KUALA LUMPUR, Feb. 10 -- Malaysia Aviation Group (MAG) will operate more than 2,700 domestic flights through Malaysia Airlines and Firefly during the upcoming Ramadan and Hari Raya Aidilfitri peak travel period.

Malaysia Airlines will operate up to 1,557 flights, with Firefly adding 1,176 services connecting key destinations across Peninsular and East Malaysia, the airline group said in a media release.

To meet strong demand, Malaysia Airlines will upgrade aircraft on busy routes including Alor Setar, Kota Bharu, Terengganu, Miri, Sibu, Kuching, Tawau, Sandakan, and Kota Kinabalu. Red-eye flights to Kota Kinabalu, Sandakan, and Kuching will also be offered.

Both airlines are offering fixed all-in one-way fares for selected East Malaysi...