Kittilä puts you near western Lapland resorts. Confirm that your accommodation approach is maintained in winter.
Finavia places rental service points by the terminal’s main entrance and exit. Its rental guidance notes that some firms open only for prior reservations, so confirm before flying.
A car is useful for rural lake accommodation, national-park approaches and independent travel beyond the main train routes. Helsinki city days often work better before collection. Lapland is a separate regional choice, especially in winter.
Compare airport collection with a later collection if you start with a city stay. Include the transport to a different rental branch and any extra parking nights when comparing the total cost.