FLIGHT TIME / CALCULATED ESTIMATE
Porto ↗ Seattle
OPO / Francisco de Sá Carneiro AirportSEA / Seattle–Tacoma International Airport
MODELLED FLYING TIME10h 28mIllustrative estimate, not a scheduled flight
GREAT-CIRCLE DISTANCE8,187 kmGeographic straight-line distance
ROUTE CATEGORYInternationalOrigin and destination country records
How long is the flight?
The calculated airborne flight-time estimate between Porto (OPO) and Seattle (SEA) is approximately 10 hours and 28 minutes for a modelled route length of 8,187 km.
This is not a confirmed nonstop service or published airline schedule. Airlines can use different paths, and connection time, taxiing, winds, weather, airspace restrictions and operational delays can change the actual journey.
Reference coordinates
Departure: Francisco de Sá Carneiro Airport. Arrival: Seattle–Tacoma International Airport. Both airport-code and coordinate records are drawn from the site’s imported aviation dataset, with initial curated data used until refreshed.