✈ HEL → SYD

18H 51M FROM HELSINKI TO SYDNEY. THIS IS NOT TRAVEL. THIS IS ENDURANCE.

Flight time
18h 51m
Distance
9,445 mi
Or
15,200 km
Jet lag
7h

Flight from Helsinki to Sydney

From Vantaa (HEL), Finland Europe  →  Kingsford Smith (SYD), Australia Oceania

↔ Flying the other way? Sydney → Helsinki

How long is the flight from Helsinki to Sydney?

A nonstop flight from Helsinki (HEL) to Sydney (SYD) takes about 18 hours 51 minutes, covering a great-circle distance of 9,445 miles (15,200 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.

Avg flight time

18h 51m

Nonstop, scheduled

Distance

9,445 mi

15,200 km · great-circle

Avg speed

807 km/h

Door-to-door including taxi

Time zones & jet lag

Helsinki timezone

UTC+3

Europe/Helsinki

Sydney timezone

UTC+10

Australia/Sydney

Time difference

+7h

7 hours ahead

Jet lag (rough)

~7d

Eastward — worse

CO₂ footprint per passenger

Economy class, single passenger. Source: DEFRA 2024 averages.

✈ Flight 2250 kg CO₂
🚗 Car (alone) 2599 kg CO₂
🚆 Train 623 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.