$681 Cheap Flights from Helsinki (HEL) to Sydney (SYD)

View $681 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from Helsinki-Vantaa Airport (HEL) to Sydney Airport (SYD)

Cheap Flights from Helsinki to Sydney (HEL-SYD)

Prices were available within the past 7 days and start at $681 for one-way flights and $1,247 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Mar 4 - Wed, Mar 25
HEL
Helsinki
SYD
Sydney
$1,247 Roundtrip, found 6 days ago
$1,247
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Mar 4 from Helsinki to Sydney, returning Wed, Mar 25, priced at $1,247 found 6 days ago
Turkish Airlines
Tue, Mar 3 - Mon, Mar 23
HEL
Helsinki
SYD
Sydney
$1,257 Roundtrip, found 1 day ago
$1,257
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Tue, Mar 3 from Helsinki to Sydney, returning Mon, Mar 23, priced at $1,257 found 1 day ago
Lufthansa
Wed, Mar 4 - Wed, Mar 25
HEL
Helsinki
SYD
Sydney
$1,272 Roundtrip, found 6 days ago
$1,272
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Mar 4 from Helsinki to Sydney, returning Wed, Mar 25, priced at $1,272 found 6 days ago
Lufthansa
Wed, Mar 4 - Wed, Mar 25
HEL
Helsinki
SYD
Sydney
$1,279 Roundtrip, found 6 days ago
$1,279
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Mar 4 from Helsinki to Sydney, returning Wed, Mar 25, priced at $1,279 found 6 days ago
Finnair
Tue, Mar 3 - Mon, Mar 23
HEL
Helsinki
SYD
Sydney
$1,291 Roundtrip, found 1 day ago
$1,291
Roundtrip
found 1 day ago
Select Finnair flight, departing Tue, Mar 3 from Helsinki to Sydney, returning Mon, Mar 23, priced at $1,291 found 1 day ago
Turkish Airlines
Wed, Nov 5 - Wed, Nov 12
HEL
Helsinki
SYD
Sydney
$1,309 Roundtrip, found 2 days ago
$1,309
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Nov 5 from Helsinki to Sydney, returning Wed, Nov 12, priced at $1,309 found 2 days ago
Turkish Airlines
Tue, Nov 18 - Tue, Nov 25
HEL
Helsinki
SYD
Sydney
$1,311 Roundtrip, found 6 days ago
$1,311
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Tue, Nov 18 from Helsinki to Sydney, returning Tue, Nov 25, priced at $1,311 found 6 days ago
Finnair
Tue, Mar 3 - Mon, Mar 23
HEL
Helsinki
SYD
Sydney
$1,329 Roundtrip, found 1 day ago
$1,329
Roundtrip
found 1 day ago
Select Finnair flight, departing Tue, Mar 3 from Helsinki to Sydney, returning Mon, Mar 23, priced at $1,329 found 1 day ago
British Airways
Tue, Mar 3 - Mon, Mar 23
HEL
Helsinki
SYD
Sydney
$1,368 Roundtrip, found 1 day ago
$1,368
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Mar 3 from Helsinki to Sydney, returning Mon, Mar 23, priced at $1,368 found 1 day ago
Etihad Airways
Wed, Mar 4 - Sun, Mar 29
HEL
Helsinki
SYD
Sydney
$1,378 Roundtrip, found 3 days ago
$1,378
Roundtrip
found 3 days ago
Select Etihad Airways flight, departing Wed, Mar 4 from Helsinki to Sydney, returning Sun, Mar 29, priced at $1,378 found 3 days ago

Frequently asked questions

How much does a flight from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD) cost?
Snag a cheap one-way flight from $681 or cheap return flight from $1,247 from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD)?
March is the cheapest month to fly from HEL to SYD. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from HEL to SYD. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD)?
You'll have to hop on a flight with a layover if you're traveling from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from HEL to SYD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD)?
Opt for a flight from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD) last-minute?
Booking your flight from HEL to SYD shortly before your getaway is generally more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a HEL to SYD flight and hotel package?
You can save money by booking a HEL to SYD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your preferred accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Kingsford Smith Intl. Airport (SYD)?
If you reserved your HEL to SYD flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Vantaa
Destination airport
Kingsford Smith Intl.
Airlines serving
British Airways, Cathay Pacific, Finnair, Malaysia Airlines, Qantas Airways, Qatar Airways, Turkish Airlines
Roundtrip price
$1,246
Distance
9443 mi

Book with confidence

Helsinki to Sydney Flights

The cheapest times to fly from Helsinki to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Helsinki to Sydney are during the month of March. You can find some of the cheapest flights from Helsinki to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helsinki to Sydney

Sunday is one of the best days to book for cheap flights from Helsinki to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Helsinki to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Helsinki to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $681 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Helsinki to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Helsinki to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Helsinki to Sydney Flights

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*Available to One Key members.