Saransk International Airport — Saransk, Russia

Saransk International Airport, identified by SKX, serves the capital of the Republic of Mordovia, a compact region within Russia's Volga Federal District. The airport received a substantial upgrade, including a new passenger terminal, ahead of the 2018 FIFA World Cup, when Saransk hosted several group-stage matches despite being one of the tournament's smallest and least internationally known host cities. That investment left the city with air links far more modern than its size alone would typically justify, and flights continue to connect Saransk primarily to Moscow along with a handful of other Russian domestic routes. Mordovia's Finno-Ugric Mordvin culture, distinct from the surrounding Russian-majority regions, gives Saransk a particular ethnic and linguistic character that visiting football fans encountered firsthand during the tournament. Outside major sporting events, SKX handles modest passenger volumes typical of a regional capital, though its World Cup-era infrastructure remains well above that ordinary traffic level.