I can not figure out what kind of ticket I should buy to go from orly to disneyland. I already know that I have to take the orlyval to Antony after the RER B until chatelet le halles to change to the RER A. I just can not understand if 1 ticket gives this route or if for each, I have to buy a ticket (and which) . We are 2 adults and 2 children (3 and 7 years old)
The Orlyval ticket office at Orly can sell you a custom single-use ticket good for that entire trip. There should be discounts for the young ones.
The only multi-use pass that can make that trip is the Paris Visite 5-zone.