Gäckilsbo is a village in Linköping Municipality, in Östergötland County, Sweden. Gäckilsbo lies at 128 m above sea level. The nearest city is Linköping, 18.5 km to the northeast. Among the landmarks around are Linköping Cathedral (18.3 km), Östergötland Museum (18.6 km) and Swedish Air Force Museum (16.3 km). Among the natural features are Flistads brunn (24 km).