Connecting flights – when to choose London Heathrow

If you are traveling between two cities that lack the possibility of non-stop flights, the only way to go is to choose a connecting flight. In many cases there are several connecting airports to choose from, with the different options being more or less convenient.

List of flights where Heathrow is the fastest connection airport

In a number of cases, the best connection is found at London Heathrow Airport – and we can tell you when! In the following list you find a selection of flights where Flightroutes have determined London Heathrow Airport to be the best connecting airport. The list contains flights chosen based on the following criteria:

• London Heathrow Airport is the fastest flight option by more than 15 minutes compared to a second option.
• It's a connecting flight with one stop.
• Both legs are flown by the same airline.
• There are at least two possible connecting airports but no non-stop options for this trip.

This list was updated on June 2025

Choose another airport

• Best flight path – choose the right connecting airport