✈ SFO → HEL
11H 8M, 5,421 MI. THE AIRLINE OWES YOU SOMETHING. THEY WON'T GIVE IT.
Flight from San Francisco to Helsinki
From SFO (SFO), USA North America → Vantaa (HEL), Finland Europe
How long is the flight from San Francisco to Helsinki?
A nonstop flight from San Francisco (SFO) to Helsinki (HEL) takes about 11 hours 8 minutes, covering a great-circle distance of 5,421 miles (8,724 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
11h 8m
Nonstop, scheduled
Distance
5,421 mi
8,724 km · great-circle
Avg speed
783 km/h
Door-to-door including taxi
Time zones & jet lag
San Francisco timezone
UTC-7
America/Los_Angeles
Helsinki timezone
UTC+3
Europe/Helsinki
Time difference
+10h
10 hours ahead
Jet lag (rough)
~10d
Eastward — worse
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.