✈ SEA → ATH
SEATTLE → ATHENS IN 12H 36M. CONSIDER BUSINESS CLASS. NO, REALLY.
Flight from Seattle to Athens
From Sea-Tac (SEA), USA North America → Eleftherios Venizelos (ATH), Greece Europe
How long is the flight from Seattle to Athens?
A nonstop flight from Seattle (SEA) to Athens (ATH) takes about 12 hours 36 minutes, covering a great-circle distance of 6,181 miles (9,947 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
12h 36m
Nonstop, scheduled
Distance
6,181 mi
9,947 km · great-circle
Avg speed
790 km/h
Door-to-door including taxi
Time zones & jet lag
Seattle timezone
UTC-7
America/Los_Angeles
Athens timezone
UTC+3
Europe/Athens
Time difference
+10h
10 hours ahead
Jet lag (rough)
~10d
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.