CA $322 Cheap Flights from Lisbon (LIS) to Trieste (TRS)

View CA $322 flight on Thu, Sep 3, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Lisbon (LIS) to Trieste (TRS)

Prices were available within the past 7 days and start at CA $322 for one-way flights and CA $523 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $523 Roundtrip, found 3 days ago
CA $523
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $523 found 3 days ago
Lufthansa
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $548 Roundtrip, found 3 days ago
CA $548
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $548 found 3 days ago
Lufthansa
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $568 Roundtrip, found 3 days ago
CA $568
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $568 found 3 days ago
Lufthansa
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $598 Roundtrip, found 3 days ago
CA $598
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $598 found 3 days ago
Lufthansa
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $619 Roundtrip, found 3 days ago
CA $619
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $619 found 3 days ago
Lufthansa
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $622 Roundtrip, found 3 days ago
CA $622
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $622 found 3 days ago
ITA Airways
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $703 Roundtrip, found 3 days ago
CA $703
Roundtrip
found 3 days ago
Select ITA Airways flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $703 found 3 days ago
TAP Portugal
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $722 Roundtrip, found 3 days ago
CA $722
Roundtrip
found 3 days ago
Select TAP Portugal flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $722 found 3 days ago
KLM
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $887 Roundtrip, found 3 days ago
CA $887
Roundtrip
found 3 days ago
Select KLM flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $887 found 3 days ago
Air Europa
Sun, Aug 9 - Sat, Aug 15
LIS
Lisbon
TRS
Trieste
CA $1,141 Roundtrip, found 3 days ago
CA $1,141
Roundtrip
found 3 days ago
Select Air Europa flight, departing Sun, Aug 9 from Lisbon to Trieste, returning Sat, Aug 15, priced at CA $1,141 found 3 days ago

Frequently asked questions

How do I find cheap flights from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia)?
To find a cheap flight from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia)?
There are approximately 24 connecting flights per day from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia). Some common connection points include Roissy-Charles de Gaulle (CDG), Adolfo Suarez Madrid-Barajas (MAD), and Schiphol (AMS).
What is the earliest flight from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia)?
The earliest flight from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) typically departs at approximately 5:00 AM local time. This service is offered by KLM and ITA Airways. This is a seasonal service, active in July and October. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia)?
You'll typically find the most flights from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) on a Monday, with around 31 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include TAP Air Portugal, Lufthansa, and Air France.
What are the most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia)?
The most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) are in the morning, from 9am to 12pm. About 35 CAD% of passengers prefer this time. Many major carriers, including TAP Air Portugal, Lufthansa and Air Europa, offer flights during this window. This timing works well because it allows you to start your travel day at a reasonable hour and arrive at your destination with plenty of time to settle in.
How long does it take to fly from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia)?
Flying from LIS to TRS with a connection usually takes about 7 hours 20 minutes, traveling roughly 1,249 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia)?
Select the "Business class" and "First class" filters when looking for LIS to TRS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) flight with Expedia?
It's easy to earn miles on a Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Trieste from Humberto Delgado (LIS)?
If you're planning to travel to Trieste from Humberto Delgado (LIS), you can fly into Friuli Venezia Giulia (TRS) Some flights may connect through major hubs like Dr. Francisco de Sa Carneiro (OPO), Franz Josef Strauss Intl. (MUC), Adolfo Suarez Madrid-Barajas (MAD) before reaching Trieste. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) at the last minute?
Typically, booking a last minute flight from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) flight and hotel package?
Securing a Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia)?
If you booked your Lisbon (LIS-Humberto Delgado) to Trieste (TRS-Friuli Venezia Giulia) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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 if you'd like more information.

Travel information

Origin airport
Humberto Delgado
Destination airport
Friuli Venezia Giulia
Roundtrip price
CA $523
Distance
1997 km

Book with confidence

Lisbon District to Ronchi dei Legionari Flights

The easy way to book your flights from Lisbon to Trieste 

With Expedia, it’s simple to find and book flights to Trieste from Lisbon whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Friuli Venezia Giulia, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Lisbon to Trieste today, tomorrow, or this week.  

 

Save dollars with cheap flights from Humberto Delgado, LIS to Friuli Venezia Giulia, TRS 

Sort your search results by price to find great deals on your flight from Lisbon to Trieste—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Trieste from Lisbon currently is just CA $523 rising to CA $1,141.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Trieste  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Trieste from Lisbon 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Trieste with Expedia today.

Lisbon District to Ronchi dei Legionari Flights

Explore a world of travel with Expedia

*Available to Expedia members.