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Cheap flights from Dublin to Trieste

Compare Dublin to Trieste flight deals

Find the cheapest month or even day of the year to fly to Trieste

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Flight deals from Dublin to Trieste

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Trieste Airport? If you want to travel next month, return fares start from P7,589. Find the lowest prices on one-way and return tickets right here.
Trieste.P1,967 per passenger.Departing Sun, 27 Sep.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Sun, 27 Sep, arriving in Trieste.Price includes taxes and charges.From P1,967, select.
Trieste.P2,389 per passenger.Departing Mon, 7 Dec.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 7 Dec, arriving in Trieste.Price includes taxes and charges.From P2,389, select.
Trieste.P2,389 per passenger.Departing Mon, 16 Nov.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 16 Nov, arriving in Trieste.Price includes taxes and charges.From P2,389, select.
Trieste.P2,881 per passenger.Departing Wed, 7 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Wed, 7 Oct, arriving in Trieste.Price includes taxes and charges.From P2,881, select.
Trieste.P3,372 per passenger.Departing Mon, 1 Mar.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 1 Mar, arriving in Trieste.Price includes taxes and charges.From P3,372, select.
Trieste.P3,372 per passenger.Departing Mon, 11 Jan.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 11 Jan, arriving in Trieste.Price includes taxes and charges.From P3,372, select.
Trieste.P3,372 per passenger.Departing Fri, 30 Oct.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Fri, 30 Oct, arriving in Trieste.Price includes taxes and charges.From P3,372, select.
Trieste.P3,372 per passenger.Departing Mon, 1 Feb.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 1 Feb, arriving in Trieste.Price includes taxes and charges.From P3,372, select.
Trieste.P3,443 per passenger.Departing Sun, 16 Aug.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Sun, 16 Aug, arriving in Trieste.Price includes taxes and charges.From P3,443, select.
Trieste.P6,214 per passenger.Departing Wed, 29 Jul.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Wed, 29 Jul, arriving in Trieste.Price includes taxes and charges.From P6,214, select.
Trieste.P7,713 per passenger.Departing Sun, 26 Jul.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Sun, 26 Jul, arriving in Trieste.Price includes taxes and charges.From P7,713, select.
Trieste.P10,119 per passenger.Departing Sun, 11 Apr.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Dublin on Sun, 11 Apr, arriving in Trieste.Price includes taxes and charges.From P10,119, select.
Trieste.P10,336 per passenger.Departing Tue, 11 May.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Dublin on Tue, 11 May, arriving in Trieste.Price includes taxes and charges.From P10,336, select.
Trieste.P10,345 per passenger.Departing Tue, 1 Jun.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Dublin on Tue, 1 Jun, arriving in Trieste.Price includes taxes and charges.From P10,345, select.
Trieste.P16,037 per passenger.Departing Sat, 10 Jul.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Dublin on Sat, 10 Jul, arriving in Trieste.Price includes taxes and charges.From P16,037, select.

Find the cheapest month to fly from Dublin to Trieste

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Trieste flights are currently cheapest in September.
Jul
from P6,214
Aug
from P3,443
Sep
from P1,967
Oct
from P2,881
Nov
from P2,389
Dec
from P2,389
Jan
from P3,372
Feb
from P3,372
Mar
from P3,372
Apr
from P10,119
May
from P10,336
Jun
from P10,345

Direct flights from Dublin to Trieste

Dublin to Trieste: Alternative routes

Compare routes from Dublin to Trieste below. You may find an airport to fly into that's cheaper, faster, or easier than Trieste.

Trieste

31km from central Trieste
ClosestCheapest
from P1,967
Search flights

Ljubljana

83km from central Trieste
from P4,269
Search flights

Dublin to Trieste: Flight information

The things to know before you go.
Cheapest flight foundP1,967
Cheapest month to flySeptember
Average flight time2 hrs, 40 mins
Most popular airlineRyanair
Average flights per week3

Finding cheap flights from Dublin to Trieste: Frequently asked questions

The best price we found for a return flight from Dublin to Trieste is P4,778. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 40 minutes is the average flight time from Dublin to Trieste.
Ryanair and Malta Air fly direct from Dublin to Trieste.
As of July 2026, there are 3 flights per week flying from Dublin to Trieste.
The cheapest month to fly from Dublin to Trieste is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Trieste Airport on Monday, 16 November 2026.
Yes – the average flight time is 2 hours and 40 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Trieste but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Trieste is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Ryanair offers the cheapest flight tickets to Trieste.

Flying from Dublin Airport (DUB) to Trieste Airport (TRS): what you need to know

  • The average duration of a direct flight from Dublin Airport to Trieste Airport is 2 hours 40 minutes.

  • Trieste is one hour ahead of Dublin and is in the UTC+1 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your DUB to TRS flight.

  • Travelling during a peak time such as July? Public holidays and other high seasons can mean longer queues and delays at security. Be extra cautious and get there up to four hours before international flights and two hours before a domestic departure.

  • Ryanair is your gateway to discovering Trieste (and maybe even some other exciting corners of Italy!). Check out the direct flights from Dublin Airport to Trieste Airport offered by this airline.

  • The airline that serves the most passengers on this route is Ryanair.

  • The most punctual carrier that offers DUB to TRS flights is Ryanair. Its services land without delay 66.67% of the time.

  • Think about adding a stopover when booking your ticket from Dublin Airport to Trieste Airport. Just uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Here's where you can stop between DUB and TRS:

    • Barcelona Airport

    • Rome Fiumicino Airport

    • London Stansted Airport

Handy information about Dublin Airport (DUB)

  • When it comes to Dublin Airport's on-time performance, 77% of flights complete their journey on time.

  • Dublin Airport is around 11 kilometers from central Dublin. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

  • The trip when using public transport usually takes 30 minutes.

  • Searching for a handy hotel near DUB? If you're catching an early flight from Dublin Airport to Trieste Airport, these stays will have you moments from your departure gate:

Arriving at Trieste Airport (TRS)

  • Consider staying in a hotel near TRS if you have a late Dublin Airport to Trieste Airport flight. Pick one of these options and make your arrival easier:

  • Explore without limits with a Trieste Airport rental car. Pick up a set of wheels from Sicily by Car, Drivalia or Maggiore and see more of Trieste and beyond.

  • Lock in the best rate by booking your vehicle from Trieste Airport around three weeks ahead of your trip.

When to fly to Trieste Airport (TRS)

  • The quietest month for a flight from Dublin Airport to Trieste Airport is March, while July is the most popular. Pick the best time to go to Trieste based on whether you prefer a more fast-paced or easygoing experience.

  • Lock in your flight from Dublin Airport to Trieste Airport for August if you'd like to explore Trieste during its warmest month. Expect temperatures of between 17ºC (63ºF) and 31ºC (88ºF).

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from DUB to TRS sometime then if you want to travel in cooler conditions.

Explore more of Italy

  • Rome is just one of the many places in Italy waiting to be discovered once you've seen the sights of Trieste. Around 434 kilometers away to the south, popular attractions include Vatican Museums, St. Peter's Basilica and Saint Peter's Square.

  • If you're looking to explore another great destination in Italy, consider Milan, roughly 354 kilometers west of Trieste. Leonardo's Last Supper Museum, Teatro alla Scala and Milan Cathedral are the start of reasons to visit.

More travel options

Plan the rest of your trip from Dublin to Trieste

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.