One can easily reach Lausanne, as it has a very efficient infrastructure.

There are regular trains from Geneva, Zurich, Berne, St. Gallen and Neuchatel. There are also four trains every day from Paris and five from Milano, Italy.

The nearest airport to Lausanne is the Geneva Airport, which is well linked to all major European cities, and even to the USA. There are regular trains between Geneva Airport and the Lausanne train station. It takes only 45 minutes to get to Lausanne, and the trains run usually twice an hour.

One of the best ways to arrive to Lausanne is by boat. You can take the boat from Geneva, Evian or Montreux. For detailed schedules of the boat company visit:
http://www.cgn.ch/en/home/ (French and German version of the website also available).