KLM Airlines BKK Terminal from Suvarnabhumi Airport (BKK) in Bangkok. Travelers may locate KLM in Concourse G's main terminal building. The check-in desks are located in Row M and open three hours prior to the scheduled departure time. Among other useful features, the airline offers priority check-in for customers flying in Elegance. Passengers can relax in the grandeur of the Sky Lounge before their journey. KLM staff members are available to help with any inquiries.