Fastest€48.19
- Trenitalia T292713:212h 53m16:14CagliariRoma Termini
Door to door 3h 37mCO2 13.6 kgChanges 0Refundable
Cagliari to Rome train
Trains from Cagliari to Rome start at €52.59 and take 3h 37m at their fastest.
The Trains from Cagliari to Rome starts at €52.59 and takes 3h 37m door to door, run by 1 operator over 412 km, with around 12 departures a day. Fares bottom out about 45 days before departure.
- 3h 37mDoor to door
- 2h 53mMoving
- €52.59From
- 13.6 kgCO2
The cheapest and the fastest on September 29, 2026
Two journeys we can sell today, with the service number each operator files them under.
Rail operators
Speed, flexibility and what is on board. Nothing here is a rating, because we have not earned one.
| Operator | From | Fastest | Typical speed | Flexibility | On board |
|---|---|---|---|---|---|
 Trenitalia | €45.44 | 3h 34m | 140 km/h | Refundable | Power outlets, Wi-Fi |
Rome is big enough that where you sleep decides what the days look like. We sell the seat, not the room.
A room in Rome for the night the train gets in
Filter by neighborhood and by nightly price, and the map tells you what is a walk and what is a cab.
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When to book Cagliari to Rome
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €22.7390 days
- €17.2360 days
- €16.6845 days
- €17.2330 days
- €22.7321 days
- €28.2314 days
- €36.487 days
- €33.733 days
- €44.731 days
- Cheapest lead time
- Fares bottom out around 45 days ahead, at €16.68.
- How much it moves
- The gap between the cheapest and most expensive lead time is 168 percent. The most expensive point is €44.73, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 45 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- €27.13Sun
- €23.28Mon
- €24.38Tue
- €24.93Wed
- €30.43Thu
- €27.68Fri
- €28.23Sat
Where you leave from and where you arrive
The stations, airports and ports each mode on this corridor actually uses.
Cagliari
Rail
- Cagliari
- Cagliari railway station
- Cagliari Elmas railway station
Rome
Rail
- Roma Termini
- Ciampino
- Roma Balduina
What the journey actually looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- How far it really runs
- The route covers 412 km against 412 km in a straight line, a detour of 1 percent. Track and road geometry account for the difference.
- First and last departure
- The first service of the day leaves Cagliari at 06:01 and the last at 21:14, across 12 departures. The return direction keeps its own timetable, so the times back are not these times reversed.
Trains against the other ways to make this journey
The same corridor, door to door, with every mode that runs it.
| Mode | Door to door | Moving | At the ends | From | CO2 | Per day |
|---|---|---|---|---|---|---|
| Train | 3h 37m | 2h 53m | 44m | €52.59 | 13.6 kg | 12 |
| Flight | 4h 7m | 57m | 3h 10m | €47.34 | 104.3 kg | 32 |
| Coach | 6h 8m | 5h 24m | 44m | €23.28 | 11.1 kg | 12 |
| Ferry | 13h 26m | 11h 56m | 1h 30m | €31.69 | 47.4 kg | 12 |
Questions about Cagliari to Rome
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 the Train from Cagliari to Rome take?
The Train from Cagliari to Rome takes 3h 37m door to door, of which 2h 53m is spent moving. The route runs 412 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.
How much does the Train from Cagliari to Rome cost?
The Train from Cagliari to Rome starts at €52.59 for one passenger, checked on September 12, 2026. A typical fare is €54.79. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Train from Cagliari to Rome?
1 operators run the Train from Cagliari to Rome: Trenitalia. Between them they file around 12 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Train from Cagliari to Rome use?
The Train from Cagliari to Rome leaves from Cagliari and arrives at Roma Termini. Allow about 44m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
Is the Train the best way from Cagliari to Rome?
Traveling from Cagliari to Rome by Flight costs €47.34 and takes 4h 7m door to door, against 3h 37m by Train. Which is better depends on whether the money or the hours matter more on this trip. The comparison table on this page shows every mode side by side.
When should I book the Train from Cagliari to Rome?
Fares for the Train from Cagliari to Rome bottom out around 45 days ahead, at €16.68. The gap between the cheapest and most expensive lead time across the window is 168 percent, measured on September 12, 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Train from Cagliari to Rome produce?
The Train from Cagliari to Rome produces about 13.6 kg of CO2 per passenger over 412 km, which works out at roughly 33 grams per passenger kilometer. That figure is for the whole journey and for one traveler, not for the vehicle.
What is provided on board the Train from Cagliari to Rome?
Operators on the Train from Cagliari to Rome publish Power outlets, Wi-Fi. That is what 1 carriers on this corridor state about their own fleets, across a journey of 3h 37m door to door. Where a carrier publishes nothing, this page lists nothing for it.
Where these numbers come from
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Schedules, seat counts and fares are generated by our own model until the supplier contracts are signed. Places, coordinates, operators, which operator serves which pair, and every distance are real. We would rather say that on every page than let a modeled number pass for a filed one.
Defined in full at Door to door, Fares, The booking window, Carbon
- On this page
- Every figure above was computed for Cagliari to Rome on September 12, 2026: 412 km of route against 412 km in a straight line, 12 services a day, 1 operators, a cheapest fare of €52.59, and 3h 37m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
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The trip is the easy half to plan. The days in Rome are the half people leave until last.
Day trips out of Rome and across Italy
Day trips that leave Rome in the morning and cover a good part of Italy by evening.
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