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, respectively.

€21 Cheap Flights to Trieste in 2025/26

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Find the cheapest flights from Ireland to Trieste

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One-way

Direct

Cheap return flights

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16:15 - 19:55DUB-TRS

2h 40mdirect

21:05 - 22:45TRS-DUB

2h 40mdirect

€41Ryanair

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Fri, 5 Dec - Sun, 14 Dec

16:15 - 19:55DUB-TRS

2h 40mdirect

21:05 - 22:45TRS-DUB

2h 40mdirect

€59Ryanair

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Fri, 28 Nov - Sun, 30 Nov

16:15 - 19:55DUB-TRS

2h 40mdirect

21:05 - 22:45TRS-DUB

2h 40mdirect

€62Ryanair

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Fri, 5 Dec - Sun, 7 Dec

17:00 - 20:40DUB-TRS

2h 40mdirect

21:05 - 22:45TRS-DUB

2h 40mdirect

€93Ryanair

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Sun, 4 Jan - Sun, 11 Jan

19:35 - 07:50DUB-TRS

11h 15m1 stop

21:05 - 22:45TRS-DUB

2h 40mdirect

€94Ryanair

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Fri, 5 Dec - Sun, 14 Dec

17:25 - 07:50DUB-TRS

13h 25m1 stop

21:05 - 22:45TRS-DUB

2h 40mdirect

€98Ryanair

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Fri, 28 Nov - Sun, 30 Nov

17:25 - 07:50DUB-TRS

13h 25m1 stop

21:05 - 22:45TRS-DUB

2h 40mdirect

€100Ryanair

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Fri, 12 Dec - Sun, 14 Dec

19:35 - 07:50DUB-TRS

11h 15m1 stop

21:05 - 22:45TRS-DUB

2h 40mdirect

€109Ryanair

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Fri, 5 Dec - Sun, 7 Dec

22:00 - 12:10DUB-TRS

13h 10m2 stops

21:05 - 22:45TRS-DUB

2h 40mdirect

€119Multiple Airlines

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Fri, 5 Dec - Sun, 7 Dec

06:05 - 22:15DUB-TRS

15h 10m1 stop

14:40 - 22:15TRS-DUB

8h 35m1 stop

€183Lufthansa

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Sun, 3 May - Sat, 16 May

Fly from

Route

Depart

Return

Price

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 5/12

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 14/12

21:05-22:45

Nonstop2h 40m

€41

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 28/11

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 30/11

21:05-22:45

Nonstop2h 40m

€59

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 5/12

16:15-19:55

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 7/12

21:05-22:45

Nonstop2h 40m

€62

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sun 4/1

17:00-20:40

Nonstop2h 40m

Trieste Ronchi dei Legionari

Sun 11/1

21:05-22:45

Nonstop2h 40m

€93

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 5/12

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 14/12

21:05-22:45

Nonstop2h 40m

€94

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 28/11

17:25-07:50

1 stop13h 25m

Trieste Ronchi dei Legionari

Sun 30/11

21:05-22:45

Nonstop2h 40m

€98

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 12/12

17:25-07:50

1 stop13h 25m

Trieste Ronchi dei Legionari

Sun 14/12

21:05-22:45

Nonstop2h 40m

€100

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 5/12

19:35-07:50

1 stop11h 15m

Trieste Ronchi dei Legionari

Sun 7/12

21:05-22:45

Nonstop2h 40m

€109

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Fri 5/12

22:00-12:10

2 stops13h 10m

Trieste Ronchi dei Legionari

Sun 7/12

21:05-22:45

Nonstop2h 40m

€119

DublinTrieste

DUB - TRS

DUBTRS

Dublin

Sun 3/5

06:05-22:15

1 stop15h 10m

Trieste Ronchi dei Legionari

Sat 16/5

14:40-22:15

1 stop8h 35m

€183

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Trieste flights insights and trends

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Prices

Other information

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

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	73% cheaper	Flying from Dublin to Trieste costs on average just €52 in November
MOST EXPENSIVE MONTH TO FLY TO TRIESTE FROM DUBLIN	June	142% more expensive	It costs about €459 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	€41
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 €41 (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 31% price increase on average.

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Frequently asked questions about flying to Trieste

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 €118.

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 €146 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.

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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.