Last Day To Mail Christmas Cards 2025. If you want your cards to arrive before december 25th, the last day to mail christmas cards is december 18th —unless you’re using priority or rush delivery. Here's when to mail gifts and cards so they arrive on time for christmas by the u.s.

Get reliable info to help your cards arrive on time. As christmas day is gradually getting closer, you should ideally be starting to send cards and presents to your loved ones.