What is the cheapest airline that flies from Ireland to Trieste Ronchi dei Legionari?

Ryanair, KLM, and Lufthansa are the most popular carriers operating from Ireland to Trieste Ronchi dei Legionari

How many flights depart from Ireland to Trieste on average per week?

As of November 2025, 1 flights take off from Ireland and land in Trieste each week. The most common flight departure day for this route is Sun, with 100% of weekly flights taking off on this day.

Which airlines fly to Trieste?

Aer Lingus, KLM and Lufthansa are the top three most popular airlines that fly to Trieste from Ireland according to our data. Aer Lingus is the first choice among our users, with 68% of people opting to fly with this airline when travelling to Trieste. Keep in mind that there are 3 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Trieste?

If you’re flying from a popular airport in Ireland, such as Dublin or Cork, and flying into Trieste, then you can expect flight times to average 2h 35m and 5h, respectively.

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.

€29 Cheap Flights from Ireland to Trieste in 2025/26

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Recent return flight deals from Ireland to Trieste

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16:15 - 19:55DUB-TRS

2h 40mdirect

21:05 - 22:45TRS-DUB

2h 40mdirect

€60Ryanair

Find Deal

Fri, 21 Nov - Sun, 23 Nov

19:35 - 07:50DUB-TRS

11h 15m1 stop

21:05 - 22:45TRS-DUB

2h 40mdirect

€95Ryanair

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Fri, 28 Nov - Sun, 30 Nov

19:35 - 07:50DUB-TRS

11h 15m1 stop

21:05 - 22:45TRS-DUB

2h 40mdirect

€101Ryanair

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Fri, 21 Nov - Sun, 23 Nov

22:00 - 12:10DUB-TRS

13h 10m2 stops

21:05 - 22:45TRS-DUB

2h 40mdirect

€112Multiple Airlines

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Fri, 28 Nov - Sun, 30 Nov

16:15 - 19:55DUB-TRS

2h 40mdirect

10:30 - 09:50TRS-DUB

24h 20m2 stops

€132Ryanair

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Fri, 21 Nov - Sun, 23 Nov

16:15 - 19:55DUB-TRS

2h 40mdirect

21:05 - 22:45TRS-DUB

2h 40mdirect

€136Ryanair

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Fri, 9 Jan - Sun, 11 Jan

06:30 - 14:40DUB-TRS

7h 10m1 stop

12:45 - 07:30TRS-DUB

19h 45m2 stops

€145Multiple Airlines

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Tue, 2 Dec - Tue, 9 Dec

11:45 - 22:40DUB-TRS

9h 55m1 stop

15:00 - 22:45TRS-DUB

8h 45m1 stop

€199Lufthansa

Find Deal

Wed, 7 Jan - Sat, 10 Jan

05:00 - 14:00DUB-TRS

8h 00m1 stop

15:00 - 22:45TRS-DUB

8h 45m1 stop

€211Lufthansa

Find Deal

Tue, 6 Jan - Sun, 11 Jan

17:15 - 18:30DUB-TRS

24h 15m2 stops

06:35 - 08:05TRS-DUB

26h 30m2 stops

€234KLM

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Wed, 7 Jan - Sat, 10 Jan

Ryanair flights from Ireland to Trieste

Our best Ryanair deals on Ireland to Trieste flight tickets

Ryanair

21 Nov

DUB16:15Dublin

2h 40m

TRS19:55Trieste Ronchi dei Legionari

23 Nov

TRS21:05Trieste Ronchi dei Legionari

2h 40m

DUB22:45Dublin

€60

Find similar

Ryanair

28 Nov

DUB19:35Dublin

11h 15m

1 stop

TRS07:50Trieste Ronchi dei Legionari

30 Nov

TRS21:05Trieste Ronchi dei Legionari

2h 40m

DUB22:45Dublin

€95

Find similar

Ryanair

21 Nov

DUB19:35Dublin

11h 15m

1 stop

TRS07:50Trieste Ronchi dei Legionari

23 Nov

TRS21:05Trieste Ronchi dei Legionari

2h 40m

DUB22:45Dublin

€101

Find similar

Lufthansa flights from Ireland to Trieste

Our best Lufthansa deals on Ireland to Trieste flight tickets

Lufthansa

7 Jan

DUB11:45Dublin

9h 55m

1 stop

TRS22:40Trieste Ronchi dei Legionari

10 Jan

TRS15:00Trieste Ronchi dei Legionari

8h 45m

1 stop

DUB22:45Dublin

€199

Find similar

Lufthansa

6 Jan

DUB05:00Dublin

8h 00m

1 stop

TRS14:00Trieste Ronchi dei Legionari

11 Jan

TRS15:00Trieste Ronchi dei Legionari

8h 45m

1 stop

DUB22:45Dublin

€211

Find similar

Lufthansa

7 Jan

DUB10:50Dublin

10h 50m

2 stops

TRS22:40Trieste Ronchi dei Legionari

11 Jan

TRS15:00Trieste Ronchi dei Legionari

8h 45m

1 stop

DUB22:45Dublin

€224

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Fly from

Fly to

Route

Depart

Return

Price

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 21/11

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 23/11

21:05-22:45

Nonstop2h 40m

€60

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 28/11

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 30/11

21:05-22:45

Nonstop2h 40m

€95

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 21/11

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 23/11

21:05-22:45

Nonstop2h 40m

€101

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 28/11

22:00-12:10

2 stops13h 10m

Trieste Ronchi dei Legionari

Sun 30/11

21:05-22:45

Nonstop2h 40m

€112

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 21/11

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 23/11

10:30-09:50

2 stops24h 20m

€132

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 9/1

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 11/1

21:05-22:45

Nonstop2h 40m

€136

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Tue 2/12

06:30-14:40

1 stop7h 10m

Trieste Ronchi dei Legionari

Tue 9/12

12:45-07:30

2 stops19h 45m

€145

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Wed 7/1

11:45-22:40

1 stop9h 55m

Trieste Ronchi dei Legionari

Sat 10/1

15:00-22:45

1 stop8h 45m

€199

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Tue 6/1

05:00-14:00

1 stop8h 00m

Trieste Ronchi dei Legionari

Sun 11/1

15:00-22:45

1 stop8h 45m

€211

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Wed 7/1

17:15-18:30

2 stops24h 15m

Trieste Ronchi dei Legionari

Sat 10/1

06:35-08:05

2 stops26h 30m

€234

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Trieste?

The month of February is another great option to travel to Trieste, with average flight prices from Ireland averaging around €118.

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 €278. 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 €359.

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, 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, Thursday, Friday and Saturday. There are no airlines offering direct flights..

There is 1 airport near Trieste: 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?
Based on momondo bookings for flights between Ireland and Trieste, the leading plane model is Boeing 737 MAX 8, making up 37.50% of the total bookings. Other popular models include Airbus A320neo with 25.00%, Boeing 737-800 Passenger/BBJ2 (winglets) with 25.00%, and Airbus A320-100/200 with 12.50%.

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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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Cheap flights from Ireland to Trieste from €29

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 28/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Filter for what you want

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Our best Lufthansa deals on Ireland to Trieste flight tickets

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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 February is another great option to travel to Trieste, with average flight prices from Ireland averaging around €118.

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

What is the cheapest airline that flies from Ireland to Trieste Ronchi dei Legionari?

Ryanair, KLM, and Lufthansa are the most popular carriers operating from Ireland to Trieste Ronchi dei Legionari

Which airlines fly to Trieste?

How many flights depart from Ireland to Trieste on average per week?

As of November 2025, 1 flights take off from Ireland and land in Trieste each week. The most common flight departure day for this route is Sun, with 100% of weekly flights taking off on this day.

How long does it take to fly to Trieste?

If you’re flying from a popular airport in Ireland, such as Dublin or Cork, and flying into Trieste, then you can expect flight times to average 2h 35m and 5h, respectively.

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

Direct flights

Airports in Trieste

When did momondo last update prices 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?

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

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

Travelling to a place near Trieste?

Why use momondo?

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

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

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

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

An easier way to manage your Trieste trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Italy

Fly your favourite airline to Trieste

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