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$ 170 Cheap Flights from London Heathrow Airport to Trieste in 2026/27

Find the cheapest flights from London Heathrow Airport to Trieste

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 a.m. - 10:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

11h 25m1 stop Rome Fiumicino

7:15 p.m. - 9:40 a.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

15h 25m1 stop Rome Fiumicino

C$ 264ITA Airways

Fri, 20 Nov - Mon, 23 Nov

4:30 p.m. - 10:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

5h 25m1 stop Rome Fiumicino

11:15 a.m. - 3:40 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

5h 25m1 stop Rome Fiumicino

C$ 265ITA Airways

Tue, 2 Mar - Sat, 6 Mar

4:30 p.m. - 10:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

5h 25m1 stop Rome Fiumicino

11:15 a.m. - 3:40 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

5h 25m1 stop Rome Fiumicino

C$ 266ITA Airways

Tue, 2 Mar - Sat, 6 Mar

10:30 a.m. - 6:30 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

7h 00m1 stop Rome Fiumicino

7:15 p.m. - 9:40 a.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

15h 25m1 stop Rome Fiumicino

C$ 282ITA Airways

Sat, 7 Nov - Mon, 9 Nov

10:30 a.m. - 6:30 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

7h 00m1 stop Rome Fiumicino

7:15 p.m. - 9:40 a.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

15h 25m1 stop Rome Fiumicino

C$ 283ITA Airways

Thu, 5 Nov - Mon, 9 Nov

10:30 a.m. - 6:30 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

7h 00m1 stop Rome Fiumicino

7:15 p.m. - 9:40 a.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

15h 25m1 stop Rome Fiumicino

C$ 286ITA Airways

Sat, 7 Nov - Mon, 9 Nov

4:30 p.m. - 10:25 a.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

16h 55m1 stop Rome Fiumicino

7:15 p.m. - 9:40 a.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

15h 25m1 stop Rome Fiumicino

C$ 301ITA Airways

Sat, 31 Oct - Sat, 7 Nov

4:30 p.m. - 10:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

5h 25m1 stop Rome Fiumicino

7:15 p.m. - 9:40 a.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

15h 25m1 stop Rome Fiumicino

C$ 303ITA Airways

Thu, 29 Oct - Thu, 5 Nov

10:30 a.m. - 10:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

11h 25m1 stop Rome Fiumicino

3:15 p.m. - 9:40 a.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

19h 25m1 stop Rome Fiumicino

C$ 305ITA Airways

Fri, 6 Nov - Sun, 8 Nov

9:30 a.m. - 10:15 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

11h 45m1 stop Frankfurt am Main

6:15 a.m. - 2:40 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

9h 25m1 stop Frankfurt am Main

C$ 315Lufthansa

Sun, 4 Oct - Thu, 8 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

1:30 p.m. - 9:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

7h 25m1 stop Frankfurt am Main

6:15 a.m. - 5:40 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

12h 25m1 stop Frankfurt am Main

C$ 428Lufthansa

Sat, 19 Sep - Sat, 26 Sep

1:30 p.m. - 10:15 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

7h 45m1 stop Frankfurt am Main

11:15 a.m. - 3:40 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

5h 25m1 stop Rome Fiumicino

C$ 450Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

12:10 p.m. - 10:15 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

9h 05m2 stops Duesseldorf Intl Frankfurt am Main

6:15 a.m. - 2:40 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

9h 25m1 stop Frankfurt am Main

C$ 629Lufthansa

Mon, 21 Sep - Sat, 26 Sep

9:30 a.m. - 9:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

11h 25m1 stop Frankfurt am Main

2:45 p.m. - 8:45 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

7h 00m2 stops Frankfurt am Main Munich Franz Josef Strauss

C$ 647Lufthansa

Sat, 19 Sep - Sat, 26 Sep

1:30 p.m. - 10:15 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

7h 45m1 stop Frankfurt am Main

2:45 p.m. - 8:45 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

7h 00m2 stops Frankfurt am Main Munich Franz Josef Strauss

C$ 679Lufthansa

Mon, 21 Sep - Sat, 26 Sep

12:10 p.m. - 10:15 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

9h 05m2 stops Duesseldorf Intl Frankfurt am Main

2:45 p.m. - 8:45 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

7h 00m2 stops Frankfurt am Main Munich Franz Josef Strauss

C$ 853Lufthansa

Mon, 21 Sep - Sat, 26 Sep

8:30 a.m. - 1:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

4h 25m1 stop Frankfurt am Main

7:15 p.m. - 9:40 a.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

15h 25m1 stop Rome Fiumicino

C$ 978Multiple Airlines

Sat, 19 Sep - Sat, 19 Sep

10:50 a.m. - 9:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

10h 05m2 stops Munich Franz Josef Strauss Frankfurt am Main

2:45 p.m. - 8:45 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

7h 00m2 stops Frankfurt am Main Munich Franz Josef Strauss

C$ 1,081Lufthansa

Sat, 19 Sep - Sat, 26 Sep

1:35 p.m. - 9:55 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

7h 20m2 stops Munich Franz Josef Strauss Frankfurt am Main

2:40 p.m. - 8:40 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

7h 00m1 stop Frankfurt am Main

C$ 1,212Lufthansa

Sat, 19 Sep - Fri, 25 Sep

1:35 p.m. - 10:15 p.m.LHR London Heathrow-TRS Trieste Ronchi dei Legionari

7h 40m2 stops Munich Franz Josef Strauss Frankfurt am Main

2:45 p.m. - 8:45 p.m.TRS Trieste Ronchi dei Legionari-LHR London Heathrow

7h 00m2 stops Frankfurt am Main Munich Franz Josef Strauss

C$ 1,277Lufthansa

Mon, 21 Sep - Sat, 26 Sep

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Lufthansa flights from London Heathrow Airport to Trieste

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

Lufthansa

4 Oct

LHR9:30 a.m.London Heathrow

11h 45m

1 stop

TRS10:15 p.m.Trieste Ronchi dei Legionari

8 Oct

TRS6:15 a.m.Trieste Ronchi dei Legionari

9h 25m

1 stop

LHR2:40 p.m.London Heathrow

C$ 315

Lufthansa

4 Oct

LHR9:30 a.m.London Heathrow

11h 45m

1 stop

TRS10:15 p.m.Trieste Ronchi dei Legionari

11 Oct

TRS6:10 a.m.Trieste Ronchi dei Legionari

11h 30m

1 stop

LHR4:40 p.m.London Heathrow

C$ 333

Lufthansa

14 Oct

LHR10:50 a.m.London Heathrow

10h 25m

2 stops

TRS10:15 p.m.Trieste Ronchi dei Legionari

21 Oct

TRS6:10 a.m.Trieste Ronchi dei Legionari

11h 30m

1 stop

LHR4:40 p.m.London Heathrow

C$ 337

ITA Airways flights from London Heathrow Airport to Trieste

Our best ITA Airways deals on London Heathrow Airport to Trieste flight tickets

ITA Airways

20 Nov

LHR10:30 a.m.London Heathrow

11h 25m

1 stop

TRS10:55 p.m.Trieste Ronchi dei Legionari

23 Nov

TRS7:15 p.m.Trieste Ronchi dei Legionari

15h 25m

1 stop

LHR9:40 a.m.London Heathrow

C$ 264

ITA Airways

2 Mar

LHR4:30 p.m.London Heathrow

5h 25m

1 stop

TRS10:55 p.m.Trieste Ronchi dei Legionari

6 Mar

TRS11:15 a.m.Trieste Ronchi dei Legionari

5h 25m

1 stop

LHR3:40 p.m.London Heathrow

C$ 265

ITA Airways

2 Mar

LHR4:30 p.m.London Heathrow

5h 25m

1 stop

TRS10:55 p.m.Trieste Ronchi dei Legionari

6 Mar

TRS11:15 a.m.Trieste Ronchi dei Legionari

5h 25m

1 stop

LHR3:40 p.m.London Heathrow

C$ 266

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

Cheapest round-trip

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Fri 20/11

10:30 a.m.-10:55 p.m.

1 stop11h 25m

Trieste Ronchi dei Legionari

Mon 23/11

7:15 p.m.-9:40 a.m.

1 stop15h 25m

C$ 264

Quickest round-trip

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Tue 2/3

4:30 p.m.-10:55 p.m.

1 stop5h 25m

Trieste Ronchi dei Legionari

Sat 6/3

11:15 a.m.-3:40 p.m.

1 stop5h 25m

C$ 265

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Tue 2/3

4:30 p.m.-10:55 p.m.

1 stop5h 25m

Trieste Ronchi dei Legionari

Sat 6/3

11:15 a.m.-3:40 p.m.

1 stop5h 25m

C$ 266

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sat 7/11

10:30 a.m.-6:30 p.m.

1 stop7h 00m

Trieste Ronchi dei Legionari

Mon 9/11

7:15 p.m.-9:40 a.m.

1 stop15h 25m

C$ 282

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Thu 5/11

10:30 a.m.-6:30 p.m.

1 stop7h 00m

Trieste Ronchi dei Legionari

Mon 9/11

7:15 p.m.-9:40 a.m.

1 stop15h 25m

C$ 283

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sat 7/11

10:30 a.m.-6:30 p.m.

1 stop7h 00m

Trieste Ronchi dei Legionari

Mon 9/11

7:15 p.m.-9:40 a.m.

1 stop15h 25m

C$ 286

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sat 31/10

4:30 p.m.-10:25 a.m.

1 stop16h 55m

Trieste Ronchi dei Legionari

Sat 7/11

7:15 p.m.-9:40 a.m.

1 stop15h 25m

C$ 301

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Thu 29/10

4:30 p.m.-10:55 p.m.

1 stop5h 25m

Trieste Ronchi dei Legionari

Thu 5/11

7:15 p.m.-9:40 a.m.

1 stop15h 25m

C$ 303

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Fri 6/11

10:30 a.m.-10:55 p.m.

1 stop11h 25m

Trieste Ronchi dei Legionari

Sun 8/11

3:15 p.m.-9:40 a.m.

1 stop19h 25m

C$ 305

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sun 4/10

9:30 a.m.-10:15 p.m.

1 stop11h 45m

Trieste Ronchi dei Legionari

Thu 8/10

6:15 a.m.-2:40 p.m.

1 stop9h 25m

C$ 315

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?

ITA Airways is the most popular carrier 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

Best price found	C$ 170
Fastest flight time	5h 25m
Direct flights	None

The best one-way flight to Trieste from London Heathrow Airport in the past 72 hours is C$ 170. The best round-trip flight deal from London Heathrow Airport to Trieste found on momondo in the last 72 hours is C$ 264.

The fastest flight from London Heathrow Airport to Trieste takes 5h 25m

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

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Trieste

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 5h 25m.
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.