This can only be done in the WooCommerce Products section, NOT in the The Events Calendar ticket section.

Under WooCommerce Products, change the events’ Catalog visibility from hidden to whatever visibility you want. THIS IS VERY IMPORTANT! If you don’t, the WooTicket ticket will only show on your event calendar, and not in your WooCommerce store.* Read the full post

Click to enlarge:

WooTicket - Display Ticket Event in WooCommerce Shop

*SOURCE: Huge shout-out to Vincent Wondra from Bootstrap Business Solutions for the “How to setup a new event and sell tickets to it with The Event Calendar, WooTickets, and WooCommerce” post!