Malaysia Airlines (MAS) will resume daily services from Kuala Lumpur to Dubai on 5 August.
The carrier will use Boeing 777-200 aircraft on the route, it says.
MAS will also resume daily Kuala Lumpur-Kochi service on 1 September, while the five times weekly Kuala Lumpur-Darwin service will begin on 1 November.
It will deploy 737-800 aircraft on the Kochi and Darwin services.
Innovata schedules show that MAS will be the sole operator on the Darwin route. It will compete with Emirates and Yemenia on the Kuala Lumpur-Dubai route, and AirAsia on the Kuala Lumpur-Kochi route.