For about 10 years the region can be reached easily from the west via Zurich-Klosters and the Vereinatunnel. The Oberengadin with Sankt Moritz are close with direct Access to Italy and Milano in the South.
On the East side the Austrian border is close with Innsbruck less than 1,5 hour.

See also: Innsbruck airport www.innsbruck-airport.com; Milan-Bergamo airport www.sacbo.it;
Zurich airport www.zurich-airport.com;
For Connections by train: www.sbb.ch; For Connections by bus: www.oebb.at;