Originally Posted by
taigatrommel
eVoucher can only be used for upgrades on fully integrated Miles& More partners (LH, LX, OS, SN, LO).
On SQ and other *A carriers only miles can be used for an upgrade.
Untrue. See
http://www.lufthansa.com/online/port...d=2011776&l=en
Adria Airways, Air Dolomiti, the Austrian Airlines Group, Croatia Airlines, LOT Polish Airlines, Lufthansa, Lufthansa Regional, SWISS, All Nippon Airlines, Singapore Airlines and United.