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Cheap flights from Trieste to Rome from £48

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — ROM
8 Sep — 15 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Trieste Ronchi dei Legionari to Rome are usually found in June or October, booked 58 days in advance, depart on a Wednesday or Monday and return on a Monday

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 9 August 2026.

Tue 29/906:35 -
Nonstop1h 10m
Wed 30/909:15 -
Nonstop1h 10m
Deal found 6/8£111
Fri 16/1011:15 -
Nonstop1h 10m
Sun 18/1021:45 -
Nonstop1h 10m
Deal found 7/8£128
Fri 18/1215:15 -
Nonstop1h 10m
Mon 21/1217:20 -
Nonstop1h 10m
Deal found 7/8£136
Wed 12/819:15 -
Nonstop1h 10m
Sun 23/821:45 -
Nonstop1h 10m
Deal found 8/8£146
Mon 14/919:15 -
Nonstop1h 10m
Fri 18/913:15 -
Nonstop1h 15m
Deal found 4/8£150
Fri 28/806:35 -
Nonstop1h 10m
Sun 30/821:45 -
Nonstop1h 10m
Deal found 6/8£150
Wed 12/819:15 -
Nonstop1h 10m
Tue 18/817:20 -
Nonstop1h 10m
Deal found 8/8£153
Fri 21/806:35 -
Nonstop1h 10m
Mon 24/806:05 -
1 stop15h 50m
Deal found 8/8£154
Fri 30/1011:15 -
Nonstop1h 10m
Sat 31/1009:15 -
Nonstop1h 10m
Deal found 6/8£162

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 9 August 2026.

Round-trip from

£111

One-way from

£48

Popular in

January

Cheapest in

June

Average price

£141
ITA Airways
  • ITA Airways
  • 29/9-30/9
  • Nonstop
  • 2h 20m total
  • Trieste to Rome
Search Deals
ITA Airways
  • ITA Airways
  • 25/9
  • Nonstop
  • 1h 10m total
  • Trieste to Rome
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 9 August 2026.
Use the filters below to find and compare flights from Trieste to Rome that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Mon 4/1

11:15-12:25

Nonstop1h 10m

Rome Fiumicino

Sun 17/1

13:20-14:30

Nonstop1h 10m

£111

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Fri 16/10

11:15-12:25

Nonstop1h 10m

Rome Fiumicino

Sun 18/10

13:20-14:30

Nonstop1h 10m

£128

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Fri 25/9

06:35-07:45

Nonstop1h 10m

Rome Fiumicino

Sun 27/9

21:45-22:55

Nonstop1h 10m

£128

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Tue 29/9

06:35-07:45

Nonstop1h 10m

Rome Fiumicino

Wed 30/9

09:15-10:25

Nonstop1h 10m

£129

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Fri 18/12

06:35-07:45

Nonstop1h 10m

Rome Fiumicino

Mon 21/12

17:20-18:30

Nonstop1h 10m

£136

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Thu 29/10

19:15-20:25

Nonstop1h 10m

Rome Fiumicino

Sun 1/11

09:15-10:25

Nonstop1h 10m

£136

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Wed 28/10

06:35-07:45

Nonstop1h 10m

Rome Fiumicino

Mon 2/11

09:15-10:25

Nonstop1h 10m

£136
Cheapest one-way
Fastest single journey

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Tue 8/9

06:35-07:45

Nonstop1h 10m

£48

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Wed 9/9

06:35-07:45

Nonstop1h 10m

£48

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Fri 25/9

06:35-07:45

Nonstop1h 10m

£49

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

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

Currently, June is the cheapest month in which you can book a flight from Trieste to Rome (average of £122). Flying from Trieste to Rome in January is currently the most expensive (average of £205). 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 9 August 2026.

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 9 August 2026.

The most flights from TRS to ROM are scheduled on a Friday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (19 on average).

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

Airfare is below average for this route at the moment.
Trieste to Rome flights typically cost between £116 and £188 in September.
The cheapest return price found within the last 5 days was £111 on ITA Airways (29 Sept–30 Sept).

How often are flights from Trieste to Rome delayed?

About 14% of weekly flights between Trieste and Rome have experienced delays in the past year, with the average delay time being 92 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 in the early afternoon 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 Thursday 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 14% of flights being delayed.

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

The best time to book flights from Trieste to Rome is 63 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.

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 28 daily outbound flights to Rome from 0 different airlines.

  • How long is the flight from Trieste to Rome?

    For as low as £111, 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: KM Malta Airlines (100%), United Airlines (93%), Air Serbia( 93%).

  • 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, June is the cheapest month in which you can book a flight from Trieste to Rome (average of £122). Flying from Trieste to Rome in January is currently the most expensive (average of £205). 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

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Alternative routes for Trieste to Rome

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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.

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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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