Originally Posted by
pandaperth
Your new itinerary looks valid*. It now has an extra continent (Sth America). You will be up for the following:
- The incremental cost for the extra continent (IIRC - this should the incremental cost as it was when you originally ticketed - not what it is today)
- If you ticketed during the recent 10% off sale, then you'll lose that discount
Why would you lose the sale discount?
If the incremental cost is for the originally ticketed fare, you automatically keep the discount. (the discount was implemented as a reduction of the fare).