Choose the airport that fits the whole London trip
Use this planner when you want an expert answer, not just the cheapest flight. It weighs hotel geography, arrival style, trip type, luggage friction, fare discipline, and whether you are trying to optimize for a smoother city arrival, a smarter cruise connection, or the lowest-regret airport overall.
Choose the airport that fits the whole trip, not just the ticket
This planner works best before you book, when you still have a meaningful airport choice and want a stronger answer than simply sorting flights by price. Think of it as a whole-trip filter: which airport will still feel like the smart decision after the flight, transfer, hotel direction, and arrival experience are all taken into account?
The right airport is usually the one that still looks smart after you add the hidden part of the journey: transfer time, hotel direction, arrival fatigue, luggage handling, and how much inconvenience you are actually willing to buy in exchange for a lower fare.
When Heathrow should probably win
Heathrow usually deserves the edge when the trip is long-haul, the hotel sits west or central, and you want the airport choice least likely to produce transfer regret later. It is often the airport that keeps the most parts of the trip reasonably easy at the same time.
When London City becomes worth paying for
London City earns its premium when the time you save on the ground will be felt immediately: shorter stays, lighter packing, central or east London hotels, business-style timing, or travelers who value a clean fast finish more than a cheaper ticket.
When cheaper airports are still defensible
Stansted and Luton can still be the right call, but only when the savings are genuinely meaningful after you mentally price in the transfer penalty. They are smartest when chosen deliberately by fare-led travelers, not when selected by habit or by a shallow search-screen sort.