Travel Professionals
| Hotel | Amadeus (1A) | Galileo (UA) | Sabre (AA) | Worldspan (TW) |
| Corinthia London | IALONCHO | IA02129 | IA107594 | IALCYCH |
| Corinthia St Petersburg | IALEDNEV | IA11451 | IA46249 | IACNEV |
| Corinthia Budapest | IABUDROY | IA12449 | IA46273 | IACOHR |
| Corinthia Lisbon | IALISALF | IA11305 | IA46339 | IACALF |
| Corinthia St Georges Bay | IAMLASAN | IA2502 | IA50484 | IAISGO |
| Corinthia Palace Hotel | IAMLACOR | IA11634 | IA52881 | IAICPH |
| Corinthia Tripoli | IATIPCOR | IA12448 | IA51573 | IACBAB |