By car and through public bus lines:
From Switzerland border – Chiasso customs
From Switzerland border- Brogeda customs
From Milano Linate Airport
From Milano Malpensa Airport
From Milano Centrale railway station

By Train:
Reach Milano Centrale station and continue with line direction Lecco-Sondrio stopping at Varenna where you will have to take ferry to Bellagio.
(Please see below National Railways and Lake Como Ferry Service sites)

Informations about main Airports and Public Transports:
Switzerland – Lugano Airport
Milano Linate Airport
Milano Malpensa Airport

Informations about main public transports:
TrenItalia – National Railways
Ferrovie Nord Milano – TreNord – Local Railways
ASF Linee Bus Como – Local Bus Line
Linee Lecco – Local Bus Line
Navigazione Lago di Como – Ferry Service
Switzerland National Railways
Autopostale Svizzera – Switzerland Bus Line