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Cheap flights from Dublin to Trieste from €47

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 9/9. 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
0 bags

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Cheap return flights

Ryanair Logo
17:45 - 21:25DUB-TRS
2h 40mdirect
Ryanair Logo
15:30 - 17:20TRS-DUB
2h 50mdirect
€71Ryanair
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Tue, 2 Sep - Tue, 23 Sep
Ryanair Logo
07:50 - 11:30DUB-TRS
2h 40mdirect
Ryanair Logo
06:00 - 14:50TRS-DUB
9h 50m1 stop
€111Ryanair
Find Deal
Sat, 27 Sep - Sat, 4 Oct
Ryanair Logo
17:45 - 21:25DUB-TRS
2h 40mdirect
Ryanair Logo
06:00 - 18:00TRS-DUB
13h 00m1 stop
€115Ryanair
Find Deal
Tue, 2 Sep - Tue, 23 Sep
Logo
07:50 - 11:30DUB-TRS
2h 40mdirect
Logo
19:20 - 11:05TRS-DUB
16h 45m2 stops
€123
Find Deal
Sat, 27 Sep - Sat, 4 Oct
Ryanair Logo
07:50 - 11:30DUB-TRS
2h 40mdirect
Ryanair Logo
12:20 - 14:10TRS-DUB
2h 50mdirect
€131Ryanair
Find Deal
Sat, 27 Sep - Sat, 4 Oct
Logo
17:45 - 21:25DUB-TRS
2h 40mdirect
Logo
11:30 - 21:55TRS-DUB
11h 25m2 stops
€132
Find Deal
Tue, 2 Sep - Tue, 23 Sep
Lufthansa Logo
05:55 - 22:25DUB-TRS
15h 30m1 stop
Lufthansa Logo
06:30 - 16:55TRS-DUB
11h 25m1 stop
€156Lufthansa
Find Deal
Fri, 3 Oct - Sun, 5 Oct
Lufthansa Logo
09:00 - 22:25DUB-TRS
12h 25m1 stop
Lufthansa Logo
06:30 - 16:55TRS-DUB
11h 25m1 stop
€200Lufthansa
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Tue, 2 Sep - Sat, 6 Sep
ITA Airways Logo
05:55 - 20:55DUB-TRS
14h 00m2 stops
ITA Airways Logo
11:15 - 22:15TRS-DUB
12h 00m2 stops
€285ITA Airways
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Fri, 26 Sep - Fri, 3 Oct
ITA Airways Logo
05:55 - 20:55DUB-TRS
14h 00m2 stops
ITA Airways Logo
15:15 - 12:10TRS-DUB
21h 55m2 stops
€349ITA Airways
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Fri, 3 Oct - Sun, 5 Oct

Lufthansa flights from Dublin to Trieste

Our best Lufthansa deals on Dublin to Trieste flight tickets
Lufthansa
3 Oct
DUB05:55Dublin
15h 30m
1 stop
TRS22:25Trieste Ronchi dei Legionari
5 Oct
TRS06:30Trieste Ronchi dei Legionari
11h 25m
1 stop
DUB16:55Dublin
€156
Find similar
Lufthansa
2 Sept
DUB09:00Dublin
12h 25m
1 stop
TRS22:25Trieste Ronchi dei Legionari
6 Sept
TRS06:30Trieste Ronchi dei Legionari
11h 25m
1 stop
DUB16:55Dublin
€200
Find similar
Lufthansa
26 Sept
DUB09:00Dublin
12h 25m
1 stop
TRS22:25Trieste Ronchi dei Legionari
3 Oct
TRS14:45Trieste Ronchi dei Legionari
20h 10m
2 stops
DUB09:55Dublin
€207
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ITA Airways flights from Dublin to Trieste

Our best ITA Airways deals on Dublin to Trieste flight tickets
ITA Airways
26 Sept
DUB05:55Dublin
14h 00m
2 stops
TRS20:55Trieste Ronchi dei Legionari
3 Oct
TRS11:15Trieste Ronchi dei Legionari
12h 00m
2 stops
DUB22:15Dublin
€285
Find similar
ITA Airways
3 Oct
DUB05:55Dublin
14h 00m
2 stops
TRS20:55Trieste Ronchi dei Legionari
5 Oct
TRS15:15Trieste Ronchi dei Legionari
21h 55m
2 stops
DUB12:10Dublin
€349
Find similar
ITA Airways
4 Oct
DUB05:55Dublin
15h 30m
1 stop
TRS22:25Trieste Ronchi dei Legionari
5 Oct
TRS15:15Trieste Ronchi dei Legionari
21h 55m
2 stops
DUB12:10Dublin
€364
Find similar

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 14 August 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

Tue 2/9

17:45-21:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Tue 23/9

15:30-17:20

Nonstop2h 50m

€71

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sat 27/9

07:50-11:30

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sat 4/10

06:00-14:50

1 stop9h 50m

€111

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Tue 2/9

17:45-21:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Tue 23/9

06:00-18:00

1 stop13h 00m

€115

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sat 27/9

07:50-11:30

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sat 4/10

19:20-11:05

2 stops16h 45m

€123

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sat 27/9

07:50-11:30

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sat 4/10

12:20-14:10

Nonstop2h 50m

€131

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Tue 2/9

17:45-21:25

Nonstop2h 40m

Trieste Ronchi dei Legionari

Tue 23/9

11:30-21:55

2 stops11h 25m

€132

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 3/10

05:55-22:25

1 stop15h 30m

Trieste Ronchi dei Legionari

Sun 5/10

06:30-16:55

1 stop11h 25m

€156

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Tue 2/9

09:00-22:25

1 stop12h 25m

Trieste Ronchi dei Legionari

Sat 6/9

06:30-16:55

1 stop11h 25m

€200

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 26/9

05:55-20:55

2 stops14h 00m

Trieste Ronchi dei Legionari

Fri 3/10

11:15-22:15

2 stops12h 00m

€285

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 3/10

05:55-20:55

2 stops14h 00m

Trieste Ronchi dei Legionari

Sun 5/10

15:15-12:10

2 stops21h 55m

€349

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 €274. 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 €354.

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

Best price found

€47

Fastest flight time

2h 40m

Direct flights

Mon, Wed, Sat and Sun

Airports in Trieste

1 airport
The best one-way flight to Trieste from Dublin in the past 72 hours is €47. The best return flight deal from Dublin to Trieste found on momondo in the last 72 hours is €71.
The fastest flight from Dublin to Trieste takes 2h 40m
Direct flights go from Dublin to Trieste on Monday, Wednesday, Saturday and Sunday. Airline offering direct flights is Ryanair..
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 many operators does momondo search for flights from Dublin Airport to Trieste Ronchi dei Legionari Airport?

  • 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?

  • What is the most popular airline from Dublin to Trieste?

Best airlines flying from Dublin to Trieste

Compare and see reviews for airlines that fly from Dublin to Trieste with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom €162Free CancellationRating
6.8
7,317 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 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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