Full Flex entitles you to make 1 free-of-charge amendments to your original booking up to 30 days before the departure date.
Once you have used your free Full Flex amendments, you cannot change dates again unless you pay the remaining balance in full so that Ultimate Flex applies.
Ultimate Flex entitles you to make unlimited free-of-charge amendments to your original bookings, date, and tour program up to 14 days before the departure date.