If you go by train there are three main options
Tickets are released around 3 months before travel and the cheapest seats go first.
- Overnight sleeper from Paris : arriving at 07.00 in Bourg refreshed
- Eurostar Direct : faster, but no couchette
- Normal trains : through the whole year, via Chambery
Tickets are released around 3 months before travel and the cheapest seats go first.