✈ ICN → HEL
9H 7M. SEOUL TO HELSINKI. YOUR BACK WILL FILE A COMPLAINT.
Flight from Seoul to Helsinki
From Incheon (ICN), South Korea Asia → Vantaa (HEL), Finland Europe
How long is the flight from Seoul to Helsinki?
A nonstop flight from Seoul (ICN) to Helsinki (HEL) takes about 9 hours 7 minutes, covering a great-circle distance of 4,369 miles (7,032 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
9h 7m
Nonstop, scheduled
Distance
4,369 mi
7,032 km · great-circle
Avg speed
771 km/h
Door-to-door including taxi
Time zones & jet lag
Seoul timezone
UTC+9
Asia/Seoul
Helsinki timezone
UTC+3
Europe/Helsinki
Time difference
-6h
6 hours behind
Jet lag (rough)
~4.2d
Westward — easier
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.