Prepare the Dough: Combine the flour, salt, sugar, and instant yeast in a mixing bowl. Gradually add the lukewarm water and olive oil, mixing until a dough forms.
Knead the Dough: Knead the dough on a floured surface for about 10 minutes until smooth and elastic.
First Rise: Place the dough in a lightly oiled bowl, cover, and let it rise in a warm place until doubled in size, about 1 hour.
Shape the Pitas: Divide the dough into equal portions, roll each into a ball, then flatten into discs about 1/4 inch thick.
Second Rise: Let the discs rest for 20-30 minutes to puff up slightly.
Cook the Pitas: Cook the pitas in an air fryer or on a hot skillet until they puff up and develop a crisp exterior, about 3-5 minutes per side.
Cool and Serve: Remove from heat and let cool slightly before serving. Use for stuffing or dipping.