This filter allows you to remove the title of the trip if you don’t want it to display in the single trip page.

Source

File : /templates/content-single-itineraries.php

Example :

function prefix_wp_travel_show_single_page_title( $show ) {
    return false; // This will hide the page title.
}
add_filter( 'wp_travel_show_single_page_title', 'prefix_wp_travel_show_single_page_title'  );