Passengers with connecting flights should follow the Flight Connections signs.

Pedestrian access between Terminals 1, 2 and 3 is by underground walkways, most by moving walkway.

On foot transfer between terminals can take up to 10 minutes so allow plenty of time.

Transfer between the central area terminals (Terminals 1, 2 and 3), and Terminal 4 is by the Heathrow Express train service. This transfer is free. Follow the signs.