A propeller fan with three blades, comprising: a first blade, a second blade, and a third blade which are provided to be circumferentially separated from each other for performing air blowing according to rotation around an imaginary center axis, and which constitute the three blades; and a connection portion provided, when the propeller fan is viewed in an axial direction of said center axis and a smallest imaginary circle is drawn to circumferentially separate said first blade, said second blade, and said third blade from each other, to be arranged inside the imaginary circle for connecting said first blade, said second blade, and said third blade together, wherein each of said first blade, said second blade, and said third blade has a peripheral edge portion extending in an arc having a diameter D with said center axis as a center thereof, a front edge portion arranged on a forward side in a rotational direction, a rear edge portion arranged on an opposite side in the rotational direction and continuing to said peripheral edge portion, and a leading blade edge portion connecting said front edge portion and said peripheral edge portion and protruding toward the rotational direction, said second blade is arranged to be adjacent to said first blade on the forward side in the rotational direction, and said third blade is arranged to be adjacent to said second blade on the forward side in the rotational direction, said front edge portion of said first blade and said rear edge portion of said second blade are connected together via said connection portion, a plane which includes each intersection between said rear edge portion and said peripheral edge portion in each of said first blade, said second blade, and said third blade and is perpendicular to said center axis is defined as γ, and when the propeller fan is viewed in a direction perpendicular to a plane including said leading blade edge portion of said third blade and said center axis, a distance H between said plane γ and a connected portion between said front edge portion of said first blade and said rear edge portion of said second blade, on a line of said center axis, satisfies 0.028 ≤ H/D ≤ 0.056. a first blade, a second blade, and a third blade which are provided to be circumferentially separated from each other for performing air blowing according to rotation around an imaginary center axis, and which constitute the three blades; and a connection portion provided, when the propeller fan is viewed in an axial direction of said center axis and a smallest imaginary circle is drawn to circumferentially separate said first blade, said second blade, and said third blade from each other, to be arranged inside the imaginary circle for connecting said first blade, said second blade, and said third blade together, wherein each of said first blade, said second blade, and said third blade has a peripheral edge portion extending in an arc having a diameter D with said center axis as a center thereof, a front edge portion arranged on a forward side in a rotational direction, a rear edge portion arranged on an opposite side in the rotational direction and continuing to said peripheral edge portion, and a leading blade edge portion connecting said front edge portion and said peripheral edge portion and protruding toward the rotational direction, said second blade is arranged to be adjacent to said first blade on the forward side in the rotational direction, and said third blade is arranged to be adjacent to said second blade on the forward side in the rotational direction, said front edge portion of said first blade and said rear edge portion of said second blade are connected together via said connection portion, a plane which includes each intersection between said rear edge portion and said peripheral edge portion in each of said first blade, said second blade, and said third blade and is perpendicular to said center axis is defined as γ, and when the propeller fan is viewed in a direction perpendicular to a plane including said leading blade edge portion of said third blade and said center axis, a distance H between said plane γ and a connected portion between said front edge portion of said first blade and said rear edge portion of said second blade, on a line of said center axis, satisfies 0.028 ≤ H/D ≤ 0.056.