Bus from Rome to Siena: Tickets & Schedules

Next bus departures

Next departures for Rome to Siena on December 1
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Flixbus Bus
Rome Tiburtina Bus Station
Siena Train StationCheapest
Flixbus Bus
Rome Tiburtina Bus Station
Viale Toselli (Penny Market)Fastest
MarinoBusBus
Rome Tiburtina Bus Station
Siena Train StationNo tags
ItabusBus
Rome Tiburtina Bus Station
Siena Train StationNo tags
TiemmeBus
    Rome Fiumicino Airport (T3)
    Piazza GramsciNo tags

    Last refresh of the prices: Today at 10:17 PM CET.

    Compare 3 ways to go from Rome to Siena

    We recommend carpooling

    Among the sustainable travel choices, the carpool stands out as a good way to reach Siena. The journey takes about 2 hours 20 minutes, and with fares starting at just $19, it presents an excellent value for a comfortable ride.

    18carpool per day
    2h 20mAverage Duration
    185 kmDistance
    8kgCO₂ emissions
    Average Price$11 - $149Average Duration2h 55m
    5kg CO₂e
    Average Price$42 - $44Average Duration4h 5m
    4kg CO₂e
    Carpool
    Average Price$19 - $175Average Duration2h 20m
    8kg CO₂e

    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.

    1. How much is the bus ticket from Rome to Siena?

      The cheapest bus tickets from Rome to Siena start from $11. The average price for this route is around $22. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

    2. 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.

    3. Which bus companies service the Rome to Siena route?

      Several major bus companies operate on this route with 29 buses available per day, including services from FlixBus, Itabus, Tiemme SpA, MarinoBus.

    4. What are the earliest and latest departure times for the bus from Rome to Siena?

      The earliest bus departs from Rome to Siena at 1:05am. And the latest bus departs at 11:50pm.

    5. What are the CO₂ emissions for the bus trip from Rome to Siena?

      A bus trip from Rome to Siena generates an estimated 5 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.

    6. 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 103 reviews.

    7. Which bus company has the best Wi-Fi from Rome to Siena?

      Based on Busbud reviews, the bus company MarinoBus has the highest Wi-Fi rating with a score of 3.2.

    8. 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.

    9. 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 4.7 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
    11-28
    $17
    11-29
    $47
    Today
    $35
    12-01
    $13
    12-02
    $12
    12-03
    $9
    12-04
    $9
    12-05
    $10
    busbud logoThe cheapest trip from Rome to Siena was searched and found on Dec 3, 2025 with a price of $9

    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 $9 to $98 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 $9 which is on 2025-12-03.

    Usually Tiemme SpA 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?

    busbud logoThe bus is the cheapest travel choice for this destination

    People from around the world trust Busbud