The following is MAS – Malaysian Airline System’s INTERNATIONAL network for 1973/74 Winter season, taken from Official Airline Guide Worldwide Edition – MAR 1974. All flights are weekly, round-trip basis.
| Route |
Freq & A/C | REMARK |
| Kuala Lumpur – Bangkok | 7 737 | |
| Kuala Lumpur – Haad Yai | 1 737 | |
| Kuala Lumpur – Hong Kong – Taipei – Tokyo | 4 707 | |
| Kuala Lumpur – Jakarta | 3 737 | |
| Kuala Lumpur – Kota Kinabalu – Hong Kong | 3 737 | |
| Kuala Lumpur – Penang – Bangkok | 3 737 | |
| Kuala Lumpur – Penang – Haad Yai | 1 737 2 F27 |
|
| Kuala Lumpur – Penang – Hong Kong – Taipei | 3 707 | |
| Kuala Lumpur – Penang – Medan | 4 737 | |
| Kuala Lumpur – Singapore | 14 737 | |
| Penang – Bangkok | 7 737 | |
| Penang – Singapore | 7 737 | |
| Kuching – Bandar Seri Begawan | 3 737 | |
| Kuching – Singapore | 4 737 | |
| Kota Kinabalu – Bandar Seri Begawan | 3 737 | |
| Kota Kinabalu – Singapore | 7 737 |