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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 20/2. 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 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€45Ryanair
Fri, 6 Feb - Sun, 8 Feb
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€47Ryanair
Fri, 6 Feb - Sun, 8 Feb
Ryanair Logo
19:35 - 07:50
DUB
-
TRS
11h 15m
1 stop
Ryanair Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€80Ryanair
Fri, 6 Feb - Sun, 8 Feb
Ryanair Logo
19:35 - 07:50
DUB
-
TRS
11h 15m
1 stop
Ryanair Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€85Ryanair
Fri, 6 Feb - Sun, 8 Feb
Ryanair Logo
16:30 - 07:50
DUB
-
TRS
14h 20m
2 stops
Ryanair Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€104Ryanair
Fri, 6 Feb - Sun, 8 Feb
Multiple Airlines Logo
22:00 - 12:10
DUB
-
TRS
13h 10m
2 stops
Multiple Airlines Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€106Multiple Airlines
Fri, 6 Feb - Sun, 8 Feb
Ryanair Logo
17:00 - 20:40
DUB
-
TRS
2h 40mdirect
Ryanair Logo
19:10 - 08:35
TRS
-
DUB
14h 25m
2 stops
€117Ryanair
Sun, 15 Feb - Sun, 22 Feb
Multiple Airlines Logo
17:45 - 10:40
DUB
-
TRS
15h 55m
1 stop
Multiple Airlines Logo
19:20 - 18:35
TRS
-
DUB
24h 15m
2 stops
€128Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Ryanair Logo
19:35 - 07:50
DUB
-
TRS
11h 15m
1 stop
Ryanair Logo
06:10 - 22:55
TRS
-
DUB
17h 45m
2 stops
€130Ryanair
Fri, 6 Feb - Sun, 8 Feb
Ryanair Logo
06:15 - 08:50
DUB
-
TRS
25h 35m
2 stops
Ryanair Logo
08:00 - 20:00
TRS
-
DUB
13h 00m
1 stop
€142Ryanair
Thu, 5 Mar - Thu, 12 Mar

Ryanair flights from Ireland to Trieste

Our best Ryanair deals on Ireland to Trieste flight tickets
Ryanair
6 Feb
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
8 Feb
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€45
Ryanair
6 Feb
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
8 Feb
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€47
Ryanair
6 Feb
DUB19:35Dublin
11h 15m
1 stop
TRS07:50Trieste Ronchi dei Legionari
8 Feb
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€80

Lufthansa flights from Ireland to Trieste

Our best Lufthansa deals on Ireland to Trieste flight tickets
Lufthansa
4 Mar
DUB11:45Dublin
9h 55m
1 stop
TRS22:40Trieste Ronchi dei Legionari
11 Mar
TRS14:40Trieste Ronchi dei Legionari
9h 05m
1 stop
DUB22:45Dublin
€150
Lufthansa
4 Mar
DUB11:45Dublin
9h 55m
1 stop
TRS22:40Trieste Ronchi dei Legionari
11 Mar
TRS14:40Trieste Ronchi dei Legionari
9h 05m
1 stop
DUB22:45Dublin
€150
Lufthansa
6 Jun
DUB05:55Dublin
15h 00m
1 stop
TRS21:55Trieste Ronchi dei Legionari
16 Jun
TRS14:45Trieste Ronchi dei Legionari
8h 30m
1 stop
DUB22:15Dublin
€168

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 20 January 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

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/2

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 8/2

21:05-22:45

Nonstop2h 40m

€45

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/2

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 8/2

21:05-22:45

Nonstop2h 40m

€47

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/2

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 8/2

21:05-22:45

Nonstop2h 40m

€80

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/2

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 8/2

21:05-22:45

Nonstop2h 40m

€85

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/2

16:30-07:50

2 stops14h 20m

Trieste Ronchi dei Legionari

Sun 8/2

21:05-22:45

Nonstop2h 40m

€104

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/2

22:00-12:10

2 stops13h 10m

Trieste Ronchi dei Legionari

Sun 8/2

21:05-22:45

Nonstop2h 40m

€106

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sun 15/2

17:00-20:40

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 22/2

19:10-08:35

2 stops14h 25m

€117

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Wed 4/3

17:45-10:40

1 stop15h 55m

Trieste Ronchi dei Legionari

Wed 11/3

19:20-18:35

2 stops24h 15m

€128

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/2

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 8/2

06:10-22:55

2 stops17h 45m

€130

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Thu 5/3

06:15-08:50

2 stops25h 35m

Trieste Ronchi dei Legionari

Thu 12/3

08:00-20:00

1 stop13h 00m

€142

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 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 €63.

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 Ronchi dei Legionari flights?

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

Cheap Ireland to Trieste flight deals and tips

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

Best price found

€46

Fastest flight time

2h 40m

Direct flights

Mon, Fri and Sat

Airports in Trieste

1 airport
The best flight deal from Ireland to Trieste found on momondo in the last 72 hours is €46
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

  • 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
Ryanair
Lufthansa
KLM