✈ ICN → BOS
SEOUL → BOSTON IN 13H 48M. CONSIDER BUSINESS CLASS. NO, REALLY.
Flight from Seoul to Boston
From Incheon (ICN), South Korea Asia → Logan (BOS), USA North America
How long is the flight from Seoul to Boston?
A nonstop flight from Seoul (ICN) to Boston (BOS) takes about 13 hours 48 minutes, covering a great-circle distance of 6,813 miles (10,965 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
13h 48m
Nonstop, scheduled
Distance
6,813 mi
10,965 km · great-circle
Avg speed
794 km/h
Door-to-door including taxi
Time zones & jet lag
Seoul timezone
UTC+9
Asia/Seoul
Boston timezone
UTC-4
America/New_York
Time difference
-13h
13 hours behind
Jet lag (rough)
~9.1d
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.