The duration of a flight from Kenya to the UK depends primarily on whether you take a direct or connecting flight. A direct flight from Nairobi (NBO) to London (LHR), operated by airlines like British Airways or Kenya Airways, typically takes approximately 9 hours and 20 minutes. This route covers a distance of roughly 4,274 miles (6,877 km). If you choose an indirect flight with a layover in a hub like Dubai, Doha, or Addis Ababa, the total travel time can increase significantly, usually ranging from 13 to 18 hours depending on the length of the connection. Flights from other Kenyan cities like Mombasa almost always require a stop, pushing the travel time toward the higher end of that scale. When booking, it is also important to consider the 3-hour time difference (during UK winter) between Kenya (EAT) and the UK (GMT), which can affect your perception of the journey's length upon arrival.