$162 Cheap Flights from Trieste (TRS) to Lisbon (LIS)

View $162 flight on Wed, Nov 12, 2025Opens in a new window

Popular airlines from Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Trieste to Lisbon (TRS-LIS)

Prices were available within the past 7 days and start at $162 for one-way flights and $266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, Oct 28 - Tue, Nov 4
TRS
Trieste
LIS
Lisbon
$266 Roundtrip, found 6 days ago
$266
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Oct 28 from Trieste to Lisbon, returning Tue, Nov 4, priced at $266 found 6 days ago
Lufthansa
Wed, Oct 8 - Thu, Oct 16
TRS
Trieste
LIS
Lisbon
$295 Roundtrip, found 2 days ago
$295
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Oct 8 from Trieste to Lisbon, returning Thu, Oct 16, priced at $295 found 2 days ago
Lufthansa
Tue, Oct 28 - Tue, Nov 4
TRS
Trieste
LIS
Lisbon
$299 Roundtrip, found 6 days ago
$299
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Oct 28 from Trieste to Lisbon, returning Tue, Nov 4, priced at $299 found 6 days ago
Lufthansa
Tue, Oct 7 - Thu, Oct 16
TRS
Trieste
LIS
Lisbon
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Oct 7 from Trieste to Lisbon, returning Thu, Oct 16, priced at $319 found 2 days ago
Lufthansa
Tue, Oct 28 - Tue, Nov 4
TRS
Trieste
LIS
Lisbon
$334 Roundtrip, found 6 days ago
$334
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Oct 28 from Trieste to Lisbon, returning Tue, Nov 4, priced at $334 found 6 days ago
Lufthansa
Tue, Oct 28 - Tue, Nov 4
TRS
Trieste
LIS
Lisbon
$336 Roundtrip, found 6 days ago
$336
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Oct 28 from Trieste to Lisbon, returning Tue, Nov 4, priced at $336 found 6 days ago
ITA Airways
Sat, Nov 8 - Sat, Nov 15
TRS
Trieste
LIS
Lisbon
$349 Roundtrip, found 22 hours ago
$349
Roundtrip
found 22 hours ago
Select ITA Airways flight, departing Sat, Nov 8 from Trieste to Lisbon, returning Sat, Nov 15, priced at $349 found 22 hours ago
Air Dolomiti
Tue, Oct 28 - Tue, Nov 4
TRS
Trieste
LIS
Lisbon
$354 Roundtrip, found 6 days ago
$354
Roundtrip
found 6 days ago
Select Air Dolomiti flight, departing Tue, Oct 28 from Trieste to Lisbon, returning Tue, Nov 4, priced at $354 found 6 days ago
TAP Portugal
Fri, Jan 2 - Mon, Jan 5
TRS
Trieste
LIS
Lisbon
$455 Roundtrip, found 1 day ago
$455
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Fri, Jan 2 from Trieste to Lisbon, returning Mon, Jan 5, priced at $455 found 1 day ago
Air Europa
Wed, Oct 29 - Wed, Nov 5
TRS
Trieste
LIS
Lisbon
$811 Roundtrip, found 5 hours ago
$811
Roundtrip
found 5 hours ago
Select Air Europa flight, departing Wed, Oct 29 from Trieste to Lisbon, returning Wed, Nov 5, priced at $811 found 5 hours ago

Frequently asked questions

How much does a flight from Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS) cost?
Grab a cheap one-way flight from $162 or cheap return flight from $266 from Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS)?
Planning your trip for October is a good way to save, as it's the cheapest month for flights between TRS and LIS. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from TRS to LIS. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS)?
You'll need to hop on a flight with a layover when traveling from Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from TRS to LIS?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS)?
To reach Humberto Delgado Airport (LIS) on time, choose a flight that leaves Friuli Venezia Giulia Airport (TRS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS) last-minute?
Waiting until just before your trip to book a flight from TRS to LIS often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Be flexible with your itinerary for the best chance of snagging a bargain.
Is it cheaper to book a TRS to LIS flight and hotel package?
You'll generally save money by booking a TRS to LIS 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 it all in one place. After choosing your preferred flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Friuli Venezia Giulia Airport (TRS) to Humberto Delgado Airport (LIS)?
If you reserved your TRS to LIS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Friuli Venezia Giulia
Destination airport
Humberto Delgado
Airlines serving
Air Europa, ITA Airways, Lufthansa, TAP Portugal, Turkish Airlines
Roundtrip price
$266
Distance
1248 mi

Book with confidence

Book with confidence

Trieste to Lisbon Flights

The cheapest times to fly from Trieste to Lisbon

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 Trieste to Lisbon are during the month of October. You can find some of the cheapest flights from Trieste to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trieste to Lisbon

Sunday is one of the best days to book for cheap flights from Trieste to Lisbon: 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 Trieste to Lisbon

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 Trieste to Lisbon in 2025. You can also book with separate airlines for your outbound and return journeys, from $162 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 Trieste to Lisbon 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 Trieste to Lisbon 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.

 

Trieste to Lisbon Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.