FCO - TRS

$56 Find Cheap Flights from Rome to Trieste - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$104
Typical prices: $141-$269
Ryanair
Wed 11/28Wed 12/5
FCO - TRS • 1 stop
Cheapest non-stop
$110
Typical prices: $140-$274
ITA Airways
Mon 12/24Thu 12/27
FCO - TRS • Non-stop
Nonstop 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 travelers 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
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We hope you love 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 round-trip flight deals from Rome to Trieste

Sat, Nov 28 - Sat, Dec 5
Multiple Airlines Logo
8:30 am - 3:20 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
6h 50m1 stop Catania Fontanarossa
Multiple Airlines Logo
9:50 pm - 8:00 amTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
10h 10m1 stop Tirana Rinas
$104Multiple Airlines
Thu, Dec 24 - Sun, Dec 27
ITA Airways Logo
5:20 pm - 6:30 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mnonstop
ITA Airways Logo
3:15 pm - 4:25 pmTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mnonstop
$110ITA Airways
Fri, Nov 27 - Sun, Nov 29
Ryanair Logo
10:50 am - 4:40 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
5h 50m1 stop Luqa Malta Intl
Ryanair Logo
5:30 pm - 7:50 amTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
14h 20m1 stop Luqa Malta Intl
$110Ryanair
Fri, Jan 1 - Sun, Jan 3
ITA Airways Logo
5:20 pm - 6:30 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mnonstop
ITA Airways Logo
3:15 pm - 4:25 pmTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mnonstop
$111ITA Airways
Sun, Nov 29 - Sun, Dec 6
Multiple Airlines Logo
6:10 am - 2:05 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
7h 55m1 stop Lamezia Terme Intl
Multiple Airlines Logo
6:25 pm - 8:40 amTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
14h 15m1 stop Bari Palese
$115Multiple Airlines
Thu, Dec 24 - Sun, Dec 27
ITA Airways Logo
5:20 pm - 6:30 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
1h 10mnonstop
ITA Airways Logo
3:15 pm - 4:25 pmTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mnonstop
$119ITA Airways
Sat, Nov 28 - Sat, Dec 5
Ryanair Logo
8:30 am - 3:20 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
6h 50m1 stop Catania Fontanarossa
Ryanair Logo
11:25 am - 7:30 amTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
20h 05m2 stops Catania Fontanarossa Luqa Malta Intl
$121Ryanair
Fri, Nov 27 - Sun, Nov 29
Multiple Airlines Logo
10:50 am - 4:40 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
5h 50m1 stop Luqa Malta Intl
Multiple Airlines Logo
11:15 am - 12:25 pmTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
1h 10mnonstop
$125Multiple Airlines
Sat, Nov 28 - Sat, Dec 5
Multiple Airlines Logo
7:15 am - 7:40 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
12h 25m2 stops Palermo Punta Raisi Barcelona-El Prat
Multiple Airlines Logo
11:25 am - 7:30 amTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
20h 05m2 stops Catania Fontanarossa Luqa Malta Intl
$132Multiple Airlines
Thu, Dec 24 - Sun, Dec 27
Multiple Airlines Logo
5:45 am - 4:25 pmFCO  Rome Fiumicino-TRS Trieste Ronchi dei Legionari
10h 40m1 stop Bari Palese
Multiple Airlines Logo
6:25 pm - 7:45 amTRS  Trieste Ronchi dei Legionari-FCO Rome Fiumicino
13h 20m1 stop Tirana Rinas
$136Multiple Airlines
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.

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’s 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 $161 round-trip.
•January ($250) and April ($243) 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

$56
Beat the crowds with an average 50% drop in travelers.
The most popular month to fly with an average 35% increase in travelers.
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 round-trip 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 9:15 am and lands at 10:25 am
    • Latest: departs at 9:45 pm and lands at 10:55 pm.

    The flight takes about 1h 10m.

  • What 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 nonstop 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 a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

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

    Round-trip flights from Rome Fiumicino Airport to Trieste range from $141 to $269, with an average of $178 over the past 12 months. Anything below $141 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 $178 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 $78–$100 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% of flights 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, round-trip prices on this route showed a wide range, from about $104 to $904. That means the highest observed fare was about 9x 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 lower than usual. Average one-way flight prices are about $65, which is 41% below the typical average for this route.

  • What car rental options are available at Trieste Ronchi dei Legionari Airport (TRS)?

    Trieste Ronchi dei Legionari Airport (TRS) hosts 5 major car rental companies, with daily rates averaging $42 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 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 3 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 $152 round-trip on average, while Friday is the most expensive at $217, a difference of $65.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What 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

    Bag 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 $152, about $65 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 $161 round-trip in that month - typically $89 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