✈ SEA → BCN
11H 9M FROM SEATTLE TO BARCELONA. THIS IS A LIFESTYLE NOW.
Flight from Seattle to Barcelona
From Sea-Tac (SEA), USA North America → El Prat (BCN), Spain Europe
How long is the flight from Seattle to Barcelona?
A nonstop flight from Seattle (SEA) to Barcelona (BCN) takes about 11 hours 9 minutes, covering a great-circle distance of 5,425 miles (8,730 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
11h 9m
Nonstop, scheduled
Distance
5,425 mi
8,730 km · great-circle
Avg speed
783 km/h
Door-to-door including taxi
Time zones & jet lag
Seattle timezone
UTC-7
America/Los_Angeles
Barcelona timezone
UTC+2
Europe/Madrid
Time difference
+9h
9 hours ahead
Jet lag (rough)
~9d
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.