Geneva city not airport.
we have half fare card and family card.
a day trip from Geneva to Chamonix or stay 1 night at Chamonix? we need head to brig after Geneva or Chamonix on 20 Decembe. personally plan to have a day trip from Geneva to Chamonix, back to Geneva and next day train to brig. don't want to carry heavy luggages and just stay at Chamonix for 1 night. any locals or who have done this trip before will think any better way?