IATAGRR·ICAOKGRR·12airlines·44destinations·United States
Gerald R Ford International Airport (GRR) currently has nonstop service to 44 destinations on 12 airlines in our latest departure data. The busiest route is to Denver (DEN), served by 3 carriers, and the largest operator here is Allegiant Air with nonstops to 14 destinations. 1 of its routes are international.
Route data as of June 15, 2026, based on a 7-day departures sample.