Cheap Flights from Trieste to Lisbon

Compare Trieste to Lisbon flight deals

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

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Flight deals from Trieste Airport to Lisbon Airport

Looking for a cheap last-minute deal or the best return flight from Trieste Airport to Lisbon Airport? If you want to travel next month, return fares start from Rs34,810. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Trieste to Lisbon

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

Trieste to Lisbon: Alternative routes

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

Trieste to Lisbon: Flight information

The things to know before you go.
Cheapest flight foundRs14,145
Cheapest month to flyApril

Finding cheap flights from Trieste to Lisbon: Frequently asked questions

The best price we found for a return flight from Trieste to Lisbon is Rs34,810. 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 Trieste to Lisbon. But we found flights with one or more stops from Rs34,810.
As of March 2026, there are no flights flying from Trieste to Lisbon.
The cheapest month to fly from Trieste to Lisbon is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Trieste Airport to Lisbon Airport on Monday, 20 April 2026.
No airlines currently offer direct flights between Trieste Airport and Lisbon 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 Lisbon 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 Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Lisbon.

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

  • Lisbon is one hour behind Trieste and is in the UTC+0 timezone.

  • Arrive at the airport on time so you don't miss your TRS to LIS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • You can expect bigger queues during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a good idea.

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

  • Rs14,145 is currently the lowest price for a one-way Trieste - Friuli Venezia Giulia Airport to Lisbon Portela Airport flight. Return flights start from Rs34,810. These prices may change based on demand and availability.

  • To find cheap tickets from TRS to LIS, book early. Airlines tend to offer their most competitively priced fares when flights are first released.

  • The 'Whole month' search tool shows you the cheapest flights from Trieste - Friuli Venezia Giulia Airport to Lisbon Portela Airport across each month. It's an easy way to find a bargain if your dates aren't set in stone.

  • Getting your hands on cheap flights from TRS to LIS is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Select your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Trieste - Friuli Venezia Giulia Airport to Lisbon Portela Airport.

Handy information about Trieste - Friuli Venezia Giulia Airport (TRS)

  • Trieste - Friuli Venezia Giulia Airport scores high marks for on-time performance. 84.1% of flights that take off from TRS arrive at their destination on time.

  • To reach Trieste - Friuli Venezia Giulia Airport from central Trieste, it takes around 40 minutes by car. This depends on traffic though. It's approximately 40 kilometres from the airport to the city centre.

  • The journey when using public transport takes roughly 55 minutes.

  • Get your break off to a leisurely start by staying near TRS. Whether you've booked an early flight from Trieste - Friuli Venezia Giulia Airport to Lisbon Portela Airport or just don't want to be rushed, these hotels are the answer:

Arriving at Lisbon Portela Airport (LIS)

  • The last thing you need is a long journey to your hotel if you're arriving on a late Trieste - Friuli Venezia Giulia Airport to Lisbon Portela Airport flight. Stay at one of these accommodation options near LIS instead:

  • Go where the road takes you with a Lisbon Portela Airport rental car. Pick up a set of wheels from Klass Wagen, Goldcar or OK Mobility and venture far and wide through Lisbon and beyond.

  • For the lowest price, reserve your vehicle from Lisbon Portela Airport around two weeks before you travel.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport to central Lisbon has a drive time of about 20 minutes. It's approximately 10 kilometres away.

  • If you're travelling on public transport, expect a journey of about 1 hour.

When to fly to Lisbon Portela Airport (LIS)

  • June is the busiest month for flights from Trieste - Friuli Venezia Giulia Airport to Lisbon Portela Airport. To avoid the crowds, go to Lisbon in January.

  • When booking your flight from Trieste - Friuli Venezia Giulia Airport to Lisbon Portela Airport, think about the kind of weather you enjoy. August is the warmest month in Lisbon, with the temperature ranging from 16ºC to 29ºC.

  • If you like travelling in cooler conditions, search for a cheap ticket from TRS to LIS in January. Average temperatures are between 8ºC and 16ºC then.

Explore more of Portugal

  • You've visited Lisbon, now it's time to explore other corners of Portugal. Travel about 274 kilometres north to Porto to tick off its leading sights. From Livraria Lello to Ribeira District and The Douro River, there's plenty to keep you on the go.

  • Around 8 kilometres north-west of Lisbon, Amadora is another favourite stop in Portugal. No visit is complete without checking out Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

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