San Sebastian ▸ Grenoble
Grenoble ▸ San Sebastian ⇄1 a dayfastest 12h35☾ 2 overnight busesFlixBus🇪🇸 Spain → 🇫🇷 France
Direct buses · no change
San SebastianAngletBayonnePauTarbesToulouseGrenoble· 646 km as the crow flies
- 16:00 → 06:15+1FlixBus N716 ☾ OvernightSan Sebastian / Donostia (Bus Station) → Grenoble (Central Bus Station) · via Anglet, Bayonne, Pau, Tarbes…14h157 stopsRuns: Fri to Sun (some weeks)The night the clocks change (Sat 24 Oct: 16:00 → 05:15+1)Book on FlixBus ↗
- 23:30 → 12:05+1FlixBus N1156 ☾ OvernightSan Sebastian / Donostia (Bus Station) → Grenoble (Central Bus Station) · via Hendaye, Orthez, Toulouse, Nîmes…12h356 stops
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 San Sebastian to Grenoble?
Yes. 1 a day on average, with FlixBus, no change of bus (18 Oct to 14 Nov 2026).
How long is the bus from San Sebastian to Grenoble?
The fastest takes 12h35; the slowest 14h15, for 646 km as the crow flies.
When do the buses leave?
The earliest leaves at 16:00 and the latest at 23:30, local time in San Sebastian. Not every bus runs every day: pick a date above.
Is there a night bus from San Sebastian to Grenoble?
Yes: 2 overnight departures in the timetable, for example 16:00 arriving 06:15 the next morning.