The average bus between Gex and Onex takes 1h 10m and the fastest bus takes 52 min. The bus runs at least 2 times per hour from Gex to Onex. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Gex and Onex. The earliest departure is at 4:11 AM at night, and the last departure from Gex is at 11:20 PM which arrives into Onex at 12:45 AM. All services require a transfer, and take on average 1h 10m. The schedules shown below are for the next available departures.

1h 5m • 1 change

1h 11m • 1 change

1h 13m • 1 change

59 min • 1 change
Want to know about travelling from Gex to Onex? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Gex to Onex. However, there are services departing from Gex station and arriving at Onex station via Genève, OMS-BIT. The journey, including transfers, takes approximately 1h 10m.
Gex to Onex bus services, operated by Transports Publics Genevois, depart from Gex, centre station.
Gex to Onex bus services, operated by Transports Publics Genevois, arrive at Petit-Lancy, Les Esserts station.
The distance between Gex and Onex is 17 km. The road distance is 23 km.
You can take a bus from Gex, centre to Petit-Lancy, Les Esserts via Genève, OMS-BIT in around 1h 4m.