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Cheap flights from Dublin to Trieste from €17

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 8/3. 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

Enter your travel dates to find the best prices.
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€35Ryanair
Fri, 6 Mar - Sun, 8 Mar
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
09:30 - 11:20
TRS
-
DUB
2h 50mdirect
€36Ryanair
Fri, 27 Mar - Sun, 29 Mar
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€37Ryanair
Fri, 6 Mar - Sun, 8 Mar
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€40Ryanair
Fri, 6 Mar - Sun, 15 Mar
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
09:30 - 11:20
TRS
-
DUB
2h 50mdirect
€41Ryanair
Fri, 27 Mar - Sun, 29 Mar
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
09:30 - 11:20
TRS
-
DUB
2h 50mdirect
€42Ryanair
Fri, 27 Mar - Sun, 29 Mar
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
10:35 - 23:20
TRS
-
DUB
13h 45m
1 stop
€76Ryanair
Fri, 27 Mar - Sun, 29 Mar
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
10:35 - 23:20
TRS
-
DUB
13h 45m
1 stop
€77Ryanair
Fri, 27 Mar - Sun, 29 Mar
Ryanair Logo
16:15 - 19:55
DUB
-
TRS
2h 40mdirect
Ryanair Logo
09:40 - 18:50
TRS
-
DUB
10h 10m
1 stop
€77Ryanair
Fri, 27 Mar - Tue, 31 Mar
Ryanair Logo
19:35 - 07:50
DUB
-
TRS
11h 15m
1 stop
Ryanair Logo
21:05 - 22:45
TRS
-
DUB
2h 40mdirect
€79Ryanair
Fri, 6 Mar - Sun, 8 Mar

Ryanair flights from Dublin to Trieste

Our best Ryanair deals on Dublin to Trieste flight tickets
Ryanair
27 Mar
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
29 Mar
TRS09:30Trieste Ronchi dei Legionari
2h 50m
DUB11:20Dublin
€35
Ryanair
27 Mar
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
29 Mar
TRS09:30Trieste Ronchi dei Legionari
2h 50m
DUB11:20Dublin
€36
Ryanair
6 Mar
DUB16:15Dublin
2h 40m
TRS19:55Trieste Ronchi dei Legionari
8 Mar
TRS21:05Trieste Ronchi dei Legionari
2h 40m
DUB22:45Dublin
€37

Lufthansa flights from Dublin to Trieste

Our best Lufthansa deals on Dublin to Trieste flight tickets
Lufthansa
26 Mar
DUB11:45Dublin
9h 55m
1 stop
TRS22:40Trieste Ronchi dei Legionari
2 Apr
TRS06:00Trieste Ronchi dei Legionari
11h 55m
1 stop
DUB16:55Dublin
€175
Lufthansa
1 May
DUB08:45Dublin
12h 30m
1 stop
TRS22:15Trieste Ronchi dei Legionari
5 May
TRS14:45Trieste Ronchi dei Legionari
8h 30m
1 stop
DUB22:15Dublin
€182
Lufthansa
1 May
DUB08:45Dublin
12h 30m
1 stop
TRS22:15Trieste Ronchi dei Legionari
5 May
TRS14:45Trieste Ronchi dei Legionari
8h 30m
1 stop
DUB22:15Dublin
€183

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 12 February 2026.
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 6/3

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 8/3

21:05-22:45

Nonstop2h 40m

€35

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 27/3

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 29/3

09:30-11:20

Nonstop2h 50m

€36

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/3

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 8/3

21:05-22:45

Nonstop2h 40m

€37

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/3

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 15/3

21:05-22:45

Nonstop2h 40m

€40

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 27/3

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 29/3

09:30-11:20

Nonstop2h 50m

€41

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 27/3

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 29/3

09:30-11:20

Nonstop2h 50m

€42

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 27/3

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 29/3

10:35-23:20

1 stop13h 45m

€76

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 27/3

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 29/3

10:35-23:20

1 stop13h 45m

€77

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 27/3

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Tue 31/3

09:40-18:50

1 stop10h 10m

€77

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 6/3

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 8/3

21:05-22:45

Nonstop2h 40m

€79

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 typical price of a round-trip flight between Dublin and Trieste?

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 Dublin averaging around €55.

What is the cheapest Dublin to Trieste Ronchi dei Legionari flight route?

Fly from Dublin to Trieste Ronchi dei Legionari for the best Dublin - Trieste Ronchi dei Legionari flight prices

What cabin class options are available on Dublin to Trieste Ronchi dei Legionari flights?

There is only 1 cabin class available to choose from on Dublin to Trieste Ronchi dei Legionari flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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, Fri and Sat

Airports in Trieste

1 airport
The best flight deal from Dublin to Trieste found on momondo in the last 72 hours is €47
The fastest flight from Dublin to Trieste takes 2h 40m
Direct flights go from Dublin to Trieste on Monday, Friday and Saturday. There are no airlines offering direct flights..
There is 1 airport in Trieste. From Dublin there are direct flights to Trieste Ronchi dei Legionari (TRS).
Search flight deals

  • 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
RyanairPriceFrom €44Free CancellationRating
6.9
5,267 reviews
Search Ryanair 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Aer Lingus
Ryanair
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KLM