Milan's bus network fills in where the metro and trams don't reach, with over 80 ATM urban lines plus a few trolleybus routes. The night bus network (N lines) keeps the city moving after midnight when the metro and trams stop. All buses use the standard ATM ticket (€2.20, valid 90 minutes).
Key bus lines for tourists
Linate Airport → San Babila, every 10 minutes, 6:05am–12:40am, on a standard ATM ticket. Since 2023 the M4 metro is faster, but 73 is still a good option from the east of the city.
Loops through the southern edge of the centre including the Duomo area and Via Torino — useful for hopping between metro stops.
The circular 90/91 routes trace Milan's outer ring, linking neighbourhoods beyond the metro network.
After midnight, N-prefixed buses replace the trams and metro on the main routes, roughly every 30 minutes. The same ATM ticket is valid.
Tickets & prices
ATM tickets are integrated — a single ticket is valid 90 minutes across metro, tram and bus, covering one metro journey plus unlimited surface transfers.
Validate before boarding. Tap your ticket at the yellow gate machines (or the on-board validator on trams and buses). Travelling without a validated ticket carries a €60–€100 fine, even with an unused ticket in your pocket.
Buy at station vending machines, at newsagents and tobacconists (tabaccherie) with the ATM logo, or via the ATM Milano app. See our tickets & travel cards guide for which pass suits your trip.
Discover Milan's tram-lined streets and historic centre with an expert local guide.
Using the buses
Board at any door — Milan buses have no fixed boarding door — and validate your ticket immediately at the yellow machine on board. Tickets generally can't be bought on the bus, so buy in advance at metro machines, newsagents, tabaccherie or the ATM Milano app. Inspectors are common and fines run €60–€100.
Bus 73 or Metro M4 to Linate?
Both reach Linate Airport on a standard €2.20 ticket. Bus 73 is handy if you're already on Corso Buenos Aires or the eastern side of the city and don't want to backtrack to a metro station. But from the Duomo area or central Milan, the Metro M4 from San Babila is faster (about 15 minutes versus ~25) — so check where you're starting before you decide.