Flixbus is a European bus operator that offers intercity and bus travel in over 38 countries. Known for their easy-to-spot lime green buses and for offering affordable transportation between cities in Europe and the Americas, Flixbus is a good option for those looking for an affordable, reliable bus company. In their buses, you'll find free WiFi, bathrooms, and power outlets. You can also pay extra to choose your seat and get extra legroom, or even buy a snack or drink onboard directly from the driver. You can reschedule your ticket for a small fee, which varies from $1 to $5, depending on how close you are to the departure date.
Based on 1077 reviews, the company was rated 3.8 stars on Busbud. Travelers were especially satisfied with the ticket access and the temperature but often complained with the wifi. Itabus ticket prices on this trip start at CLP 9,371
Frequently asked questions about traveling from Naples 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 Naples to Siena?
The cheapest bus tickets from Naples to Siena start from CLP 9,371. The average price for this route is around CLP 26,626. 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 Naples to Siena?
The average bus trip duration from Naples to Siena is 6h 5m, covering a distance of 228 miles (367 km). The quickest bus can get you there in 5h 34m and is operated by Itabus.
Which bus companies service the Naples to Siena route?
Several major bus companies operate on this route with 13 buses available per day, including services from FlixBus, Itabus.
What is the earliest and latest departure time for the bus from Naples to Siena?
The earliest bus departs from Naples to Siena at 2:40am. And the latest bus departs at 10:35pm.
What are the CO₂ emissions for the bus trip from Naples to Siena?
A bus trip from Naples to Siena generates an estimated 9.174975 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
What is the best bus company from Naples to Siena?
According to Busbud customers, the highest-rated bus company on this route is Itabus, with an average rating of 3.8 out of 5 stars based on 1077 reviews.
Which bus company has the best Wi-Fi from Naples to Siena?
Based on reviews on Busbud, the bus company Itabus has the best Wi-Fi rating with a score of 2.9.
Which bus company has the most timely service from Naples to Siena?
According to Busbud traveler reviews, the most timely bus company on this route is FlixBus, with a punctuality rating of 4.0 out of 5 stars.
Which bus company has the cleanest buses from Naples to Siena?
According to Busbud traveler reviews, the bus company with the cleanest buses on this route is Itabus, with a cleanliness rating of 4.1 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
09/19
CLP 17,421
09/20
CLP 8,089
Today
CLP 22,286
09/22
CLP 14,857
09/23
CLP 16,557
09/24
CLP 11,410
09/25
CLP 12,556
09/26
CLP 12,556
The cheapest trip from Naples to Siena was searched and found on Sep 20, 2026 with a price of CLP 8,089
To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Naples to Siena, as early as possible.
You can expect to pay from CLP 8,089 to CLP 86,889 for a bus ticket from Naples to Siena based on the last 2 days. You can expect to find the cheapest price for the trip at CLP 11,410 which is on 2026-09-24.
Usually Itabus 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 Naples to Siena?
The Bus is the cheapest travel choice for this destination
The cheapest trip from Naples to Siena was searched and found on Sep 20, 2026 with a price of CLP 8,089
The Bus is the cheapest travel choice for this destination
