$185 Cheap Flights from London (LHR) to Trieste (TRS)

View $185 flight on Mon, Sep 15, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Friuli Venezia Giulia Airport (TRS)

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Cheap Flights from London to Trieste (LHR-TRS)

Prices were available within the past 7 days and start at $185 for one-way flights and $235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Oct 16 - Sun, Oct 19
LHR
London
TRS
Trieste
$235 Roundtrip, found 2 hours ago
$235
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Thu, Oct 16 from London to Trieste, returning Sun, Oct 19, priced at $235 found 2 hours ago
Lufthansa
Sat, Sep 20 - Sat, Sep 27
LHR
London
TRS
Trieste
$236 Roundtrip, found 4 days ago
$236
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Sep 20 from London to Trieste, returning Sat, Sep 27, priced at $236 found 4 days ago
Lufthansa
Sat, Mar 7 - Sat, Mar 28
LHR
London
TRS
Trieste
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Mar 7 from London to Trieste, returning Sat, Mar 28, priced at $238 found 2 days ago
Lufthansa
Thu, Oct 16 - Sun, Oct 19
LHR
London
TRS
Trieste
$250 Roundtrip, found 2 hours ago
$250
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Thu, Oct 16 from London to Trieste, returning Sun, Oct 19, priced at $250 found 2 hours ago
Lufthansa
Sun, Sep 7 - Sun, Sep 14
LHR
London
TRS
Trieste
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sun, Sep 7 from London to Trieste, returning Sun, Sep 14, priced at $251 found 5 days ago
Lufthansa
Fri, Nov 14 - Sun, Nov 16
LHR
London
TRS
Trieste
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Nov 14 from London to Trieste, returning Sun, Nov 16, priced at $252 found 1 day ago
Lufthansa
Tue, Sep 2 - Sat, Sep 13
LHR
London
TRS
Trieste
$253 Roundtrip, found 17 hours ago
$253
Roundtrip
found 17 hours ago
Select Lufthansa flight, departing Tue, Sep 2 from London to Trieste, returning Sat, Sep 13, priced at $253 found 17 hours ago
Lufthansa
Sat, Sep 20 - Sat, Sep 27
LHR
London
TRS
Trieste
$255 Roundtrip, found 4 days ago
$255
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Sep 20 from London to Trieste, returning Sat, Sep 27, priced at $255 found 4 days ago
KLM
Wed, Oct 8 - Wed, Oct 15
LHR
London
TRS
Trieste
$421 Roundtrip, found 1 day ago
$421
Roundtrip
found 1 day ago
Select KLM flight, departing Wed, Oct 8 from London to Trieste, returning Wed, Oct 15, priced at $421 found 1 day ago
Air France
Wed, Oct 8 - Wed, Oct 15
LHR
London
TRS
Trieste
$562 Roundtrip, found 1 day ago
$562
Roundtrip
found 1 day ago
Select Air France flight, departing Wed, Oct 8 from London to Trieste, returning Wed, Oct 15, priced at $562 found 1 day ago

Alternative airports near Trieste

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Friuli Venezia Giulia TRS. Cheapest and Closest option available. Average driving time to city center is 33 minutes. Flights from $284
TRS
Friuli Venezia Giulia
CheapestClosest
Average driving time to city center33 min
Flights from $284
Flights from London (LHR) to Trieste (TRS)
Origin airport
Heathrow
Destination airport
Friuli Venezia Giulia
Airlines serving
Air France, KLM, Lufthansa
Roundtrip price
$235
Distance
744 mi

London to Trieste Flights

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

 

The best time to book a flight from London to Trieste

Sunday is one of the best days to book for cheap flights from London 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 London 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 London to Trieste in 2025. You can also book with separate airlines for your outbound and return journeys, from $185 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 London 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 London 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.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Friuli Venezia Giulia Airport (TRS) cost?
Discover the latest flight deals from LHR to TRS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LHR to TRS?
The cheapest flights from LHR to TRS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from LHR to TRS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from LHR to TRS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Heathrow Airport (LHR) to Friuli Venezia Giulia Airport (TRS)?
Nonstop flights from Heathrow Airport (LHR) to Friuli Venezia Giulia Airport (TRS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LHR to TRS?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Friuli Venezia Giulia Airport (TRS)?
To land at Friuli Venezia Giulia Airport (TRS) without delays, select a flight that leaves from Heathrow Airport (LHR) 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 Heathrow Airport (LHR) to Friuli Venezia Giulia Airport (TRS) last-minute?
Booking your ticket from LHR to TRS just before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a LHR to TRS flight and hotel package?
Securing a LHR to TRS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Friuli Venezia Giulia Airport (TRS)?
Generally, it's possible to reschedule or cancel your LHR to TRS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.