We are travelling from Brussels to Amsterdam tomorrow Sunday 2nd April. Made decision to take cheap intercity. Looking on planner it's now asking to pay supplement. I think for the airport we don't want obviously! Also train now taking 3h 15m instead of 2h 50m. Can anyone tell me do we have to pay this on board or before hand? Do we have to pay if we are not using airport? We are a family of 6. Thanks
Best answer by thibcabe
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