✈ BKK → SFO
15H 56M FLIGHT. YOU WILL FORGET WHAT GRASS LOOKS LIKE.
Flight from Bangkok to San Francisco
From Suvarnabhumi (BKK), Thailand Asia → SFO (SFO), USA North America
How long is the flight from Bangkok to San Francisco?
A nonstop flight from Bangkok (BKK) to San Francisco (SFO) takes about 15 hours 56 minutes, covering a great-circle distance of 7,922 miles (12,749 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
15h 56m
Nonstop, scheduled
Distance
7,922 mi
12,749 km · great-circle
Avg speed
800 km/h
Door-to-door including taxi
Time zones & jet lag
Bangkok timezone
UTC+7
Asia/Bangkok
San Francisco timezone
UTC-7
America/Los_Angeles
Time difference
-14h
14 hours behind
Jet lag (rough)
~9.8d
Westward — easier
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.