✈ SEA → BKK
15H 1M IN A METAL TUBE. 7,448 MILES. EARN THE LEG.
Flight from Seattle to Bangkok
From Sea-Tac (SEA), USA North America → Suvarnabhumi (BKK), Thailand Asia
How long is the flight from Seattle to Bangkok?
A nonstop flight from Seattle (SEA) to Bangkok (BKK) takes about 15 hours 1 minutes, covering a great-circle distance of 7,448 miles (11,987 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
15h 1m
Nonstop, scheduled
Distance
7,448 mi
11,987 km · great-circle
Avg speed
798 km/h
Door-to-door including taxi
Time zones & jet lag
Seattle timezone
UTC-7
America/Los_Angeles
Bangkok timezone
UTC+7
Asia/Bangkok
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.