Checked baggage is not included in the lowest "Promo" fare. It is always cheaper to buy the slightly more expensive "Economy" fare, which includes a checked suitcase up to 10 kg. For each additional kilogram, there is an additional charge 30 thb.
Hand lug gage must measure 40 x 30 x 20 cm and weigh 7 kg. A small personal item (handbag, laptop, etc.) is allowed free of charge.