What changes the price
Five factors account for most of the variation: number of passengers and luggage volume (which determine vehicle category, from sedan to van), the chosen route (ferry vs. dry road), flight time (very early or late arrivals often carry a surcharge), season (high season and holidays cost more across nearly every provider in the region), and whether the transfer is private or shared — private costs more, but you won't share the vehicle with strangers or depend on someone else's schedule.
Private or shared?
Shared services (collective vans) tend to be cheaper, but you board with other passengers, make stops that aren't yours, and depend on their departure time — not your flight's. A private transfer is just for your group: it leaves on your schedule, no detours, with the driver waiting even if your flight is delayed. For families, travelers with children, or anyone who simply doesn't want surprises right after landing, the price difference is often worth it.
How to compare quotes
When requesting a quote, always confirm: does the price already include the ferry crossing (when applicable)? Does the driver track your flight time, or do you need to report a delay yourself? Is there an extra charge for luggage, children, or night-time arrival? These questions keep an apparently lower price from turning out more expensive at payment time.