I don't know for sure, but my guess is no. The cruises, even though they are still Disney, are different reservations, so I don't think there's any way to transfer money from one to the other. We are taking our first
DCL cruise in December, so I'm still learning things on that end

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I didn't think to say this in my first post, but could you lessen the amount of your package and pay the balance by the final payment date, and then add the components back on a week or two later? I'm not sure how many ticket days you have or if you have the
DDP, but you could drop the tickets down to a 1 day base for everybody (or 2 day base if you're booked under FD) and drop the DDP (unless you have FD), and then add the DDP and upgrade the tickets when you have the money. Or you could get the minimum ticket days for your package and upgrade those when you get to Disney. The DDP must be added at least 72 hours (3 days) prior to arrival, so as long as it's added back on by that time, you will be fine. Usually the $50 change fee is only charged when the cost of a package decreases, but in your case, it would increase, so there shouldn't be a charge. HTH

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