Singapore (SIN) How do you transfer?

There are three terminals in separate buildings which are connected via Skytrains. Qantas, British Airways, Cathay Pacific, Finnair and Japan Airlines are located in Terminal 1. All arrivals and departures are on the same level. If you do not have a boarding pass for your onward flight proceed to the transfer desk of the carrier of your next flight. Boarding passes for oneworld carriers can be collected from the respective Terminal Transfer Counter.