The nearest airport is QYR - Troyes Barberey, located 54.2 km south east of Lachy.
Other airports nearby include RHE - Reims Champagne (65.2 km north), CDG - Paris Charles De Gaulle (89.8 km west), LBG - Paris Le Bourget (96.2 km west), ORY - Paris Orly (99.9 km west),