$1,395
Sat 8/1114:00HEL - SYD
2 stops46h 15mLufthansa
Wed 12/1116:10SYD - HEL
2 stops33h 20mLufthansa
Deal found 13/7$1,765
Sat 8/1116:00HEL - SYD
1 stop41h 50mQatar Airways
Wed 12/1109:00SYD - HEL
2 stops38h 15mQatar Airways
Deal found 12/7$1,889
Fri 22/812:35HEL - SYD
2 stops47h 25mTurkish Airlines
Sun 7/920:55SYD - HEL
2 stops28h 45mTurkish Airlines
Deal found 14/7$1,895

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 15 July 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

Sat 8/11

16:35-20:35

2 stops43h 00m

Sydney Kingsford Smith

Wed 12/11

14:20-14:05

2 stops32h 45m

$1,395

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sat 8/11

17:55-07:40

2 stops28h 45m

Sydney Kingsford Smith

Wed 12/11

16:10-16:30

2 stops33h 20m

$1,764

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Fri 29/8

12:35-19:00

2 stops47h 25m

Sydney Kingsford Smith

Fri 5/9

20:55-11:40

2 stops45h 45m

$1,866

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sat 8/11

16:00-18:50

1 stop41h 50m

Sydney Kingsford Smith

Wed 12/11

09:00-14:15

2 stops38h 15m

$1,889

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sun 9/11

14:40-10:45

3 stops59h 05m

$852

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Wed 15/10

17:10-18:10

1 stop41h 00m

$1,877

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Fri 2/1

00:50-12:00

1 stop26h 10m

$3,604

Flights are sorted by cheapest return flights first.

Deals found on 13/7

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 11 July 2025.

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, May is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $129). Flying from Helsinki to Sydney in October is currently the most expensive (average of $171). 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 15 July 2025.

It’s optimal to fly from Helsinki to Sydney in the afternoon. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the morning.

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 15 July 2025.
Get a feel of what it's like to fly with Finnair, Qatar Airways, andTurkish Airlines 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
1,316 reviews
Check prices

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.6

Entertainment

6.9

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
1,316 reviews
Finnair
7.6
Good
1,316 reviews
Check prices

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.6

Entertainment

6.9

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.
Qatar Airways
7.4
Good
3,603 reviews
Finnair
7.6
Good
1,316 reviews
Check prices

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.6

Entertainment

6.9

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.
Turkish Airlines
7.3
Good
3,901 reviews
Finnair
7.6
Good
1,316 reviews
Check prices

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.6

Entertainment

6.9

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.
Lufthansa
6.8
Okay
7,208 reviews
Finnair
7.6
Good
1,316 reviews
Check prices

Crew

8.1

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.6

Entertainment

6.9

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 are the cheapest airlines flying from Helsinki to Sydney round-trip?

    Lufthansa, at $1,764, was found to be the cheapest airline from Helsinki to Sydney.Alternate airlines to your destination round-trip include Turkish Airlines and Qatar Airways. These flights start at 20% 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 $129). Flying from Helsinki to Sydney in October is currently the most expensive (average of $171). 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
Katoomba
Penrith
Manly
Coogee
Cronulla
Terrigal
Lithgow
Randwick
Bondi Beach
Leura

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 2 airlines flying from Helsinki to Sydney

Discover the top 2 airlines 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 15 July 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$1,470Average$1,491FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest$1,686Average$1,999FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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How does Cheapflights help users find flights from Helsinki to Sydney?

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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?

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