Moderator: Lufthansa Miles & More, India based airlines, India, External Miles & Points Resources
Join Date: Dec 2002
Location: MUC
Programs: LH SEN
Posts: 48,187
The upgrade needs to take place before the evouchers expire. The ticket can be for travel beyond the expiry date. If your travel plans on the upgraded ticket change, the evouchers can be redeposited and used for a new/changed plan/ticket within a very short period.