I have here a Qantas August 1980 timetable.
Australasia :
Auckland
Brisbane
Christchurch
Darwin
Melbourne
Perth
Sydney
Wellington
Far East :
Bangkok
Denpasar
Hong Kong
Jakarta
Kuala Lumpur
Manila
Port Moresby
Singapore
Tokyo
South Asia :
Bahrain
Bombay
Damascus
Europe :
Amsterdam
Athens
Belgrade
Frankfurt
London
Paris
Rome
Pacific :
Honolulu
Los Angeles
Nadi
Noumea
San Francisco
Vancouver
The entire operation was with 747s, which led to some very low frequencies, once a week at minor points. The exception was Wellington, where the complete Air NZ and Qantas Trans-Tasman operation was by Air NZ DC-8. Otherwise even routes such as Christchurch to Brisbane were 747s.