What is the toll free number for singapore airlines? Singapore Airlines Perth toll free customer service number : +61 8 9479 8166 , Singapore Airlines London toll free customer service number : 020-8961-6993. Singapore Airlines Jfk toll free customer service number : +1 (718) 751-3830, +1 (800) 742-3333.What is the phone number for singapore airlines? Phone Number of Singapore Airlines Australia Contact is +61 8 8154 9400 . Singapore Airlines Limited is the premier airline services company which serves over 62 domestic and international destinations. The airline company is owned and managed by Temasek Holdings which is a government investment company based in Singapore.What is the address of singapore airlines? The address of Singapore Airlines is Airline House, 25 Airline Road, Singapore 819829, Singapore.