In Malpensa airport, do you know if the price to store luggage is per day or if luggage can be left there for 3 weeks? If not is are there lockers at the central train station?
Check the Malpensa airport website... Not sure if this is current information so you might want to call: BAGGAGE DEPOSIT AND CLOAKROOM 6 a.m.- 10:00 p.m. every day Rates: € 3.50-€ 4.00 per bag per day T ground floor - Arrivals B (public area) BAGGAGE DEPOSIT AND CLOAKROOM
Phone: +39.02.58580298
For a three week storage at Malpensa would be about 100E per bag. Don't where the above numbers came from but they are wrong or out of date.