Vienna ▸ Trieste
Trieste ▸ Vienna ⇄3.4 a dayfastest 6h25☾ 1 overnight busFlixBus🇦🇹 Austria → 🇮🇹 Italy
Direct buses · no change
ViennaGrazMariborLjubljanaTrieste· 346 km as the crow flies
- 03:55 → 10:50FlixBus N917Vienna Erdberg (Busterminal VIB) → Trieste (Autostazione) · via Graz, Maribor, Ljubljana6h553 stopsRuns: Mon, Tue, Sat, Sun (some weeks)The night the clocks change (Sun 25 Oct: 02:55 → 09:50)Book on FlixBus ↗
- 09:25 → 16:10FlixBus 907Vienna Central Station → Trieste (Autostazione) · via Graz, Ljubljana6h452 stopsRuns: DailyBook on FlixBus ↗
- 12:00 → 18:45FlixBus 297Vienna Erdberg (Busterminal VIB) → Trieste (Autostazione) · via Graz, Maribor, Ljubljana6h453 stopsRuns: Mon, Thu, Fri, Sat, Sun (some weeks)Book on FlixBus ↗
- 23:10 → 05:35+1FlixBus N907 ☾ OvernightVienna Central Station → Trieste (Autostazione) · via Graz, Ljubljana6h252 stopsRuns: Mon, Thu, Fri, Sat, Sun (some weeks)The night the clocks change (Sat 24 Oct: 23:10 → 04:35+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 Vienna to Trieste?
Yes. 3.4 a day on average, with FlixBus, no change of bus (18 Oct to 14 Nov 2026).
How long is the bus from Vienna to Trieste?
The fastest takes 6h25; the slowest 6h55, for 346 km as the crow flies.
When do the buses leave?
The earliest leaves at 03:55 and the latest at 23:10, local time in Vienna. Not every bus runs every day: pick a date above.
Is there a night bus from Vienna to Trieste?
Yes: 1 overnight departure in the timetable, for example 23:10 arriving 05:35 the next morning.