The Singapore Airlines pet policy is as follows:
Pets are not accepted in the aircraft cabin.
Your pet can travel with you on the same flight as checked baggage, as long as it’s at least three months old. All domesticated cats and most dog breeds are accommodated.
Singapore Airlines is unable to accept certain dog breeds as checked baggage on all flights.
Due to specific destination restrictions, Singapore Airlines is unable to transport your pet into or out of the following destinations as checked baggage: Australia; Brunei; Denpasar, Bali; New Zealand; South Africa; Turkey; Dubai; Hong Kong SAR; and the United Kingdom.
Due to Occupational Health and Safety rules, if the combined weight of your pets and its container exceeds 32kg, your pet will instead travel in cargo.
To arrange for your pet to travel in the air-conditioned comfort and security of cargo, contact your local Singapore Airlines Cargo office before your flight.
Taking a pet to a foreign country involves preparation and planning far in advance of your departure date. Requirements for pet travel to a foreign country are set by the destination country. If you are you traveling to another country and bringing along your pet you’ll need to meet the animal health requirements of the country you are visiting.
More information on the Singapore Airlines pet policy