What is the best route from Seattle to Nairobi?

The best route from Seattle to Nairobi typically involves a connecting flight, as there are no direct flights. Common layover cities include Amsterdam, London, or Frankfurt, where you can catch a connecting flight to Nairobi's Jomo Kenyatta International Airport (NBO). Depending on the airline and layover duration, the total travel time can range from approximately 18 to 24 hours. It's advisable to check various airlines for the best fares and schedules.