Cheap Flights from Belfast (BELF) to Trieste (TRS)

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Flight deals from Belfast to Trieste

Looking for a cheap last-minute deal or the best return flight from Belfast to Trieste Airport? If you want to travel next month, return fares start from $236. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Belfast to Trieste

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast to Trieste flights are currently cheapest in June.

Belfast to Trieste: Alternative routes

Compare routes from Belfast to Trieste below. You may find an airport to fly into that's cheaper, faster, or easier than Trieste.

Belfast to Trieste: Flight information

The things to know before you go.
Cheapest flight found$236
Cheapest month to flyJune

Finding cheap flights from Belfast to Trieste: Frequently asked questions

The best price we found for a return flight from Belfast to Trieste is $236. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Belfast to Trieste. But we found flights with one stop from $236.
As of May 2026, there are no flights flying from Belfast to Trieste.
The cheapest month to fly from Belfast to Trieste is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Trieste Airport on Monday, 15 June 2026.
No airlines currently offer direct flights between Belfast and Trieste Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Trieste but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Trieste is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Trieste is easyJet .

Travelling from Belfast to Trieste Ronchi dei Legionari Airport (TRS): What you need to know

  • Trieste Ronchi dei Legionari Airport is located in Trieste. The city runs on the UTC+1 timezone and is one hour ahead of Belfast.

  • To ensure you catch your flight from Belfast to TRS, allow plenty of time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • You can expect longer queues in popular months like June and other peak periods. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a smart move.

Airports in Belfast

Belfast International Airport (BFS)

  • You might be able to make your cheap flight from Belfast to TRS even cheaper with a stopover. Just uncheck 'Direct flights only' during your search to find out where you can stop along the way. London Stansted Airport (STN) is an option when flying out of Belfast International Airport (BFS).

  • The journey from central Belfast to BFS takes around 45 minutes by public transport. If you ride-share, drive or get a taxi, you'll cover the 19 kilometres in 25 minutes or so, depending on traffic conditions.

  • In search of a convenient hotel near Belfast International Airport? If you've booked an early flight from Belfast to Trieste Ronchi dei Legionari Airport, these accommodation options will put you moments from your check-in counter:

  • When it comes to Belfast International Airport's on-time performance, data shows 68% of flights arrive within the expected time frame.

George Best Belfast City Airport (BHD)

  • Fit a stopover into your itinerary at Frankfurt Airport (FRA). It's a key transfer point for flights from Belfast to Trieste Ronchi dei Legionari Airport (TRS) leaving George Best Belfast City Airport.

  • BHD is around 5 kilometres from central Belfast. It'll take 15 minutes or so to get to the airport driving from the city centre. Public transport takes approximately 25 minutes.

  • Get a head start on your holiday with an extra night away from home. Before catching your Belfast to TRS flight, unwind in one of these hotels close to George Best Belfast City Airport:

  • As far as flight punctuality goes, George Best Belfast City Airport has an on-time arrival performance of 69%.

About Trieste Ronchi dei Legionari Airport (TRS)

  • If you're coming in on a late flight from Belfast to Trieste Ronchi dei Legionari Airport, nothing tops the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and resting not long after at one of these hotels near TRS:

  • Say yes to new adventures by picking up a Trieste Ronchi dei Legionari Airport rental car. Grab your wheels from Sicily by Car, Drivalia or Maggiore to explore Trieste and beyond.

  • For the lowest price, book your ride around three weeks in advance of your Belfast to Trieste Ronchi dei Legionari Airport flight.

Getting from Trieste Ronchi dei Legionari Airport (TRS) to central Trieste

  • Central Trieste is around 32 kilometres from Trieste Ronchi dei Legionari Airport and takes about 35 minutes to reach by car. Explore your options for getting into the city, whether that's with a taxi, car hire or ride-share.

  • Travelling by public transport typically takes 45 minutes.

How to find the cheapest flights from Belfast to Trieste Ronchi dei Legionari Airport (TRS)

  • The lowest price we've found for a one-way ticket from Belfast to Trieste Ronchi dei Legionari Airport is $89. For a return flight on this route, the best price is $236. Depending on when you want to go and the availability, these fares may change.

  • To find cheap flights from Belfast to TRS, book in advance. Airlines tend to offer the most competitive fares when tickets first go on sale.

  • If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll give you the lowest price in every month when searching for your Belfast to Trieste Ronchi dei Legionari Airport ticket.

  • Stay on top of deals for plane tickets from Belfast to TRS by creating a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Find a cheap flight from Belfast to Trieste Ronchi dei Legionari Airport by using the search filters. Choose your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Belfast to Trieste Ronchi dei Legionari Airport (TRS)

  • October is the busiest month for flights from Belfast to Trieste Ronchi dei Legionari Airport (TRS). Plan your visit to Trieste in January for a quieter experience.

  • Book a Belfast to TRS plane ticket departing in August if you want to visit the city during its warmest month. Expect temperatures in Trieste to range from 17ºC (63ºF) to 30ºC (86ºF).

  • January sees temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from Belfast to Trieste Ronchi dei Legionari Airport around that time if you like travelling in cooler conditions.

More about Trieste

  • Start your Trieste trip right by choosing the perfect place to stay. After booking your flight from Belfast to Trieste Ronchi dei Legionari Airport, explore our selection of hotels including:

  • Every great adventure has to include some sightseeing. Canale Grande, Miramare Castle and Trieste - Barcolana are attractions you won't want to skip in Trieste.

Explore more of Italy

  • Trieste is easy to fall in love with, but there are so many other parts of Italy just waiting to be discovered. Around 225 kilometres southwest of Trieste, a trip to Bologna will keep you on the go. Start with leading sights like Delicious Bologna - Bologna Food Tour, Piazza Maggiore and Quadrilatero.

  • Florence is another must-experience destination in Italy and is around 290 kilometres southwest of Trieste. No journey is complete without seeing Brunelleschi's Dome, David of Michelangelo and Uffizi Gallery.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.