✈ SFO → ATH
13H 46M FLIGHT. YOU WILL CRY DURING A ROMCOM. IT'S FINE.
Flight from San Francisco to Athens
From SFO (SFO), USA North America → Eleftherios Venizelos (ATH), Greece Europe
How long is the flight from San Francisco to Athens?
A nonstop flight from San Francisco (SFO) to Athens (ATH) takes about 13 hours 46 minutes, covering a great-circle distance of 6,793 miles (10,932 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
13h 46m
Nonstop, scheduled
Distance
6,793 mi
10,932 km · great-circle
Avg speed
794 km/h
Door-to-door including taxi
Time zones & jet lag
San Francisco 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.