$158 Cheap Flights from Porto (OPO) to Trieste (TRS)

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Popular airlines from Porto Airport (OPO) to Friuli Venezia Giulia Airport (TRS)

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Cheap Flights from Porto to Trieste (OPO-TRS)

Prices were available within the past 7 days and start at $158 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Friuli Venezia Giulia Airport (TRS) cost?
Get a cheap one-way flight from $158 or cheap return flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Friuli Venezia Giulia Airport (TRS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Friuli Venezia Giulia Airport (TRS)?
Flying in is a good way to save, as it's the cheapest month for flights between OPO and TRS. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Friuli Venezia Giulia Airport (TRS)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from OPO to TRS. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Friuli Venezia Giulia Airport (TRS)?
There are no daily nonstop flights available from Dr. Francisco de Sa Carneiro Airport (OPO) to Friuli Venezia Giulia Airport (TRS). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from OPO to TRS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Friuli Venezia Giulia Airport (TRS)?
To arrive at Friuli Venezia Giulia Airport (TRS) without delays, book a flight that takes off from Dr. Francisco de Sa Carneiro Airport (OPO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Dr. Francisco de Sa Carneiro Airport (OPO) to Friuli Venezia Giulia Airport (TRS) last-minute?
Booking your flight from OPO to TRS right before your getaway is generally more expensive. But if you're flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an OPO to TRS flight and hotel package?
You'll generally save money by booking an OPO to TRS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Friuli Venezia Giulia Airport (TRS)?
It's usually possible to cancel or reschedule your OPO to TRS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Friuli Venezia Giulia
Distance
1149 mi

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Porto to Trieste Flights

The cheapest times to fly from Porto to Trieste

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Porto to Trieste are during the month of . You can find some of the cheapest flights from Porto to Trieste with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto to Trieste

Sunday is one of the best days to book for cheap flights from Porto to Trieste: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Porto to Trieste

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Porto to Trieste in 2025. You can also book with separate airlines for your outbound and return journeys, from $158 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Porto to Trieste flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Porto to Trieste airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Porto to Trieste Flights

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*Available to One Key members.