✈ SEA → MEL
16H 26M FROM SEATTLE TO MELBOURNE. THIS IS NOT TRAVEL. THIS IS ENDURANCE.
Flight from Seattle to Melbourne
From Sea-Tac (SEA), USA North America → Tullamarine (MEL), Australia Oceania
How long is the flight from Seattle to Melbourne?
A nonstop flight from Seattle (SEA) to Melbourne (MEL) takes about 16 hours 26 minutes, covering a great-circle distance of 8,186 miles (13,174 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
16h 26m
Nonstop, scheduled
Distance
8,186 mi
13,174 km · great-circle
Avg speed
802 km/h
Door-to-door including taxi
Time zones & jet lag
Seattle timezone
UTC-7
America/Los_Angeles
Melbourne timezone
UTC+10
Australia/Melbourne
Time difference
+17h
17 hours ahead
Jet lag (rough)
~17d
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.