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Cheap Flights from Trieste (TRS) to Brussels (BRUS)

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Flight deals from Trieste to Brussels

Looking for a cheap last-minute deal or the best return flight from Trieste Airport to Brussels? If you want to travel next month, return fares start from $75. Find the lowest prices on one-way and return tickets right here.
Brussels.$51 per passenger.Departing Thu, 11 Jun, returning Tue, 16 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Thu, 11 Jun, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Tue, 16 Jun, arriving in Trieste.Price includes taxes and charges.From $51, select.
Brussels.$65 per passenger.Departing Tue, 28 Jul, returning Tue, 4 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Tue, 28 Jul, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Tue, 4 Aug, arriving in Trieste.Price includes taxes and charges.From $65, select.
Brussels.$74 per passenger.Departing Thu, 15 Oct, returning Tue, 20 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Thu, 15 Oct, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Tue, 20 Oct, arriving in Trieste.Price includes taxes and charges.From $74, select.
Brussels.$74 per passenger.Departing Tue, 23 Jun, returning Thu, 13 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Tue, 23 Jun, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Thu, 13 Aug, arriving in Trieste.Price includes taxes and charges.From $74, select.
Brussels.$74 per passenger.Departing Thu, 18 Jun, returning Tue, 7 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Thu, 18 Jun, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Tue, 7 Jul, arriving in Trieste.Price includes taxes and charges.From $74, select.
Brussels.$75 per passenger.Departing Tue, 7 Jul, returning Tue, 21 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Tue, 7 Jul, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Tue, 21 Jul, arriving in Trieste.Price includes taxes and charges.From $75, select.
Brussels.$75 per passenger.Departing Tue, 15 Sep, returning Tue, 29 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Tue, 15 Sep, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Tue, 29 Sep, arriving in Trieste.Price includes taxes and charges.From $75, select.
Brussels.$83 per passenger.Departing Tue, 4 Aug, returning Tue, 18 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Tue, 4 Aug, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Tue, 18 Aug, arriving in Trieste.Price includes taxes and charges.From $83, select.
Brussels.$85 per passenger.Departing Thu, 17 Sep, returning Tue, 6 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Thu, 17 Sep, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Tue, 6 Oct, arriving in Trieste.Price includes taxes and charges.From $85, select.
Brussels.$85 per passenger.Departing Thu, 15 Oct, returning Sun, 1 Nov.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Thu, 15 Oct, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Sun, 1 Nov, arriving in Trieste.Price includes taxes and charges.From $85, select.
Brussels.$88 per passenger.Departing Sat, 29 Aug, returning Thu, 17 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Sat, 29 Aug, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Thu, 17 Sep, arriving in Trieste.Price includes taxes and charges.From $88, select.
Brussels.$101 per passenger.Departing Sun, 15 Nov, returning Fri, 20 Nov.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Sun, 15 Nov, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Fri, 20 Nov, arriving in Trieste.Price includes taxes and charges.From $101, select.
Brussels.$111 per passenger.Departing Sun, 15 Nov, returning Sun, 6 Dec.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Sun, 15 Nov, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Sun, 6 Dec, arriving in Trieste.Price includes taxes and charges.From $111, select.
Brussels.$121 per passenger.Departing Fri, 4 Dec, returning Sun, 6 Dec.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Fri, 4 Dec, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Sun, 6 Dec, arriving in Trieste.Price includes taxes and charges.From $121, select.
Brussels.$121 per passenger.Departing Fri, 8 Jan, returning Sun, 10 Jan.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Fri, 8 Jan, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Sun, 10 Jan, arriving in Trieste.Price includes taxes and charges.From $121, select.
Brussels.$121 per passenger.Departing Fri, 11 Dec, returning Fri, 1 Jan.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Trieste on Fri, 11 Dec, arriving in Brussels S. Charleroi.Inbound direct flight with Ryanair departs from Brussels S. Charleroi on Fri, 1 Jan, arriving in Trieste.Price includes taxes and charges.From $121, select.

Find the cheapest month to fly from Trieste to Brussels

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Trieste to Brussels flights are currently cheapest in June.
Jun
from $51
Jul
from $75
Aug
from $83
Sep
from $75
Oct
from $74
Nov
from $101
Dec
from $121
Jan
from $121
Feb
from $121
Mar
from $121
Apr
from $316
May
Find prices

Direct flights from Trieste to Brussels

Alternative Trieste to Brussels routes

Looking for the cheapest, fastest or easiest route from Trieste to Brussels? You could fly into the following airports instead.

Brussels International

11km from central Brussels
Closest
from $287
Search flights

Antwerp Deurne

39km from central Brussels
Search flights

Brussels S. Charleroi

44km from central Brussels
Cheapest
from $51
Search flights

Liege

80km from central Brussels
Search flights

Kortrijk

81km from central Brussels
Search flights

Trieste to Brussels: Flight information

The things to know before you go.
Cheapest flight found$51
Cheapest month to flyJune
Average flight time1 hr, 45 mins
Average flights per week4

Finding cheap flights from Trieste to Brussels: Frequently asked questions

There are 5 airports in Brussels: Brussels International, Antwerp Deurne, Brussels S. Charleroi, Liege, and Kortrijk.
The best price we found for a return flight from Trieste to Brussels is $51. 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 45 minutes is the average flight time from Trieste to Brussels.
Ryanair and Malta Air fly direct from Trieste to Brussels.
As of June 2026, there are 4 flights per week flying from Trieste to Brussels.
The cheapest month to fly from Trieste to Brussels is usually June.
If you're flying from Trieste Airport, the cheapest airport near Brussels is Brussels S. Charleroi – which is 44.1 km away from the centre of Brussels. We've found flights into this airport from $51.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Trieste Airport to Brussels on Thursday, 11 June 2026.
Yes – the average flight time is 1 hour and 45 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 Brussels 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 Brussels is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 15°C. July is typically the warmest month in Brussels, when it usually averages around 22°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging -0°C. The rainiest month is December.
Currently, Ryanair offers the cheapest flight tickets to Brussels.

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

  • Brussels's timezone is UTC+1, which is the same as Trieste (the location of Trieste Ronchi dei Legionari Airport).

  • With two flights a week between the two airports, Trieste Ronchi dei Legionari Airport (TRS) to Brussels South Charleroi Airport (CRL) is the busiest route. Ryanair operates the earliest flight at 07:45. If you prefer to get more out of your day before jetting off, the last flight from TRS to CRL is with Ryanair at 13:55.

  • Allow plenty of time to get on your TRS to Brussels flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a popular month such as August? School holidays and other popular seasons can lead to longer lines at security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • Start your journey at TRS and travel straight to Brussels South Charleroi Airport (CRL). That's where you can expect to land when searching for Trieste Ronchi dei Legionari Airport to Brussels tickets.

  • Keep your eyes peeled for promotions from Ryanair. This carrier operates direct flights from Trieste Ronchi dei Legionari Airport to Brussels.

  • TRS is about 29 kilometres from central Trieste. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 35 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be around 45 minutes.

  • Planning to catch an early flight from Trieste Ronchi dei Legionari Airport to Brussels? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these hotels close to TRS:

  • 87% of flights leaving Trieste Ronchi dei Legionari Airport arrive at their destination as planned. With its strong performance rating, delays are unlikely when setting off from TRS.

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

  • The best price we've seen for a one-way Trieste Ronchi dei Legionari Airport to Brussels flight is $26. The cheapest price for a return flight is $51. Bear in mind fares may change due to availability at the time of booking.

  • Get cheap flights from TRS to Brussels by booking 11 months ahead. According to our research, that's the best time for bagging a bargain.

  • Plan your trip for April. That's the best month for scoring an incredible deal on Trieste Ronchi dei Legionari Airport to Brussels tickets. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest price across each month.

  • You don't need to check in daily to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's an even better deal on cheap flights from TRS to Brussels.

  • Save on your flight from Trieste Ronchi dei Legionari Airport to Brussels with the help of our filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Brussels

Brussels Airport (BRU)

  • The distance from Brussels Airport (BRU) to central Brussels is roughly 13 kilometres. It'll take you around 25 minutes to get to the centre driving.

  • It takes around 20 minutes when travelling by public transport.

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Trieste Ronchi dei Legionari Airport to Brussels. Book one of these accommodation options near BRU instead:

  • Reserving your ride from Brussels Airport around three weeks before your flight from TRS to Brussels can help you get the lowest rate.

Brussels South Charleroi Airport (CRL)

  • After your flight from Trieste Ronchi dei Legionari Airport to Brussels has hit the runway, you can get to the city centre in around 55 minutes by car. Central Brussels is roughly 56 kilometres from Brussels South Charleroi Airport (CRL).

  • You can expect the trip to take about 1 hour 15 minutes on public transport.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel close to CRL. Here are a few options where you can tuck yourself in after your TRS to Brussels flight:

  • Avoid paying more than you need to. Booking your ride two weeks before your arrival at CRL can help you lock in a better rate.

Best time to go to Brussels

  • December is the quietest month for flights from Trieste Ronchi dei Legionari Airport to Brussels, while September is the most popular. Work out the ideal time to go to Brussels based on whether you like a bustling atmosphere or a more laid-back vibe.

  • Before booking a Trieste Ronchi dei Legionari Airport to Brussels plane ticket, think about the type of weather you enjoy. August is the warmest month in Brussels, with temperatures ranging from 12ºC (54ºF) to 27ºC (81ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from TRS to Brussels in January when temperatures average between -2ºC (28ºF) and 8ºC (46ºF).

More about Brussels

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Brussels right here. Explore these options as soon as you've locked in your flight from Trieste Ronchi dei Legionari Airport to Brussels:

  • Atomium and Grand Place are just a couple of the top attractions to put on your Brussels to-do list. Continue your sightseeing adventures at Royal Palace of Brussels.

Explore more of Belgium

  • Ostend is just one of the many cities in Belgium waiting to be explored after you've seen Brussels. Around 113 kilometres away to the west, popular attractions include Church of Saint Peter and Saint Paul, The Crystal Ship and Mu.ZEE.

  • Verviers is another essential stop in Belgium and is around 113 kilometres east of Brussels. No journey is complete without experiencing Hôtel communal ou Ancienne Halle - Monument classé, Musée d'Archéologie et du Folklore and Musée des Beaux Arts et de la Ceramique.

Plan the rest of your trip from Trieste to Brussels

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.