HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$582+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SYD
dic. 17 — dic. 241
mié. 12/17
mié. 12/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helsinki to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Helsinki-Vantaa to Sydney Kingsford Smith are usually found in September or June, booked 65 days in advance, depart on a Tuesday or Thursday and return on a Monday

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 noviembre 17, 2025.

This Turkish Airlines deal was found by Cheapflights users on 11/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/267:00 pmHEL - SYD
2 stops30h 20mTurkish Airlines
mar. 2/312:45 pmSYD - HEL
2 stops31h 50mTurkish Airlines
Deal found 11/16$1,301
This Turkish Airlines deal was found by Cheapflights users on 11/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/267:00 pmHEL - SYD
2 stops30h 20mTurkish Airlines
vie. 2/612:45 pmSYD - HEL
2 stops38h 20mTurkish Airlines
Deal found 11/16$1,306
This Turkish Airlines deal was found by Cheapflights users on 11/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/267:00 pmHEL - SYD
2 stops39h 20mTurkish Airlines
mar. 2/1012:45 pmSYD - HEL
2 stops38h 20mTurkish Airlines
Deal found 11/16$1,388
This Turkish Airlines deal was found by Cheapflights users on 11/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/267:00 pmHEL - SYD
2 stops39h 20mTurkish Airlines
dom. 2/1512:45 pmSYD - HEL
2 stops38h 20mTurkish Airlines
Deal found 11/16$1,394
This Qatar Airways deal was found by Cheapflights users on 11/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/204:00 pmHEL - SYD
1 stop41h 50mQatar Airways
mié. 12/36:00 amSYD - HEL
2 stops41h 15mQatar Airways
Deal found 11/17$1,441
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/155:05 pmHEL - SYD
3 stops31h 55mMultiple Airlines
dom. 7/193:40 pmSYD - HEL
3 stops30h 10mMultiple Airlines
Deal found 11/17$1,481
This Turkish Airlines deal was found by Cheapflights users on 11/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2012:30 pmHEL - SYD
2 stops45h 50mTurkish Airlines
mié. 12/312:45 pmSYD - HEL
2 stops31h 50mTurkish Airlines
Deal found 11/17$1,548
This Finnair deal was found by Cheapflights users on 11/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2512:50 amHEL - SYD
1 stop23h 45mFinnair
mié. 2/1110:20 pmSYD - HEL
1 stop40h 25mFinnair
Deal found 11/16$1,550
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/204:40 pmHEL - SYD
2 stops28h 35mMultiple Airlines
jue. 12/48:05 pmSYD - HEL
3 stops33h 15mMultiple Airlines
Deal found 11/17$1,570

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 noviembre 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,321
(Qatar Airways)

One-way from

$582
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,449
Provider with most accurate pricing for Helsinki-Vantaa-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helsinki-Vantaa-Sydney Kingsford Smith flights.
Search Deals
From Helsinki-Vantaa to Sydney Kingsford Smith
Search Deals
One-way flight from Helsinki-Vantaa to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 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

dom. 2/15

4:00 pm-8:40 am

2 stops31h 40m

Sydney Kingsford Smith

jue. 2/19

9:40 pm-2:15 pm

1 stop25h 35m

$1,321

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

mié. 3/11

12:50 am-12:00 pm

1 stop26h 10m

Sydney Kingsford Smith

lun. 3/16

10:20 pm-5:45 am

1 stop40h 25m

$1,333

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

lun. 12/15

5:05 pm-10:00 am

3 stops31h 55m

Sydney Kingsford Smith

dom. 7/19

12:50 pm-3:15 pm

2 stops33h 25m

$1,546

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

mié. 12/17

5:35 pm-1:35 pm

2 stops35h 00m

Sydney Kingsford Smith

jue. 1/8

9:30 pm-5:15 am

1 stop40h 45m

$1,871

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

sáb. 2/14

12:50 am-9:35 am

1 stop23h 45m

Sydney Kingsford Smith

jue. 2/19

3:55 pm-5:45 am

1 stop22h 50m

$1,893

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

jue. 3/12

5:50 pm-6:50 am

2 stops28h 00m

Sydney Kingsford Smith

lun. 3/16

9:40 pm-2:15 pm

1 stop25h 35m

$1,905

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

dom. 12/14

12:50 am-9:35 am

1 stop23h 45m

Sydney Kingsford Smith

dom. 7/19

10:10 am-5:35 am

1 stop26h 25m

$2,296

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

mié. 12/31

12:50 am-9:35 am

1 stop23h 45m

Sydney Kingsford Smith

jue. 1/8

11:05 am-5:45 am

1 stop27h 40m

$2,310

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

vie. 12/5

4:00 pm-8:05 am

2 stops31h 05m

$582

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

vie. 12/5

4:00 pm-6:50 pm

1 stop41h 50m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 11 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 November.
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 November 14, 2025.

The best time to book flights from Helsinki to Sydney is 65 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 $855). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,319). 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 noviembre 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 noviembre 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
1,334 reviews

Food

6.7

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Crew

8.1

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
1,334 reviews
Finnair
7.6
Good
1,334 reviews

Food

6.7

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Crew

8.1

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 26h 10m. Fly via Qatar Airways or Finnair 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 $855). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,319). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 noviembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,077Average$1,303FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.