Grenoble ▸ San Sebastian
San Sebastian ▸ Grenoble ⇄1 a dayfastest 13h00☾ 1 overnight busFlixBus🇫🇷 France → 🇪🇸 Spain
Direct buses · no change
GrenobleNîmesNarbonneToulouseTarbesPauSan Sebastian· 646 km as the crow flies
- 13:35 → 02:35+1FlixBus N1156Grenoble (Central Bus Station) → San Sebastian / Donostia (Bus Station) · via Valence, Avignon, Nîmes, Toulouse…13h006 stopsRuns: Tue, Thu, SatBook on FlixBus ↗
- 21:40 → 11:15+1FlixBus N716 ☾ OvernightGrenoble (Central Bus Station) → San Sebastian / Donostia (Bus Station) · via Nîmes, Narbonne, Toulouse, Tarbes…13h357 stopsRuns: Thu to Sat (some weeks)The night the clocks change (Sat 24 Oct: 21:40 → 10:15+1)Book on FlixBus ↗
Local times at each stop. Times from official open data: FlixBus (file of 11 Oct 2026). Checked Sun 18 Oct 2026; they cover 18 Oct to 14 Nov 2026. Timetables change, so check with the operator before you travel. Contains FlixBus timetable data (FlixMobility, transport.data.gouv.fr), ODbL 1.0. How we build this.
Quick answers
Is there a direct bus from Grenoble to San Sebastian?
Yes. 1 a day on average, with FlixBus, no change of bus (18 Oct to 14 Nov 2026).
How long is the bus from Grenoble to San Sebastian?
The fastest takes 13h00; the slowest 13h35, for 646 km as the crow flies.
When do the buses leave?
The earliest leaves at 13:35 and the latest at 21:40, local time in Grenoble. Not every bus runs every day: pick a date above.
Is there a night bus from Grenoble to San Sebastian?
Yes: 1 overnight departure in the timetable, for example 21:40 arriving 11:15 the next morning.