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Cheap flights from Ireland to Trieste from €18

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 27/9. 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 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Ryanair Logo
19:30 - 10:05TRS  Trieste Ronchi dei Legionari-DUB Dublin
15h 35m1 stop Charleroi Brussels
€76Ryanair
Sun, 27 Sep - Tue, 6 Oct
Ryanair Logo
11:45 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Ryanair Logo
19:05 - 10:20TRS  Trieste Ronchi dei Legionari-DUB Dublin
16h 15m1 stop London Stansted
€81Ryanair
Sun, 27 Sep - Sat, 3 Oct
Ryanair Logo
11:45 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Ryanair Logo
15:35 - 23:20TRS  Trieste Ronchi dei Legionari-DUB Dublin
8h 45m1 stop London Stansted
€83Ryanair
Sun, 27 Sep - Wed, 30 Sep
Ryanair Logo
11:45 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Ryanair Logo
15:15 - 01:00TRS  Trieste Ronchi dei Legionari-DUB Dublin
10h 45m2 stops Tirana Rinas Milan Malpensa
€83Ryanair
Sun, 27 Sep - Wed, 30 Sep
Ryanair Logo
11:45 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Ryanair Logo
15:35 - 21:20TRS  Trieste Ronchi dei Legionari-DUB Dublin
6h 45m1 stop London Stansted
€84Ryanair
Sun, 27 Sep - Wed, 7 Oct
Ryanair Logo
11:45 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Ryanair Logo
19:10 - 23:20TRS  Trieste Ronchi dei Legionari-DUB Dublin
5h 10m1 stop London Stansted
€86Ryanair
Sun, 20 Sep - Thu, 24 Sep
Ryanair Logo
11:45 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Ryanair Logo
15:35 - 23:20TRS  Trieste Ronchi dei Legionari-DUB Dublin
8h 45m1 stop London Stansted
€87Ryanair
Sun, 27 Sep - Wed, 30 Sep
Ryanair Logo
11:45 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Ryanair Logo
15:15 - 01:00TRS  Trieste Ronchi dei Legionari-DUB Dublin
10h 45m2 stops Tirana Rinas Milan Malpensa
€87Ryanair
Sun, 27 Sep - Wed, 30 Sep
Multiple Airlines Logo
11:45 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Multiple Airlines Logo
14:50 - 01:00TRS  Trieste Ronchi dei Legionari-DUB Dublin
11h 10m2 stops Krakow J. Paul II Balice Milan Malpensa
€92Multiple Airlines
Sun, 27 Sep - Wed, 30 Sep
Multiple Airlines Logo
11:45 - 15:25DUB  Dublin-TRS Trieste Ronchi dei Legionari
2h 40mdirect
Multiple Airlines Logo
06:45 - 01:00TRS  Trieste Ronchi dei Legionari-DUB Dublin
19h 15m2 stops Palermo Punta Raisi Milan Malpensa
€94Multiple Airlines
Sun, 27 Sep - Wed, 30 Sep

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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
6 Oct
TRS19:30Trieste Ronchi dei Legionari
15h 35m
1 stop
DUB10:05Dublin
€76
Ryanair
27 Sept
DUB11:45Dublin
2h 40m
TRS15:25Trieste Ronchi dei Legionari
3 Oct
TRS19:05Trieste Ronchi dei Legionari
16h 15m
1 stop
DUB10:20Dublin
€81
Ryanair
27 Sept
DUB11:45Dublin
2h 40m
TRS15:25Trieste Ronchi dei Legionari
30 Sept
TRS15:35Trieste Ronchi dei Legionari
8h 45m
1 stop
DUB23:20Dublin
€83

KLM flights from Ireland to Trieste

Our best KLM deals on Ireland to Trieste flight tickets
KLM
19 Aug
DUB05:55Dublin
16h 00m
2 stops
TRS22:55Trieste Ronchi dei Legionari
23 Aug
TRS06:35Trieste Ronchi dei Legionari
26h 45m
2 stops
DUB08:20Dublin
€419
KLM
9 Aug
DUB08:55Dublin
13h 00m
2 stops
TRS22:55Trieste Ronchi dei Legionari
14 Aug
TRS06:35Trieste Ronchi dei Legionari
26h 45m
2 stops
DUB08:20Dublin
€517
KLM
10 Aug
DUB17:20Dublin
24h 10m
2 stops
TRS18:30Trieste Ronchi dei Legionari
14 Aug
TRS06:35Trieste Ronchi dei Legionari
26h 45m
2 stops
DUB08:20Dublin
€539

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 7 August 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

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Tue 6/10

19:30-10:05

1 stop15h 35m

€76

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sat 3/10

19:05-10:20

1 stop16h 15m

€81

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Wed 30/9

15:35-23:20

1 stop8h 45m

€83

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Wed 30/9

15:15-01:00

2 stops10h 45m

€83

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Wed 7/10

15:35-21:20

1 stop6h 45m

€84
Fastest return journey

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 20/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Thu 24/9

19:10-23:20

1 stop5h 10m

€86

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Wed 30/9

15:35-23:20

1 stop8h 45m

€87

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Wed 30/9

15:15-01:00

2 stops10h 45m

€87

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Wed 30/9

14:50-01:00

2 stops11h 10m

€92

DublinTrieste

DUB Dublin - TRS Trieste Ronchi dei Legionari

DUBTRS

Dublin

Sun 27/9

11:45-15:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Wed 30/9

06:45-01:00

2 stops19h 15m

€94

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 €56.

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 €61. 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 €131.

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 €61. Try not to purchase tickets in the morning because they tend to be around €131. 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, Tue, 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, Tuesday, 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 €46Free CancellationRating
6.9
5,460 reviews
Search Ryanair flights

Travelling to a place near Trieste?

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

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
Ryanair
Aer Lingus