Cheap flights from Trieste to Rome from £31

TRS — ROM
9 Dec — 16 Dec1
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

Mon 14/1219:15 -
Nonstop1h 10m
Thu 17/1217:20 -
Nonstop1h 10m
Deal found 6/11£111
Fri 18/1219:15 -
Nonstop1h 10m
Mon 21/1209:15 -
Nonstop1h 10m
Deal found 5/11£128
Fri 18/1206:35 -
Nonstop1h 10m
Fri 18/1213:20 -
Nonstop1h 10m
Deal found 8/11£135
Thu 26/1115:15 -
Nonstop1h 10m
Thu 26/1121:45 -
Nonstop1h 10m
Deal found 6/11£136
Thu 31/1215:15 -
Nonstop1h 10m
Sun 3/117:20 -
Nonstop1h 10m
Deal found 6/11£137
Wed 18/1119:15 -
Nonstop1h 10m
Sun 22/1121:45 -
Nonstop1h 10m
Deal found 7/11£145
Sat 21/1106:35 -
Nonstop1h 10m
Sun 22/1113:20 -
Nonstop1h 10m
Deal found 5/11£153
Thu 3/1215:15 -
Nonstop1h 10m
Fri 4/1213:20 -
Nonstop1h 10m
Deal found 8/11£165

Find flight deals from Trieste to Rome

Round-trip from

£111

One-way from

£31

Popular in

January

Cheapest in

June

Average price

£142

Good one-way deal

£166 or less
ITA Airways
  • ITA Airways
  • 14/12-17/12
  • Nonstop
  • 2h 20m total
  • Trieste to Rome
Ryanair
  • Ryanair
  • 13/12-31/12
  • 1 total stop
  • 10h 25m total
  • Trieste to Rome
Highest demand for flights based on searches. 14% potential increase in price (£18 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a one-way flight from Trieste Ronchi dei Legionari to Rome (ROM).

Cheapflights Fare Finder

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

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Price

Cheapest return flight

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Sun 13/12

06:45-17:10

1 stop10h 25m

Rome Fiumicino

Wed 31/12

00:00-00:00

Nonstop0h 00m

£31

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Fri 11/12

17:05-07:30

1 stop14h 25m

Rome Fiumicino

Wed 31/12

00:00-00:00

Nonstop0h 00m

£40
Fastest return journey

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Sun 13/12

15:15-16:25

Nonstop1h 10m

Rome Fiumicino

Wed 31/12

00:00-00:00

Nonstop0h 00m

£41

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Sun 15/11

19:15-20:25

Nonstop1h 10m

Rome Fiumicino

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Tue 24/11

19:15-20:25

Nonstop1h 10m

Rome Fiumicino

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Mon 23/11

19:15-20:25

Nonstop1h 10m

Rome Fiumicino

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Wed 25/11

19:15-20:25

Nonstop1h 10m

Rome Fiumicino

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Sat 5/12

15:15-16:25

Nonstop1h 10m

Rome Fiumicino

Wed 31/12

00:00-00:00

Nonstop0h 00m

£73

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Sat 21/11

06:35-07:45

Nonstop1h 10m

Rome Fiumicino

Wed 31/12

00:00-00:00

Nonstop0h 00m

£103

TriesteRome

TRS Trieste Ronchi dei Legionari - FCO Rome Fiumicino

TRSFCO

Trieste Ronchi dei Legionari

Mon 14/12

19:15-20:25

Nonstop1h 10m

Rome Fiumicino

Thu 17/12

17:20-18:30

Nonstop1h 10m

£111

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 19 resultsSorted by cheapest first
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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

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 £124). Flying from Trieste to Rome in January is currently the most expensive (average of £199). 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?

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

The most flights from TRS to ROM are scheduled on a Sunday (49 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 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 £124 and £246 in December.
The cheapest return price found within the last 5 days was £111 on ITA Airways (14 Dec–17 Dec).

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 94 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 Friday 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 64 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

  • 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 38 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 (94%), United Airlines (93%), Air Serbia( 91%).

  • What are the cheapest flights from Trieste to Rome?

    Looking for the cheapest flight from Trieste to Rome? While on average our users pay £192, our data indicates the cheapest price to be £52. The most popular route (Trieste Ronchi dei Legionari - Rome Fiumicino), is priced around £133.

  • 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 £124). Flying from Trieste to Rome in January is currently the most expensive (average of £199). 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?

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Alternative routes for Trieste to Rome

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