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Cheap flights from Ireland to Trieste from €22

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 11/1. 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
0 bags
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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
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€43Ryanair
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Ryanair Logo
19:35 - 07:50DUB-TRS
11h 15m1 stop
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€74Ryanair
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Ryanair Logo
19:35 - 07:50DUB-TRS
11h 15m1 stop
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€75Ryanair
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Ryanair Logo
19:35 - 07:50DUB-TRS
11h 15m1 stop
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€76Ryanair
Find Deal
Fri, 12 Dec - Sun, 14 Dec
Ryanair Logo
06:35 - 19:05DUB-TRS
11h 30m2 stops
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€105Ryanair
Find Deal
Fri, 12 Dec - Sun, 14 Dec
Ryanair Logo
19:35 - 07:50DUB-TRS
11h 15m1 stop
Ryanair Logo
22:35 - 07:50TRS-DUB
10h 15m1 stop
€112Ryanair
Find Deal
Fri, 20 Feb - Fri, 27 Feb
Ryanair Logo
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
20:30 - 22:10TRS-DUB
2h 40mdirect
€114Ryanair
Find Deal
Fri, 20 Feb - Fri, 27 Feb
Ryanair Logo
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
17:25 - 23:05TRS-DUB
6h 40m1 stop
€114Ryanair
Find Deal
Fri, 2 Jan - Wed, 7 Jan
Ryanair Logo
17:25 - 07:50DUB-TRS
13h 25m1 stop
Ryanair Logo
20:30 - 22:10TRS-DUB
2h 40mdirect
€118Ryanair
Find Deal
Fri, 20 Feb - Fri, 27 Feb
Ryanair Logo
17:25 - 07:50DUB-TRS
13h 25m1 stop
Ryanair Logo
19:45 - 16:25TRS-DUB
21h 40m2 stops
€122Ryanair
Find Deal
Fri, 5 Dec - Sun, 7 Dec

Ryanair flights from Ireland to Trieste

Our best Ryanair deals on Ireland to Trieste flight tickets
Ryanair
5 Dec
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
7 Dec
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€43
Find similar
Ryanair
5 Dec
DUB19:35Dublin
11h 15m
1 stop
TRS07:50Trieste Ronchi dei Legionari
7 Dec
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€74
Find similar
Ryanair
5 Dec
DUB19:35Dublin
11h 15m
1 stop
TRS07:50Trieste Ronchi dei Legionari
7 Dec
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€75
Find similar

Lufthansa flights from Ireland to Trieste

Our best Lufthansa deals on Ireland to Trieste flight tickets
Lufthansa
9 May
DUB08:45Dublin
12h 10m
1 stop
TRS21:55Trieste Ronchi dei Legionari
16 May
TRS06:20Trieste Ronchi dei Legionari
11h 35m
1 stop
DUB16:55Dublin
€163
Find similar
Lufthansa
11 Dec
DUB05:00Dublin
8h 05m
1 stop
TRS14:05Trieste Ronchi dei Legionari
14 Dec
TRS15:00Trieste Ronchi dei Legionari
26h 25m
1 stop
DUB16:25Dublin
€171
Find similar
Lufthansa
11 Dec
DUB09:20Dublin
12h 20m
1 stop
TRS22:40Trieste Ronchi dei Legionari
14 Dec
TRS15:00Trieste Ronchi dei Legionari
20h 05m
2 stops
DUB10:05Dublin
€180
Find similar

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 16 November 2025.
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

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 5/12

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 7/12

21:05-22:45

Nonstop2h 40m

€43

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 5/12

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 7/12

21:05-22:45

Nonstop2h 40m

€74

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 5/12

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 7/12

21:05-22:45

Nonstop2h 40m

€75

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 12/12

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 14/12

21:05-22:45

Nonstop2h 40m

€76

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 12/12

06:35-19:05

2 stops11h 30m

Trieste Ronchi dei Legionari

Sun 14/12

21:05-22:45

Nonstop2h 40m

€105

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 20/2

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Fri 27/2

22:35-07:50

1 stop10h 15m

€112

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 20/2

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Fri 27/2

20:30-22:10

Nonstop2h 40m

€114

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 2/1

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Wed 7/1

17:25-23:05

1 stop6h 40m

€114

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 20/2

17:25-07:50

1 stop13h 25m

Trieste Ronchi dei Legionari

Fri 27/2

20:30-22:10

Nonstop2h 40m

€118

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 5/12

17:25-07:50

1 stop13h 25m

Trieste Ronchi dei Legionari

Sun 7/12

19:45-16:25

2 stops21h 40m

€122

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 day to depart on your flight to Trieste?

The cheapest day to depart on your flight to Trieste is on a Tuesday when prices can be found for as low as €275. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday 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 €356.

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, Thu 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, Thursday and Saturday. There are no airlines offering direct flights..
There is 1 airport near Trieste: Trieste Ronchi dei Legionari (TRS)
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  • 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 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?

Travelling to a place near Trieste?

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

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