Air Asia in-flight meals are optional and not included in your ticket price. You can buy your meal either on board or buy them in advance, online. If you buy them online, you get discounts of up to 20% plus a free drink.If you buy them on board the flight, you may not get the meal of your choice as they carry limited stock on the flight. The choice of menu is also limited. For flights shorter than 75 minutes fir exmple flight Kuching to Sibu or Bintulu you cannot buy hot meals on board the flight. They served only to passengers that had purchased meals online.You can purchase your onboard meal here AirAsia Hot Meal.