It reinforced Erdogan's image of invincibility in the deeply divided NATO-member country, whose foreign, economic and security policy he has redrawn.
Pro-government newspapers, part of an overwhelmingly pro-Erdogan media landscape that buoyed his election campaign in the nation of 85 million people, cheered his victory.
Erdogan said inflation, which hit a 24-year peak of 85% last year before easing, is Turkey's most urgent issue.
Turkey's main pro-Kurdish party, parliament's third largest, was among the opposition parties opposed to Erdogan and is accused of links to Kurdish militants, which it denies.
Erdogan, head of the Islamist-rooted AK Party, appealed to voters with nationalist and conservative rhetoric in a divisive campaign that deflected attention from Turkey's economic problems.