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Cheap flights from Northern Ireland to Trieste from £116

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Trieste departing on 1/1. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:15 - 15:50BFS-TRS
8h 35m1 stop
Multiple Airlines Logo
21:40 - 07:25TRS-BFS
10h 45m1 stop
£116Multiple Airlines
Find Deal
Thu, 1 Jan - Thu, 8 Jan
Multiple Airlines Logo
06:15 - 15:50BFS-TRS
8h 35m1 stop
Multiple Airlines Logo
21:40 - 22:35TRS-BFS
25h 55m2 stops
£144Multiple Airlines
Find Deal
Thu, 1 Jan - Thu, 8 Jan
Multiple Airlines Logo
16:30 - 12:10BHD-TRS
18h 40m2 stops
Multiple Airlines Logo
21:40 - 17:25TRS-BHD
20h 45m2 stops
£160Multiple Airlines
Find Deal
Fri, 27 Feb - Thu, 5 Mar
Multiple Airlines Logo
06:15 - 15:50BFS-TRS
8h 35m1 stop
Multiple Airlines Logo
11:15 - 20:25TRS-BFS
34h 10m3 stops
£179Multiple Airlines
Find Deal
Thu, 1 Jan - Thu, 8 Jan
Multiple Airlines Logo
16:30 - 12:10BHD-TRS
18h 40m2 stops
Multiple Airlines Logo
15:15 - 19:35TRS-BHD
29h 20m3 stops
£217Multiple Airlines
Find Deal
Fri, 27 Feb - Thu, 5 Mar
Multiple Airlines Logo
17:30 - 07:50BFS-TRS
13h 20m1 stop
Multiple Airlines Logo
21:40 - 07:25TRS-BFS
10h 45m1 stop
£242Multiple Airlines
Find Deal
Fri, 27 Feb - Thu, 5 Mar
Multiple Airlines Logo
08:25 - 21:15BFS-TRS
11h 50m2 stops
Multiple Airlines Logo
06:35 - 20:20TRS-BFS
14h 45m3 stops
£264Multiple Airlines
Find Deal
Thu, 1 Jan - Thu, 8 Jan
Multiple Airlines Logo
20:20 - 17:05BFS-TRS
19h 45m2 stops
Multiple Airlines Logo
21:40 - 07:25TRS-BFS
10h 45m1 stop
£302Multiple Airlines
Find Deal
Fri, 27 Feb - Thu, 5 Mar
Multiple Airlines Logo
06:15 - 22:55BFS-TRS
15h 40m3 stops
Multiple Airlines Logo
06:35 - 20:20TRS-BFS
14h 45m3 stops
£375Multiple Airlines
Find Deal
Thu, 1 Jan - Thu, 8 Jan
Multiple Airlines Logo
20:20 - 17:05BFS-TRS
19h 45m2 stops
Multiple Airlines Logo
21:40 - 22:35TRS-BFS
25h 55m2 stops
£392Multiple Airlines
Find Deal
Fri, 27 Feb - Thu, 5 Mar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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 279,928 searches. Data last updated 18 November 2025.
Use the filters below to find and compare flights from Northern Ireland to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Thu 1/1

06:15-15:50

1 stop8h 35m

Trieste Ronchi dei Legionari

Thu 8/1

21:40-07:25

1 stop10h 45m

£116

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Thu 1/1

06:15-15:50

1 stop8h 35m

Trieste Ronchi dei Legionari

Thu 8/1

21:40-22:35

2 stops25h 55m

£144

BelfastTrieste

BHD - TRS

BHDTRS

Belfast City

Fri 27/2

16:30-12:10

2 stops18h 40m

Trieste Ronchi dei Legionari

Thu 5/3

21:40-17:25

2 stops20h 45m

£160

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Thu 1/1

06:15-15:50

1 stop8h 35m

Trieste Ronchi dei Legionari

Thu 8/1

11:15-20:25

3 stops34h 10m

£179

BelfastTrieste

BHD - TRS

BHDTRS

Belfast City

Fri 27/2

16:30-12:10

2 stops18h 40m

Trieste Ronchi dei Legionari

Thu 5/3

15:15-19:35

3 stops29h 20m

£217

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Fri 27/2

17:30-07:50

1 stop13h 20m

Trieste Ronchi dei Legionari

Thu 5/3

21:40-07:25

1 stop10h 45m

£242

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Thu 1/1

08:25-21:15

2 stops11h 50m

Trieste Ronchi dei Legionari

Thu 8/1

06:35-20:20

3 stops14h 45m

£264

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Fri 27/2

20:20-17:05

2 stops19h 45m

Trieste Ronchi dei Legionari

Thu 5/3

21:40-07:25

1 stop10h 45m

£302

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Thu 1/1

06:15-22:55

3 stops15h 40m

Trieste Ronchi dei Legionari

Thu 8/1

06:35-20:20

3 stops14h 45m

£375

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Fri 27/2

20:20-17:05

2 stops19h 45m

Trieste Ronchi dei Legionari

Thu 5/3

21:40-22:35

2 stops25h 55m

£392

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Northern Ireland to Trieste flight deals and tips

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

Direct flights

None
There are no direct flights from Northern Ireland to Trieste. There are no popular flight routes from Northern Ireland to Trieste.
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  • When did momondo last update prices for flights from Northern Ireland to Trieste Ronchi dei Legionari Airport?

    Prices for flights from Northern Ireland to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Trieste Ronchi dei Legionari Airport.

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

    The necessary travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Northern Ireland to Trieste?

    Search flight deals from Northern Ireland to Trieste. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Northern Ireland to Trieste with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine
Grado

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Trieste?

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

Flights from Northern Ireland to Trieste with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Northern Ireland to Trieste?

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

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

Yes. momondo can track prices for Northern Ireland to Trieste flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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British Airways