From
WDWNT:
Tickets related to a particular park will be retired as part of these changes, so there will be no more 1-day Magic Kingdom-only tickets offered. Everything is back to one price.
Under the new system, 1-Day base tickets are valid for admission on the specific start date selected. Multi-day tickets are valid for admission beginning on the start date selected and must be used within a limited time period, as indicated below:
Ticket Duration Valid Use Period
1-Day Ticket Only the start date selected
2-Day Ticket Any 2 days within 4 days beginning on the start date
3-Day Ticket Any 3 days within 5 days beginning on the start date
4-Day Ticket Any 4 days within 7 days beginning on the start date
5-Day Ticket Any 5 days within 8 days beginning on the start date
6-Day Ticket Any 6 days within 9 days beginning on the start date
7-Day Ticket Any 7 days within 10 days beginning on the start date
8-Day Ticket Any 8 days within 12 days beginning on the start date
9-Day Ticket Any 9 days within 13 days beginning on the start date
10-Day Ticket Any 10 days within 14 days beginning on the start date