Cheap Flights from Rome to Trieste

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Flight deals from Rome to Trieste Airport

Looking for a cheap last-minute deal or the best round-trip flight from Rome to Trieste Airport? If you want to travel next month, round-trip fares start from AED 326. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Rome to Trieste

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rome to Trieste flights are currently cheapest in May.

Direct flights from Rome to Trieste

Rome to Trieste: Alternative routes

Compare routes from Rome to Trieste below. You may find an airport to fly into that's cheaper, faster, or easier than Trieste.

Rome to Trieste: Flight information

The things to know before you go.
Cheapest flight foundAED 128
Cheapest month to flyMay
Average flight time1 hr, 10 mins
Most popular airlineITA Airways
Average flights per week403

Finding cheap flights from Rome to Trieste: Frequently asked questions

The best price we found for a round-trip flight from Rome to Trieste is AED 273. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 10 minutes is the average flight time from Rome to Trieste.
ITA Airways, Aerolíneas Argentinas and Etihad Airways fly direct from Rome to Trieste.
There are 403 flights per week flying from Rome to Trieste, as of March 2026.
The cheapest month to fly from Rome to Trieste is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Rome to Trieste Airport on Thursday, September 24, 2026.
Yes – the average flight time is 1 hour and 10 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Trieste but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Trieste is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Rome to Trieste Ronchi dei Legionari Airport (TRS): What you need to know

  • Your boarding pass to adventure starts at Rome's main airport, Rome Leonardo da Vinci Fiumicino Airport (FCO). Explore your options for reserving a flight from Rome to Trieste Ronchi dei Legionari Airport (TRS) leaving from this base.

  • 1 hour 10 minutes is the average journey time for a direct Rome to Trieste Ronchi dei Legionari Airport flight.

  • Trieste (where Trieste Ronchi dei Legionari Airport is located) and Rome share the UTC+1 timezone. You'll have no time difference to factor in for your trip.

  • With 22 direct flights a week between the two airports, Rome Leonardo da Vinci Fiumicino Airport (FCO) to Trieste Ronchi dei Legionari Airport (TRS) is the most popular route. ITA Airways operates the earliest flight at 9:15am. If you prefer to make the most of your day before leaving, the latest departure from FCO to TRS is with ITA Airways at 9:45pm.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your flight from Rome to TRS.

  • Flying during a peak month like August? Major public holidays and other popular periods can mean longer lines and delays at security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

Airports in Rome

Rome Leonardo da Vinci Fiumicino Airport (FCO)

  • Take the express route from Rome Leonardo da Vinci Fiumicino Airport (FCO). Direct flights from Rome to Trieste Ronchi dei Legionari Airport (TRS) operate from here.

  • ITA Airways is a leading airline that operates direct flights from Rome to Trieste Ronchi dei Legionari Airport departing from FCO.

  • Most travelers choose to book seats with ITA Airways from FCO to TRS.

  • ITA Airways ranks highest for on-time performance. An impressive 89.27% of its services on this route arrive as planned.

  • Located around 32 kilometers from central Rome, FCO can be reached in about 40 minutes by car, depending on traffic. The journey by public transport will take roughly 30 minutes.

  • Booked an early flight from Rome to Trieste Ronchi dei Legionari Airport? Avoid the mad dash to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays near Rome Leonardo da Vinci Fiumicino Airport:

  • 78% of flights leaving from Rome Leonardo da Vinci Fiumicino Airport reach their destination on schedule.

Rome Ciampino Airport (CIA)

  • With public transport, you can travel from central Rome to CIA in around 20 minutes. The terminal is roughly 14 kilometers away, and making the journey by car will take approximately 20 minutes.

  • Got a crack-of-dawn departure? Think about staying at one of these accommodation options near Rome Ciampino Airport the day before your Rome to TRS flight:

  • The majority of flights that depart Rome Ciampino Airport make it to their destination as planned. It boasts an on-time performance rate of 85%.

About Trieste Ronchi dei Legionari Airport (TRS)

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Rome to Trieste Ronchi dei Legionari Airport. Make yourself comfy at one of these accommodation options near TRS instead:

  • To get the best deal, book your ride around three weeks ahead of your Rome to Trieste Ronchi dei Legionari Airport flight.

Getting from Trieste Ronchi dei Legionari Airport (TRS) to central Trieste

  • From Trieste Ronchi dei Legionari Airport, central Trieste is around 32 kilometers away. It takes about 35 minutes to reach the city center by car.

  • When traveling on public transport, expect a journey time of roughly 45 minutes.

How to find the cheapest flights from Rome to Trieste Ronchi dei Legionari Airport (TRS)

  • The cheapest price we've found for a one-way ticket from Rome to Trieste Ronchi dei Legionari Airport is AED 128. For a return flight on this route, the best price is AED 273. Depending on the availability when you book, these fares could change.

  • Don't wait until the last moment. You're more likely to find cheap flights from Rome to TRS if you book in advance. Airlines often have some fantastic early bird deals.

  • The 'Whole month' tool shows you the cheapest Rome to Trieste Ronchi dei Legionari Airport tickets across the month. It's a good way to find a bargain if your plans aren't set in stone.

  • Spend less time searching for cheap plane tickets from Rome to TRS by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Filters make it easier to track down a bargain for your flight from Rome to Trieste Ronchi dei Legionari Airport. Pick the airlines, flight times and number of stops that line up with your plans. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from Rome to Trieste Ronchi dei Legionari Airport (TRS)

  • Think about your travel style when deciding the best time to fly. December is the quietest month to go to Trieste. August is when most people book flights from Rome to Trieste Ronchi dei Legionari Airport (TRS), which may be ideal if you're chasing more excitement.

  • When booking your Rome to TRS plane ticket, consider the weather you're most comfortable in. August is the warmest month in Trieste, with temperatures ranging from 17ºC (63ºF) to 31ºC (88ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from Rome to Trieste Ronchi dei Legionari Airport in January when temperatures are between 0ºC (32ºF) and 9ºC (48ºF).

More about Trieste

  • After booking your flight from Rome to Trieste Ronchi dei Legionari Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Trieste:

  • All great journeys should include a little sightseeing. Canale Grande, Miramare Castle and Riserva Naturale Marina di Miramare are attractions you won't want to skip in Trieste.

Explore more of Italy

  • Bologna is just one of the many places in Italy waiting to be explored once you've seen the sights of Trieste. Around 225 kilometers away to the southwest, its top attractions include Piazza Maggiore, St. Peter's Basilica Church and Two Towers.

  • If you're eager to discover another major stop in Italy, head for Florence, roughly 290 kilometers southwest of Trieste. Brunelleschi's Dome, David of Michelangelo and Uffizi Gallery are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.