Helvetic Airways
| Contact | +41 442708500 | |
| Website | https://www.helvetic.com/hdc/ | |
| Web check-in | Web check-in | |
| E-Booking | E-Booking | |
| Airline Ticket Office | +30 2241 440108 | |
| Lost & Found | +30 2241 440109-10 | |
| Cargo Services | +30 2241 440109-10 | |
| Contact | +41 442708500 | |
| Website | https://www.helvetic.com/hdc/ | |
| Web check-in | Web check-in | |
| E-Booking | E-Booking | |
| Airline Ticket Office | +30 2241 440108 | |
| Lost & Found | +30 2241 440109-10 | |
| Cargo Services | +30 2241 440109-10 | |