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 LOTINISKO CHOPINA  to KIELCE
The trip takes approximately 3 hours and requires one change. You will need to take citi train from the airport to the main Warsaw railway station (WARSZAWA CENTRALNA) and then the InterCity train directly to KIELCE.

From  KRAKÓW LOTNISKO/AIRPORT  to KIELCE
The trip takes approximately 2 hours and requires one change. You will need to take citi train from the airport to the main Krakow 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.