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Cheap flights from Dublin 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 Dublin to Trieste departing on 23/1. 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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Cheap return flights

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Ryanair Logo
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€49Ryanair
Find Deal
Fri, 16 Jan - Sun, 18 Jan
Ryanair Logo
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
20:30 - 22:10TRS-DUB
2h 40mdirect
€54Ryanair
Find Deal
Fri, 9 Jan - Fri, 16 Jan
Ryanair Logo
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
09:15 - 13:45TRS-DUB
5h 30m1 stop
€80Ryanair
Find Deal
Fri, 9 Jan - Fri, 16 Jan
Ryanair Logo
19:35 - 07:50DUB-TRS
11h 15m1 stop
Ryanair Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€87Ryanair
Find Deal
Fri, 16 Jan - Sun, 18 Jan
Multiple Airlines Logo
13:45 - 21:15DUB-TRS
6h 30m1 stop
Multiple Airlines Logo
21:40 - 07:50TRS-DUB
11h 10m1 stop
€91Multiple Airlines
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Thu, 8 Jan - Thu, 15 Jan
Ryanair Logo
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
09:15 - 21:25TRS-DUB
13h 10m2 stops
€98Ryanair
Find Deal
Fri, 9 Jan - Fri, 16 Jan
Ryanair Logo
16:15 - 19:55DUB-TRS
2h 40mdirect
Ryanair Logo
06:10 - 20:55TRS-DUB
15h 45m2 stops
€109Ryanair
Find Deal
Fri, 16 Jan - Sun, 18 Jan
Multiple Airlines Logo
22:00 - 12:10DUB-TRS
13h 10m2 stops
Multiple Airlines Logo
21:05 - 22:45TRS-DUB
2h 40mdirect
€115Multiple Airlines
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Fri, 16 Jan - Sun, 18 Jan
Ryanair Logo
17:25 - 07:50DUB-TRS
13h 25m1 stop
Ryanair Logo
22:35 - 14:45TRS-DUB
17h 10m2 stops
€122Ryanair
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Fri, 9 Jan - Fri, 16 Jan
Multiple Airlines Logo
13:00 - 08:50DUB-TRS
18h 50m2 stops
Multiple Airlines Logo
21:40 - 07:50TRS-DUB
11h 10m1 stop
€123Multiple Airlines
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Thu, 8 Jan - Thu, 15 Jan

Lufthansa flights from Dublin to Trieste

Our best Lufthansa deals on Dublin to Trieste flight tickets
Lufthansa
13 Dec
DUB11:55Dublin
25h 10m
1 stop
TRS14:05Trieste Ronchi dei Legionari
15 Dec
TRS11:15Trieste Ronchi dei Legionari
30h 55m
2 stops
DUB17:10Dublin
€331
Find similar
Lufthansa
13 Dec
DUB11:55Dublin
25h 10m
1 stop
TRS14:05Trieste Ronchi dei Legionari
15 Dec
TRS06:35Trieste Ronchi dei Legionari
35h 35m
2 stops
DUB17:10Dublin
€359
Find similar
Lufthansa
13 Dec
DUB17:20Dublin
19h 45m
1 stop
TRS14:05Trieste Ronchi dei Legionari
15 Dec
TRS06:35Trieste Ronchi dei Legionari
35h 35m
2 stops
DUB17:10Dublin
€359
Find similar

Ryanair flights from Dublin to Trieste

Our best Ryanair deals on Dublin to Trieste flight tickets
Ryanair
16 Jan
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
18 Jan
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€49
Find similar
Ryanair
9 Jan
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
16 Jan
TRS20:30Trieste Ronchi dei Legionari
2h 40m
DUB22:10Dublin
€54
Find similar
Ryanair
9 Jan
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
16 Jan
TRS09:15Trieste Ronchi dei Legionari
5h 30m
1 stop
DUB13:45Dublin
€80
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momondo Fare Finder

 
Customise your flight search to find flights from Dublin 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 26 November 2025.
Use the filters below to find and compare flights from Dublin to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 16/1

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 18/1

21:05-22:45

Nonstop2h 40m

€49

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 9/1

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Fri 16/1

20:30-22:10

Nonstop2h 40m

€54

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 9/1

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Fri 16/1

09:15-13:45

1 stop5h 30m

€80

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 16/1

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 18/1

21:05-22:45

Nonstop2h 40m

€87

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Thu 8/1

13:45-21:15

1 stop6h 30m

Trieste Ronchi dei Legionari

Thu 15/1

21:40-07:50

1 stop11h 10m

€91

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 9/1

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Fri 16/1

09:15-21:25

2 stops13h 10m

€98

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 16/1

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 18/1

06:10-20:55

2 stops15h 45m

€109

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 16/1

22:00-12:10

2 stops13h 10m

Trieste Ronchi dei Legionari

Sun 18/1

21:05-22:45

Nonstop2h 40m

€115

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 9/1

17:25-07:50

1 stop13h 25m

Trieste Ronchi dei Legionari

Fri 16/1

22:35-14:45

2 stops17h 10m

€122

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Thu 8/1

13:00-08:50

2 stops18h 50m

Trieste Ronchi dei Legionari

Thu 15/1

21:40-07:50

1 stop11h 10m

€123

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 Dublin 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 €277. 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 Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €358.

When to book flights from Dublin to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Trieste according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Trieste (DUB to TRS) flight deals and tips

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

Fastest flight time

2h 40m

Direct flights

Mon, Thu, Fri and Sat

Airports in Trieste

1 airport
The fastest flight from Dublin to Trieste takes 2h 40m
Direct flights go from Dublin 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)
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  • How far is Dublin to Trieste Ronchi dei Legionari by plane?

    Trieste Ronchi dei Legionari is 1671.1 km away from Dublin. Typically, this will take 2h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Dublin Airport to Trieste Ronchi dei Legionari Airport?

    Prices for flights from Dublin Airport to Trieste Ronchi dei Legionari Airport are updated daily.

  • How old do you have to be to fly from Dublin Airport to Trieste Ronchi dei Legionari Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Trieste Ronchi dei Legionari Airport.

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

    The travel and health documents you'll need for your trip to Trieste Ronchi dei Legionari Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin 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 Dublin to Trieste?

Finding the right flight to Trieste from Dublin 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 Dublin to Trieste with flexible booking policies on momondo?

All flight searches from Dublin to Trieste on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Trieste from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Trieste from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Fly your favourite airline to Trieste

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