Originally Posted by
cas_de
You might need to search for an itin that is fully operated by LH using LH flight #s. The "Redeem Voucher" field disappears as soon as you have a wetlease flight as part of your trip (for example LH1234 op by EN). CL seems to be the only exception from this rule that I have encountered.
Try 2 dIferent bookings with LH flights from ATH to FRA and yes show thw voucher option and then try from ATH to OSL again LH but NOTHIN, NO option for voucher code !