The Timeline That Determines Whether You Get Your Dream Trip or Settle for What's Left Quick Answer: Start planning your honeymoon 9-12 months before your wedding date. This timeline gives you access to the best accommodations, lowest airfares, more flexibility and preferred rates,saving couples an average of $3,200. For peak season destinations, start 12-15 months ahead. You said "Yes"! Already posted your photos online. Getting comments and congratulations from friends worl