London Gatwick airport has two terminals, connected by a monorail train, it's a short journey to travel between them.
All British Airways flights depart from Gatwick’s North Terminal. If part of your journey departs from or arrives into the South Terminal, please follow signs for Flight Connections to transfer terminals for your next flight.
Please choose the route you will be travelling, depending on whether your arriving and departing flights are International or Domestic (UK, Republic of Ireland and Channel Islands):