Flex Tickets can be modified and are reimbursable on the following basis of ticket prices excluding taxes:
90 % of the ticket price reimbursed up to one month before departure,
80 % of the ticket price reimbursed from 1 month until 7 days before departure,
50 % of the ticket price reimbursed from 7 days until 48 hours before departure,
No refund for cancellations made within 48 hours before or after departure.
The original tickets then become invalid.