Return transfer with time buffers for port procedures (e.g., IJmuiden). [...]

Keukenhof + tulip fields + one extra destination such as [...]

Keukenhof + 2–3 photo stops in the Bulb Region (subject [...]

Pick-up → direct transfer to Keukenhof → free time in [...]

Keukenhof is scheduled to be open 19 March to 10 [...]

Usually yes. Keukenhof uses timed-entry tickets — you choose the [...]