Which airlines fly to Trieste?

Aer Lingus, KLM and Lufthansa are the most popular airlines that fly from Ireland to Trieste on a routine basis, according to our data. You should be able to find flights to Trieste with these airlines and other airlines flying from Ireland.

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 10m, respectively.

€21 Cheap Flights to Trieste in 2025/26

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Find the cheapest flights from Ireland to Trieste

Round-trip

One-way

Direct

Cheap return flights

Enter your travel dates to find the best prices.

17:00 - 20:40DUB-TRS

2h 40mdirect

21:05 - 22:45TRS-DUB

2h 40mdirect

€55Ryanair

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Sun, 7 Dec - Sun, 14 Dec

16:15 - 19:55DUB-TRS

2h 40mdirect

21:05 - 22:45TRS-DUB

2h 40mdirect

€59Ryanair

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Fri, 14 Nov - Sun, 16 Nov

17:00 - 20:40DUB-TRS

2h 40mdirect

21:05 - 22:45TRS-DUB

2h 40mdirect

€62Ryanair

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Sun, 7 Dec - Sun, 14 Dec

15:05 - 12:10DUB-TRS

20h 05m2 stops

21:05 - 22:45TRS-DUB

2h 40mdirect

€123Multiple Airlines

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Fri, 28 Nov - Sun, 30 Nov

17:00 - 20:40DUB-TRS

2h 40mdirect

06:00 - 18:40TRS-DUB

13h 40m2 stops

€130Multiple Airlines

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Sun, 7 Dec - Sun, 14 Dec

08:55 - 22:25DUB-TRS

12h 30m1 stop

06:30 - 16:55TRS-DUB

11h 25m1 stop

€305Lufthansa

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Mon, 30 Mar - Tue, 31 Mar

08:55 - 22:25DUB-TRS

12h 30m1 stop

14:45 - 09:55TRS-DUB

20h 10m2 stops

€351Lufthansa

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Mon, 30 Mar - Tue, 31 Mar

16:30 - 22:55DUB-TRS

29h 25m2 stops

11:15 - 22:10TRS-DUB

11h 55m2 stops

€695Turkish Airlines

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Mon, 10 Nov - Thu, 20 Nov

04:15 - 22:55DUB-TRS

17h 40m2 stops

11:15 - 23:20TRS-DUB

13h 05m2 stops

€836TAP AIR PORTUGAL

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Sat, 22 Nov - Thu, 27 Nov

04:25 - 14:30DUB-TRS

33h 05m2 stops

11:15 - 23:20TRS-DUB

13h 05m2 stops

€1,202TAP AIR PORTUGAL

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Thu, 13 Nov - Sun, 16 Nov

Fly from

Route

Depart

Return

Price

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sun 7/12

17:00-20:40

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 14/12

21:05-22:45

Nonstop2h 40m

€55

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 14/11

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 16/11

21:05-22:45

Nonstop2h 40m

€59

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sun 7/12

17:00-20:40

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 14/12

21:05-22:45

Nonstop2h 40m

€62

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 28/11

15:05-12:10

2 stops20h 05m

Trieste Ronchi dei Legionari

Sun 30/11

21:05-22:45

Nonstop2h 40m

€123

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sun 7/12

17:00-20:40

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 14/12

06:00-18:40

2 stops13h 40m

€130

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Mon 30/3

08:55-22:25

1 stop12h 30m

Trieste Ronchi dei Legionari

Tue 31/3

06:30-16:55

1 stop11h 25m

€305

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Mon 30/3

08:55-22:25

1 stop12h 30m

Trieste Ronchi dei Legionari

Tue 31/3

14:45-09:55

2 stops20h 10m

€351

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Mon 10/11

16:30-22:55

2 stops29h 25m

Trieste Ronchi dei Legionari

Thu 20/11

11:15-22:10

2 stops11h 55m

€695

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sat 22/11

04:15-22:55

2 stops17h 40m

Trieste Ronchi dei Legionari

Thu 27/11

11:15-23:20

2 stops13h 05m

€836

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Thu 13/11

04:25-14:30

2 stops33h 05m

Trieste Ronchi dei Legionari

Sun 16/11

11:15-23:20

2 stops13h 05m

€1,202

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Showing 1-10 of 20 resultsSorted by cheapest first

Trieste flights insights and trends

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Prices

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 €117.

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 €276. 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 €356.

Cheapest flights to Trieste Ronchi dei Legionari

Find the cheapest flights to Trieste Ronchi dei Legionari from your nearest city or airport

Find flights from Dublin to Trieste

CHEAPEST MONTH TO FLY TO TRIESTE FROM DUBLIN	November	80% cheaper	Flying from Dublin to Trieste costs on average just €44 in November
MOST EXPENSIVE MONTH TO FLY TO TRIESTE FROM DUBLIN	June	115% more expensive	It costs about €456 for flights to Trieste from Dublin in June
MOST POPULAR MONTH TO FLY TO TRIESTE FROM DUBLIN	August	500% more users visited	More momondo users searched in flights to Trieste from Dublin in August than any other month

Cheap Trieste flight deals and tips

Summary info about Trieste flight prices, duration and airlines

Best One-Way Price	€21
Best Round-Trip Price	€55
Fastest flight time	2h 40m
Popular in	June

The best one-way flight price to Trieste from Ireland in the last 72 hours is €21 (Dublin to Trieste Ronchi dei Legionari).

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The best round-trip flight price to Trieste from Ireland in the last 72 hours is €55 (Dublin to Trieste Ronchi dei Legionari).

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The fastest flight to Trieste from Ireland takes 2h 40m (Dublin to Trieste Ronchi dei Legionari).

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June has the highest demand for flights to Trieste, with a 29% price increase on average.

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Frequently asked questions about flying to Trieste

Is there an alternative airport near Trieste?

Finding an alternative and possibly cheaper destination airport near Trieste is possible. If you are planning a flight to Trieste, consider booking flights to Trieste Ronchi dei Legionari Airport (29 km from Trieste city centre) or Venice Treviso A. Canova Airport (122 km from Trieste city centre).

Is there a cheaper alternative to flying into Trieste?

Venice Treviso A. Canova Airport has an average price of €145 per person and is typically the cheapest airport to fly into when visiting Trieste. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to Trieste?

€67 is the cheapest deal found on momondo in the last two weeks for a flight to Trieste. This flight is from Madrid and is 54% cheaper than most flights to Trieste. To find the cheapest price to Trieste from your area, use momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Trieste Ronchi dei Legionari Airport were last updated today.

How old do you have to be to fly 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 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.

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

momondo does allow users to show only those flights to Trieste which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Trieste?

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

Yes momondo offers price alerts on flights to Trieste. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.