Sometimes it is possible to get cheaper solutions by having a look at limited offers or at fidelity programs made available on the companies' websites.
When travelling on such short distances, you can take into account also busses and carpooling options: with some luck you will find very cheap options, even if you book on short notice.
Which stations serve the rail line Sint-Niklaas - Charleroi?
The trains to Charleroi can leave from Saint-Nicolas / Sint-Niklaas and arrive at Charleroi-Sud / Charleroi-Zuid or Charleroi-Sud.
What time do the trains to Charleroi leave and how long is the journey?
On average, it takes 2 hours and 16 minutes to get to Charleroi by train, but you will need 2 hours and 1 minute with the fastest trains. The first one is available at 20:04, whereas the last one leaves Sint-Niklaas at 23:04.