Last refresh of the prices: Today at 10:22 PM CEST.
Compare 2 ways to go from Rome to Siena
We recommend taking the bus
Among the sustainable travel choices, the Bus stands out as a good way to reach Siena. The journey takes about 2 hours 55 minutes, and with fares starting at just ARS 11,272, it presents an excellent value for a comfortable ride.
Based on 15802 reviews, the company was rated 3.5 stars on Busbud. Travellers were especially satisfied with the ticket access and the temperature but often complained with the Wi‑Fi. FlixBus ticket prices on this trip start at ARS 14,920
Flixbus Rome Siena recent customer reviews
Bus was on time. The driver helped us with our luggage and seats. Good experience.
5.0 out of 5 stars
Jessica M.
The ticket had the platform 12 for Siena but the bus wasn’t there. The ticketing office staff suggested 10 but that was wrong again. I managed to find the right platform at the last minute. It was a complete mess.
Based on 1077 reviews, the company was rated 3.8 stars on Busbud. Travellers were especially satisfied with the ticket access and the temperature but often complained with the Wi‑Fi. Itabus ticket prices on this trip start at ARS 11,272
Itabus Rome Siena recent customer reviews
The ride was very comfortable. We appreciated the wifi and the air conditioning.
Customers have reported that the buses are clean, comfortable, and punctual. They also appreciate the great service provided by the company. However, there was a mention of an issue with non-functional wifi during one trip. Overall, travelers seem satisfied and likely to use this service again in the future.
Tiemme Rome Siena recent customer reviews
Wonderful from beginning to the end! Easy location from international airline! On time and comfortable seats! A wonderful experience!
5.0 out of 5 stars
Diane B.
On time, clean and comfortable bus. The only issue was that the wifi wasn't working
Based on 980 reviews, the company was rated 4.1 stars on Busbud. Travellers were especially satisfied with the staff and the temperature but often complained with the Wi‑Fi. MarinoBus ticket prices on this trip start at ARS 20,811
Based on 177 reviews, the company was rated 4 stars on Busbud. Travellers were especially satisfied with the staff and the ticket access but often complained with the timeliness. BusItalia ticket prices on this trip start at ARS 22,867
Frequently asked questions about travelling from Rome to Siena by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Rome to Siena?
The cheapest bus tickets from Rome to Siena start from ARS 11,272. The average price for this route is around ARS 23,115. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Rome to Siena?
The average bus travel time from Rome to Siena is 2h 55m, covering a distance of 187 km. The quickest bus can get you there in 2h 39m and is operated by FlixBus.
Which bus companies service the Rome to Siena route?
What are the earliest and latest departure times for the bus from Rome to Siena?
The earliest bus departs from Rome to Siena at 5:35am. And the latest bus departs at 11:50pm.
What are the CO₂ emissions for the bus trip from Rome to Siena?
A bus trip from Rome to Siena generates an estimated 4.667025000000001 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.
What is the best bus company from Rome to Siena?
According to Busbud customers, the highest-rated bus company on this route is Tiemme SpA, with an average rating of 4.4 out of 5 stars based on 125 reviews.
Which bus company has the best Wi-Fi from Rome to Siena?
Based on Busbud reviews, the bus company BusItalia has the highest Wi-Fi rating with a score of 3.9.
Which bus company has the best on-time performance from Rome to Siena?
According to Busbud traveller reviews, the most punctual bus company on this route is Tiemme SpA, with a punctuality rating of 4.5 out of 5 stars.
Which bus company has the cleanest buses from Rome to Siena?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Tiemme SpA, with a cleanliness rating of 4.8 out of 5 stars.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
09-18
ARS 11,782
09-19
ARS 47,265
Today
ARS 23,656
09-21
ARS 12,725
09-22
ARS 9,076
09-23
ARS 13,637
09-24
ARS 10,900
09-25
ARS 6,355
The cheapest trip from Rome to Siena was searched and found on Sep 25, 2026 with a price of ARS 6,355
To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Rome to Siena, as early as possible.
You can expect to pay from ARS 6,355 to ARS 134,573 for a bus ticket from Rome to Siena based on the last 2 days. You can expect to find the cheapest price for the trip at ARS 6,355 which is on 2026-09-25.
Usually FlixBus will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.
What's the cheapest way to go from Rome to Siena?
The Bus is the cheapest travel choice for this destination
The cheapest trip from Rome to Siena was searched and found on Sep 25, 2026 with a price of ARS 6,355
The Bus is the cheapest travel choice for this destination
