Naples to Siena runs about 2 times a day, with the first departure around 07:30 and the last around 07:30. One passenger pays between €36.09 and €53.14, every fee included, depending on the operator and the way you travel. The fastest door to door is 4h 57m over 427 km, on services run by 2 operators across 2 modes.
What one seat costs
The spread between the cheapest and dearest typical fare on this corridor, across 0 operators and 2 ways of making the journey. The operator sets the price on the day.
Typical fares · Priced for October 14, 2026
€36.09 to €53.14
- 255%Moves across the booking window
255%When it runs, leaving Naples
Typical first and last departure on this corridor.
- 07:30First departure
- 07:30Last departure
- 2Services per day
- 0%Run direct
07:30
07:30
2
0%Departure times on this route
12Go lists the departures it sells between Naples and Siena.
Partner link. The seller pays us a commission when a booking completes, and it never changes what you pay.
Fares by date
What this journey usually costs, by departure date. It shows which days run dearer.
Typical fares
- about €108.69Fri25
- about €89.99Sat26
- about €80.09Sun27
- about €58.09Mon28
- about €63.04Tue29
- about €64.69Wed30
- about €67.44Thu1
- about €58.64Fri2
- about €62.49Sat3
- about €51.49Sun4
- about €37.19Mon5
- about €49.29Tue6
- about €43.24Wed7
- about €53.69Thu8
- about €46.54Fri9
- about €43.79Sat10
- about €44.89Sun11
- about €41.59Mon12
- about €41.04Tue13
- about €36.09Wed14
- about €47.64Thu15
Based on what this route has cost recently. The live fare is confirmed when you book.
The train gets you into Siena. These two partners take it from there, and the bed is theirs to book.
A room in Siena for the night the train gets in
Sort by distance from Siena railway station and you can see which places are ten minutes on foot and which are not.
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When to book Naples to Siena
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €41.0490 days
- €30.5960 days
- €40.4945 days
- €42.1430 days
- €47.6421 days
- €53.6914 days
- €67.447 days
- €80.093 days
- €108.691 days
- Cheapest lead time
- Fares bottom out around 60 days ahead, at €30.59.
- How much it moves
- The gap between the cheapest and most expensive lead time is 255 percent. The most expensive point is €108.69, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 60 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Book now Fares on this route are lowest around 60 days ahead. You are inside that window.
This corridor, specifically
Facts that apply to Naples to Siena and to no other route on the site.
Clocks
Both ends keep the same time, so the arrival is the departure plus the journey.
The shape of it
427 km
366 km as the crow flies, 17% further by the route services take. The bearing runs north-west.
Who lives at each end
909,048 → 53,901
Population at the departure city and at the arrival city, which is usually what decides how often anything runs.
The route
What the journey looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- Direct or connecting
- 0% of the services we sell on this corridor run through without a change. The remaining 100% involve one connection.
- How far it really runs
- The route covers 427 km against 366 km in a straight line, a detour of 17 percent. Track and road geometry account for the difference.
- Where the change is
- Connections are made at Rome, Florence, Civitavecchia. The gap between arriving and leaving is 76 minutes, of which about 5 is walking.
- If the connection is missed
- The tightest connection we sell here has a 13 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
Who runs this route
Siena is small enough to see in an afternoon, which is easier without the luggage. Storing it is not our business.
Baggage storage near Siena railway station
Most of the points near Siena railway station open before the first train and close after the last one.
Check Siena on StasherOr try Bounce
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Questions about Naples to Siena
The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does it take to get from Naples to Siena?
The fastest journey from Naples to Siena takes 4h 57m door to door, of which 3h 4m is spent moving, on the train. Most services take around 7h 33m, because that average includes slower stopping services and journeys with a connection. Times include reaching the terminal and leaving it at the far end.
How much does it cost to travel from Naples to Siena?
The cheapest fare from Naples to Siena is €36.09, as of September 24, 2026. A typical fare across the next three weeks is €69.63. Both figures are the total for one passenger, including taxes, supplier fees and our service fee, so nothing is added at checkout.
What is the cheapest way to get from Naples to Siena?
The cheapest way from Naples to Siena is by ferry, at €36.09 for one passenger on October 14, 2026. That journey takes 12h 15m door to door. Cheaper is rarely faster on this corridor, and the comparison table on this page shows what each mode costs against what it saves.
What is the fastest way to get from Naples to Siena?
The fastest way from Naples to Siena is by train, at 5h 4m door to door. Only 3h 4m of that is spent moving; the remaining 2h is reaching the terminal and leaving it at the far end. The cheapest fare on that mode is €53.14.
When should I book Naples to Siena?
Fares from Naples to Siena bottom out around 60 days before departure, at €30.59. Across the whole booking window the gap between the cheapest and the most expensive lead time is 255 percent, measured on September 24, 2026. Booking inside the last week has consistently cost more on this corridor.
Which day of the week is cheapest for Naples to Siena?
Monday is the cheapest day to depart from Naples to Siena, at €41.59. That is the median of 21 priced departure days across the next three weeks, as of September 24, 2026. Shifting a departure by one day is usually worth more than shifting the booking by one week.
Which month is cheapest for Naples to Siena?
December is the cheapest of the next 5 months to travel from Naples to Siena, at €32.24 for one passenger. Each month is priced on its fifteenth, so the comparison is like for like rather than a mix of weekends and midweek departures.
Who runs service from Naples to Siena?
2 operators sell services from Naples to Siena across 2 modes: Grimaldi, Trenitalia. Journey times, fares and fare conditions differ between them, and the operator table on this page compares all of them on speed, flexibility and what is provided on board.
Is there a direct service from Naples to Siena?
0 percent of the services we sell from Naples to Siena are direct. The rest connect at Rome, Florence, Civitavecchia, with about 76 minutes between the two services. Both legs are sold on one booking, so a missed connection is rebooked at no charge.
How much CO2 does the journey from Naples to Siena produce?
Traveling from Naples to Siena by ferry produces about 11.1 kg of CO2 per passenger, the lowest of any mode on this corridor. The same journey by Train produces about 14.3 kg, roughly 1 times as much for one passenger.
Which station or terminal do services from Naples to Siena use?
Services from Naples to Siena by train leave from Napoli Centrale and arrive at Siena railway station. Allow about 44m in total for reaching the departure terminal and leaving the arrival one, which is already included in every door to door time on this page.
Can I change or refund a ticket from Naples to Siena?
2 of the 2 operators we sell from Naples to Siena allow a change or a refund. A change on a changeable fare costs €5.00. The operator table on this page names which is which, and the condition is shown again before you pay.
Where these numbers come from
Places, coordinates, operators, which operator serves which pair, and every distance on this page are real and come from open data. Where a corridor has a filed timetable the departure times are real too, and ferry fares are the prices the operators publish themselves.
Observed service A carrier record names this operator on this pair, carried through unchanged.
Prices come from the supplier wherever we hold a live quote. Elsewhere we show an indicative price built from the real distance, the real operator and a fare curve over lead time, day of the week and season. Those are labeled Estimated fare and cannot be booked.
Defined in full at Door to door, Fares, The booking window, Carbon, Distances
- On this page
- Every figure above was computed for Naples to Siena on September 24, 2026: 427 km of route against 366 km in a straight line, 3 services a day, 2 operators a cheapest fare of €36.09, and 4h 57m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
The train is the simple part. What you do once you are in Siena is somebody else's catalog.
Day trips out of Siena and across Italy
Day trips that leave Siena in the morning and cover a good part of Italy by evening.
See Siena on GetYourGuideOr browse Viator
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The two ends, compared
Naples reaches 226 places in 43 countries on services we hold, over distances from 23 to 9,193 km. Siena reaches 28 places in 1 countries, from 47 to 517 km.
Other ways to make this journey
Leaving Naples
- 226Places you can leave for
- 43Countries
- 59Operators
43
59Arriving in Siena
Leaving Siena
- 28Places you can leave for
- 1Countries
- 1Operators