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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 31/10. 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

Ryanair Logo
07:50 - 11:30DUB-TRS
2h 40mdirect
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€45Ryanair
Find Deal
Sat, 18 Oct - Sun, 26 Oct
Ryanair Logo
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€51Ryanair
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Ryanair Logo
08:20 - 16:30DUB-TRS
7h 10m1 stop
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€110Ryanair
Find Deal
Sat, 18 Oct - Sun, 26 Oct
Multiple Airlines Logo
22:00 - 12:10DUB-TRS
13h 10m2 stops
Multiple Airlines Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€111Multiple Airlines
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Ryanair Logo
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
10:15 - 14:50TRS-DUB
5h 35m1 stop
€113Ryanair
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Multiple Airlines Logo
14:45 - 12:10DUB-TRS
20h 25m2 stops
Multiple Airlines Logo
10:15 - 23:05TRS-DUB
13h 50m1 stop
€128Multiple Airlines
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Lufthansa Logo
09:25 - 22:30DUB-TRS
12h 05m1 stop
Lufthansa Logo
15:00 - 22:45TRS-DUB
8h 45m1 stop
€165Lufthansa
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Lufthansa Logo
10:50 - 22:30DUB-TRS
10h 40m2 stops
Lufthansa Logo
15:00 - 22:45TRS-DUB
8h 45m1 stop
€191Lufthansa
Find Deal
Fri, 7 Nov - Sun, 9 Nov
KLM Logo
17:15 - 18:30DUB-TRS
24h 15m2 stops
KLM Logo
06:35 - 16:20TRS-DUB
10h 45m2 stops
€267KLM
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Mon, 10 Nov - Wed, 12 Nov
Turkish Airlines Logo
17:00 - 18:30DUB-TRS
24h 30m2 stops
Turkish Airlines Logo
11:15 - 09:35TRS-DUB
23h 20m2 stops
€824Turkish Airlines
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Sat, 4 Oct - Mon, 6 Oct

Ryanair flights from Ireland to Trieste

Our best Ryanair deals on Ireland to Trieste flight tickets
Ryanair
18 Oct
DUB07:50Dublin
2h 40m
TRS11:30Trieste Ronchi dei Legionari
26 Oct
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€45
Find similar
Ryanair
7 Nov
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
9 Nov
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€51
Find similar
Ryanair
18 Oct
DUB08:20Dublin
7h 10m
1 stop
TRS16:30Trieste Ronchi dei Legionari
26 Oct
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€110
Find similar

Lufthansa flights from Ireland to Trieste

Our best Lufthansa deals on Ireland to Trieste flight tickets
Lufthansa
7 Nov
DUB09:25Dublin
12h 05m
1 stop
TRS22:30Trieste Ronchi dei Legionari
9 Nov
TRS15:00Trieste Ronchi dei Legionari
8h 45m
1 stop
DUB22:45Dublin
€165
Find similar
Lufthansa
7 Nov
DUB10:50Dublin
10h 40m
2 stops
TRS22:30Trieste Ronchi dei Legionari
9 Nov
TRS15:00Trieste Ronchi dei Legionari
8h 45m
1 stop
DUB22:45Dublin
€191
Find similar
Lufthansa
28 Sept
DUB05:55Dublin
15h 30m
1 stop
TRS22:25Trieste Ronchi dei Legionari
3 Oct
TRS14:45Trieste Ronchi dei Legionari
8h 30m
1 stop
DUB22:15Dublin
€241
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 18 September 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

Sat 18/10

07:50-11:30

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 26/10

21:05-22:45

Nonstop2h 40m

€45

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 7/11

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 9/11

21:05-22:45

Nonstop2h 40m

€51

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sat 18/10

08:20-16:30

1 stop7h 10m

Trieste Ronchi dei Legionari

Sun 26/10

21:05-22:45

Nonstop2h 40m

€110

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 7/11

22:00-12:10

2 stops13h 10m

Trieste Ronchi dei Legionari

Sun 9/11

21:05-22:45

Nonstop2h 40m

€111

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 7/11

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 9/11

10:15-14:50

1 stop5h 35m

€113

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 7/11

14:45-12:10

2 stops20h 25m

Trieste Ronchi dei Legionari

Sun 9/11

10:15-23:05

1 stop13h 50m

€128

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 7/11

09:25-22:30

1 stop12h 05m

Trieste Ronchi dei Legionari

Sun 9/11

15:00-22:45

1 stop8h 45m

€165

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 7/11

10:50-22:30

2 stops10h 40m

Trieste Ronchi dei Legionari

Sun 9/11

15:00-22:45

1 stop8h 45m

€191

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Mon 10/11

17:15-18:30

2 stops24h 15m

Trieste Ronchi dei Legionari

Wed 12/11

06:35-16:20

2 stops10h 45m

€267

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sat 4/10

17:00-18:30

2 stops24h 30m

Trieste Ronchi dei Legionari

Mon 6/10

11:15-09:35

2 stops23h 20m

€824

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 €270. 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 €349.

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, Wed, Sat and Sun

Airports in Trieste

1 airport
The fastest flight from Ireland to Trieste takes 2h 40m
Direct flights go from Ireland to Trieste on Monday, Wednesday, Saturday and Sunday. 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 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
LufthansaPriceFrom €160Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights

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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