The following is Pakistan International Airlines’ International network for the 1973/74 Winter season, taken from Official Airline Guide Worldwide Edition – MAR 1974.
The unit of the frequency is weekly.
It mainly operates Douglas DC8 and Boeing 707 at the time and the timetable does not indicate specific aircraft. City highlighted in BOLD represents turn-around point, but not necessary the same aircraft.
| Route |
Freq & A/C | REMARK |
| Karachi – Beirut – Damascus – London – Beirut – Karachi | 1 Jet | |
| Karachi – Cairo – Rome – London – Frankfurt – Beirut – Damascus – Dhahran – Karachi | 1 Jet | |
| Karachi – Cairo – Rome – Paris – London – Athens – Beirut – Karachi | 1 Jet | |
| Karachi – Kuwait – Istanbul – Athens – Geneva – London – Paris – Rome – Cairo – Karachi | 1 Jet | |
| Karachi – Teheran – Baghdad – Beirut – Frankfurt – London – Geneva – Istanbul – Baghdad – Kuwait – Karachi | 1 Jet | |
| Islamabad – Istanbul – Amsterdam – Istanbul – Teheran – Islamabad | 1 Jet | |
| Islamabad – Istanbul – Frankfurt – Amsterdam – Frankfurt – Vienna – Istanbul – Islamabad | 1 Jet | |
| Islamabad – Istanbul – Paris – Amsterdam | 1 Jet | |
| Islamabad – Teheran – Istanbul – Vienna – Amsterdam | 1 Jet | |
| Karachi – Dhahran – Beirut – Damascus – Frankfurt – London – New York – London – Beirut – Teheran – Karachi | 1 Jet | |
| Karachi – Tehran – Beirut – Geneva – London – New York – London – Rome – Cairo – Karachi | 1 Jet | |
| Karachi – Abu Dhabi – Dhahran | 1 Jet | |
| Karachi – Abu Dhabi – Bahrain – Doha – Abu Dhabi – Karachi | 1 Jet | |
| Karachi – Aden – Nairobi – Dar es Salaam | 1 Jet | |
| Karachi – Dhahran | 1 Jet | |
| Karachi – Dubai – Abu Dhabi | 1 Jet | |
| Karachi – Dubai – Doha – Bahrain – Dubai – Karachi | 1 Jet | |
| Karachi – Dubai – Kuwait | 1 Jet | |
| Karachi – Gwadar | 2 F27 | |
| Karachi – Gwadar – Muscat | 1 F27 | |
| Karachi – Jeddah | 1 Jet | |
| Karachi – Jeddah – Nairobi | 1 Jet | |
| Karachi – Muscat – Dubai | 1 Jet | |
| Karachi – Pangjur – Pasni – Muscat | 1 F27 | |
| Peshawar – Kabul | 3 F27 | |
| Karachi – Bangkok – Manila – Tokyo – Manila – Bangkok – Colombo – Karachi | 2 Jet | |
| Karachi – Colombo – Kuala Lumpur – Singapore | 2 Jet | |
| Karachi – Islamabad – Peking | 2 Jet |