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Cheap flights from Ireland to Trieste from €55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Trieste departing on 19/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to Trieste

Recent return flight deals from Ireland to Trieste

Enter your travel dates to find the best prices.
Ryanair Logo
11:45 - 15:25
DUB
-
TRS
2h 40mdirect
Ryanair Logo
14:55 - 22:30
TRS
-
DUB
8h 35m
1 stop
€95Ryanair
Sun, 27 Sep - Tue, 29 Sep
Ryanair Logo
11:30 - 23:50
DUB
-
TRS
11h 20m
1 stop
Ryanair Logo
09:30 - 11:20
TRS
-
DUB
2h 50mdirect
€106Ryanair
Thu, 3 Sep - Sun, 6 Sep
Multiple Airlines Logo
13:55 - 08:55
DUB
-
TRS
18h 00m
2 stops
Multiple Airlines Logo
14:55 - 22:30
TRS
-
DUB
8h 35m
1 stop
€115Multiple Airlines
Sun, 27 Sep - Tue, 29 Sep
Ryanair Logo
21:00 - 09:30
DUB
-
TRS
11h 30m
1 stop
Ryanair Logo
10:45 - 12:35
TRS
-
DUB
2h 50mdirect
€116Ryanair
Sat, 21 Nov - Mon, 30 Nov
Ryanair Logo
07:50 - 23:50
DUB
-
TRS
15h 00m
1 stop
Ryanair Logo
09:30 - 11:20
TRS
-
DUB
2h 50mdirect
€116Ryanair
Thu, 8 Oct - Sun, 11 Oct
Ryanair Logo
07:50 - 23:50
DUB
-
TRS
15h 00m
1 stop
Ryanair Logo
17:00 - 07:30
TRS
-
DUB
15h 30m
1 stop
€125Ryanair
Thu, 3 Sep - Sun, 6 Sep
Ryanair Logo
11:45 - 15:25
DUB
-
TRS
2h 40mdirect
Ryanair Logo
19:30 - 21:10
TRS
-
DUB
26h 40m
2 stops
€126Ryanair
Sun, 27 Sep - Tue, 29 Sep
Ryanair Logo
07:30 - 19:00
DUB
-
TRS
10h 30m
1 stop
Ryanair Logo
19:30 - 14:50
TRS
-
DUB
20h 20m
2 stops
€128Ryanair
Tue, 18 Aug - Tue, 25 Aug
Multiple Airlines Logo
18:00 - 08:55
DUB
-
TRS
13h 55m
2 stops
Multiple Airlines Logo
09:30 - 11:20
TRS
-
DUB
2h 50mdirect
€129Multiple Airlines
Thu, 8 Oct - Sun, 11 Oct
Ryanair Logo
08:30 - 23:50
DUB
-
TRS
14h 20m
1 stop
Ryanair Logo
19:30 - 14:50
TRS
-
DUB
20h 20m
2 stops
€130Ryanair
Thu, 20 Aug - Tue, 25 Aug

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Ryanair flights from Ireland to Trieste

Our best Ryanair deals on Ireland to Trieste flight tickets
Ryanair
27 Sept
DUB11:45Dublin
2h 40m
TRS15:25Trieste Ronchi dei Legionari
29 Sept
TRS14:55Trieste Ronchi dei Legionari
8h 35m
1 stop
DUB22:30Dublin
€95
Ryanair
3 Sept
DUB11:30Dublin
11h 20m
1 stop
TRS23:50Trieste Ronchi dei Legionari
6 Sept
TRS09:30Trieste Ronchi dei Legionari
2h 50m
DUB11:20Dublin
€106
Ryanair
21 Nov
DUB21:00Dublin
11h 30m
1 stop
TRS09:30Trieste Ronchi dei Legionari
30 Nov
TRS10:45Trieste Ronchi dei Legionari
2h 50m
DUB12:35Dublin
€116

Lufthansa flights from Ireland to Trieste

Our best Lufthansa deals on Ireland to Trieste flight tickets
Lufthansa
27 Aug
DUB08:50Dublin
12h 35m
1 stop
TRS22:25Trieste Ronchi dei Legionari
30 Aug
TRS06:10Trieste Ronchi dei Legionari
26h 50m
1 stop
DUB08:00Dublin
€179
Lufthansa
10 Sept
DUB08:50Dublin
12h 35m
1 stop
TRS22:25Trieste Ronchi dei Legionari
17 Sept
TRS06:15Trieste Ronchi dei Legionari
11h 40m
1 stop
DUB16:55Dublin
€184
Lufthansa
23 Jul
DUB10:40Dublin
10h 45m
2 stops
TRS22:25Trieste Ronchi dei Legionari
26 Jul
TRS06:10Trieste Ronchi dei Legionari
11h 45m
2 stops
DUB16:55Dublin
€430

momondo Fare Finder

 
Customise your flight search to find flights from Ireland 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, momondo users made 13,528 searches. Data last updated 21 July 2026.
Use the filters below to find and compare flights from Ireland to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Tue 29/9

14:55-22:30

1 stop8h 35m

€95

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Thu 3/9

11:30-23:50

1 stop11h 20m

Trieste Ronchi dei Legionari

Sun 6/9

09:30-11:20

Nonstop2h 50m

€106

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sun 27/9

13:55-08:55

2 stops18h 00m

Trieste Ronchi dei Legionari

Tue 29/9

14:55-22:30

1 stop8h 35m

€115

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sat 21/11

21:00-09:30

1 stop11h 30m

Trieste Ronchi dei Legionari

Mon 30/11

10:45-12:35

Nonstop2h 50m

€116

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Thu 8/10

07:50-23:50

1 stop15h 00m

Trieste Ronchi dei Legionari

Sun 11/10

09:30-11:20

Nonstop2h 50m

€116

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Thu 3/9

07:50-23:50

1 stop15h 00m

Trieste Ronchi dei Legionari

Sun 6/9

17:00-07:30

1 stop15h 30m

€125

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Tue 29/9

19:30-21:10

2 stops26h 40m

€126

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Tue 18/8

07:30-19:00

1 stop10h 30m

Trieste Ronchi dei Legionari

Tue 25/8

19:30-14:50

2 stops20h 20m

€128

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Thu 8/10

18:00-08:55

2 stops13h 55m

Trieste Ronchi dei Legionari

Sun 11/10

09:30-11:20

Nonstop2h 50m

€129

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Thu 20/8

08:30-23:50

1 stop14h 20m

Trieste Ronchi dei Legionari

Tue 25/8

19:30-14:50

2 stops20h 20m

€130

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Trieste from

How to get the cheapest flight ticket from Ireland to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Trieste?

The month of January is another great option to travel to Trieste, with average flight prices from Ireland averaging around €57.

What is the cheapest day to depart on your flight to Trieste?

The cheapest day to depart on your flight to Trieste is on a Friday when prices can be found for as low as €62. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €132.

What is the cheapest time of day to depart on your flight to Trieste?

Our most recent data shows that the best time of day to fly to Trieste is in the afternoon. Flights from Ireland to Trieste during this time can be as low as €62. Try not to purchase tickets in the morning because they tend to be around €132. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ireland to Trieste Ronchi dei Legionari flight route?

Fly from Dublin to Trieste Ronchi dei Legionari for the best Ireland - Trieste Ronchi dei Legionari flight prices

What cabin class options are available on Ireland to Trieste flights?

There is only 1 cabin class available to choose from on Ireland to Trieste flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to Trieste flights?

No. A direct flight is the cheapest option for a flight between Ireland to Trieste.

Cheap Ireland to Trieste flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Trieste

Fastest flight time

2h 40m

Direct flights

Mon, Fri and Sat

Airports in Trieste

1 airport
The fastest flight from Ireland to Trieste takes 2h 40m
Direct flights go from Ireland to Trieste on Monday, Friday and Saturday. There are no airlines offering direct flights..
There is 1 airport in Trieste. From Ireland there are direct flights to Trieste Ronchi dei Legionari (TRS).
Search flight deals

Frequently asked questions about flying from Ireland to Trieste

  • When did momondo last update prices for flights from Ireland to Trieste Ronchi dei Legionari Airport?

    Prices for flights from Ireland to Trieste Ronchi dei Legionari Airport are updated daily.

  • How many operators does momondo search for flights from Ireland to Trieste Ronchi dei Legionari Airport?

  • How old do you have to be to fly from Ireland to Trieste Ronchi dei Legionari Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Trieste Ronchi dei Legionari Airport.

  • What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

    The necessary travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ireland to Trieste?

Best airlines flying from Ireland to Trieste

Compare and see reviews for airlines that fly from Ireland to Trieste with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom €47Free CancellationRating
6.9
5,440 reviews
Search Ryanair flights

Travelling to a place near Trieste?

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

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Trieste?

Finding the right flight to Trieste from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Trieste quick and easy, saving you time and money.

Can I find flights from Ireland to Trieste with flexible booking policies on momondo?

All flight searches from Ireland to Trieste on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ireland to Trieste?

momondo provides multiple filters to help you find the best flight to Trieste from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ireland to Trieste right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to Trieste flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Trieste trip

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Fly your favourite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Ryanair
Aer Lingus