When did momondo last update prices for flights from London Heathrow Airport to Trieste Ronchi dei Legionari Airport?

Prices for flights from London Heathrow Airport to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.

How old do you have to be to fly from London Heathrow Airport to Trieste Ronchi dei Legionari Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Trieste Ronchi dei Legionari Airport.

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 252 Cheap Flights from London Heathrow Airport to Trieste in 2025/26

1 adult

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Find the cheapest flights from London Heathrow Airport to Trieste

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 p.m. - 10:30 p.m.LHR-TRS

5h 00m1 stop

3:00 p.m. - 6:45 p.m.TRS-LHR

4h 45m1 stop

C$ 318Lufthansa

Find Deal

Fri, 21 Nov - Sun, 23 Nov

11:30 a.m. - 10:30 p.m.LHR-TRS

10h 00m1 stop

3:00 p.m. - 10:20 p.m.TRS-LHR

8h 20m1 stop

C$ 325Lufthansa

Find Deal

Fri, 21 Nov - Sun, 23 Nov

11:30 a.m. - 10:30 p.m.LHR-TRS

10h 00m1 stop

3:00 p.m. - 6:45 p.m.TRS-LHR

4h 45m1 stop

C$ 326Lufthansa

Find Deal

Fri, 21 Nov - Sun, 23 Nov

8:30 a.m. - 2:05 p.m.LHR-TRS

4h 35m1 stop

2:40 p.m. - 9:00 p.m.TRS-LHR

7h 20m2 stops

C$ 361Lufthansa

Find Deal

Sat, 14 Mar - Mon, 16 Mar

8:15 p.m. - 2:05 p.m.LHR-TRS

16h 50m2 stops

6:25 a.m. - 3:50 p.m.TRS-LHR

10h 25m1 stop

C$ 364Lufthansa

Find Deal

Sat, 17 Jan - Sat, 24 Jan

8:40 a.m. - 6:30 p.m.LHR-TRS

8h 50m2 stops

6:35 a.m. - 4:05 p.m.TRS-LHR

10h 30m2 stops

C$ 614KLM

Find Deal

Sun, 16 Nov - Tue, 18 Nov

6:30 a.m. - 6:30 p.m.LHR-TRS

11h 00m2 stops

6:35 a.m. - 4:05 p.m.TRS-LHR

10h 30m2 stops

C$ 665KLM

Find Deal

Sun, 16 Nov - Tue, 18 Nov

6:35 a.m. - 10:55 p.m.LHR-TRS

15h 20m2 stops

6:35 a.m. - 9:05 p.m.TRS-LHR

15h 30m2 stops

C$ 921Multiple Airlines

Find Deal

Sun, 30 Nov - Wed, 3 Dec

6:35 a.m. - 10:55 p.m.LHR-TRS

15h 20m2 stops

6:35 a.m. - 9:05 p.m.TRS-LHR

15h 30m2 stops

C$ 953Turkish Airlines

Find Deal

Thu, 13 Nov - Mon, 17 Nov

6:35 a.m. - 10:55 p.m.LHR-TRS

15h 20m2 stops

6:35 a.m. - 10:25 p.m.TRS-LHR

16h 50m2 stops

C$ 1,018Turkish Airlines

Find Deal

Thu, 13 Nov - Mon, 17 Nov

Lufthansa flights from London Heathrow Airport to Trieste

Our best Lufthansa deals on London Heathrow Airport to Trieste flight tickets

Lufthansa

21 Nov

LHR4:30 p.m.London Heathrow

5h 00m

1 stop

TRS10:30 p.m.Trieste Ronchi dei Legionari

23 Nov

TRS3:00 p.m.Trieste Ronchi dei Legionari

4h 45m

1 stop

LHR6:45 p.m.London Heathrow

C$ 318

Find similar

Lufthansa

21 Nov

LHR11:30 a.m.London Heathrow

10h 00m

1 stop

TRS10:30 p.m.Trieste Ronchi dei Legionari

23 Nov

TRS3:00 p.m.Trieste Ronchi dei Legionari

8h 20m

1 stop

LHR10:20 p.m.London Heathrow

C$ 325

Find similar

Lufthansa

21 Nov

LHR11:30 a.m.London Heathrow

10h 00m

1 stop

TRS10:30 p.m.Trieste Ronchi dei Legionari

23 Nov

TRS3:00 p.m.Trieste Ronchi dei Legionari

4h 45m

1 stop

LHR6:45 p.m.London Heathrow

C$ 326

Find similar

KLM flights from London Heathrow Airport to Trieste

Our best KLM deals on London Heathrow Airport to Trieste flight tickets

KLM

16 Nov

LHR8:40 a.m.London Heathrow

8h 50m

2 stops

TRS6:30 p.m.Trieste Ronchi dei Legionari

18 Nov

TRS6:35 a.m.Trieste Ronchi dei Legionari

10h 30m

2 stops

LHR4:05 p.m.London Heathrow

C$ 614

Find similar

KLM

16 Nov

LHR6:30 a.m.London Heathrow

11h 00m

2 stops

TRS6:30 p.m.Trieste Ronchi dei Legionari

18 Nov

TRS6:35 a.m.Trieste Ronchi dei Legionari

10h 30m

2 stops

LHR4:05 p.m.London Heathrow

C$ 665

Find similar

KLM

11 Dec

LHR10:00 a.m.London Heathrow

7h 30m

2 stops

TRS6:30 p.m.Trieste Ronchi dei Legionari

18 Dec

TRS6:35 a.m.Trieste Ronchi dei Legionari

8h 15m

2 stops

LHR1:50 p.m.London Heathrow

C$ 706

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Fri 21/11

4:30 p.m.-10:30 p.m.

1 stop5h 00m

Trieste Ronchi dei Legionari

Sun 23/11

3:00 p.m.-6:45 p.m.

1 stop4h 45m

C$ 318

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Fri 21/11

11:30 a.m.-10:30 p.m.

1 stop10h 00m

Trieste Ronchi dei Legionari

Sun 23/11

3:00 p.m.-10:20 p.m.

1 stop8h 20m

C$ 325

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Fri 21/11

11:30 a.m.-10:30 p.m.

1 stop10h 00m

Trieste Ronchi dei Legionari

Sun 23/11

3:00 p.m.-6:45 p.m.

1 stop4h 45m

C$ 326

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Sat 14/3

8:30 a.m.-2:05 p.m.

1 stop4h 35m

Trieste Ronchi dei Legionari

Mon 16/3

2:40 p.m.-9:00 p.m.

2 stops7h 20m

C$ 361

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Sat 17/1

8:15 p.m.-2:05 p.m.

2 stops16h 50m

Trieste Ronchi dei Legionari

Sat 24/1

6:25 a.m.-3:50 p.m.

1 stop10h 25m

C$ 364

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Sun 16/11

8:40 a.m.-6:30 p.m.

2 stops8h 50m

Trieste Ronchi dei Legionari

Tue 18/11

6:35 a.m.-4:05 p.m.

2 stops10h 30m

C$ 614

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Sun 16/11

6:30 a.m.-6:30 p.m.

2 stops11h 00m

Trieste Ronchi dei Legionari

Tue 18/11

6:35 a.m.-4:05 p.m.

2 stops10h 30m

C$ 665

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Sun 30/11

6:35 a.m.-10:55 p.m.

2 stops15h 20m

Trieste Ronchi dei Legionari

Wed 3/12

6:35 a.m.-9:05 p.m.

2 stops15h 30m

C$ 921

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Thu 13/11

6:35 a.m.-10:55 p.m.

2 stops15h 20m

Trieste Ronchi dei Legionari

Mon 17/11

6:35 a.m.-9:05 p.m.

2 stops15h 30m

C$ 953

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Thu 13/11

6:35 a.m.-10:55 p.m.

2 stops15h 20m

Trieste Ronchi dei Legionari

Mon 17/11

6:35 a.m.-10:25 p.m.

2 stops16h 50m

C$ 1,018

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London Heathrow to Trieste Ronchi dei Legionari?

Lufthansa, KLM, and KM Malta Airlines are the most popular carriers operating from London Heathrow to Trieste Ronchi dei Legionari

When to book flights from London Heathrow Airport to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Trieste according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London Heathrow Airport to Trieste (LHR to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Trieste

Direct flights	None

There are no direct flights from London Heathrow Airport to Trieste. There are no popular flight routes from London Heathrow Airport to Trieste.

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How far is London Heathrow to Trieste Ronchi dei Legionari by plane?
Trieste Ronchi dei Legionari is 1226.9 km away from London Heathrow. A reasonable flight in good conditions will take 4h 10m.
When did momondo last update prices for flights from London Heathrow Airport to Trieste Ronchi dei Legionari Airport?
Prices for flights from London Heathrow Airport to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.
How old do you have to be to fly from London Heathrow Airport to Trieste Ronchi dei Legionari Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from London to Trieste?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Trieste from London.

Can I find flights from London to Trieste with flexible booking policies on momondo?

momondo does allow users to show only those flights to Trieste from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Trieste?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Trieste.

I’m not ready to book a flight from London to Trieste right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Trieste flights. All you need is a valid email address and we will do the rest; it is that quick and easy.