Cheap Flights from Brussels to Trieste

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Flight deals from Brussels to Trieste Airport

Looking for a cheap last-minute deal or the best return flight from Brussels to Trieste Airport? If you want to travel next month, return fares start from $59. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Brussels to Trieste

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

Direct flights from Brussels to Trieste

Brussels to Trieste: Alternative routes

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

Brussels to Trieste: Flight information

The things to know before you go.
Cheapest flight found$59
Cheapest month to flyApril
Average flight time1 hr, 42 mins
Most popular airlineRyanair
Average flights per week5

Finding cheap flights from Brussels to Trieste: Frequently asked questions

The best price we found for a return flight from Brussels to Trieste is $59. 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.
1 hour and 42 minutes is the average flight time from Brussels to Trieste.
Ryanair and Malta Air fly direct from Brussels to Trieste.
As of March 2026, there are 5 flights per week flying from Brussels to Trieste.
The cheapest month to fly from Brussels to Trieste is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Trieste Airport on Thursday, 9 April 2026.
Yes – the average flight time is 1 hour and 42 minutes.
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.
The cheapest airline that flies to Trieste is Ryanair .

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

  • Planning your getaway begins with figuring out where you'll fly out of in Brussels. Brussels South Charleroi Airport (CRL) is the city's main airport, so explore your options for reserving a flight from Brussels to Trieste Ronchi dei Legionari Airport (TRS) jetting off from here.

  • Trieste Ronchi dei Legionari Airport is located in Trieste. The city's timezone is UTC+1, which is the same as Brussels.

  • Give yourself plenty of time to get on your flight from Brussels to TRS. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Head to the airport even earlier during popular months like September. Aim for two hours before domestic departures and up to four hours for an international flight. After checking in, you can use any extra time to relax or find something to eat.

Airports in Brussels

Brussels Airport (BRU)

  • We make it a breeze to book cheap flights from Brussels to TRS with a stopover. To explore all the options departing from Brussels Airport (BRU), uncheck 'Direct flights only.' Then, select a flight offering a stop long enough to tour the city of your choice. Major stopovers between BRU and TRS include:

    • Frankfurt Airport (FRA)

    • Rome Leonardo da Vinci Fiumicino Airport (FCO)

    • Milano Linate Airport (LIN)

  • The journey from central Brussels to BRU takes around 20 minutes on public transport. If you ride-share, drive or take a taxi, you'll cover the 13 kilometres in 25 minutes or so, depending on traffic.

  • Want an easy start to your break? Stay near Brussels Airport. Whether you're boarding an early flight from Brussels to Trieste Ronchi dei Legionari Airport or want to avoid feeling rushed, these hotels are just what you're after:

  • Of the flights that depart from Brussels Airport, 75% arrive on time at their destination.

Brussels South Charleroi Airport (CRL)

  • You can book a direct Brussels to Trieste Ronchi dei Legionari Airport (TRS) plane ticket out of Brussels South Charleroi Airport (CRL). Decide if leaving from CRL is a better fit for your trip.

  • Get on your direct flight from Brussels to TRS with Ryanair. This is one of the leading carriers operating this route out of CRL.

  • Ryanair attracts the most bookings on the CRL to TRS route.

  • If you're looking for a consistently punctual carrier, go with Ryanair. It boasts an on-time performance of 94.74% for flights between Brussels South Charleroi Airport and Trieste Ronchi dei Legionari Airport.

  • You can arrive at CRL from central Brussels in approximately 55 minutes by car, depending on traffic conditions. The ride on public transport takes roughly 1 hour 15 minutes to travel the 56 kilometres or so.

  • Want to treat yourself to an extra night away before boarding your Brussels to TRS flight? Relax in a hotel near Brussels South Charleroi Airport before your trip officially starts. These stays are expecting you:

  • When it comes to flight punctuality, Brussels South Charleroi Airport has an on-time arrival performance of 78%.

About Trieste Ronchi dei Legionari Airport (TRS)

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Brussels to Trieste Ronchi dei Legionari Airport. Book one of these accommodation options near TRS instead:

  • Lock in the best possible rate by reserving your vehicle around three weeks ahead of your Brussels to Trieste Ronchi dei Legionari Airport flight.

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

  • Trieste Ronchi dei Legionari Airport is around 32 kilometres from the centre of Trieste. It takes around 35 minutes or so to get to the city by car.

  • Travelling by public transport takes around 45 minutes.

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

  • $29 is the lowest price for a one-way ticket from Brussels to Trieste Ronchi dei Legionari Airport. Return flights start at $59. These prices may change based on availability and demand.

  • Book 11 months before travelling. Pricing trends suggest that this is the ideal window for finding cheap flights from Brussels to TRS.

  • Schedule your trip for April. That's the best month for landing a great bargain on Brussels to Trieste Ronchi dei Legionari Airport tickets. If you're flexible with your dates, use the 'Whole month' tool to find the lowest price across each month.

  • Snapping up a cheap plane ticket from Brussels to TRS is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as prices go down.

  • Filters make it easier to save some cash on your flight from Brussels to Trieste Ronchi dei Legionari Airport. Choose the departure times, airlines and number of stops that make sense for you. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

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

  • It's time to work out your travel dates for your flight from Brussels to Trieste Ronchi dei Legionari Airport (TRS). August is when most people visit Trieste. If you like your getaways a little more chill, think about going in December.

  • The warmest month in Trieste is August, with temperatures ranging between 17ºC and 31ºC. Book your Brussels to TRS plane ticket then if that's your definition of good weather.

  • January has temperatures of between 0ºC and 9ºC. Look for cheap tickets from Brussels to Trieste Ronchi dei Legionari Airport around that time if you like cooler conditions.

More about Trieste

  • Start your Trieste trip right by choosing the ideal place to stay. As soon as you've booked your flight from Brussels to Trieste Ronchi dei Legionari Airport, check out our range of hotels including:

  • There are plenty of terrific things to do in Trieste when you're ready to sightsee. Kick things off at Canale Grande followed by Miramare Castle and Riserva Naturale Marina di Miramare.

Explore more of Italy

  • You've visited Trieste, now it's time to explore more of Italy. Travel about 225 kilometres southwest to Bologna to tick off its top attractions. From Piazza Maggiore to St. Peter's Basilica Church and Two Towers, you'll have a packed itinerary ahead.

  • Around 290 kilometres southwest of Trieste, Florence is another essential stop in Italy. Experience the best of this destination with a visit to 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.