Press the "Flash/Right Arrow" button on the four-way control on the back of your camera to display flash options on the camera's LCD screen.
Push the "Left Arrow" or "Right Arrow" buttons to select the flash "Off" icon. It's the third icon that shows the flash symbol crossed out by a backslash mark inside a circle. Begin shooting new pictures.
manual link: https

/www.manualslib.com/manual/973524/Canon-Powershot-A470.html