✈ MIA → SYD
MIAMI → SYDNEY: 18H 38M. BUSINESS CLASS OR THERAPY. PICK ONE.
Flight from Miami to Sydney
From Miami International (MIA), USA North America → Kingsford Smith (SYD), Australia Oceania
How long is the flight from Miami to Sydney?
A nonstop flight from Miami (MIA) to Sydney (SYD) takes about 18 hours 38 minutes, covering a great-circle distance of 9,334 miles (15,022 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
18h 38m
Nonstop, scheduled
Distance
9,334 mi
15,022 km · great-circle
Avg speed
806 km/h
Door-to-door including taxi
Time zones & jet lag
Miami timezone
UTC-4
America/New_York
Sydney timezone
UTC+10
Australia/Sydney
Time difference
+14h
14 hours ahead
Jet lag (rough)
~14d
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.