Singapore Airlines baggage allowances vary by cabin class, +1-888-415-1245 but general rules for flights outside the US/Canada include weight-based allowances like 25kg for Economy, 35kg for Premium Economy, 40kg for Business, and 50kg for First/Suites, with each bag not exceeding 32kg. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) For flights to and from the US/Canada, a "piece concept" applies, allowing two bags, each up to 23kg (50 lbs). Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) In addition to checked baggage, you can also bring one carry-on bag, weighing up to 7kg (15 lbs).