AirAsia X is boosting its Australian footprint with twice daily flights set to operate from Perth, Sydney and Melbourne later this year.
The airline will increase its nine weekly flights from Perth to Kuala Lumpur to 14 a week on November 25.
To mark the double daily flights, AirAsia X is holding a "Buy 1, Fly 2" sale.
The sale is available online from August 26 to September 1.
The travel period for departures from Perth is November 25 to August 5 2014.
The special fares will allow two people can fly from Perth to Kuala Lumpur from $449 one way subject to terms and conditions.
There are also various Fly-Thru deals which allow passengers to connect between two different flights via the Kuala Lumpur Low Cost Carrier Terminal without having to check in twice.From Perth, two people can fly one way to Singapore from $479; Phuket from $509; Jakarta, Bangkok and Ho Chi Minh from $529.