A cooking device includes a frame to form a cooking chamber; a burner cover disposed inside the frame and to form a combustion chamber and have an air inlet hole in which air is introduced; a burner in the combustion chamber; an ignition device in the combustion chamber and to have an ignition unit for igniting a mixed gas discharged from the burner; and a flow guide to change a flow direction of the air which is introduced through the air inlet hole at a side of the ignition unit, wherein the flow guide is formed as a portion of the burner cover protrudes to the combustion chamber by forming.