If you need to get in touch with KLM, If you want to ask questions, change your booking, or resolve any travel issues, you have multiple options. The KLM Customer Service team can be reached by phone, email, social media channels, or through the contact form on their website. Customer service agents are available 24/7 and can assist you in English and a variety of other languages. You can expect quick and helpful responses via your preferred contact method. For more information, read the blog on the Airlines airline pet policy site.