Barcelona to Siena Train & Bus Tickets

Train or bus? What recent searches show

Fares and timetables seen in recent TransitScanner searches for Barcelona to Siena, side by side.

No recent train fares were seen for this route; search a date to check.

Last checked 1 Nov 2026. This is what searches saw, not a live quote: fares change, and the price at the seller's checkout is the one that counts.

Barcelona to Siena: what to expect

Barcelona and Siena are about 782 kilometres apart. TransitScanner compares the train and bus options sold on this route across many sellers, so fares, journey times and companies can be seen side by side.

This is an international route from Spain to Italy. Carry valid travel documents (passport or EU ID card where applicable) for border checks. At 782 km this is a long-distance journey.

Fares are asked of the sellers on every search; the price at their checkout is the one that counts.

How to find cheap Barcelona–Siena tickets

• Book early: fares often rise as the departure date approaches.
• In recent searches Wednesday was the cheapest weekday on average (about €49.71, across 2 days).
• Use the multi-date scanner to find the cheapest day in a week or month.
• Compare direct and connecting options: a change can be cheaper, a direct journey is usually quicker.

FAQ: Barcelona to Siena

How long does the journey from Barcelona to Siena take?
In recent searches the typical journey took about 22 h by bus (median of the journeys seen, last checked 1 Nov 2026).

What is the cheapest ticket from Barcelona to Siena?
The lowest fare seen recently is €44.46 by bus (FlixBus), for travel on 16 Dec 2026 (seen 1 Nov 2026). Wednesday was the cheapest weekday on average in these searches (about €49.71). Fares change daily: search your date to compare current train and bus prices.

Which companies sell tickets from Barcelona to Siena?
Recent searches showed journeys sold by FlixBus.