618 — SINGAPORE AIRLINES
618 is the 3-digit airline accounting code (ticket prefix) of Singapore Airlines. Any 13-digit e-ticket number starting with 618 was issued by, or on behalf of, this airline (e.g. 618-1234567890).
| 3-digit code | 618 |
|---|---|
| Airline | Singapore Airlines |
| IATA designator | SQ |
| ICAO code | SIA |
| Country | Singapore |
Singapore Airlines airline profile → · All airline codes →
Source: IATA Current Airline Members (public list). Last verified 2026-10-15.