FCO - TRS

£51 Find Cheap Flights from Rome to Trieste – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 34% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
£89
Typical prices: £105-£200
ITA Airways
Mon 24/12Thu 27/12
FCO - TRS • Direct
Cheapest one-way flight
£51
Typical prices: £65-£124
ITA Airways
Sat 17/3
FCO - TRS • Direct
Direct flights
You can fly direct with ITA Airways. Average duration is 1h 10m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 74% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 23 weeks in advance save around 72% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 10% price drop
Most popular
Good to know
+1
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Trieste!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Rome to Trieste (FCO-TRS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Rome to Trieste

Thu, 24 Dec - Sun, 27 Dec
ITA Airways Logo
17:20 - 18:30FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mdirect
ITA Airways Logo
15:15 - 16:25TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mdirect
£89ITA Airways
Tue, 15 Dec - Tue, 22 Dec
Multiple Airlines Logo
08:00 - 20:00FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
12h 00m2 stops Catania Fontanarossa Naples
Multiple Airlines Logo
10:15 - 20:40TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
10h 25m1 stop Tirana Rinas
£107Multiple Airlines
Sun, 29 Nov - Sun, 6 Dec
ITA Airways Logo
13:20 - 14:30FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mdirect
ITA Airways Logo
15:15 - 16:25TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mdirect
£112ITA Airways
Tue, 15 Dec - Tue, 22 Dec
Multiple Airlines Logo
08:00 - 20:00FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
12h 00m2 stops Catania Fontanarossa Naples
Multiple Airlines Logo
06:10 - 01:55TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
19h 45m2 stops Sevilla Marrakech Menara
£122Multiple Airlines
Wed, 9 Dec - Fri, 11 Dec
ITA Airways Logo
09:15 - 10:25FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mdirect
ITA Airways Logo
06:35 - 07:45TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mdirect
£123ITA Airways
Sat, 28 Nov - Mon, 30 Nov
ITA Airways Logo
13:20 - 14:30FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mdirect
ITA Airways Logo
19:15 - 20:25TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mdirect
£124ITA Airways
Tue, 15 Dec - Tue, 22 Dec
Multiple Airlines Logo
08:00 - 20:00FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
12h 00m2 stops Catania Fontanarossa Naples
Multiple Airlines Logo
19:15 - 20:25TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mdirect
£125Multiple Airlines
Tue, 15 Dec - Tue, 22 Dec
Multiple Airlines Logo
17:20 - 18:30FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mdirect
Multiple Airlines Logo
10:15 - 20:40TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
10h 25m1 stop Tirana Rinas
£131Multiple Airlines
Sun, 29 Nov - Sun, 29 Nov
ITA Airways Logo
13:20 - 14:30FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mdirect
ITA Airways Logo
19:15 - 20:25TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mdirect
£135ITA Airways
Tue, 15 Dec - Tue, 22 Dec
ITA Airways Logo
17:20 - 18:30FCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mdirect
ITA Airways Logo
19:15 - 20:25TRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mdirect
£137ITA Airways
Booking Insights

Price, demand, and travel trends for Rome Fiumicino Airport to Trieste flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Rome Fiumicino Airport to Trieste?

Return flights from Rome Fiumicino Airport to Trieste typically range from £105 to £200. The lowest price found in the past 5 days was £89 on ITA Airways.

What's the cheapest day of the week to fly from Rome Fiumicino Airport to Trieste?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Rome Fiumicino Airport to Trieste. It's 15% cheaper than the average day, while Friday is the most expensive, with prices 21% higher.

What is the cheapest month to fly from Rome Fiumicino Airport to Trieste?

•June and July are the cheapest months to fly from Rome Fiumicino Airport to Trieste at £120 return.
•January (£186) and April (£181) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 55% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Rome Fiumicino Airport to Trieste the cheapest?

Flights from Rome Fiumicino Airport to Trieste are cheapest 23 weeks before departure. Booking in this window typically costs about 72% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Rome Fiumicino Airport to Trieste flights

Low season

February

Cheapest flight

£51
Beat the crowds with an average 50% drop in traveller numbers.
The most popular month to fly with an average 35% increase in traveller numbers.
One-way flight from Rome Fiumicino Airport to Trieste

When to book flights from Rome to Trieste

Are your dates flexible? Find out the best times to travel from Rome to Trieste based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Rome Fiumicino Airport to Trieste flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Rome Fiumicino Airport to Trieste?

    These are the earliest and latest flight times available from Rome Fiumicino Airport to Trieste:

    • Earliest: departs at 09:15 and lands at 10:25
    • Latest: departs at 21:45 and lands at 22:55.

    The flight takes about 1h 10m.

  • Which cabin classes can I book on flights from Rome Fiumicino Airport to Trieste?

    Two cabin classes are available on flights from Rome Fiumicino Airport to Trieste:

    • Economy class
    • Business Class

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

    A direct flight from Rome Fiumicino Airport to Trieste takes 1h 10m, covering 285 miles.

  • Do I need a passport to fly from Rome Fiumicino Airport to Trieste?

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

  • How much should I expect to pay for a Rome Fiumicino Airport to Trieste flight?

    Return flights from Rome Fiumicino Airport to Trieste range from £105 to £200, with an average of £133 over the past 12 months. Anything below £105 counts as a good deal.

  • How expensive are last-minute Rome Fiumicino Airport to Trieste flights?

    Last-minute fares on this route (booked within two weeks of departure) run 108% above the £133 route average. Book 23 weeks before departure for the lowest fares.

  • How does on-time performance compare across airlines flying from Rome Fiumicino Airport to Trieste?

    ITA Airways is the only airline operating Rome Fiumicino Airport to Trieste flights. 74% of its flights are on time.

  • What is the standard checked bag allowance on flights from Rome Fiumicino Airport to Trieste?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £58–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Rome Fiumicino Airport to Trieste?

    The Airbus A220 family is used most often on this route, operated mainly by ITA Airways and Ethiopian Air. Other aircraft seen on the route include Airbus A220-100 variants.

  • How are flight departures from Rome Fiumicino Airport to Trieste spread across the day?

    Morning is the busiest departure period on Rome Fiumicino Airport to Trieste flights, with 25% leaving in that window. Afternoon departures account for 25%, Evening flights for 25%, and Night flights for 25%.

  • Have flight prices from Rome Fiumicino Airport to Trieste changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £89 to £682. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Rome Fiumicino Airport to Trieste looking right now?

    One-way fares from Rome Fiumicino Airport to Trieste are currently higher than usual. Average one-way flight prices are about £153, which is 88% above the typical average for this route.

  • Which car hire options are available at Trieste Ronchi dei Legionari Airport (TRS)?

    Trieste Ronchi dei Legionari Airport (TRS) hosts 5 major car hire companies, with daily rates averaging £32 for economy cars. Top options include:

    • DRIVALIA
    • NOLEGGIARE
    • SICILY BY CAR
    • Europcar
    • Budget

  • Which airports can I use when flying from Rome Fiumicino Airport to Trieste?

    Flights from Rome Fiumicino Airport to Trieste usually depart from Rome Fiumicino (FCO) and arrive at Trieste Ronchi dei Legionari (TRS).

  • What time of day has the fewest delays on flights from Rome Fiumicino Airport to Trieste?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed on the route from Rome Fiumicino Airport to Trieste?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Rome Fiumicino Airport to Trieste route, 26% of flights were delayed in the past three months, with delays averaging 1h 28m.

  • Can I save money by using flexible dates for flights from Rome Fiumicino Airport to Trieste?

    Yes. Flexible dates can save you up to 30% on flights from Rome Fiumicino Airport to Trieste. Wednesday is the cheapest departure day at £113 return on average, while Friday is the most expensive at £162, a difference of £48.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Rome Fiumicino Airport to Trieste?

    Only ITA Airways operates flights between Rome Fiumicino Airport and Trieste.

  • Which airlines include bags at no extra cost on Rome Fiumicino Airport to Trieste flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • ITA Airways: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Rome Fiumicino Airport to Trieste flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average £113, about £48 less than Friday fares (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 72% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Rome Fiumicino Airport to Trieste trip for June. Fares historically average £120 return in that month – typically £66 less than the most expensive month, which is January (based on the last 12 months).

Prefer to fly direct from Rome to Trieste?

 
Find which airlines fly direct from Rome Fiumicino Airport to Trieste Ronchi dei Legionari Airport, which days they fly and book direct flights.

Direct departures

Rome Fiumicino to Trieste Ronchi dei Legionari

Monday

ITA Airways

ITA Airways

Tuesday

ITA Airways

ITA Airways

Wednesday

ITA Airways

ITA Airways

Thursday

ITA Airways

ITA Airways

Friday

ITA Airways

ITA Airways

Saturday

ITA Airways

ITA Airways

Sunday

ITA Airways

ITA Airways

See more direct flights

Direct returns

Trieste Ronchi dei Legionari to Rome Fiumicino

Monday

ITA Airways

ITA Airways

Tuesday

ITA Airways

ITA Airways

Wednesday

ITA Airways

ITA Airways

Thursday

ITA Airways

ITA Airways

Friday

ITA Airways

ITA Airways

Saturday

ITA Airways

ITA Airways

Sunday

ITA Airways

ITA Airways

See more direct flights

More options for your flight from Rome to Trieste