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Cheap flights from Rome Fiumicino Airport to Trieste from £65

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — TRS
4 Sep — 11 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Leonardo da Vinci/Fiumicino to Trieste

Enter your travel dates to find the best prices.

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 5 August 2026.

Tue 29/917:20 -
Nonstop1h 10m
Wed 30/919:15 -
Nonstop1h 10m
Deal found 4/8£89
Tue 8/909:15 -
Nonstop1h 10m
Thu 10/911:15 -
Nonstop1h 10m
Deal found 5/8£125
Sun 16/821:45 -
Nonstop1h 10m
Sat 22/806:35 -
Nonstop1h 10m
Deal found 4/8£150
Wed 9/917:20 -
Nonstop1h 10m
Fri 11/906:35 -
Nonstop1h 10m
Deal found 1/8£155
Sun 16/821:45 -
Nonstop1h 10m
Mon 24/806:35 -
Nonstop1h 10m
Deal found 4/8£161
Tue 18/817:20 -
Nonstop1h 10m
Sat 22/806:35 -
Nonstop1h 10m
Deal found 4/8£163
Tue 18/817:20 -
Nonstop1h 10m
Wed 26/806:35 -
Nonstop1h 10m
Deal found 4/8£175
Sat 12/909:15 -
Nonstop1h 10m
Mon 14/919:15 -
Nonstop1h 10m
Deal found 1/8£178
Thu 20/817:20 -
Nonstop1h 10m
Sat 22/806:35 -
Nonstop1h 10m
Deal found 4/8£180
Wed 19/817:20 -
Nonstop1h 10m
Tue 25/806:35 -
Nonstop1h 10m
Deal found 4/8£189
Thu 20/817:20 -
Nonstop1h 10m
Mon 24/806:35 -
Nonstop1h 10m
Deal found 4/8£192

Find 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 5 August 2026.

Round-trip from

£89

One-way from

£65

Popular in

January

Cheapest in

October

Average price

£204
ITA Airways
  • ITA Airways
  • 29/9-30/9
  • Nonstop
  • 2h 20m total
  • Rome to Trieste
Search Deals
Ryanair
  • Ryanair
  • 31/8
  • 2 total stops
  • 23h 50m total
  • Rome to Trieste
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£16 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 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 5 August 2026.
Use the filters below to find and compare flights from Rome Fiumicino Airport to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Tue 29/9

17:20-18:30

Nonstop1h 10m

Trieste Ronchi dei Legionari

Wed 30/9

19:15-20:25

Nonstop1h 10m

£89

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Wed 9/9

09:15-10:25

Nonstop1h 10m

Trieste Ronchi dei Legionari

Fri 11/9

06:35-07:45

Nonstop1h 10m

£125

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Tue 8/9

09:15-10:25

Nonstop1h 10m

Trieste Ronchi dei Legionari

Thu 10/9

11:15-12:25

Nonstop1h 10m

£125

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Sun 16/8

21:45-22:55

Nonstop1h 10m

Trieste Ronchi dei Legionari

Mon 24/8

06:35-07:45

Nonstop1h 10m

£161

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Sat 26/9

09:15-10:25

Nonstop1h 10m

Trieste Ronchi dei Legionari

Mon 28/9

19:15-20:25

Nonstop1h 10m

£178
Cheapest one-way

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Mon 31/8

23:30-23:20

2 stops23h 50m

£65
Fastest single journey

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Tue 1/9

09:15-10:25

Nonstop1h 10m

£77

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Tue 11/8

17:20-18:30

Nonstop1h 10m

£77

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Wed 12/8

09:15-10:25

Nonstop1h 10m

£89

RomeTrieste

FCO Rome Fiumicino - TRS Trieste Ronchi dei Legionari

FCOTRS

Rome Fiumicino

Wed 19/8

17:20-18:30

Nonstop1h 10m

£102

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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, October is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Trieste (average of £83). Flying from Rome Fiumicino Airport to Trieste in January is currently the most expensive (average of £416). 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 5 August 2026.

It’s typically best to fly out from Rome Fiumicino Airport to Trieste in the afternoon. Doing so could potentially save you 74% on the flight price compared to flying in the evening, which is usually more expensive.

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

Airfare is below average for this route at the moment.

Rome Fiumicino Airport to Trieste flights typically cost between £153 and £337 in September.
The cheapest return price found within the last 5 days was £89 on ITA Airways (29 Sept–30 Sept).

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 16 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 (70%), KM Malta Airlines (67%), Bulgaria Air( 59%).

  • 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, October is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Trieste (average of £83). Flying from Rome Fiumicino Airport to Trieste in January is currently the most expensive (average of £416). 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 Trieste?

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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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Leonardo da Vinci/Fiumicino to Trieste. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Leonardo da Vinci/Fiumicino to Trieste for you. Better yet — we are completely free to use.

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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