How do you find latias in pokemon saphire?

There is no secret or hidden trick to finding Latias or LatiOS. Well you can use a Action Replay or a Game Shark but I'm talking about not cheating. You find him randomly. I was playing Saphire trying to Find the Regi Pokemon while I was Surfing, and i got into a wild Pokemon battle with Latias without even trying to find him. So the best way to find him is to not try to find him.