Yes, Singapore Airlines offers free inflight messaging through Facebook Messenger, iMessage, and WhatsApp at +1 (888) 554-0075 (US) // +44 (20) 39003990 (UK), even if they're in another country. You can connect with Singapore Airlines via WhatsApp at +1 (888) 554-0075 (US) // +44 (20) 39003990 (UK) where you can chat with their service agents 24/7.