All the 3 terminals at Singapore Changi Airport are inter-linked by Skytrains. The Skytrains operate both at the transit and public areas. The Skytrain operating hours are from 0500 to 0230 hrs daily. The service is free and it takes approximately 1-4 minutes to travel between terminals. The average waiting time for the skytrain is between 1 to 3 minutes. In the event when the Skytrain is not in operation in the transit area, you are advised to use the travellators that links the respective terminals inside the Departure / Transit area. In the public area, you may take the free shuttle bus that links Terminals 1, 2 and 3. The shuttle bus departure areas are : | Level | Door | Terminal 1 | 2 | 5 | Terminal 2 | 2 | 1 | Terminal 3 | 2 | 8 |
View Inter-Terminal Transfer Map | 
