If you drive, prebook Gatwick Long Stay or Valet parking to lock in lower prices

https://brookstsgd837.bearsfanteamshop.com/croydon-to-gatwick-airport-tram-train-and-bus-options-2

If you drive, prebook Gatwick Long Stay or Valet parking to lock in lower prices. Shuttles from Long Stay run frequently; build in extra time for bus transfer to terminals.