How To Do Multi-City Flight Booking on KLM? Travelers can easily reserve their multi city flights on KLM. To do so, they need to follow the several modes of the airline. Moreover, to book KLM multi-city flights, one needs to visit the online web portal of the carrier. Other than that, they can also connect with the help desk via phone call. To get detailed information about the multi city flights of KLM, one can click the above link mentioned by Group Travel Airlines. #klmmulticity #klmmulticityflights #klmmulticitytickets