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Cheap flights from Rome Fiumicino Airport to Trieste from £99

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — TRS
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

£115

One-way from

£99

Popular in

September

Cheapest in

May

Average price

£254

Good round-trip deal

£308 or less
ITA Airways
  • ITA Airways
  • 30/10-6/11
  • 2 total stops
  • 21h 35m total
  • Rome to Trieste
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ITA Airways
  • ITA Airways
  • 14/10
  • Nonstop
  • 1h 10m total
  • Rome to Trieste
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Highest demand for flights based on searches. 30% potential increase in price (£48 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Rome Fiumicino to Trieste Ronchi dei Legionari.
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Find flight deals from Leonardo da Vinci/Fiumicino to Trieste

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 16 September 2025.

Thu 30/1021:45FCO - TRS
2 stops20h 25mMultiple Airlines
Thu 6/1111:15TRS - FCO
Nonstop1h 10mMultiple Airlines
Deal found 15/9£115
Thu 30/1009:15FCO - TRS
Nonstop1h 10mITA Airways
Thu 6/1111:15TRS - FCO
Nonstop1h 10mITA Airways
Deal found 15/9£156
Fri 17/1013:20FCO - TRS
Nonstop1h 10mITA Airways
Fri 24/1015:15TRS - FCO
Nonstop1h 10mITA Airways
Deal found 14/9£185
Sat 27/921:45FCO - TRS
Nonstop1h 10mITA Airways
Sat 4/1006:35TRS - FCO
Nonstop1h 10mITA Airways
Deal found 15/9£199
Sun 28/921:45FCO - TRS
Nonstop1h 10mITA Airways
Sun 5/1015:15TRS - FCO
Nonstop1h 10mITA Airways
Deal found 15/9£297

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 16 September 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

Thu 30/10

21:45-18:10

2 stops20h 25m

Trieste Ronchi dei Legionari

Thu 6/11

11:15-12:25

Nonstop1h 10m

£115

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Thu 30/10

09:15-10:25

Nonstop1h 10m

Trieste Ronchi dei Legionari

Thu 6/11

11:15-12:25

Nonstop1h 10m

£156

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Fri 17/10

13:20-14:30

Nonstop1h 10m

Trieste Ronchi dei Legionari

Fri 24/10

15:15-16:25

Nonstop1h 10m

£185

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Sat 27/9

21:45-22:55

Nonstop1h 10m

Trieste Ronchi dei Legionari

Sat 4/10

06:35-07:45

Nonstop1h 10m

£199

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Sun 28/9

21:45-22:55

Nonstop1h 10m

Trieste Ronchi dei Legionari

Sun 5/10

15:15-16:25

Nonstop1h 10m

£297

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Tue 14/10

17:20-18:30

Nonstop1h 10m

£99

RomeTrieste

FCO - TRS

FCOTRS

Rome Fiumicino

Sun 21/9

17:20-18:30

Nonstop1h 10m

£241

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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 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 16 September 2025.

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

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 44 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: Korean Air (52%), Austrian Airlines (50%), China Airlines( 47%).

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

    The cheapest flight price from Rome Fiumicino Airport to Trieste is £308. On average you can expect to pay £334. The most popular route, (Rome Fiumicino - Trieste Ronchi dei Legionari), can usually be booked for £241.

  • 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.

See more FAQs

Travelling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine

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Alternative routes for Leonardo da Vinci/Fiumicino to Trieste

See prices for flight routes from nearby airports that may be better suited for you.
Leonardo da Vinci/Fiumicino to Vicenza flights

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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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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