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$580+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SYD
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
1 adult, Economy
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Cheapflights Tip: The best prices from Helsinki-Vantaa to Sydney Kingsford Smith are usually found in June or September, booked 80 days in advance, depart on a Tuesday or Thursday 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 August 28, 2025.

Round-trip from

$1,225
(Turkish Airlines)

One-way from

$580
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$1,414
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. 8% potential increase in price ($143 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 August 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 August 28, 2025.

This Turkish Airlines deal was found by Cheapflights users on 8/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:35 pmHEL - SYD
2 stops47h 25mTurkish Airlines
Tue 9/308:55 pmSYD - HEL
2 stops28h 45mTurkish Airlines
Deal found 8/27$1,225
This Lufthansa deal was found by Cheapflights users on 8/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:55 amHEL - SYD
2 stops39h 20mLufthansa
Mon 11/173:15 pmSYD - HEL
2 stops43h 05mLufthansa
Deal found 8/27$1,251
This Qatar Airways deal was found by Cheapflights users on 8/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:00 pmHEL - SYD
1 stop41h 50mQatar Airways
Mon 11/172:00 pmSYD - HEL
2 stops33h 15mQatar Airways
Deal found 8/27$1,257
This Turkish Airlines deal was found by Cheapflights users on 8/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:30 pmHEL - SYD
2 stops46h 20mTurkish Airlines
Mon 12/159:45 pmSYD - HEL
2 stops29h 20mTurkish Airlines
Deal found 8/28$1,290
This Turkish Airlines deal was found by Cheapflights users on 8/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:30 pmHEL - SYD
2 stops46h 20mTurkish Airlines
Thu 12/189:45 pmSYD - HEL
2 stops29h 20mTurkish Airlines
Deal found 8/27$1,295
This Turkish Airlines deal was found by Cheapflights users on 8/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:30 pmHEL - SYD
2 stops46h 20mTurkish Airlines
Wed 12/179:45 pmSYD - HEL
2 stops29h 20mTurkish Airlines
Deal found 8/28$1,296
This Turkish Airlines deal was found by Cheapflights users on 8/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:30 pmHEL - SYD
2 stops46h 20mTurkish Airlines
Thu 12/189:45 pmSYD - HEL
2 stops29h 20mTurkish Airlines
Deal found 8/27$1,301
This Turkish Airlines deal was found by Cheapflights users on 8/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:30 pmHEL - SYD
2 stops46h 20mTurkish Airlines
Sat 12/209:45 pmSYD - HEL
2 stops29h 20mTurkish Airlines
Deal found 8/28$1,302
This Turkish Airlines deal was found by Cheapflights users on 8/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:30 pmHEL - SYD
2 stops46h 20mTurkish Airlines
Sun 12/149:45 pmSYD - HEL
2 stops29h 20mTurkish Airlines
Deal found 8/27$1,306
This Finnair deal was found by Cheapflights users on 8/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:50 amHEL - SYD
1 stop23h 45mFinnair
Mon 11/1710:20 pmSYD - HEL
1 stop40h 25mFinnair
Deal found 8/27$1,321

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 August 28, 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

Tue 9/23

12:35 pm-7:00 pm

2 stops47h 25m

Sydney Kingsford Smith

Tue 9/30

8:55 pm-6:40 pm

2 stops28h 45m

$1,225

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 11/13

6:55 am-7:15 am

2 stops39h 20m

Sydney Kingsford Smith

Mon 11/17

3:15 pm-1:20 am

2 stops43h 05m

$1,251

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 11/13

4:00 pm-6:50 pm

1 stop41h 50m

Sydney Kingsford Smith

Mon 11/17

2:00 pm-2:15 pm

2 stops33h 15m

$1,257

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 1/1

12:30 pm-7:50 pm

2 stops46h 20m

Sydney Kingsford Smith

Sun 2/1

12:45 pm-11:35 am

2 stops31h 50m

$1,271

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Mon 11/3

12:30 pm-7:50 pm

2 stops46h 20m

Sydney Kingsford Smith

Mon 12/15

9:45 pm-6:05 pm

2 stops29h 20m

$1,290

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 10/30

12:30 pm-7:50 pm

2 stops46h 20m

Sydney Kingsford Smith

Wed 12/17

9:45 pm-6:05 pm

2 stops29h 20m

$1,290

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Tue 11/4

12:30 pm-7:50 pm

2 stops46h 20m

Sydney Kingsford Smith

Mon 12/15

9:45 pm-6:05 pm

2 stops29h 20m

$1,290

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Wed 11/5

12:30 pm-7:50 pm

2 stops46h 20m

Sydney Kingsford Smith

Thu 12/18

9:45 pm-6:05 pm

2 stops29h 20m

$1,290

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Wed 11/5

12:30 pm-7:50 pm

2 stops46h 20m

Sydney Kingsford Smith

Mon 12/15

9:45 pm-6:05 pm

2 stops29h 20m

$1,290

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Mon 11/3

12:30 pm-7:50 pm

2 stops46h 20m

Sydney Kingsford Smith

Thu 12/18

9:45 pm-6:05 pm

2 stops29h 20m

$1,290

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/27

Showing 1-10 of 16 results
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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 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 August 22, 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, February is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $1,030). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,615). 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 August 28, 2025.

It’s typically best to fly out from Helsinki to Sydney in the afternoon. Doing so could potentially save you 20% on the flight price compared to flying at noon, which is usually more expensive.

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 August 28, 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
1,321 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Overall

7.6

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
1,321 reviews
Finnair
7.6
Good
1,321 reviews

Comfort

7.5

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Overall

7.6

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 39h 20m. Fly via Turkish Airlines, Lufthansa, or Qatar Airways 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 27% 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, February is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $1,030). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,615). 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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,077Average$1,383FlexibilityNo cancel feeOn-time76%

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