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$647+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SYD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Helsinki-Vantaa to Sydney Kingsford Smith are usually found in March or September, booked 71 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 junio 12, 2025.

Round-trip from

$1,349
(Lufthansa)

One-way from

$647
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$1,385
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. 7% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Lufthansa deal was found by Cheapflights users on 6/12. 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.
sáb. 11/295:55 pmHEL - SYD
2 stops28h 20mLufthansa
lun. 1/123:15 pmSYD - HEL
2 stops30h 55mLufthansa
Deal found 6/12$1,349
This Mytrip deal was found by Cheapflights users on 6/10. 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.
mar. 7/87:35 pmHEL - SYD
2 stops29h 15mMultiple Airlines
mar. 7/157:40 pmSYD - HEL
2 stops35h 10mMultiple Airlines
Deal found 6/10$1,429
This Turkish Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 6/277:35 pmHEL - SYD
2 stops40h 25mTurkish Airlines
jue. 7/108:55 pmSYD - HEL
2 stops28h 45mTurkish Airlines
Deal found 6/10$1,511
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/265:10 pmHEL - SYD
1 stop41h 00mQatar Airways
vie. 7/1112:00 pmSYD - HEL
2 stops34h 15mQatar Airways
Deal found 6/10$1,728
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/712:25 amHEL - SYD
1 stop23h 00mFinnair
mar. 7/1510:20 amSYD - HEL
1 stop26h 40mFinnair
Deal found 6/10$1,829
This British Airways deal was found by Cheapflights users on 6/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/267:30 pmHEL - SYD
2 stops52h 15mBritish Airways
vie. 7/112:40 pmSYD - HEL
2 stops28h 40mBritish Airways
Deal found 6/12$1,966
This Malaysia Airlines deal was found by Cheapflights users on 6/10. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/268:00 amHEL - SYD
2 stops43h 00mMalaysia Airlines
vie. 7/1110:10 pmSYD - HEL
2 stops31h 50mMalaysia Airlines
Deal found 6/10$2,115
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/2512:25 amHEL - SYD
1 stop21h 45mQantas Airways
vie. 7/112:50 pmSYD - HEL
2 stops30h 30mQantas Airways
Deal found 6/10$2,273
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/2712:40 pmHEL - SYD
2 stops59h 15mUnited Airlines
dom. 8/310:20 amSYD - HEL
2 stops61h 20mUnited Airlines
Deal found 6/12$2,744
This Singapore Airlines deal was found by Cheapflights users on 6/10. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/266:35 amHEL - SYD
2 stops51h 10mSingapore Airlines
mié. 7/911:00 amSYD - HEL
2 stops30h 35mSingapore Airlines
Deal found 6/10$3,361
This Japan Airlines deal was found by Cheapflights users on 6/10. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/276:25 pmHEL - SYD
1 stop28h 55mJapan Airlines
vie. 7/118:55 amSYD - HEL
2 stops36h 25mJapan Airlines
Deal found 6/10$4,355
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/136:10 pmHEL - SYD
3 stops28h 15mKLM
jue. 1/229:10 amSYD - HEL
2 stops37h 00mKLM
Deal found 6/10$12,216

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 junio 12, 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

sáb. 11/29

5:55 pm-7:15 am

2 stops28h 20m

Sydney Kingsford Smith

lun. 1/12

3:15 pm-1:10 pm

2 stops30h 55m

$1,349

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

mar. 7/8

7:35 pm-7:50 am

2 stops29h 15m

Sydney Kingsford Smith

mar. 7/15

7:40 pm-11:50 pm

2 stops35h 10m

$1,429

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

vie. 6/27

7:35 pm-7:00 pm

2 stops40h 25m

Sydney Kingsford Smith

jue. 7/10

8:55 pm-6:40 pm

2 stops28h 45m

$1,511

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

jue. 6/26

5:10 pm-5:10 pm

1 stop41h 00m

Sydney Kingsford Smith

vie. 7/11

12:00 pm-3:15 pm

2 stops34h 15m

$1,728

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

lun. 7/7

12:25 am-6:25 am

1 stop23h 00m

Sydney Kingsford Smith

mar. 7/15

10:20 am-6:00 am

1 stop26h 40m

$1,829

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

jue. 6/26

7:30 pm-6:45 am

2 stops52h 15m

Sydney Kingsford Smith

vie. 7/11

2:40 pm-12:20 pm

2 stops28h 40m

$1,966

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

jue. 6/26

8:00 am-10:00 am

2 stops43h 00m

Sydney Kingsford Smith

vie. 7/11

10:10 pm-11:00 pm

2 stops31h 50m

$2,115

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

mié. 6/25

12:25 am-5:10 am

1 stop21h 45m

Sydney Kingsford Smith

vie. 7/11

2:50 pm-2:20 pm

2 stops30h 30m

$2,273

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

dom. 7/27

12:40 pm-6:55 am

2 stops59h 15m

Sydney Kingsford Smith

dom. 8/3

10:20 am-4:40 pm

2 stops61h 20m

$2,744

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

jue. 6/26

6:35 am-4:45 pm

2 stops51h 10m

Sydney Kingsford Smith

mié. 7/9

11:00 am-10:35 am

2 stops30h 35m

$3,361

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 17 results
1
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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 June 9, 2025.

The best time to book flights from Helsinki to Sydney is 71 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, March is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $1,041). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,635). 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 junio 12, 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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 junio 12, 2025.
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Japan Airlines
8.3
Very good
1,489 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Singapore Airlines
8.1
Very good
1,302 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
KLM
7.8
Good
1,358 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Finnair
7.6
Good
1,290 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Qantas Airways
7.5
Good
854 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

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?

    Currently priced at $1,349, Lufthansa will fly you from Helsinki to Sydney and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Turkish Airlines and Qatar Airways - these airlines can fly you to your destination from $1,511 and $1,728, respectively. Lufthansa is priced at 6% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Helsinki to Sydney one-way?

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $989. Qatar Airways flights start at $1,010 while deals on Qantas Airways start at $1,043 one-way.

  • 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, March is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $1,041). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,635). 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 Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Wollongong
Parramatta
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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,096Average$1,374FlexibilityNo cancel feeOn-time76%

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