When using flight connections, the most convenient options are to arrive in Warsaw or Krakow.

At each airport, you can rent a car and drive to Kielce.
- from Warsaw - the distance is appx. 180 km
- from Kraków - the distance is appx. 120 km

You can also travel by train:

From  WARSZAWA  to KIELCE
In Warsaw, there are two airports – Chopin (WAW) and Modlin (WMI) Train travel to Kielce takes approximately 3 hours and requires you to travel from one of the stations in central Warsaw. Because of major rail construction work in Warsaw, trains to Kielce depart from Warszawa Zachodnia. Please note that there is major construction work at this station – make sure you have enough time to reach the platform.

From  KRAKÓW to KIELCE
The trip takes approximately 2 hours and requires one change. You will need to take a local train from the airport to the main railway station (Kraków Główny) and then the InterCity train directly to Kielce.

The timetable for train is available here

The timetabel for Flixbus is available here

You may also travel by train from other European cities; all connections should be possible to find in the above-listed timetable.