All the functionality of the WP Travel plugin should work fine with the Elementor page builder. However, there may raise some minor layout issues. To enhance your experience using WP Travel with Elementor, we have a separate WP Travel Gutenburg & Elementor blocks plugin which is free to download. Using this plugin, you would be able to insert several Elementor WP Travel widgets and Gutenberg WP Travel blocks.
For detail please once refer given documentation link.
If you need any further assistance, please feel free to submit your queries in contact page.