Migrating from WordPress to Contentful is described as a simple and flexible process that enhances content management capabilities, as detailed by Stephen Ostentoski, an Application Architect at Avatria. The migration involves extracting data from WordPress using its export functionality to obtain an XML file, which is then used to model content in Contentful. This process includes defining content structures, such as blog posts, by determining key fields and utilizing Contentful's APIs for data conversion and entry creation. The use of the Contentful Management API, particularly with Python SDK, facilitates this transition, allowing for the creation of structured content entries like links, articles, and page metadata. Manual intervention is suggested for elements like images, which are complex to automate. The migration strategy aims to achieve a more dynamic content model that can support future enhancements, with a balance between automation and manual input tailored to specific project needs. The result is a flexible content library accessible via Contentful's API, enriching Avatria's internal and marketing initiatives.