Thai Airways is the flag carrier airline of Thailand, and its loyalty program called Royal Orchid Plus. ThankYou Points can be transferred to Royal Orchid Plus at a ratio of 1,000 ThankYou Points to 1,000 Royal Orchid Plus Miles. Thai Airways participate in the Star Alliance Alliance which includes airlines such as Lufthansa, SAS, Shenzhen Airlines, Singapore Airlines, South African Airways, SWISS, TAP Air Portugal, Thai Airways, Turkish Airlines, United Airlines and more.