How do I get to the Simplon Pass?
Flights to Switzerland: Geneve, Zürich, Basel
It is possible to fly to Milan, too.
The airports in Geneva and Zürich have both direct connection to the rail service SBB. From the airport you can take a train to Brig station. From Brig, it is possible to take a public bus to the Simplon Pass. The bus stop on Simplon Pass is called "Monte Leone".
Timetable for trains and buses in Switzerland.