The best price found from United States to Nizhny Novgorod is on January 15th, 2018, travelling with Aeroflot. See more options, compare prices and book: search flights.
Nizhny Novgorod International Airport is 15km southwest of the city centre. The airport has several flights daily to Moscow and a handful of flights to other large cities around Russia, including to Kazan. To get to the airport, take the metro to the southern terminus at Park Kultury (Парк культу́ры) and then bus 11 or 20.