The Airbus A330-300 aircraft already operates on the airline's services between Jeddah and Singapore. The SIA's A330-300 is configured in a two-class layout with 30 Business Class and 255 Economy Class seats. The Business Class cabin is laid out in a 2-2-2 configuration featuring a new seat specially designed for regional and medium-haul routes. The seat converts to an incline lie-flat bed and offers enhanced levels of comfort, privacy and functionality.

The Economy Class cabin is laid out in a 2-4-2 configuration. Featured are the new-generation Economy Class seats, currently also available on the airline's Airbus A380 and B777-300ER aircraft. They are ergonomically designed to provide customers an unsurpassed level of comfort, with more personal space and increased legroom. All seats feature the new KrisWorld, SIA's award-winning in-flight entertainment system and in a world first, iPod and iPhone connectivity in every seat, including Economy Class.