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Cheap flights from Northern Ireland to Trieste from £58

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — TRS
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 20 March 2026.

Thu 30/415:55
BFS
-
TRS
2 stops16h 00m
Multiple Airlines
Thu 7/506:30
TRS
-
BFS
2 stops15h 30m
Multiple Airlines
Deal found 16/3£135

Find 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 20 March 2026.

Round-trip from

£135

One-way from

£58
30/4-7/5
  • 30/4-7/5
  • 4 total stops
  • 31h 30m total
  • Northern Ireland to Trieste
Search Deals
27/4
  • 27/4
  • 1 total stop
  • 16h 15m total
  • Northern Ireland to Trieste
Search Deals

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 20 March 2026.
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

Cheapest return flight
Fastest return journey

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Thu 30/4

15:55-08:55

2 stops16h 00m

Trieste Ronchi dei Legionari

Thu 7/5

06:30-21:00

2 stops15h 30m

£135
Cheapest one-way

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Mon 27/4

05:50-23:05

1 stop16h 15m

£58

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Tue 28/4

16:40-19:10

2 stops25h 30m

£65

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Sun 3/5

12:20-15:00

2 stops25h 40m

£84
Fastest single journey

BelfastTrieste

BHD - TRS

BHDTRS

Belfast City

Thu 30/4

15:25-23:50

1 stop7h 25m

£101

BelfastTrieste

BHD - TRS

BHDTRS

Belfast City

Wed 29/4

12:45-10:05

3 stops20h 20m

£109

BelfastTrieste

BFS - TRS

BFSTRS

Belfast Intl

Sat 2/5

11:10-23:45

1 stop11h 35m

£125

BelfastTrieste

BHD - TRS

BHDTRS

Belfast City

Sat 2/5

14:20-23:45

1 stop8h 25m

£134

BelfastTrieste

BHD - TRS

BHDTRS

Belfast City

Fri 1/5

17:55-08:05

2 stops13h 10m

£178

BelfastTrieste

BHD - TRS

BHDTRS

Belfast City

Mon 27/4

17:30-13:55

3 stops19h 25m

£267

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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
No data available for this route at this time. Please check back soon.

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.

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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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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