Winthrop Harbor airports ::
The nearest airport is MKE - Milwaukee General Mitchell Intl, located 52.4 km north of Winthrop Harbor.
Other airports nearby include ORD - Chicago Ohare Intl (56.0 km south), MDW - Chicago Midway Intl (77.2 km south), MSN - Madison Dane Co Rgnl Truax Fld (144.0 km north west), IKK - Greater Kankakee (156.3 km south),