The duo were arrested during a raid led by Pol Lt Col Pongpichan Chayanonpiriya at a guesthouse on Nanai Rd.
Premruethai Chomchuen, 21, from Uthai Thani, was found to be in possession of a bag containing 0.3 of a gram of ya ice while Chaipornthip Phajunda, 23, from Udon Thani, was holding three bags of ice totaling 1.49 grams.
Both were taken to Kathu Police Station where they were charged with possession.