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