Singapore Airlines offers five classes of service on board, the suites class, first class, business class, premium economy, and economy class. Singapore Airlines has collaborated with two design firms, Designworks USA and James Park Associations, who are pioneers in creating and unveiling the next generation of cabin designs.

For passengers who have booked an air ticket with Singapore Airlines, the airline offer a wide range of food and beverage options on board. Regional dishes such as the Kyo-Kaiseki, Shi Quan Shi Mei, and Shahi Thali meals are regularly served and always available for first and business class passengers on flights to Japan, China, and India. In addition, passengers with air tickets on economy class have access to a premium book: the cook, which is a book offered by the airline to passengers to assist them to pre-select their meals.

The frequent flyer program of Singapore Airlines is called KrisFlyer, which is divided into several tiers. The basic level is achieved by booking an air ticket to start earning miles. KrisFlyer Elite Silver is the second tier and Star Alliance members are also able to earn miles when travelling with a network airline members. KrisFlyer Elite Gold, which is the golden tier of the Star Alliance network, is achieved by accumulating a very high number of miles. The Priority Passenger Service (PSS), provides Star Alliance Gold members extra privileges on Singapore Airlines. For instance, passengers are able to redeem their miles for flight and air ticket upgrades, air ticket modifications, and can trasfer their miles to family members.

You can check-in your booked air ticket from a PC, laptop or mobile device, 48 hours prior to your scheduled departure. Also, you can print your boarding pass directly after checking-in online.

You are able to check-in from the Kiosk Check-in located at the airport in order to avoid long queues at the counters. One is able to check-in your booked air ticket with a partner airline as long as the air ticket booked is partially operated by Singapore Airlines.