Bus Sédunois
Local public transport in the city of Sion.
PostBus has operated the Bus Sédunois services on behalf of the municipality of Sion since August 1998. The complete network is represented by four routes serving the various districts of the Valais capital.
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Routes and timetables
Changes from 14 December 2025 for Bus Sédunois services
Network map
The complete network is represented by four routes serving the various districts of the Valais capital:
Fares
All prices are indicated in CHF, VAT included, subject to price changes.
All isireso-sion tickets can be purchased at PostBus and SBB counters in Sion, at the SBB terminals, online at www.sbb.ch, on the SBB app or from drivers of isireso-sion member carriers. Only monthly or annual travelcards cannot be purchased from a driver.
Fare agreement: isireso-sion
isireso-sion, the fare agreement between Bus Sédunois, PostBus, Theytaz and RegionAlps, who provide services to the area set out in the plan. All isireso-sion tickets allow you to travel freely on all the routes concerned, depending on the number of zones purchased within the isireso-sion fare zone, regardless of the transport company.
Contact
Your PostBus counter, located in the Swiss Post branch at Sion railway station, is open from 9 a.m. to 6 p.m., Monday to Friday.
How to contact us:
- Tel.: +41 848 818 818 (CHF 0.08 / min.)
- Contact form
