You can get to Bergamo by different means of transportation.

BY CAR
Take the motorway A4 Milano-Venezia and exit in Bergamo.

BY TRAIN 

                                         

From any city in Lombardy TRENORD
From any city in Italy TRENITALIA, ITALO

BY BUS 
From Milan and Brescia Airports to Bergamo Airport http://autostradale.it/ 
From Milano Stazione Centrale and Malpensa Airport to Bergamo Airport http://www.orioshuttle.com/  
From MIlano Stazione Centrale to Bergamo Airport http://www.terravision.eu/

BY PLANE
Land at Orio al Serio International Airport from all over Europe. 

                                     

Fly with low cost airlines as Ryanair and WizzAir, or with Alitalia, Lufthansa, AirDolomiti, MeridianaFly, ecc.    http://www.sacbo.it/Airpor/portalProcess.jsp 

To reach the city center you can take a Taxi or take a local bus ATB Line 1  http://www.atb.bergamo.it/ENG/homepage.aspx