How much is the bus ticket from Rome to Trieste?

The cheapest bus tickets from Rome to Trieste start from $18. The average price for this route is around $82. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

How long is the bus ride from Rome to Trieste?

The average bus travel time from Rome to Trieste is 12h 5m, covering a distance of 429 km. The quickest bus can get you there in 8h 30m and is operated by GoOpti .

Which bus companies service the Rome to Trieste route?

Several major bus companies operate on this route with 17 buses available per day, including services from FlixBus , Itabus , MarinoBus , BlaBlaCar Bus , GoOpti .

What are the earliest and latest departure times for the bus from Rome to Trieste?

The earliest bus departs from Rome to Trieste at 12:10am. And the latest bus departs at 11:59pm.

What are the CO₂ emissions for the bus trip from Rome to Trieste?

A bus trip from Rome to Trieste generates an estimated 11 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.

What is the best bus company from Rome to Trieste?

According to Busbud customers, the highest-rated bus company on this route is GoOpti , with an average rating of 4.6 out of 5 stars based on 140 reviews.

Which bus company has the best Wi-Fi from Rome to Trieste?

Based on Busbud reviews, the bus company GoOpti has the highest Wi-Fi rating with a score of 4.0.

Which bus company has the best on-time performance from Rome to Trieste?

According to Busbud traveller reviews, the most punctual bus company on this route is GoOpti , with a punctuality rating of 4.8 out of 5 stars.

Which bus company has the cleanest buses from Rome to Trieste?

According to Busbud traveller reviews, the bus company with the cleanest buses on this route is GoOpti , with a cleanliness rating of 4.8 out of 5 stars.

Bus Rome to Trieste from $15 | Refundable Tickets

Next bus departures

Next departures for Rome to Trieste on November 29
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	11:05pm	Rome Tiburtina Bus Station	9h 40m	8:45am	Trieste Centrale	Cheapest
Bus	9:20pm	Rome Tiburtina Bus Station	9h 5m	6:25am	Trieste Centrale	Fastest
Bus	11:00pm	Rome Tiburtina Bus Station	9h 30m	8:30am	Centrale	No tags
Bus	9:45pm	Rome Tiburtina Bus Station	15h 55m	1:40pm	Centrale	No tags
Bus	11:10pm	Aeroporto Ciampino Airport (CIA)	15h 30m	2:40pm	Trieste Centrale	No tags

Next departures for Rome to Trieste on November 30
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	9:20pm	Rome Tiburtina Bus Station	9h 5m	6:25am	Trieste Centrale	CheapestFastest
Bus	11:00pm	Rome Tiburtina Bus Station	9h 30m	8:30am	Centrale	No tags
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	No tags
Bus	6:55pm	Aeroporto Ciampino Airport (CIA)	17h 20m	12:15pm	Trieste Centrale	No tags
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	No tags

Next departures for Rome to Trieste on December 1
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	12:20pm	Rome Tiburtina Bus Station	9h 15m	9:35pm	Trieste Centrale	Cheapest
Bus	9:20pm	Rome Tiburtina Bus Station	9h 5m	6:25am	Trieste Centrale	Fastest
Bus	11:00pm	Rome Tiburtina Bus Station	9h 30m	8:30am	Centrale	No tags
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	No tags
Bus	3:30pm	Aeroporto Ciampino Airport (CIA)	20h 45m	12:15pm	Trieste Centrale	No tags

Next departures for Rome to Trieste on December 2
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	Cheapest
Bus	11:00pm	Rome Tiburtina Bus Station	9h 30m	8:30am	Centrale	Fastest
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	No tags
Bus	3:30pm	Aeroporto Ciampino Airport (CIA)	20h 45m	12:15pm	Trieste Centrale	No tags
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	No tags

Next departures for Rome to Trieste on December 3
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	11:05pm	Rome Tiburtina Bus Station	9h 40m	8:45am	Trieste Centrale	Cheapest
Bus	11:00pm	Rome Tiburtina Bus Station	9h 30m	8:30am	Centrale	Fastest
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	No tags
Bus	11:10pm	Aeroporto Ciampino Airport (CIA)	15h 30m	2:40pm	Trieste Centrale	No tags
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	No tags

Next departures for Rome to Trieste on December 4
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	11:59pm	Rome Tiburtina Bus Station	9h 51m	9:50am	Centrale	Cheapest
Bus	12:20pm	Rome Tiburtina Bus Station	9h 15m	9:35pm	Trieste Centrale	Fastest
Bus	11:00pm	Rome Tiburtina Bus Station	9h 30m	8:30am	Centrale	No tags
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	No tags
Bus	11:10pm	Aeroporto Ciampino Airport (CIA)	15h 30m	2:40pm	Trieste Centrale	No tags

Next departures for Rome to Trieste on December 5
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	Cheapest
Bus	9:20pm	Rome Tiburtina Bus Station	9h 5m	6:25am	Trieste Centrale	Fastest
Bus	11:00pm	Rome Tiburtina Bus Station	9h 30m	8:30am	Centrale	No tags
Bus	10:00am	Rome Tiburtina Bus Station	9h 35m	7:35pm	Centrale	No tags
Bus	3:30pm	Aeroporto Ciampino Airport (CIA)	20h 45m	12:15pm	Trieste Centrale	No tags

Last refresh of the prices: Today at 6:34 AM CET.

Compare 3 ways to go from Rome to Trieste

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach Trieste. The journey takes about 6 hours 10 minutes, and with fares starting at just $90, it presents an excellent value for a comfortable ride.

1carpool per day

6h 10mAverage Duration

431 kmDistance

18kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$18 - $271	Average Duration12h 5m	CO₂ emissions 11kg CO₂e
Train	Average Price$54 - $381	Average Duration5h 52m	CO₂ emissions 10kg CO₂e
Carpool	Average Price$90 - $90	Average Duration6h 10m	CO₂ emissions 18kg CO₂e

Where are the popular stops in Rome and Trieste?

Stops in Rome

A
Rome Ciampino Airport
Visit page
B
Rome Tiburtina Bus Station
Largo Guido Mazzoni, 3, 00162 Roma, Italy
Visit page
C
Rome Fiumicino Airport
Visit page
D
Castro Pretorio
Viale Castro Pretorio 76, 00185 Roma, Italy
E
Roma
F
Anagnina
Via Vincenzo Giudice, 00173 Roma RM, Italy

Stops in Trieste

A
Centrale
Piazza della Libertà 9, 34135 Trieste, Italy
Visit page
B
Stazione marittima
Molo dei Bersaglieri, 42, 34124 Trieste TS, Italy
Visit page
C
Trieste Airport
Visit page
D
Trieste
Via della Fonderia, 6, 34129 Trieste, Italy
E
Largo Città di Santos
Largo Città di Santos, 8, 34132 Trieste TS, Italy

Compare bus companies

FlixBus

3.5/511,473 reviews

Staff4.2

Timeliness3.9

Cleanliness4.1

Wifi2.7

Itabus

4/5947 reviews

Staff4.3

Timeliness3

Cleanliness4.3

Wifi3.1

MarinoBus

4/5896 reviews

Staff4.7

Timeliness4.3

Cleanliness4.3

Wifi3.3

BlaBlaCar Bus

3.5/511,171 reviews

Staff4.4

Timeliness3.6

Cleanliness4.3

Wifi2.6

GoOpti

4.5/5140 reviews

Staff4.7

Timeliness4.8

Cleanliness4.9

Wifi4

IT Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Rede Expressos, Trenitalia

Frequently asked questions about travelling from Rome to Trieste by bus

Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

How much is the bus ticket from Rome to Trieste?
The cheapest bus tickets from Rome to Trieste start from $18. The average price for this route is around $82. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Rome to Trieste?
The average bus travel time from Rome to Trieste is 12h 5m, covering a distance of 429 km. The quickest bus can get you there in 8h 30m and is operated by GoOpti.
Which bus companies service the Rome to Trieste route?
Several major bus companies operate on this route with 17 buses available per day, including services from FlixBus, Itabus, MarinoBus, BlaBlaCar Bus, GoOpti.
What are the earliest and latest departure times for the bus from Rome to Trieste?
The earliest bus departs from Rome to Trieste at 12:10am. And the latest bus departs at 11:59pm.
What are the CO₂ emissions for the bus trip from Rome to Trieste?
A bus trip from Rome to Trieste generates an estimated 11 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.
What is the best bus company from Rome to Trieste?
According to Busbud customers, the highest-rated bus company on this route is GoOpti, with an average rating of 4.6 out of 5 stars based on 140 reviews.
Which bus company has the best Wi-Fi from Rome to Trieste?
Based on Busbud reviews, the bus company GoOpti has the highest Wi-Fi rating with a score of 4.0.
Which bus company has the best on-time performance from Rome to Trieste?
According to Busbud traveller reviews, the most punctual bus company on this route is GoOpti, with a punctuality rating of 4.8 out of 5 stars.
Which bus company has the cleanest buses from Rome to Trieste?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is GoOpti, with a cleanliness rating of 4.8 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

11-27

$67

11-28

$43

Today

$21

11-30

$67

12-01

$15

12-02

$48

12-03

$15

12-04

$36

The cheapest trip from Rome to Trieste was searched and found on Dec 1, 2025 with a price of $15

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Rome to Trieste, as early as possible.

You can expect to pay from $15 to $222 for a bus ticket from Rome to Trieste based on the last 2 days. You can expect to find the cheapest price for the trip at $15 which is on 2025-12-01.

Usually FlixBus 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 Trieste?

The bus is the cheapest travel choice for this destination

Vehicle Type	Travel time	Avg Price	Daily Departures
Vehicle TypeBus	Travel time12h 5m	Avg Price$82	Daily Departures17
Vehicle TypeTrain	Travel time5h 52m	Avg Price$171	Daily Departures2
Vehicle TypeCarpool	Travel time6h 10m	Avg Price$90	Daily Departures1