Cheap Flights from Lisbon to Trieste

Your route at a glance

Cheapest dealج.م.‏ 5,094
Cheapest monthJanuary
Most popular airlineLufthansa

Compare Lisbon to Trieste flight deals

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

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Flight deals from Lisbon to Trieste

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

Find the cheapest month to fly from Lisbon to Trieste

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

Lisbon to Trieste: Alternative routes

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

Finding cheap flights from Lisbon to Trieste: Frequently asked questions

The best price we found for a return flight from Lisbon to Trieste is ج.م.‏ 5,094. 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 Lisbon to Trieste. But we found flights with one or more stops from ج.م.‏ 5,094.
As of December 2025, there are no flights flying from Lisbon to Trieste.
The cheapest month to fly from Lisbon to Trieste is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to Trieste Airport on Saturday, 17 January 2026.
No airlines currently offer direct flights between Lisbon 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, Ryanair offers the cheapest flight tickets to Trieste.

Travelling from Lisbon Portela Airport (LIS) to Trieste - Friuli Venezia Giulia Airport (TRS): what you need to know

  • Trieste is one hour ahead of Lisbon and follows the UTC+1 timezone.

  • Give yourself plenty of time to catch your LIS to TRS flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as June, it's best to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of an international flight when you travel during peak periods in general.

  • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Lisbon Portela Airport to Trieste - Friuli Venezia Giulia Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to explore the city of your choice. Top stopovers between LIS and TRS include:

    • Barcelona-El Prat Airport

    • Leonardo da Vinci-Fiumicino Airport

    • Frankfurt Airport

How to find the cheapest flights from Lisbon Portela Airport (LIS) to Trieste - Friuli Venezia Giulia Airport (TRS)

  • The cheapest price we've seen for a one-way Lisbon Portela Airport to Trieste - Friuli Venezia Giulia Airport flight is ج.م.‏ 2,401. A return plane ticket right now is ج.م.‏ 5,093. Depending on the availability when you book, these fares may change.

  • To get your hands on cheap tickets from LIS to TRS, book in advance. Airlines tend to offer their most competitively priced fares when flights are first made available.

  • Finding cheap flights from Lisbon Portela Airport to Trieste - Friuli Venezia Giulia Airport is easier if you can be flexible with your dates. Use the 'Whole month' search function to see the best prices across each month and bag a great deal.

  • Getting your hands on cheap flights from LIS to TRS is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when a new discounted fare appears.

  • Discover the perfect flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Lisbon Portela 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 Lisbon Portela Airport (LIS)

  • When it comes to the on-time performance of Lisbon Portela Airport, data shows 64.1% of flights complete their journey on time.

  • To reach Lisbon Portela Airport from central Lisbon, it'll take around 20 minutes by car. This depends on traffic, however. It's approximately 10 kilometres from the airport to the city centre.

  • Expect a journey time of around 1 hour when using public transport.

  • Get your break off to a relaxed start by staying near LIS. Whether you're boarding an early flight from Lisbon Portela Airport to Trieste - Friuli Venezia Giulia Airport or want to avoid feeling rushed, these hotels have you covered:

Arriving at Trieste - Friuli Venezia Giulia Airport (TRS)

  • If you're coming in on a late Lisbon Portela Airport to Trieste - Friuli Venezia Giulia Airport flight, nothing beats the convenience of being close to the terminal. Collect your bags from the carousel and then be showered and relaxing shortly after at one of these hotels near TRS:

  • Get on the fast track to adventure by picking up a Trieste - Friuli Venezia Giulia Airport rental car. Grab a set of wheels from Sicily by Car, Drivalia or Maggiore to explore Trieste and beyond.

  • Lock in the best deal by booking your vehicle from Trieste - Friuli Venezia Giulia Airport about three weeks ahead of your trip.

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

  • Trieste - Friuli Venezia Giulia Airport is approximately 40 kilometres from central Trieste. The drive time takes around 40 minutes.

  • It typically takes 55 minutes if you're using public transport.

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

  • It's time to plan your dates for your flight from Lisbon Portela Airport to Trieste - Friuli Venezia Giulia Airport. July is the busiest month to visit Trieste. If you'd like a more laid-back vibe, go in April.

  • Lock in your flight from Lisbon Portela Airport to Trieste - Friuli Venezia Giulia Airport for August if you want to visit Trieste during its warmest month. Expect temperatures of between 17ºC and 30ºC.

  • Look for cheap tickets from LIS to TRS in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC and 9ºC on average.

Explore more of Italy

  • Rome is just one of the many places in Italy waiting to be explored once you've seen Trieste. Around 434 kilometres away to the south, popular 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.

  • If you're eager to discover another major destination in Italy, head for Milan, about 354 kilometres west of Trieste. Grande Museo del Duomo di Milano, Milan Cathedral and The Last Supper Museum are highlights.

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