Cheapest€19.43
- BlaBlaCar BB266118:335h 49m00:22Roma TiburtinaCagliari Piazza Matteotti
Door to door 6h 33mCO2 11.1 kgChanges 0Changeable for a fee
Rome to Cagliari bus
Buses from Rome to Cagliari start at €23.28 and take 6h 9m at their fastest.
The Buses from Rome to Cagliari starts at €23.28 and takes 6h 9m door to door, run by 1 operator over 412 km, with around 12 departures a day. Fares bottom out about 60 days before departure.
- 6h 9mDoor to door
- 5h 25mMoving
- €23.28From
- 11.1 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.
Bus 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 |
|---|---|---|---|---|---|
 BlaBlaCar | €19.43 | 6h 8m | 72 km/h | Changeable | Power outlets, Restrooms, Wi-Fi |
Cagliari sits on the water, which usually settles which side of town you want to wake up on. Rooms are not ours to sell.
Rooms within reach of Cagliari
Filter by neighborhood and by nightly price, and the map tells you what is a walk and what is a cab.
Search Cagliari on Booking.comOr compare on Expedia
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When to book Rome to Cagliari
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €19.9890 days
- €16.1360 days
- €18.8845 days
- €19.9830 days
- €24.9321 days
- €26.0314 days
- €30.437 days
- €32.083 days
- €41.981 days
- Cheapest lead time
- Fares bottom out around 60 days ahead, at €16.13.
- How much it moves
- The gap between the cheapest and most expensive lead time is 160 percent. The most expensive point is €41.98, 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.
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
- €26.03Thu
- €27.68Fri
- €29.88Sat
Where you leave from and where you arrive
The stations, airports and ports each mode on this corridor actually uses.
Rome
Bus
- Roma Tiburtina
- Lenin
Cagliari
Bus
- Cagliari Piazza Matteotti
- Autostazione ARST
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 Rome at 06:14 and the last at 20:44, across 12 departures. The return direction keeps its own timetable, so the times back are not these times reversed.
Buses 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 9m | 5h 25m | 44m | €23.28 | 11.1 kg | 12 |
| Ferry | 13h 26m | 11h 56m | 1h 30m | €31.69 | 47.4 kg | 12 |
Questions about Rome to Cagliari
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 Coach from Rome to Cagliari take?
The Coach from Rome to Cagliari takes 6h 9m door to door, of which 5h 25m 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 Coach from Rome to Cagliari cost?
The Coach from Rome to Cagliari starts at €23.28 for one passenger, checked on September 29, 2026. A typical fare is €23.01. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Coach from Rome to Cagliari?
1 operators run the Coach from Rome to Cagliari: BlaBlaCar. 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 Coach from Rome to Cagliari use?
The Coach from Rome to Cagliari leaves from Roma Tiburtina and arrives at Cagliari Piazza Matteotti. 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 Coach the best way from Rome to Cagliari?
Traveling from Rome to Cagliari by Train costs €52.59 and takes 3h 37m door to door, against 6h 9m by Coach. 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 Coach from Rome to Cagliari?
Fares for the Coach from Rome to Cagliari bottom out around 60 days ahead, at €16.13. The gap between the cheapest and most expensive lead time across the window is 160 percent, measured on September 29, 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Coach from Rome to Cagliari produce?
The Coach from Rome to Cagliari produces about 11.1 kg of CO2 per passenger over 412 km, which works out at roughly 27 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 Coach from Rome to Cagliari?
Operators on the Coach from Rome to Cagliari publish Power outlets, Restrooms, Wi-Fi. That is what 1 carriers on this corridor state about their own fleets, across a journey of 6h 9m 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 Rome to Cagliari on September 10, 2026: 412 km of route against 412 km in a straight line, 12 services a day, 1 operators, a cheapest fare of €23.28, and 6h 9m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
Related journeys
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Plenty of what is worth seeing sits outside Cagliari and elsewhere in Italy. None of it is ours to sell.
What to book in Cagliari before you go
Timed entry, guided walks and half-day trips out of Cagliari, with free cancellation on most of it.
See Cagliari on GetYourGuideOr browse Viator
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