Fold your piece of paper in half length-wise. 

Unfold your piece of paper.

Fold the top two corners towards the center fold.

To make the wings, fold the corners in half towards the center. Your plane should have a sharp point.

Flip the paper over. Fold the plane in half again using the original center fold.

Fold each wing in half. Bring the edge of the wing down to the center fold of the plane.