Yes, it is possible to add different prices for different categories like a child, adult, infant, etc. for a single trip using the WP Travel Pro plugin.

WP Travel Pro plugin comes with multiple pricing options from which you can add different prices for a different category. To set different prices for different categories like a child, adult, infant, etc., you have to click add new button in the backend section.

If you have any confusion then please post them in our official support forum