Cheap Flights from Porto to Trieste

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

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Flight deals from Porto to Trieste

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

Trieste.$164 per passenger.Departing Tue, 21 Apr, returning Tue, 5 May.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Tue, 21 Apr, arriving in Trieste.Inbound indirect flight with Ryanair, departs from Trieste on Tue, 5 May, arriving in Porto.Price includes taxes and charges.From $164, select.

Trieste.$176 per passenger.Departing Wed, 15 Apr, returning Tue, 21 Apr.Return flight with Vueling Airlines and Ryanair.Outbound indirect flight with Vueling Airlines, departs from Porto on Wed, 15 Apr, arriving in Trieste.Inbound indirect flight with Ryanair, departs from Trieste on Tue, 21 Apr, arriving in Porto.Price includes taxes and charges.From $176, select.

Trieste.$241 per passenger.Departing Wed, 11 Mar, returning Thu, 19 Mar.Return flight with Vueling Airlines and Ryanair.Outbound indirect flight with Vueling Airlines, departs from Porto on Wed, 11 Mar, arriving in Trieste.Inbound indirect flight with Ryanair, departs from Trieste on Thu, 19 Mar, arriving in Porto.Price includes taxes and charges.From $241, select.

Trieste.$253 per passenger.Departing Fri, 12 Jun, returning Tue, 16 Jun.Return flight with Vueling Airlines and Ryanair.Outbound indirect flight with Vueling Airlines, departs from Porto on Fri, 12 Jun, arriving in Trieste.Inbound indirect flight with Ryanair, departs from Trieste on Tue, 16 Jun, arriving in Porto.Price includes taxes and charges.From $253, select.

Trieste.$319 per passenger.Departing Tue, 5 May, returning Fri, 8 May.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Tue, 5 May, arriving in Trieste.Inbound indirect flight with Ryanair, departs from Trieste on Fri, 8 May, arriving in Porto.Price includes taxes and charges.From $319, select.

Trieste.$376 per passenger.Departing Sat, 28 Feb, returning Sun, 8 Mar.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Sat, 28 Feb, arriving in Trieste.Inbound indirect flight with Ryanair, departs from Trieste on Sun, 8 Mar, arriving in Porto.Price includes taxes and charges.From $376, select.

Trieste.$386 per passenger.Departing Wed, 25 Mar, returning Wed, 1 Apr.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Wed, 25 Mar, arriving in Trieste.Inbound indirect flight with Ryanair, departs from Trieste on Wed, 1 Apr, arriving in Porto.Price includes taxes and charges.From $386, select.

Trieste.$463 per passenger.Departing Wed, 22 Jul, returning Wed, 29 Jul.Return flight with Vueling Airlines and Ryanair.Outbound indirect flight with Vueling Airlines, departs from Porto on Wed, 22 Jul, arriving in Trieste.Inbound indirect flight with Ryanair, departs from Trieste on Wed, 29 Jul, arriving in Porto.Price includes taxes and charges.From $463, select.

Find the cheapest month to fly from Porto to Trieste

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

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Porto to Trieste: Alternative routes

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

Trieste

31km from central Trieste

ClosestCheapest

from $164

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Ljubljana

83km from central Trieste

from $285

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Porto to Trieste: Flight information

The things to know before you go.

Cheapest flight found	$164
Cheapest month to fly	April

Finding cheap flights from Porto to Trieste: Frequently asked questions

How much are return flights from Porto to Trieste?

The best price we found for a return flight from Porto to Trieste is $164. 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.

Which airlines fly direct from Porto to Trieste?

Currently, there are no airlines that fly direct from Porto to Trieste. But we found flights with one or more stops from $164.

How many flights are there a week from Porto to Trieste?

As of February 2026, there are no flights flying from Porto to Trieste.

When is the cheapest time to fly from Porto to Trieste?

The cheapest month to fly from Porto to Trieste is usually April.

Which upcoming date is cheapest to fly from Porto Airport to Trieste Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Trieste Airport on Tuesday, 21 April 2026.

Can I get a direct flight from Porto Airport to Trieste Airport?

No airlines currently offer direct flights between Porto Airport and Trieste Airport. Most routes have one or more stops.

How can I find the best flight deal to Trieste?

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.

When is the best time to book flights to Trieste?

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.

Which is the cheapest airline to fly from Porto Airport to Trieste with?

Currently, Ryanair offers the cheapest flight tickets to Trieste.

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

The timezone in Trieste is UTC+1, which is one hour ahead of Porto.
Arrive at the airport on time so you don't miss your OPO to TRS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
Flying during a peak month such as August? Major public holidays and other popular seasons can result in longer lines at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.
We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Porto Airport to Trieste - Friuli Venezia Giulia Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to visit your chosen city. Top stopovers between OPO and TRS include:
- Frankfurt Airport
- Barcelona-El Prat Airport
- Seville Airport

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

The lowest price we've seen for a one-way Porto Airport to Trieste - Friuli Venezia Giulia Airport flight is $77. A round-trip fare is currently $164. Depending on the availability when you book, these fares could change.
It's usually smart to book ahead of time if you want to find cheap tickets from OPO to TRS. That's because airlines adjust prices based on demand, which tends to increase closer to departure.
The 'Whole month' search tool shows you the cheapest flights from Porto Airport to Trieste - Friuli Venezia Giulia Airport across the month. It's a great way to find a bargain if your travel dates aren't set in stone.
You won't have to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment there's a better deal on cheap flights from OPO to TRS.
Select your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Porto Airport to Trieste - Friuli Venezia Giulia Airport.

Handy information about Porto Airport (OPO)

When it comes to the on-time performance of Porto Airport, 74.49% of flights complete their journey on time.
To get to Porto Airport from central Porto, it'll take about 20 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 16 kilometres from the airport to the city centre.
Planning to catch public transport? You can expect a journey time of around 50 minutes.
Searching for a convenient hotel close to OPO? If you're boarding an early flight from Porto Airport to Trieste - Friuli Venezia Giulia Airport, these accommodation options will put you moments from your departure gate:

Arriving at Trieste - Friuli Venezia Giulia Airport (TRS)

The last thing you need is a lengthy journey to your hotel if you're getting in late on a Porto Airport to Trieste - Friuli Venezia Giulia Airport flight. Stay at one of these accommodation options near TRS instead:
Pick up a Trieste - Friuli Venezia Giulia Airport rental car and explore Trieste and beyond with your own set of wheels. Sicily by Car, Drivalia and Maggiore are well-known companies to choose from here.
Secure the lowest price by booking your vehicle from Trieste - Friuli Venezia Giulia Airport about three weeks before your departure date.

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

Trieste - Friuli Venezia Giulia Airport to the centre of Trieste has a drive time of around 40 minutes. It's approximately 40 kilometres away.
Travelling by public transport takes roughly 55 minutes.

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

The quietest month for a flight from Porto Airport to Trieste - Friuli Venezia Giulia Airport is April, while July is the most popular. Pick the ideal time to visit Trieste based on whether you prefer a laid-back vibe or a more bustling atmosphere.
The warmest month in Trieste is August, with the temperature ranging between 17ºC and 30ºC. Book your flights from Porto Airport to Trieste - Friuli Venezia Giulia Airport in this month if you enjoy this type of weather.
If you want to travel in cooler conditions, search for a cheap ticket from OPO to TRS in January. Average temperatures are between 0ºC and 9ºC then.

Explore more of Italy

Trieste is easy to fall in love with, but there are so many other parts of Italy you should also see. Around 434 kilometres south of Trieste, a visit to Rome will keep you on the go. Start with leading sights like 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 interested in discovering another side of Italy, head for Milan, roughly 354 kilometres west of Trieste. Grande Museo del Duomo di Milano, Milan Cathedral and The Last Supper Museum are the start of reasons to visit.