Which bus from Rome to Siena is the cheapest?

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Which bus from Rome to Siena is the best?

Check the bus schedule for Rome to Siena. Here is a selection of the cheapest coach trips for the next days from bus operators like Itabus, FlixBus or MarinoBus. To see the full timetable for all coaches just use or search and compare.

today
£6
tomorrow
£5
Friday
£8
Saturday
£8
Sunday
£4
Monday
£6
Tuesday
£14

Cheapest bus trips today

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Itabus 2h 49m 22:15 Rome Tiburtina Bus Station 01:04 Siena Train Station  Premium Economy £6
Itabus 2h 50m 14:00 Rome Tiburtina Bus Station 16:50 Siena Train Station  Premium Economy £8
FlixBus 2h 39m 17:45 Rome Tiburtina Bus Station 20:24 Siena Train Station  Economy £8
FlixBus 2h 55m 21:45 Rome Tiburtina Bus Station 00:40 Siena Train Station  Economy £8
MarinoBus 3h 0m 13:50 Rome Tiburtina Bus Station 16:50 Siena Train Station  Economy £11

Cheapest bus trips tomorrow

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Itabus 2h 50m 08:00 Rome Tiburtina Bus Station 10:50 Siena Piazza Antonio Gramsci  Economy £5
Itabus 2h 49m 22:15 Rome Tiburtina Bus Station 01:04 Siena Train Station  Premium Economy £5
FlixBus 2h 55m 08:30 Rome Tiburtina Bus Station 11:25 Siena Train Station  Economy £6
FlixBus 2h 50m 07:45 Rome Tiburtina Bus Station 10:35 Siena Train Station  Economy £7
MarinoBus 3h 10m 05:35 Rome Tiburtina Bus Station 08:45 Siena Train Station  Economy £9

Cheapest bus trips Friday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Itabus 2h 49m 22:15 Rome Tiburtina Bus Station 01:04 Siena Train Station  Premium Economy £8
FlixBus 2h 45m 06:30 Rome Tiburtina Bus Station 09:15 Siena Train Station  Economy £8
FlixBus 2h 45m 19:10 Rome Tiburtina Bus Station 21:55 Siena Train Station  Economy £8
MarinoBus 3h 10m 05:35 Rome Tiburtina Bus Station 08:45 Siena Train Station  Economy £9
Itabus 2h 50m 14:00 Rome Tiburtina Bus Station 16:50 Siena Train Station  Premium Economy £9

Cheapest bus trips Saturday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 2h 45m 06:30 Rome Tiburtina Bus Station 09:15 Siena Train Station  Economy £8
FlixBus 2h 45m 09:25 Rome Tiburtina Bus Station 12:10 Siena Train Station  Economy £8
Itabus 2h 50m 11:00 Rome Tiburtina Bus Station 13:50 Siena Piazza Antonio Gramsci  Economy £10
Itabus 2h 50m 08:00 Rome Tiburtina Bus Station 10:50 Siena Piazza Antonio Gramsci  Economy £11
MarinoBus 3h 10m 05:35 Rome Tiburtina Bus Station 08:45 Siena Train Station  Economy £15

Cheapest bus trips Sunday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Itabus 2h 50m 08:00 Rome Tiburtina Bus Station 10:50 Siena Train Station  Premium Economy £4
Itabus 2h 50m 11:00 Rome Tiburtina Coach Station 13:50 Siena Central Bus Station  Economy £5
FlixBus 2h 45m 06:30 Rome Tiburtina Bus Station 09:15 Siena Train Station  Economy £5
FlixBus 2h 55m 08:30 Rome Tiburtina Bus Station 11:25 Siena Train Station  Economy £5
MarinoBus 3h 10m 05:35 Rome Tiburtina Bus Station 08:45 Siena Central Bus Station  Economy £9

Cheapest bus trips Monday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 2h 45m 06:30 Rome Tiburtina Bus Station 09:15 Siena Train Station  Economy £6
FlixBus 2h 50m 07:45 Rome Tiburtina Bus Station 10:35 Siena Train Station  Economy £6
Busitalia Fast 2h 50m 06:00 Rome Tiburtina Bus Station 08:50 Siena Train Station  Economy £10
Busitalia Fast 2h 40m 06:00 Rome Tiburtina Bus Station 08:40 Siena Bus Stop  Economy £10
Itabus 2h 50m 14:00 Rome Tiburtina Bus Station 16:50 Siena Train Station  Premium Economy £10

Cheapest bus trips Tuesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Itabus 2h 50m 14:00 Rome Tiburtina Bus Station 16:50 Siena Train Station  Premium Economy £14
MarinoBus 3h 10m 05:35 Rome Tiburtina Bus Station 08:45 Siena Piazza Antonio Gramsci  Economy £17
MarinoBus 3h 0m 13:50 Rome Tiburtina Coach Station 16:50 Siena Central Bus Station  Economy £17
Itabus 2h 50m 08:00 Rome Tiburtina Bus Station 10:50 Siena Train Station  Premium Economy £17
Itabus 2h 49m 22:15 Rome Tiburtina Bus Station 01:04 Siena Train Station  Premium Economy £21
  • Did you know that if you travel from Rome to Siena via Perugia, you can save more than £1? You can find the corresponding connections below.
    • FlixBus
      4h 5m
      0
      07:30
      Rome
      Tiburtina Bus Station
      09:50
      Perugia
      Coach Station Piazza Partigiani
      0
      FlixBus
      Economy
      £8
      • Waiting Time 0h 25m
    • FlixBus
      1h 20m
      0
      10:15
      Perugia
      Bus Stop
      11:35
      Siena
      Train Station
      0
      FlixBus
      Economy
      £6
    Travel time is 1h 16m longer, but you will save £1

Best Price Offer: The price for the cheapest coach from Rome to Siena is £4 on 20/09/2026. Flexible travellers save on ticket prices.


What is the best day and time to travel by bus between Rome and Siena?

Here is the frequency of all coach connections from Rome to Siena. See on which day of the week you have more travel options and what time you have more bus trips to choose from.
Friday is the busiest day, with more than 56 daily coaches from Rome to Siena. Tuesday has instead the fewest connections, with only 17 daily coaches between Rome and Siena.
The busiest time of the day is the Afternoon, with 119 coaches from Rome to Siena, while Night sees the fewest connections between Rome and Siena, with 29 offers.

All facts for Rome to Siena bus at a glance

Compare all coach operators like Itabus, FlixBus and MarinoBus that travel daily 39 times by bus from Rome to Siena in one click. Book your Rome to Siena bus ticket starting from £4!

Cheapest Bus £4
Fastest Bus 2h 39m
Earliest Coach 05:35
Latest Coach 22:15
Daily Bus Connections 39 Ø
Distance 184.3 km
Coach Companies Itabus, FlixBus, MarinoBus, Busitalia Fast and Busitalia Rail Service

What are the cheapest coach tickets from Rome to Siena?

Every day, 39 buses from 5 coach companies leave Rome for Siena. Check the table below to find the cheapest prices for coach tickets for this route, starting from 16/09/2026 and for the following days. Make sure get the cheapest bus ticket!

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday 14/09
Tuesday 15/09
Wednesday 16/09
£6
Thursday 17/09
£6
Friday 18/09
£8
Saturday 19/09
£24
Sunday 20/09
£4
Monday 21/09
£6
Tuesday 22/09
£17
Wednesday 23/09
£9
Thursday 24/09
£4
Friday 25/09
£9
Saturday 26/09
£4
Sunday 27/09
£9
Monday 28/09
£18
Tuesday 29/09
£9
Wednesday 30/09
£10
Thursday 01/10
£9
Friday 02/10
£9
Saturday 03/10
£5
Sunday 04/10
£6
Monday 05/10
£5
Tuesday 06/10
£5
Wednesday 07/10
£4
Thursday 08/10
£5
Friday 09/10
£9
Saturday 10/10
£5
Sunday 11/10

The cheapest time to travel from Rome to Siena

See here on which day and which time of the day you can find the cheapest bus ticket from Rome to Siena, for the next 30 days.
With a price starting from £4, Sunday is the cheapest day for a coach from Rome to Siena. Friday instead is the most expensive day with prices starting from £8.
Morning is the cheapest day time for bus tickets from Rome to Siena, with £4. Afternoon is the most expensive time of the day with prices starting from £6.

How to save money travelling from Rome to Siena

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying higher prices for your trip? Plan your bus trips smartly. Here are a few hacks to save money on your coach journey.

Book the ticket from Rome to Siena in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the coach from Rome to Siena, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later coaches from Rome to Siena are also emptier.

Check for bus deals and promotions for all bus companies in this route. On CheckMyBus we show special offers directly in the coach trip on our search. Sign-up and check or deals sections and get notifications on our latest travel hacks.

What are the most popular bus companies from Rome to Siena?

These are the most booked bus companies by our users on the Rome to Siena timetable.

FlixBus from Rome to Siena

FlixBus

Here you will find the key facts about the FlixBus bus route Rome to Siena:

Cheapest Price £5
Fastest Coach 2h 39m
Earliest Coach 09:25
Last Coach 21:45
Daily Connections 14 Ø
Found on 16/09/2026
In total 5 operators offer buses for this route. Find all bus timetables for them. Each coach company has a dedicated cancellation policy and possibilities for transport luggage on the bus. Check also special conditions to travel with kids or coach cards with rebates.

All bus stations and stops in Rome and Siena

Here is a map with all coach stations in Rome and Siena. Compare which stop is closest to your destination to save time to find the fastest buses and connections.

Compare the bus with other modes of transport

The bus is often the cheapest mode of transport, while other modes like train or flight are faster. Looking for quicker alternatives to travel from Rome to Siena? Compare all modes of transports from Rome to Siena.

All you need to know when you travel by bus from Rome to Siena

Check all information on comfort and services on the coaches from Rome to Siena. Which seat classes are available or what are the amenities of operators on your coach trip? Below you´ll find answers to your questions.

FAQs for Rome to Siena bus

How much does a Rome Siena coach trip cost?

This depends on, among other things, the day and travel time. The cheapest ticket for the Rome Siena bus trip is available from £4 and takes 2h 50m. Compare offers and save money!

How much could I save by comparing buses from Rome to Siena?

This connection is offered by 5 companies with ticket prices ranging from £4 to £70. Therefore, we suggest booking your ticket as soon as possible to ensure you’ll get the cheapest bus trip to Siena.

How many connections are available for the Rome Siena route on average every day?

Each day, the bus route from Rome to Siena is offered by roughly 39 busses. By using our search, you can compare bus schedules and find your ideal trip.

How long does a bus to Siena from Rome take?

The quickest coach from Rome to Siena is provided by FlixBus and takes 2h 39m. Coach tickets for this connection cost £8. However, keep in mind that the connection can take longer due to traffic.

What time is the first bus from Rome to Siena?

The earliest bus to Siena departs from Rome at 05:35. In this context, information about departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

What time is the last coach from Rome to Siena?

The latest bus to Siena departs from Rome at 22:15. Please note that departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

Which bus companies serve the Rome Siena route?

Passengers looking to travel from Rome to Siena can travel with Itabus, FlixBus and MarinoBus. Compare all available bus tickets with our search to book the trip that works best for you.

Is there a direct bus between Rome and Siena?

You can check all the direct connections between Rome and Siena by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: Itabus, FlixBus and MarinoBus.

What can I take with me on the bus to Siena from Rome?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the bus for the Rome Siena bus route free of charge. Simply use our search to find a coach that is best suited to your needs for your planned travel date.

What equipment is available for the Rome Siena bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make travelling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Rome to Siena on your planned travel date.

How does CheckMyBus find the best coach deals from Rome to Siena?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 39 daily trips between Rome and Siena. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from Rome to Siena?

Prices and availability for 39 trips between Rome and Siena change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

Available seat classes which are offered on the bus route Rome to Siena

Economy
Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

Premium Economy
PremiumEconomy

A mix between Economy and Business, it offers extra legroom, WI-FI and possible snacks.

More bus routes to Rome and to Siena

Here’s an overview of the most popular bus routes to Rome and to Siena. Simply click on the connection of your choice, and you’ll find all the details about your bus route!
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Bus from Battipaglia to Rome Bus from Battipaglia to Rome
Coach to Siena from Lucca Coach to Siena from Lucca
Coaches Prato to Siena Coaches Prato to Siena
Coaches Milan to Siena Coaches Milan to Siena
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Popular Airport Transfers to Rome and to Siena
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