You can manage the available calendar online of Airbnb with this function. Just set the price for each day then import to the website.
Following the steps bellow to get calendar’s url to use in our theme:
Step 1: Login with your account in Airbnb website.
Step 2: In the dashboard, select Listings on the menu header.
Step 3: You can config calendar in Availability tab.
Step 4: After completed the step 3, scroll down to the bottom of page to get the calendar url at Export Calendar section.