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Cheap flights from Rome Fiumicino Airport to Trieste from £104

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — TRS
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find flight deals from Leonardo da Vinci/Fiumicino to Trieste

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Cheapest flights from Leonardo da Vinci/Fiumicino to Trieste
Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Wed 3/1221:45FCO - TRS
2 stops16h 15mMultiple Airlines
Wed 10/1219:15TRS - FCO
Nonstop1h 10mMultiple Airlines
Deal found 19/10£104
Wed 3/1217:20FCO - TRS
Nonstop1h 10mITA Airways
Wed 10/1219:15TRS - FCO
Nonstop1h 10mITA Airways
Deal found 19/10£119

Cheap flight deals from Leonardo da Vinci/Fiumicino to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from Leonardo da Vinci/Fiumicino (FCO) to Trieste (TRS). 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 21 October 2025.

Round-trip from

£104

Popular in

September

Cheapest in

May

Average price

£179

Good one-way deal

£46 or less
ITA Airways
  • ITA Airways
  • 3/12-10/12
  • 2 total stops
  • 17h 25m total
  • Rome to Trieste
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Highest demand for flights based on searches. 30% potential increase in price (£50 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a one-way flight from Rome Fiumicino to Trieste Ronchi dei Legionari.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Leonardo da Vinci/Fiumicino to Trieste 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 21 October 2025.
Use the filters below to find and compare flights from Rome Fiumicino Airport to Trieste that are best for you.

Fly from

Leonardo da Vinci/Fiumicino

Fly to

Trieste

Route

Depart

Return

Price

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Wed 3/12

21:45-14:00

2 stops16h 15m

Trieste Ronchi dei Legionari

Wed 10/12

19:15-20:25

Nonstop1h 10m

£104

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Wed 3/12

17:20-18:30

Nonstop1h 10m

Trieste Ronchi dei Legionari

Wed 10/12

19:15-20:25

Nonstop1h 10m

£119

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Sun 4/1

17:20-18:30

Nonstop1h 10m

£116

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Sat 3/1

09:15-10:25

Nonstop1h 10m

£164

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Best time to book a flight from Leonardo da Vinci/Fiumicino to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Leonardo da Vinci/Fiumicino 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 Rome Fiumicino Airport to Trieste

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

Currently, February is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Trieste (average of £55). Flying from Rome Fiumicino Airport to Trieste in September is currently the most expensive (average of £104). 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 FCO to TRS?

Find hourly flight availability from Leonardo da Vinci/Fiumicino to Trieste. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 October 2025.

It’s typically best to fly out from Rome Fiumicino Airport to Trieste in the afternoon. Doing so could potentially save you 57% on the flight price compared to flying in the morning, which is usually more expensive.

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

Related info for your journey

Find useful and relevant information for your journey from Leonardo da Vinci/Fiumicino to Trieste. 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 into for flights to Trieste from Rome Fiumicino?

    For a flight from Rome Fiumicino to Trieste, you will be flying into Ronchi dei Legionari. Trieste Ronchi dei Legionari (TRS) is just 18.2 mi from the center of the city. Ronchi dei Legionari is the only Trieste airport and it handles 32 inbound flights from Rome Fiumicino per day. 0 airlines have flights to Trieste Ronchi dei Legionari from Rome Fiumicino on a regular basis.

  • How long is the flight from Rome Fiumicino Airport to Trieste?

    Airlines like ITA Airways fly from Rome Fiumicino Airport to Trieste in about 1h 10m. The time it takes to get you to your destination is usually consistent. There are 285 mi between Rome Fiumicino Airport and Trieste. Generally, flights for this route are direct.

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

    Before booking your flight to Trieste from Rome Fiumicino Airport, check out the most reliable airlines to get you to your destination on time: United Airlines (77%), Korean Air (60%), Austrian Airlines( 52%).

  • What are the cheapest flights from Rome Fiumicino Airport to Trieste?

    The cheapest flight price from Rome Fiumicino Airport to Trieste is £46. On average you can expect to pay £46. The most popular route, (Rome Fiumicino - Trieste Ronchi dei Legionari), can usually be booked for £244.

  • Can I find deals for flights from Leonardo da Vinci/Fiumicino to Trieste that include hotel bookings?

    Yes. In addition to deals on Leonardo da Vinci/Fiumicino to Trieste flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Leonardo da Vinci/Fiumicino to Trieste?

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

  • Can I find deals for business class flights from Leonardo da Vinci/Fiumicino to Trieste?

    Yes. Cheapflights offers flight deals from Leonardo da Vinci/Fiumicino to Trieste 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 Rome Fiumicino Airport to Trieste?

    Currently, February is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Trieste (average of £55). Flying from Rome Fiumicino Airport to Trieste in September is currently the most expensive (average of £104). 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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Udine

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Alternative routes for Leonardo da Vinci/Fiumicino to Trieste

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Fly with Cheapflights

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How does Cheapflights help users find flights from Leonardo da Vinci/Fiumicino to Trieste?

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Why should you use Cheapflights to find cheap flight tickets from Leonardo da Vinci/Fiumicino to Trieste?

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Can Cheapflights find flights from Leonardo da Vinci/Fiumicino to Trieste with no change fees?

Certainly. Search results for flights to Trieste from Leonardo da Vinci/Fiumicino shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Leonardo da Vinci/Fiumicino to Trieste become cheaper?

Yes! Start tracking prices for Leonardo da Vinci/Fiumicino to Trieste flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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