https://trainbot.eu/?from=milan&to=brussels&type=return
The 20€ Milan - Zurich tickets also don't look bad, but the early-morning departure / evening arrival are probably not that optimal.
https://trainbot.eu/?from=milan&to=zurich&type=return&seat_t...
EDIT: note, this route will be available from September.
https://trainbot.eu/?from=milan&to=brussels&type=return
The 20€ Milan - Zurich tickets also don't look bad, but the early-morning departure / evening arrival are probably not that optimal.
https://trainbot.eu/?from=milan&to=zurich&type=return&seat_t...
EDIT: note, this route will be available from September.