KLM offers convenient check-in options, including online and mobile check-in, as well as airport counters. Online check-in opens 30 hours before the flight, allowing passengers to choose seats and receive mobile boarding passes.

Online/App: Easiest way! Enter e-ticket/booking reference, choose seat (optional), confirm baggage, get digital/printed boarding pass.
Airport Kiosk: Scan passport/boarding pass, choose seat (optional), print boarding pass.
Counter: Agent helps with check-in and any questions.

For quick and efficient KLM Check-In, visit the KLM website or contact customer service 1 (800) 618-0104 or 1-844-902-4930 (OTA-Skip Waiting).For additional details on KLM Check-In, refer to the Airlines Pet Policy website or seek quick assistance.