WP Travel plugin provides the feature regarding renaming text Trip Type using the filter on a single trip page as per your requirement.

You can rename the text ‘Trip Type‘ by adding the following given code in the functions.php file of your child theme.
function wp_travel_customized_trip_type_label( $strings ) {
$strings['trip_type'] = 'Your text here';
return $strings;
}
add_filter( 'wp_travel_strings', 'wp_travel_customized_trip_type_label' );
For detail information regarding how to create a child theme, please refer to our Knowledgebase.

Also, if you want to learn more about the filter hook that is used to rename the strings available in the WP Travel plugin, please once refer specific hook page.
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