✈ ORD → HEL
9H 14M. CHICAGO TO HELSINKI. YOUR BACK WILL FILE A COMPLAINT.
Flight from Chicago to Helsinki
From O'Hare (ORD), USA North America → Vantaa (HEL), Finland Europe
How long is the flight from Chicago to Helsinki?
A nonstop flight from Chicago (ORD) to Helsinki (HEL) takes about 9 hours 14 minutes, covering a great-circle distance of 4,424 miles (7,119 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
9h 14m
Nonstop, scheduled
Distance
4,424 mi
7,119 km · great-circle
Avg speed
772 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Helsinki timezone
UTC+3
Europe/Helsinki
Time difference
+8h
8 hours ahead
Jet lag (rough)
~8d
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.