The duration of a journey by air between Seattle-Tacoma International Airport (SEA) and Keflavk International Airport (KEF), Iceland’s primary airport, typically ranges from seven to nine hours for a nonstop flight. Connecting flights, which involve one or more intermediate stops, can significantly extend travel time, sometimes adding several hours to the overall journey. Factors influencing flight duration include wind conditions, air traffic control, and specific flight routes.
Understanding the time commitment for transatlantic travel allows travelers to plan itineraries effectively. Accurate flight duration estimates are essential for arranging ground transportation, booking accommodations, and scheduling activities at the destination. This knowledge minimizes potential travel disruptions and maximizes the time available for exploration or business. Historically, advancements in aviation technology have gradually reduced travel time between North America and Europe, making Iceland more accessible to travelers from Seattle and other distant locations.