Everything I've read says Disney normally only charges you a fee if you downgrade. I'm sure Disney reserves the right of course, but most people report no fees for upgrading.
They canceled mine and rebooked when I added tickets to the room only ressie. Had to do a new deposit and they credited the old one back in a few days. Also told me now I have up to 3 days prior to add dining if I want.
Save Up to 30% on Rooms at Walt Disney World!
Save up to 30% on rooms at select Disney Resorts Collection hotels when you stay 5 consecutive nights or longer in late summer and early fall. Plus, enjoy other savings for shorter stays.This offer is valid for stays most nights from August 1 to October 11, 2025.
CLICK HERE