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$635+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SYD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$1,103
(Lufthansa)

One-way from

$635
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,519
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 ($113 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 July 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 July 3, 2025.

This Lufthansa deal was found by Cheapflights users on 6/30. 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.
Sat 11/82:00 pmHEL - SYD
2 stops56h 15mLufthansa
Wed 11/123:50 pmSYD - HEL
2 stops35h 50mLufthansa
Deal found 6/30$1,103
This Trip.com deal was found by Cheapflights users on 7/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:40 pmHEL - SYD
2 stops32h 55mMultiple Airlines
Sat 10/259:45 pmSYD - HEL
2 stops47h 15mMultiple Airlines
Deal found 7/2$1,232
This Qatar Airways deal was found by Cheapflights users on 7/2. 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.
Sat 11/84:00 pmHEL - SYD
1 stop41h 50mQatar Airways
Wed 11/127:00 pmSYD - HEL
2 stops28h 15mQatar Airways
Deal found 7/2$1,241
This Gotogate deal was found by Cheapflights users on 7/3. 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.
Sun 8/1712:35 pmHEL - SYD
2 stops47h 25mTurkish Airlines
Sun 8/248:55 pmSYD - HEL
2 stops45h 45mTurkish Airlines
Deal found 7/3$1,289
This Booking.com deal was found by Cheapflights users on 7/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:05 pmHEL - SYD
1 stop33h 20mFinnair
Sat 10/2510:20 pmSYD - HEL
1 stop40h 25mFinnair
Deal found 7/2$1,666
This SmartFares deal was found by Cheapflights users on 7/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:55 amHEL - SYD
2 stops39h 15mCathay Pacific
Wed 9/39:50 pmSYD - HEL
2 stops48h 25mCathay Pacific
Deal found 7/1$1,673

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 July 3, 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

Sat 11/8

2:00 pm-7:15 am

2 stops56h 15m

Sydney Kingsford Smith

Wed 11/12

3:50 pm-6:40 pm

2 stops35h 50m

$1,103

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Tue 10/14

7:40 pm-12:35 pm

2 stops32h 55m

Sydney Kingsford Smith

Sat 10/25

9:45 pm-1:00 pm

2 stops47h 15m

$1,232

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sat 11/8

4:00 pm-6:50 pm

1 stop41h 50m

Sydney Kingsford Smith

Wed 11/12

7:00 pm-2:15 pm

2 stops28h 15m

$1,241

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sun 8/17

12:35 pm-7:00 pm

2 stops47h 25m

Sydney Kingsford Smith

Sun 8/24

8:55 pm-11:40 am

2 stops45h 45m

$1,289

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Tue 10/14

2:05 pm-7:25 am

1 stop33h 20m

Sydney Kingsford Smith

Sat 10/25

10:20 pm-6:45 am

1 stop40h 25m

$1,666

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Thu 8/21

7:55 am-6:10 am

2 stops39h 15m

Sydney Kingsford Smith

Wed 9/3

9:50 pm-3:15 pm

2 stops48h 25m

$1,673

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Fri 9/19

12:35 pm-11:35 am

3 stops40h 00m

$635

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Tue 7/15

7:35 pm-7:00 pm

2 stops40h 25m

$1,043

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sun 12/14

12:50 am-12:00 pm

1 stop26h 10m

$1,173

HelsinkiSydney

HEL - SYD

HELSYD

Helsinki-Vantaa

Sun 8/3

5:10 pm-5:10 pm

1 stop41h 00m

$1,264

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 12 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 June 27, 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, February is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $1,040). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,630). 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 July 3, 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.

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 July 3, 2025.
Read reviews from past customers who have flown Cathay Pacific, Finnair, and Qantas Airways 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.
Cathay Pacific
7.6
Good
921 reviews

Boarding

7.9

Entertainment

7.8

Crew

8.0

Food

7.3

Overall

7.6

Comfort

7.6

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Cathay Pacific
7.6
Good
921 reviews
Cathay Pacific
7.6
Good
921 reviews

Boarding

7.9

Entertainment

7.8

Crew

8.0

Food

7.3

Overall

7.6

Comfort

7.6

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Finnair
7.6
Good
1,306 reviews
Cathay Pacific
7.6
Good
921 reviews

Boarding

7.9

Entertainment

7.8

Crew

8.0

Food

7.3

Overall

7.6

Comfort

7.6

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Qantas Airways
7.5
Good
868 reviews
Cathay Pacific
7.6
Good
921 reviews

Boarding

7.9

Entertainment

7.8

Crew

8.0

Food

7.3

Overall

7.6

Comfort

7.6

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Qatar Airways
7.4
Good
3,594 reviews
Cathay Pacific
7.6
Good
921 reviews

Boarding

7.9

Entertainment

7.8

Crew

8.0

Food

7.3

Overall

7.6

Comfort

7.6

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Turkish Airlines
7.3
Good
3,895 reviews
Cathay Pacific
7.6
Good
921 reviews

Boarding

7.9

Entertainment

7.8

Crew

8.0

Food

7.3

Overall

7.6

Comfort

7.6

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional

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 $1,103, 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 Qatar Airways and Turkish Airlines - these airlines can fly you to your destination from $1,241 and $1,289, respectively. Lufthansa is priced at 23% 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 $1,043. Finnair flights start at $1,173 while deals on Qatar Airways start at $1,264 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, February is the cheapest month in which you can book a flight from Helsinki to Sydney (average of $1,040). Flying from Helsinki to Sydney in December is currently the most expensive (average of $1,630). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,096Average$1,371FlexibilityNo cancel feeOn-time76%

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