M. R. Štefánik Airport, also called – especially in English – Bratislava Airport, located approximately 9 km (5.6 mi) northeast of the city center of Bratislava, spanning over the area of three municipalities. It is the main international airport of Slovakia. Shortly after the independence of Slovakia in 1993, it was named after general Milan Rastislav Štefánik (1880–1919), whose aircraft crashed near Bratislava in 1919. The airport is owned and run by Letisko M. R. Štefánika – Airport Bratislava, a.s. (BTS). As of September 2014 the company is fully owned by the Slovak Republic via the Ministry of Transport, Construction and Regional Development.

Vienna Airport is an international airport serving Vienna, the capital of Austria. It is located in Schwechat, 18 km (11 mi) southeast of central Vienna and 57 kilometres (35 mi) west of Bratislava, the capital of Slovakia. Its name in the Austrian Aeronautical Information Publication is Wien-Schwechat Airport. It is the country's largest airport and serves as the hub for Austrian Airlines as well as a base for low-cost carriers Ryanair and Wizz Air. It is capable of handling wide-body aircraft up to the Airbus A380. The airport features a dense network of European destinations as well as long-haul flights to Asia, North America and Africa.