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Cheap flights from Northern Ireland to Trieste from £112

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — TRS
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Northern Ireland to Trieste

Keep the following information in mind while searching for Northern Ireland to Trieste flight deals. Data was last updated 17 October 2025.

Round-trip from

£112
29/11-6/12
  • 29/11-6/12
  • 3 total stops
  • 31h 00m total
  • Northern Ireland to Trieste
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Find flight deals from Northern Ireland to Trieste

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Trieste
Explore the most affordable flight options available from Northern Ireland to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Sat 29/1105:45BFS - TRS
1 stop10h 20mMultiple Airlines
Sat 6/1212:45TRS - BFS
2 stops20h 40mMultiple Airlines
Deal found 15/10£112

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 17 October 2025.
Use the filters below to find and compare flights from Northern Ireland to Trieste that are best for you.

Fly from

Northern Ireland

Fly to

Trieste

Route

Depart

Return

Price

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Sat 29/11

05:45-17:05

1 stop10h 20m

Trieste Ronchi dei Legionari

Sat 6/12

12:45-08:25

2 stops20h 40m

£112

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Best time to book a flight from Northern Ireland to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Northern Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Trieste

What is the cheapest month to book a flight from Northern Ireland to Trieste?

Currently, September is the cheapest month in which you can book a flight from Northern Ireland to Trieste (average of £120). Flying from Northern Ireland to Trieste in December is currently the most expensive (average of £235). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Trieste from Northern Ireland?

    Trieste Ronchi dei Legionari (TRS) is the airport you will fly into if you book a flight from Northern Ireland to Trieste. It is only a 18.2 mi journey from Ronchi dei Legionari (TRS) to Trieste’s city center.

  • Can I find deals for flights from Northern Ireland to Trieste that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Trieste flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Trieste.

  • Can I find deals for business class flights from Northern Ireland to Trieste?

    Yes. Cheapflights offers flight deals from Northern Ireland to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Northern Ireland to Trieste?

    Currently, September is the cheapest month in which you can book a flight from Northern Ireland to Trieste (average of £120). Flying from Northern Ireland to Trieste in December is currently the most expensive (average of £235). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Trieste?

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

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Fly with Cheapflights

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How does Cheapflights help users find flights from Northern Ireland to Trieste?

Deals for Northern Ireland to Trieste flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Trieste?

Cheapflights simply makes it quick and affordable to book flights from Northern Ireland to Trieste by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Northern Ireland to Trieste with no change fees?

Certainly. Search results for flights to Trieste from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Northern Ireland to Trieste become cheaper?

Yes, Cheapflights offers price alerts on Northern Ireland to Trieste flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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