How do I Check In on KLM? To check in on KLM, you have several options. You can visit the airport and check in at their counter, use their website or mobile app for online check-in or utilize self-service kiosks at many airports. These choices make KLM Check In a convenient and flexible process. More information call at the helpline number 1-800-618-0104 or 1-844-902-4930 (OTA-Skip Waiting). Or read the blog on the Airlinespetpolicy site. 🌎Website: https://www.airlinespetpolicy.com/blog/klm-check-in-policy #klmcheckin #klmcheckinonline #klmcheckinbaggage #klmcheckintime #klmcheckinflight #klmcheckinatairport #klmcheckinbaggageweight