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Cheap flights from Trieste to Rome from £131

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — ROM
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Trieste to Rome

Enter your travel dates to find the best prices.

Cheapest flights from Trieste to Rome
Explore the most affordable flight options available from Trieste to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Tue 16/1219:15TRS - FCO
Nonstop1h 10mITA Airways
Wed 17/1221:45FCO - TRS
Nonstop1h 10mITA Airways
Deal found 11/12£286

Find flight deals from Trieste to Rome

Discover tips and strategies to find the most affordable flight options for your journey from Trieste (TRS) to Rome (ROM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

£131

Popular in

December

Cheapest in

June

Average price

£155

Good round-trip deal

£149 or less

Good one-way deal

£1,321 or less
ITA Airways
  • ITA Airways
  • 25/4-27/4
  • Nonstop
  • 2h 20m total
  • Trieste to Rome
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£20 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Trieste Ronchi dei Legionari to Rome (ROM).
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Price to beat on a one-way flight from Trieste Ronchi dei Legionari to Rome (ROM).
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Trieste to Rome that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Trieste to Rome that are best for you.

Fly from

Trieste

Fly to

Rome

Route

Depart

Return

Price

TriesteRome

TRS - FCO

TRSFCO

Trieste Ronchi dei Legionari

Sat 25/4

15:15-16:25

Nonstop1h 10m

Rome Fiumicino

Sun 26/4

17:20-18:30

Nonstop1h 10m

£131

TriesteRome

TRS - FCO

TRSFCO

Trieste Ronchi dei Legionari

Fri 24/4

19:15-20:25

Nonstop1h 10m

Rome Fiumicino

Mon 27/4

09:15-10:25

Nonstop1h 10m

£156

TriesteRome

TRS - FCO

TRSFCO

Trieste Ronchi dei Legionari

Thu 23/4

15:15-16:25

Nonstop1h 10m

Rome Fiumicino

Sun 26/4

13:20-14:30

Nonstop1h 10m

£156

TriesteRome

TRS - FCO

TRSFCO

Trieste Ronchi dei Legionari

Thu 23/4

19:15-20:25

Nonstop1h 10m

Rome Fiumicino

Mon 27/4

09:15-10:25

Nonstop1h 10m

£156

TriesteRome

TRS - FCO

TRSFCO

Trieste Ronchi dei Legionari

Wed 22/4

19:15-20:25

Nonstop1h 10m

Rome Fiumicino

Sat 25/4

09:15-10:25

Nonstop1h 10m

£235

TriesteRome

TRS - FCO

TRSFCO

Trieste Ronchi dei Legionari

Thu 23/4

15:15-16:25

Nonstop1h 10m

Rome Fiumicino

Sat 25/4

09:15-10:25

Nonstop1h 10m

£261

TriesteRome

TRS - FCO

TRSFCO

Trieste Ronchi dei Legionari

Fri 24/4

11:15-12:25

Nonstop1h 10m

Rome Fiumicino

Sat 25/4

09:15-10:25

Nonstop1h 10m

£261

TriesteRome

TRS - FCO

TRSFCO

Trieste Ronchi dei Legionari

Sat 25/4

15:15-16:25

Nonstop1h 10m

Rome Fiumicino

Sat 25/4

21:45-22:55

Nonstop1h 10m

£261

Flights are sorted by cheapest return flights first.

Deals found on 12/12

Best time to book a flight from Trieste to Rome

Have a flexible travel schedule? Discover the best time to fly to Rome from Trieste with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trieste to Rome

How far ahead should I book a flight from Trieste to Rome?

Use this chart to determine the optimal time to book a return flight from Trieste to Rome. Price data was last updated on 5 December 2025.

The best time to book flights from Trieste to Rome is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Trieste to Rome?

Currently, March is the cheapest month in which you can book a flight from Trieste to Rome (average of £69). Flying from Trieste to Rome in December is currently the most expensive (average of £91). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TRS to ROM?

Find hourly flight availability from Trieste to Rome. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

When flying from Trieste to Rome, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Trieste to Rome

Explore weekly flight availability from Trieste to Rome. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 December 2025.

The most flights from TRS to ROM are scheduled on a Wednesday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost for a return flight from Trieste to Rome?

How often are flights from Trieste to Rome delayed?

About 11% of weekly flights between Trieste and Rome have experienced delays in the past year, with the average delay time being 86 minutes.

What is the most punctual flight time for Trieste to Rome flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Trieste to Rome flights?

Over the past year, ITA Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Trieste to Rome. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trieste to Rome?

    Located just 18.2 mi from the city center, Trieste Ronchi dei Legionari is the airport most travelers will use when flying to Rome from Trieste. Booking flights from Ronchi dei Legionari (TRS) to Rome should be relatively easy as there are 25 daily outbound flights to Rome from 0 different airlines.

  • How long is the flight from Trieste to Rome?

    For as low as £131, ITA Airways can have you in Rome from Trieste in 1h 10m. Airlines will cover a distance of 285 mi. Most flights are nonstop.

  • What are the most reliable airlines from Trieste to Rome?

    Before booking your flight to Rome from Trieste, check out the most reliable airlines to get you to your destination on time: TAROM (100%), SWISS (97%), United Airlines( 96%).

  • What are the cheapest flights from Trieste to Rome?

    Looking for the cheapest flight from Trieste to Rome? While on average our users pay £809, our data indicates the cheapest price to be £147. The most popular route (Trieste Ronchi dei Legionari - Rome Fiumicino), is priced around £131.

  • Can I find deals for flights from Trieste to Rome that include hotel bookings?

    Yes. In addition to deals on Trieste to Rome flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Trieste to Rome?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to Rome.

  • Can I find deals for business class flights from Trieste to Rome?

    Yes. Cheapflights offers flight deals from Trieste to Rome by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trieste to Rome?

    Currently, March is the cheapest month in which you can book a flight from Trieste to Rome (average of £69). Flying from Trieste to Rome in December is currently the most expensive (average of £91). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Rome?

Book flights to Rome if you plan to visit one of these locations
Fiumicino
Civitavecchia
Cassino
Gaeta
Frascati
Montepulciano
Ciampino

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Alternative routes for Trieste to Rome

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Trieste to Rome?

When you search for this flight from Trieste to Rome, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Can Cheapflights find flights from Trieste to Rome with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Trieste to Rome, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Trieste to Rome become cheaper?

Not ready to book yet? You can track prices for flights from Trieste to Rome on Cheapflights with our Price Alert feature and get notified when better prices are available.

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