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Find cheap flights from London Heathrow Airport to Trieste from £117

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Trieste departing on 22/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 12/6
Wed 19/6

Search hundreds of travel sites at once for deals on flights to Trieste

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Trieste, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Trieste, as well as popular online travel agencies
In the last 7 days, travellers have searched 41,771,603 times on KAYAK, and here's why:

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Cheap flight deals from Heathrow to Trieste (LHR-TRS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Heathrow to Trieste that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
15:30 - 22:30LHR-TRS
6h 00m1 stop
14:50 - 20:40TRS-LHR
6h 50m1 stop
£142Lufthansa
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Tue, 3 Sep - Thu, 12 Sep
06:30 - 14:15LHR-TRS
6h 45m1 stop
06:35 - 10:40TRS-LHR
5h 05m1 stop
£144Lufthansa
Find Deal
Wed, 11 Sep - Sun, 15 Sep
09:30 - 14:15LHR-TRS
3h 45m1 stop
06:35 - 16:40TRS-LHR
11h 05m1 stop
£145Lufthansa
Find Deal
Fri, 13 Sep - Sun, 15 Sep
15:30 - 22:30LHR-TRS
6h 00m1 stop
06:35 - 15:40TRS-LHR
10h 05m1 stop
£145Lufthansa
Find Deal
Thu, 29 Aug - Thu, 5 Sep
07:30 - 22:30LHR-TRS
14h 00m1 stop
06:35 - 16:40TRS-LHR
11h 05m1 stop
£146Lufthansa
Find Deal
Sat, 29 Jun - Wed, 3 Jul
15:30 - 22:30LHR-TRS
6h 00m1 stop
15:15 - 22:40TRS-LHR
8h 25m2 stops
£232
Find Deal
Fri, 6 Sep - Mon, 9 Sep
08:40 - 18:35LHR-TRS
8h 55m2 stops
06:40 - 17:35TRS-LHR
11h 55m2 stops
£238KLM
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Wed, 14 Aug - Tue, 20 Aug
20:50 - 10:25LHR-TRS
12h 35m2 stops
11:15 - 12:30TRS-LHR
26h 15m3 stops
£240
Find Deal
Tue, 1 Oct - Thu, 3 Oct
11:45 - 22:50LHR-TRS
10h 05m2 stops
06:40 - 17:35TRS-LHR
11h 55m2 stops
£257KLM
Find Deal
Wed, 14 Aug - Wed, 21 Aug
19:45 - 18:35LHR-TRS
21h 50m2 stops
15:15 - 21:25TRS-LHR
7h 10m2 stops
£422Air France
Find Deal
Wed, 10 Jul - Mon, 15 Jul

Flights from Heathrow to Trieste - Travel Insights & Trends

Get data-powered insights and trends into flights from Heathrow to Trieste to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from London Heathrow Airport to Trieste?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London Heathrow Airport to Trieste, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London Heathrow Airport to Trieste is September, where tickets cost £82 on average. On the other hand, the most expensive months are December and January, where the average cost of tickets is £216 and £168 respectively.

How far in advance should I book a flight from London Heathrow Airport to Trieste?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London Heathrow Airport to Trieste, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from London Heathrow Airport to Trieste, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 8 days before departure.

Which airlines provide the cheapest flights from London Heathrow Airport to Trieste?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Lufthansa (£117) and KLM (£181). The cheapest round-trip tickets were found on Lufthansa (£142) and KLM (£238).

Good to know - Cheap tickets from London Heathrow Airport to Trieste

Low season

March

High season

July

Cheapest flight

£117
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly (21% more expensive on average)
Flight from London Heathrow Airport to Trieste

When to book flights from Heathrow to Trieste

Are your dates flexible? Find out the best times to travel from Heathrow to Trieste based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Trieste flights

  • What is the cheapest flight from London Heathrow Airport to Trieste?

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to Trieste was £147 for a one-way ticket and £178 for a return.

  • Which airports will I be using when flying from London Heathrow Airport to Trieste?

    London Heathrow Airport airport is called London Heathrow and the only airport in Trieste is Trieste Ronchi dei Legionari.

  • Which aircraft models fly most regularly from London Heathrow Airport to Trieste?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from London Heathrow Airport to Trieste?

    Star Alliance, and SkyTeam are the airline alliances operating flights between London Heathrow Airport and Trieste, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Trieste?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Trieste.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Trieste?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trieste from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Trieste?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Trieste with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Trieste?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Trieste from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airline flying from Heathrow to Trieste

 
See real verified KAYAK customer reviews for airlines flying from London to Trieste. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to Trieste? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.0
LufthansaOverall score based on 7678 reviews
6.9Comfort
7.7Crew
6.7Entertainment
7.2Boarding
6.5Food
Airline reviews

Horrible flight attendant in back of economy that screamed at me, have already reported to United. Horrible food - for Gluten free, why would you assume the person is vegetarian? I was served some kind of horrible curry bean paste and multiple cold rolls and soggy vegetables with no seasoning... um no!

4.0 OkayCassandra, Apr 2024LHR - LAX
Read more about Lufthansa reviews

Horrible flight attendant in back of economy that screamed at me, have already reported to United. Horrible food - for Gluten free, why would you assume the person is vegetarian? I was served some kind of horrible curry bean paste and multiple cold rolls and soggy vegetables with no seasoning... um no!

I was at the airport on time , I checked in my luggage . The plane was delayed and the gate was change. The flight board did not give information . I did not get chance to fly. I am going to make a claim for it

Hated every minute of it. Delayed for over 10 hours only to have to cancel rental car, car insurance and hotel. Its taken me 3days to get to my final destination when it should have only taken 12-14 hours. Very unhappy with Lufthansa.

Never flown with LH before so all in all wasba good experience. Also good to know that approx 24hrs prior the flight opens up for being able to organise the seating free.

It was a short flight, no real service (which is okay). Very bumpy because of weather.

I'm Canaadian. I hate Air Canada. I used to give them a pass on their international service. No longer, They suck across the board now! Old planes, exhausted staff bad food and shitty entertainment. Your seats need reupholstered! Start with that...

Good experience. Food was great and passengers helped rearrange seats so our family could be seated together

Great flight. Left on time, not very crowded. Quiet and the right temperature.

No eye patches , socks given out for overnight flight! The snack on the short haul was a cube of chocolate! The seat was uncomfortable for a long haul - not enough cushioning!

You need to reimburse me for my seats purchased and luggage.

Book cheap flights from London to Trieste

Cheapest flights to Trieste from London found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Trieste found on KAYAK in the last 72 hours.
22/8Thu
1 stopLufthansa
6h 45mLHR-TRS
£117
27/8Tue
1 stopLufthansa
4h 45mLHR-TRS
£121
28/9Sat
2 stops
12h 35mLHR-TRS
£130
23/5Thu
3 stops
26h 30mLHR-TRS
£137
11/6Tue
2 stopsKLM
10h 05mLHR-TRS
£181
16/6Sun
2 stopsKLM
18h 50mLHR-TRS
£188
20/7Sat
2 stopsAir France
17h 40mLHR-TRS
£236
20/7Sat
2 stopsAir France
21h 50mLHR-TRS
£237
3/6Mon
2 stopsTAP AIR PORTUGAL
31h 25mLHR-TRS
£242
9/6Sun
2 stopsTAP AIR PORTUGAL
31h 25mLHR-TRS
£270

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Last minute flights from Heathrow to Trieste

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from London to Trieste that are departing in the next 10 days.
16/5Thu
multi-stopLufthansa
4h 45mLHR-TRS
30/5Thu
multi-stopLufthansa
6h 50mTRS-LHR
£325
16/5Thu
multi-stopLufthansa
4h 00mLHR-TRS
30/5Thu
multi-stopLufthansa
6h 55mTRS-LHR
£363
14/5Tue
multi-stopLufthansa
5h 00mLHR-TRS
4/6Tue
multi-stopLufthansa
12h 05mTRS-LHR
£377
14/5Tue
multi-stopLufthansa
5h 00mLHR-TRS
15/5Wed
multi-stopLufthansa
9h 05mTRS-LHR
£385
14/5Tue
multi-stopLufthansa
5h 00mLHR-TRS
4/6Tue
multi-stopLufthansa
7h 15mTRS-LHR
£394
18/5Sat
multi-stop
15h 20mLHR-TRS
19/5Sun
multi-stop
31h 45mTRS-LHR
£410
18/5Sat
multi-stop
12h 55mLHR-TRS
19/5Sun
multi-stop
26h 30mTRS-LHR
£414
16/5Thu
multi-stopLufthansa
6h 20mLHR-TRS
30/5Thu
multi-stopLufthansa
6h 55mTRS-LHR
£418
14/5Tue
multi-stopLufthansa
6h 00mLHR-TRS
15/5Wed
multi-stopLufthansa
8h 50mTRS-LHR
£439
14/5Tue
multi-stopKLM
6h 55mLHR-TRS
15/5Wed
multi-stopKLM
10h 35mTRS-LHR
£620

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London Heathrow Airport - Trieste Flights

Departure:

London Heathrow Airport (undefined)United Kingdom

Destination:

Trieste (TRS)Italy

Return flight deals:

Trieste - London Heathrow Airport

Cabin classes:

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