"After close coordination with our Turkish allies, they have reopened their airspace to military aircraft," Pentagon spokesman Peter Cook said in a statement.
"As a result, counter-ISIL coalition air operations at all air bases in Turkey have resumed," he added, using an acronym for the IS group.
"US facilities at Incirlik are still operating on internal power sources, but we hope to restore commercial power soon. Base operations have not been affected."
The government of President Recep Tayyip Erdogan yesterday put down the bloody coup attempt, but it raised concerns in the West about the stability of the country and its continued role in the anti-IS coalition.