✈ SIN → BOS
18H 46M, 9,399 MILES. YOUR ANCESTORS WALKED LESS THAN THIS.
Flight from Singapore to Boston
From Changi (SIN), Singapore Asia → Logan (BOS), USA North America
How long is the flight from Singapore to Boston?
A nonstop flight from Singapore (SIN) to Boston (BOS) takes about 18 hours 46 minutes, covering a great-circle distance of 9,399 miles (15,127 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
18h 46m
Nonstop, scheduled
Distance
9,399 mi
15,127 km · great-circle
Avg speed
806 km/h
Door-to-door including taxi
Time zones & jet lag
Singapore timezone
UTC+8
Asia/Singapore
Boston timezone
UTC-4
America/New_York
Time difference
-12h
12 hours behind
Jet lag (rough)
~8.4d
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.