There are several modes of reserving a group flight ticket available on KLM. One can visit its official website to request a quotation for group fight booking. On the other hand, KLM group travel can be secured by contacting the group reservation desk of the airline via phone call. For more information about the group travel services of KLM, flyers can read the blog mentioned by Group Travel Airlines.
Read more: https://www.grouptravelairlines.com/flights/klm-group-booking