Steps to change a passenger's name on a KLM flight:

  • Click "My Trips" after visiting the KLM website or calling +1 802 332 0104 (KLM change phone number).
  • Enter the last name of the traveler and the reservation number.
  • Enter the dashboard.
  • Choose a KLM ticket under the incorrect name.
  • For a ticket, select "Edit/Change name" from the menu by KLM Change Name on Ticket.
  • On the KLM airline ticket, write "New Name."
  • Save the new name for the KLM flight ticket at this time.
  • Pay the KLM name-change fees, if they are required.

Visit:- https://adminclub.org/showthread.php?tid=2299