Jun 8, 2016 - 5:22 PM
I have already reserved my seats in Glacier express in 1st Class. And i have bought 2nd class Swiss travel pass. Kindly advise -
1)is it possible to upgrade my travel to 1st class and
2)where can this be done
3)what is differential that i have to pay for 2 adults and 1 child aged 8 years.
4)Can i upgrade by doing the payment online.