The Consumentenbond warns that popular travel booking websites like Cheaptickets.nl and Kiwi often charge excessively high prices for flights, with hidden fees for services like seat reservations and baggage. Their research indicates that tickets on airline websites tend to be significantly cheaper. Additionally, the organization highlights aggressive marketing tactics that pressure customers into booking quickly, along with issues regarding name corrections that could lead to additional costs. The situation has reportedly worsened since their last investigation in 2022.