Cheap flight tickets from Brussels International to Trieste

Compare Brussels International to Trieste flight deals

Find the cheapest month or even day of the year to fly to Trieste

Book the best Trieste fare with no extra fees

Flight deals from Brussels International to Trieste

Looking for a cheap last-minute deal or the best return flight from Brussels International to Trieste? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Brussels International to Trieste

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

Brussels International to Trieste: Alternative routes

Compare routes from Brussels International 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 foundRM676
Cheapest month to flyJuly

Finding cheap flights from Brussels International to Trieste: Frequently asked questions

The best price we found for a return flight from Brussels International to Trieste is RM675. 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 Brussels International to Trieste. But we found flights with one or more stops from RM676.
As of February 2026, there are no flights flying from Brussels International to Trieste.
The cheapest month to fly from Brussels International to Trieste is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Brussels International Airport to Trieste Airport on Friday, 24 July 2026.
No airlines currently offer direct flights between Brussels International Airport 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.
Currently, ITA Airways offers the cheapest flight tickets to Trieste.

Flying from Brussels Airport (BRU) to Trieste - Friuli Venezia Giulia Airport (TRS): what you need to know

  • Brussels and Trieste are in the same timezone, UTC+1.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to catch your BRU to TRS flight.

  • During popular months like July, you'll want to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during a peak period in general.

  • If you'd like to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Brussels Airport to Trieste - Friuli Venezia Giulia Airport. Here are the most popular stopovers between BRU and TRS:

    • Milano Linate Airport

    • Frankfurt Airport

    • Leonardo da Vinci-Fiumicino Airport

How to find the cheapest flights from Brussels Airport (BRU) to Trieste - Friuli Venezia Giulia Airport (TRS)

  • The lowest price we've found for a one-way Brussels Airport to Trieste - Friuli Venezia Giulia Airport flight is RM345. A return plane ticket is currently RM676. Depending on the availability when you book, these fares may change.

  • It's usually best to book in advance if you want to get cheap tickets from BRU to TRS. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search tool shows you the cheapest flights from Brussels Airport to Trieste - Friuli Venezia Giulia Airport across every month. It's a good way to snap up a bargain if your travel plans are flexible.

  • You won't have to check every day to see if fares have dropped when you set up a Price Alert. We'll send you an update as soon as there's a change in price on cheap flights from BRU to TRS.

  • Secure the ideal flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Brussels Airport to Trieste - Friuli Venezia Giulia Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Brussels Airport (BRU)

  • Of all flights leaving Brussels Airport, 71.97% touch down on time at their destination.

  • Brussels Airport is about 14 kilometres from central Brussels. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Catching public transport? You can expect a journey time of around 40 minutes.

  • Looking for a handy hotel near BRU? If you're catching an early flight from Brussels Airport to Trieste - Friuli Venezia Giulia Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at Trieste - Friuli Venezia Giulia Airport (TRS)

Getting from Trieste - Friuli Venezia Giulia Airport (TRS) to central Trieste

  • Trieste - Friuli Venezia Giulia Airport to central Trieste has a drive time of about 40 minutes. It's approximately 40 kilometres away.

  • It'll take around 55 minutes if you're travelling on public transport.

When to fly to Trieste - Friuli Venezia Giulia Airport (TRS)

  • July is the most popular month for flights from Brussels Airport to Trieste - Friuli Venezia Giulia Airport. To escape the crowds, go to Trieste in April.

  • The warmest month in Trieste is August, with the temperature ranging between 17ºC (63ºF) and 30ºC (86ºF). Lock in your flights from Brussels Airport to Trieste - Friuli Venezia Giulia Airport in this month if this is the kind of weather you like.

  • If you want to travel in cooler conditions, look for a cheap ticket from BRU to TRS in January. Average temperatures are between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of Italy

  • Rome is just one of the many cities in Italy waiting to be discovered once you've taken in the sights of Trieste. Around 434 kilometres away to the south, well-known attractions include Colosseum, World’s smallest country Vatican City tour - City of Rome Capital, Italy (Self-Guided free walking tour) by FreeGuides.com and Trevi Fountain.

  • Around 354 kilometres west of Trieste, Milan is another favourite stop in Italy. No visit is complete without checking out Grande Museo del Duomo di Milano, Milan Cathedral and The Last Supper Museum.

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