Although Ascaris lumbricoides occasionally enters the biliary tract, it can cause severe complications in this location ranging from biliary colic, acalculous cholecystitis to hepatic abscess. Hence prompt diagnosis and proper treatment is necessary. There are some reports about the endoscopic removal of A. lumbricoides from the biliary tract, which is reportedly prone to severe complications. Here we present a case of biliary ascariasis successfully diagnosed and treated by non-invasive methods.