Airport to CERN
With CERN Shuttle
CERN shuttle to and from the airport http://smb-dep.web.cern.ch/sites/smb-dep.web.cern.ch/files/documents/Shuttle/L4-GVAAirport.pdf
Public transport
Free tickets for public transport can be printed from ticket machines located at the exits from the baggage claim area. This ticket entitles you to a free ride on buses, trams and trains in the "Tout Genève" region for a period of 80 minutes, when produced along with your flight ticket or boarding pass (into Geneva).
Please note that once you are out of the baggage claim area, you cannot go back in to print a free ticket. Tickets can also be bought at the automatic machines located at the bus stops or on the way to the train station located in the airport ("tout Genève" button on the ticket machine, cost approx 3 CHF).
Bus stops: Once in the arrivals meeting area, turn right and walk to the end of the terminal (signposted P51), past the post office, Montreux Jazz cafe and the car rental desks. Exit the building and cross the coach drop-off area to find the the bus stop for buses Y, 23, 28 and 57 going downhill.
Buses + tram from airport to CERN
Bus 57 direction 'Gare de Meyrin'
Bus 28 direction 'Parfumerie'
Bus 23 direction 'ZIPLO'
For all of the above buses, get off at stop 'Blandonnet', walk up the stairs on top of the bridge for the tram stop and take tram 18 direction 'CERN', end stop is at CERN.
Bus from Airport to CERN
Bus 'Y' direction 'Val-Thoiry', get off at stop 'CERN'.
Geneva Railway Station, Gare Cornavin to CERN
In the arrivals terminal follow signs to the train station, which should lead you through a set of revolving doors.
All trains that leave Geneva Cointrin Airport stop next in Geneva Railway Station (Gare Cornavin). Once you exit the station, you will find many tram and bus stops. The tram 18 stops under the railway bridge - take tram 18 direction 'CERN', end stop is at CERN.
Please check the tpg public transport timetable or TPG app for schedules.