Here are some answers to your most pressing wedding-invite-related questions. 1. When should we send out our wedding invitations? Traditionally, invitations go out six to eight weeks before the weddingâthat gives guests plenty of time to clear their schedules and make travel arrangements if they don't live in town. If it's a destination wedding, give guests more time and send them out three months ahead of time. Most couples also send out save-the-date cards. They go out at six to eight months.