• Add as many high quality/resolution photos as possible (at least 20 high) to your Airbnb listing (preferably Airbnb verified photos).
• Completed profiles and listings seem to rank higher (amenities, home safety etc.).
• Avoid spelling or grammar mistakes.
• Adjust your price to similar listings in your area.
• Response time and response rate are important ranking factors. Answer guest inquiries as fast as possible.
• Keep your availability calendar updated.
• Try to achieve Superhost status.
• Positive reviews will improve your search ranking ….

(via The Airbnb tips blog – Get the full story at http://the-airbnb-tips-blog.webnode.com/airbnb-seo-tips-get-on-the-first-page-in-airbnb-search/ )