A flat wiper blade with spoilers is provided. The flat wiper blade has a wiper strip, a single elongated frame, first and second spoilers and a connecting unit for connection to a wiper arm. The frame holds and supports the wiper strip. The first and second spoilers have a pair of longitudinally extending fitting grooves and a receiving groove in the fitting groove. The receiving groove has a width greater than that of the fitting groove. The first and second spoilers are joined to the frame as opposed to each other in such a manner that the frame is fitted to the fitting grooves and an edge of the frame is received in the receiving groove. The connecting unit is joined to the frame between the first spoiler and the second spoiler. The connecting unit engages the first spoiler and the second spoiler.