A propeller fan, comprising: a hub formed into a cylindrical shape, and a plurality of blades extending outwards from a side of the hub , each of the plurality of blades including: a radial cross section that is a cross section of each of the blades in a first plane including a center axis of the hub ; an inclination angle (φ) defined in the radial cross-section view made by a straight line passing through a middle point in thickness (B) on an outer circumferential side end of the blade and a middle point in thickness (C) on an inner circumferential side end of the blade with a second plane orthogonal to the center axis of the hub and passing through the point C; a blade end that is an outer circumferential side end portion of the blade ; a leading blade end that is a front end of the blade end viewed in a rotation direction of the propeller fan; and a trailing blade end that is a rear end of the blade end viewed in the rotation direction of the propeller fan, characterized in that the inclination angle (φ) increases toward a side of a negative pressure surface of the blade as compared to the second plane , and the inclination angle (φ) is monotonically increasing, in a direction from an intermediate position located between the leading blade and the trailing blade end toward the trailing blade end , in an area extending from the intermediate position to the trailing blade end . a hub formed into a cylindrical shape, and a plurality of blades extending outwards from a side of the hub , each of the plurality of blades including: a radial cross section that is a cross section of each of the blades in a first plane including a center axis of the hub ; an inclination angle (φ) defined in the radial cross-section view made by a straight line passing through a middle point in thickness (B) on an outer circumferential side end of the blade and a middle point in thickness (C) on an inner circumferential side end of the blade with a second plane orthogonal to the center axis of the hub and passing through the point C; a blade end that is an outer circumferential side end portion of the blade ; a leading blade end that is a front end of the blade end viewed in a rotation direction of the propeller fan; and a trailing blade end that is a rear end of the blade end viewed in the rotation direction of the propeller fan, a radial cross section that is a cross section of each of the blades in a first plane including a center axis of the hub ; an inclination angle (φ) defined in the radial cross-section view made by a straight line passing through a middle point in thickness (B) on an outer circumferential side end of the blade and a middle point in thickness (C) on an inner circumferential side end of the blade with a second plane orthogonal to the center axis of the hub and passing through the point C; a blade end that is an outer circumferential side end portion of the blade ; a leading blade end that is a front end of the blade end viewed in a rotation direction of the propeller fan; and a trailing blade end that is a rear end of the blade end viewed in the rotation direction of the propeller fan, the inclination angle (φ) increases toward a side of a negative pressure surface of the blade as compared to the second plane , and the inclination angle (φ) is monotonically increasing, in a direction from an intermediate position located between the leading blade and the trailing blade end toward the trailing blade end , in an area extending from the intermediate position to the trailing blade end . <EOS>