For most travelers in 2026, London City Airport (LCY) is considered the "easiest" due to its tiny size and proximity to the city center. You can go from the plane to the DLR (Docklands Light Railway) in under 15 minutes. However, if you are looking for the best balance of speed and flight options, London Heathrow (LHR) is the winner because of the Elizabeth Line. Since its expansion in the mid-2020s, the "Lizzy Line" has made getting from Heathrow to Central London (like Tottenham Court Road) seamless and affordable, taking about 35 minutes for roughly £13. Gatwick (LGW) is also a strong contender for "ease" if you are staying in South London, as the Gatwick Express to Victoria Station is incredibly reliable. Avoid Luton or Stansted if you want a "simple" arrival, as their bus and train transfers are significantly more cumbersome.