On Paris Visite Pass, there is 20% discount on Disneyland 1 day/2 parks ticket. But if I purchase the ticket online how can I get the discounted ticket using the Paris Visite pass?
I looked everywhere but couldn't find a really clear answer. I do think however, that you have to buy the ticket at the park and cannot buy online. This source for the same discount, but last year indicates:
I found the same for 2012, so it's probable it will still be the same now.