✈ BOS → SIN
18H 46M, 9,399 MILES. YOUR ANCESTORS WALKED LESS THAN THIS.
Flight from Boston to Singapore
From Logan (BOS), USA North America → Changi (SIN), Singapore Asia
How long is the flight from Boston to Singapore?
A nonstop flight from Boston (BOS) to Singapore (SIN) 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
Boston timezone
UTC-4
America/New_York
Singapore timezone
UTC+8
Asia/Singapore
Time difference
+12h
12 hours ahead
Jet lag (rough)
~12d
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.