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Cheap flights from London Heathrow Airport to Trieste from £81

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TRS
22 Jan — 29 Jan1
1 adult

Cheap flight deals from Heathrow to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Trieste (TRS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 January 2025.

Round-trip from

£148

One-way from

£81

Popular in

December

Cheapest in

March

Average price

£169
Lufthansa
  • Lufthansa
  • 7/6-13/6
  • 2 total stops
  • 23h 05m total
  • London to Trieste
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26/3
  • 26/3
  • 1 total stop
  • 10h 00m total
  • London to Trieste
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High demand for flights, 3% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Heathrow to Trieste

Cheapest flights from Heathrow to Trieste
Explore the most affordable flight options available from Heathrow to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Sat 7/609:30LHR - TRS
1 stop11h 55mLufthansa
Fri 13/606:30TRS - LHR
1 stop11h 10mLufthansa
Deal found 15/1£148
Thu 6/220:50LHR - TRS
1 stop15h 45mMultiple Airlines
Fri 14/214:05TRS - LHR
1 stop7h 00mMultiple Airlines
Deal found 16/1£165
Tue 4/206:30LHR - TRS
2 stops11h 15mKLM
Thu 6/206:35TRS - LHR
2 stops15h 15mKLM
Deal found 16/1£311
Tue 21/119:35LHR - TRS
2 stops22h 10mAir France
Thu 23/106:35TRS - LHR
2 stops11h 00mAir France
Deal found 17/1£416
Thu 30/106:35LHR - TRS
2 stops35h 10mTurkish Airlines
Sun 2/211:10TRS - LHR
2 stops28h 45mTurkish Airlines
Deal found 16/1£506

Find flights from Heathrow to Trieste within your budget

Customise your flight search to find flights from Heathrow to Trieste that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Fri 28/3

07:30-13:55

1 stop5h 25m

Trieste Ronchi dei Legionari

Sat 5/4

14:45-18:40

1 stop4h 55m

£161

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Thu 6/2

20:50-13:35

1 stop15h 45m

Trieste Ronchi dei Legionari

Fri 14/2

14:05-20:05

1 stop7h 00m

£165

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Tue 4/2

06:30-18:45

2 stops11h 15m

Trieste Ronchi dei Legionari

Thu 6/2

06:35-20:50

2 stops15h 15m

£311

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Tue 21/1

19:35-18:45

2 stops22h 10m

Trieste Ronchi dei Legionari

Thu 23/1

06:35-16:35

2 stops11h 00m

£416

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Thu 30/1

06:35-18:45

2 stops35h 10m

Trieste Ronchi dei Legionari

Sun 2/2

11:10-14:55

2 stops28h 45m

£506

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Wed 26/3

20:50-07:50

1 stop10h 00m

£81

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Sun 23/3

07:30-13:45

1 stop5h 15m

£127

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Tue 21/1

19:35-18:45

2 stops22h 10m

£242

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Best time to book a flight from Heathrow to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Heathrow to Trieste

Get recent, data-driven insights about flights from Heathrow to Trieste including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from LHR to TRS?

Find hourly flight availability from Heathrow to Trieste. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Trieste in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

Rainfall in Trieste by month

Plan your trip to Trieste by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Trieste ranges from 62.0 - 114.0 inches per month. November is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit Trieste when rainfall is around 62.0 mm.

Temperature in Trieste by month

Plan your trip to Trieste by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Trieste, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Trieste

Get insights into the airlines that provide service to Trieste. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trieste. Reviews last updated 17 January 2025.
KLM
7.8
Good
1,339 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,339 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air France
7.4
Good
1,487 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Turkish Airlines
7.3
Good
3,925 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Lufthansa
6.8
Okay
7,094 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Trieste from London Heathrow?

    If you book a flight to Trieste from London Heathrow, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste. There are 0 flights from London Heathrow to Ronchi dei Legionari per day from 1 airline.

  • What are the cheapest airlines flying from London Heathrow Airport to Trieste round-trip?

    Flying on Lufthansa is currently your cheapest option to Trieste, with prices starting at £148. Additional return tickets that might be worth considering are offered by KLM and Turkish Airlines, with the lowest prices starting at £311 and £488, respectively. These flights start at 27% lower than the current average price 3 months from now.

  • Can I find deals for flights from Heathrow to Trieste that include hotel bookings?

    Yes. In addition to deals on Heathrow to Trieste flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Trieste.

  • Can I find deals for business class flights from Heathrow to Trieste?

    Yes. Cheapflights offers flight deals from Heathrow to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Heathrow Airport?

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Udine

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Top airline flying from Heathrow to Trieste

Discover the top airline that operate flights from Heathrow to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£157Average£220FlexibilityNo cancel feeOn-time76%
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Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Trieste?

Deals for Heathrow to Trieste flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Trieste?

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