The cheapest way to the airport. The Rhônexpress tram-train is 26 minutes quicker for €14.20 more, which is not worth it at this party size.
Bus C200 and tram T3 to Part-Dieu
C200T3 · TCL, the SYTRAL Mobilités networkPickup, hours & luggage
Boards at. Gare Part-Dieu Villette, on tram T3 towards Meyzieu, changing at Vaulx-en-Velin La Soie to the C200 signed "Aéroport Saint-Exupéry Gare Routière"
The same EUR 2.10 Zones 1 and 2 ticket as the C200 and Métro A, valid an hour with re-validation for the bus-to-tram change. Tap a bank card on the bus and again on the tram, or pay the driver (EUR 2.40, or EUR 2.50 cash by the airport's page). Children as for the C200 and Métro A.
Luggage. A city bus, then a tram; no racks, and the bus fills at Genas and Décines on the way in.
Hours. Leave Part-Dieu by 23:01 on weekdays and 23:16 at weekends for the last bus from La Soie. The first tram that meets a bus is 05:39 on weekdays, 05:09 on Saturdays and 06:04 on Sundays.