Cheap Flights from Trieste to Porto

Compare Trieste to Porto flight deals

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

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Flight deals from Trieste to Porto

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

Find the cheapest month to fly from Trieste to Porto

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

Trieste to Porto: Alternative routes

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

Trieste to Porto: Flight information

The things to know before you go.
Cheapest flight found$196
Cheapest month to flyApril

Finding cheap flights from Trieste to Porto: Frequently asked questions

The best price we found for a return flight from Trieste to Porto is $196. 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 Porto. But we found flights with one or more stops from $196.
As of March 2026, there are no flights flying from Trieste to Porto.
The cheapest month to fly from Trieste to Porto is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Trieste Airport to Porto Airport on Saturday, 18 April 2026.
No airlines currently offer direct flights between Trieste Airport and Porto 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 Porto 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 Porto is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Porto.

Travelling from Trieste - Friuli Venezia Giulia Airport (TRS) to Porto Airport (OPO): what you need to know

  • Porto's timezone is UTC+0, making Porto one hour behind Trieste.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Get to the airport on time to board your TRS to OPO flight.

  • Travelling during a peak month like July? Public holidays and other popular periods can lead to longer lines at security. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

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

  • $84 is the best price for a one-way Trieste - Friuli Venezia Giulia Airport to Porto Airport flight. A return flight starts from $196. These fares can change depending on demand and availability.

  • To get your hands on cheap tickets from TRS to OPO, book ahead. Airlines typically offer their best fares when flights are first made available.

  • Finding cheap flights from Trieste - Friuli Venezia Giulia Airport to Porto Airport is easier if you're flexible with your travel plans. Use the 'Whole month' search tool to see the best prices across every month and land a great deal.

  • Landing cheap flights from TRS to OPO couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.

  • Tailor your flights using filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Trieste - Friuli Venezia Giulia Airport to Porto Airport.

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

  • 84.1% of flights departing from Trieste - Friuli Venezia Giulia Airport touch down at their destination as planned. Given its impressive on-time stats, you're unlikely to be delayed when taking off from TRS.

  • Central Trieste to Trieste - Friuli Venezia Giulia Airport is approximately 40 kilometres. Depending on traffic, it'll take about 40 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The trip on public transport takes roughly 55 minutes.

  • Searching for a handy hotel near TRS? If you're boarding an early flight from Trieste - Friuli Venezia Giulia Airport to Porto Airport, these accommodation options will put you moments from your check-in counter:

Arriving at Porto Airport (OPO)

  • The last thing you want is a long trip to your hotel if you're arriving on a late Trieste - Friuli Venezia Giulia Airport to Porto Airport flight. Reserve one of these accommodation options near OPO instead:

  • Hit the road running by picking up a Porto Airport rental car. Grab your wheels from Klass Wagen, Goldcar or Drive & Go to explore Porto and beyond.

  • Booking your vehicle from Porto Airport about three weeks in advance can help you get the best possible rate.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport to central Porto has a drive time of about 20 minutes. It's approximately 16 kilometres away.

  • It takes roughly 50 minutes if you're using public transport.

When to fly to Porto Airport (OPO)

  • August is the most popular month for flights from Trieste - Friuli Venezia Giulia Airport to Porto Airport. For smaller crowds, go to Porto in January.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC and 32ºC. Book your flights from Trieste - Friuli Venezia Giulia Airport to Porto Airport in this month if you like this kind of weather.

  • For cooler conditions, look for a cheap ticket from TRS to OPO in January. Temperatures average between 3ºC and 14ºC then.

Explore more of Portugal

  • Lisbon is just one of the many places in Portugal waiting to be explored once you've seen Porto. Around 274 kilometres away to the south, well-known attractions include Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.

  • Amadora is another sought-after destination in Portugal and is around 274 kilometres south of Porto. No journey is complete without experiencing 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.