Cheap flights from Helsinki to Sydney from $647
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to Sydney departing on 8/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Helsinki to Sydney
Cheap round-trip flights
Cheap one-way flights
Finnair flights from Helsinki to Sydney
Our best Finnair deals on Helsinki to Sydney flight tickets
Turkish Airlines flights from Helsinki to Sydney
Our best Turkish Airlines deals on Helsinki to Sydney flight tickets
See travel insights to Sydney from
How to get the cheapest flight ticket from Helsinki to Sydney
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Helsinki and Sydney?
What is the cheapest month to fly to Sydney?
In general, March is the cheapest month to fly from Helsinki to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,248. If you are unable to visit Sydney during the month of March, then departing from Helsinki during the month September is also very affordable. Most momondo users find prices during this month for around $1,305.
What is the cheapest day to depart on your flight to Sydney?
The cheapest day to depart from Helsinki to Sydney is on a Tuesday when prices can be found for as low as $1,267. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $2,102.
What is the cheapest time of day to depart on your flight to Sydney?
According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Helsinki to Sydney in the afternoon for as low as $1,277. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly at noon, with an average ticket price of $1,582. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Sydney?
You are more likely to see cheaper flights to Sydney from Helsinki when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,436 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Helsinki for as low as $1,322 on momondo.
Can stopping save me money on Helsinki to Sydney flights?
You could potentially save up to 47% on your flight if you consider stops on a Helsinki to Sydney flight.
How have Helsinki to Sydney flight prices changed over time?
As of June 2025, prices for Helsinki to Sydney flights are approximately 57% more expensive when compared to flights at the same time last year.
When to book flights from Helsinki to Sydney
Cheap Helsinki to Sydney (HEL to SYD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Helsinki to Sydney
How far is Helsinki-Vantaa to Sydney Kingsford Smith by plane?
The distance between Helsinki-Vantaa and Sydney Kingsford Smith is about 9439.3 mi. Flights usually cover this in 21h 45m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Helsinki-Vantaa Airport to Sydney Kingsford Smith Airport?
Prices for flights from Helsinki-Vantaa Airport to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Helsinki-Vantaa Airport to Sydney Kingsford Smith Airport?
As of June 2025, there is 1 operator available to choose from for flights from Helsinki-Vantaa Airport to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Helsinki-Vantaa Airport to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helsinki-Vantaa Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Helsinki to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Helsinki to Sydney is Finnair (100% of total bookings).
Best airlines flying from Helsinki to Sydney
Compare and see reviews for airlines that fly from Helsinki to Sydney with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,096 | Free Cancellation | Rating 7.6 1,290 reviews |
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Helsinki to Sydney?
It is quick and easy to find Helsinki to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.
Can I find flights from Helsinki to Sydney with flexible booking policies on momondo?
All flight searches from Helsinki to Sydney on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Helsinki to Sydney?
Once you have performed a search for Helsinki to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Helsinki to Sydney right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Helsinki to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.