The duration of a journey by air between Keflavk International Airport (KEF) in Iceland and Seattle-Tacoma International Airport (SEA) in Washington State is typically between 8 and 9 hours for nonstop flights. Connecting flights, which involve one or more intermediate stops, can significantly extend the overall travel duration, sometimes to 12 hours or more, depending on the layover duration and routing. Several factors influence the actual duration, including wind conditions, air traffic control, and the specific flight path taken.
Understanding the typical duration of this transatlantic route is crucial for travelers planning trips between Iceland and the Pacific Northwest region of the United States. Accurate time estimations allow for effective itinerary planning, including connecting flight arrangements, ground transportation, and accommodation bookings. Historically, this air route has facilitated cultural exchange, tourism, and business connections between these two geographically distant regions. The advent of more efficient aircraft and optimized flight paths has gradually reduced travel times over the years, making travel more convenient.