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Cheap flights from London Heathrow Airport to Trieste from £56

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Trieste

Cheap return flights

Enter your travel dates to find the best prices.
ITA Airways Logo
10:30 - 18:30LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
7h 00m1 stop Rome Fiumicino
ITA Airways Logo
11:15 - 15:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
5h 25m1 stop Rome Fiumicino
£142ITA Airways
Sat, 6 Feb - Sat, 13 Feb
ITA Airways Logo
10:30 - 22:55LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
11h 25m1 stop Rome Fiumicino
ITA Airways Logo
15:15 - 09:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
19h 25m1 stop Rome Fiumicino
£143ITA Airways
Tue, 3 Nov - Sat, 7 Nov
ITA Airways Logo
10:30 - 22:55LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
11h 25m1 stop Rome Fiumicino
ITA Airways Logo
11:15 - 15:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
5h 25m1 stop Rome Fiumicino
£143ITA Airways
Tue, 10 Nov - Thu, 12 Nov
ITA Airways Logo
10:30 - 22:55LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
11h 25m1 stop Rome Fiumicino
ITA Airways Logo
19:15 - 09:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
15h 25m1 stop Rome Fiumicino
£143ITA Airways
Tue, 3 Nov - Mon, 9 Nov
Multiple Airlines Logo
09:55 - 19:40LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
8h 45m1 stop Barcelona-El Prat
Multiple Airlines Logo
08:55 - 20:05TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
12h 10m1 stop Barcelona-El Prat
£146Multiple Airlines
Sat, 7 Nov - Mon, 9 Nov
Multiple Airlines Logo
09:55 - 19:40LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
8h 45m1 stop Barcelona-El Prat
Multiple Airlines Logo
08:55 - 20:05TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
12h 10m1 stop Barcelona-El Prat
£148Multiple Airlines
Sat, 7 Nov - Mon, 9 Nov
Multiple Airlines Logo
20:50 - 13:10LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
15h 20m1 stop Barcelona-El Prat
Multiple Airlines Logo
11:15 - 15:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
5h 25m1 stop Rome Fiumicino
£154Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Lufthansa Logo
09:30 - 22:15LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
11h 45m1 stop Frankfurt am Main
Lufthansa Logo
06:10 - 12:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
7h 30m1 stop Frankfurt am Main
£160Lufthansa
Wed, 14 Oct - Wed, 21 Oct
Lufthansa Logo
09:30 - 22:25LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
11h 55m1 stop Frankfurt am Main
Lufthansa Logo
06:15 - 17:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
12h 25m1 stop Frankfurt am Main
£163Lufthansa
Thu, 8 Oct - Thu, 15 Oct
Lufthansa Logo
09:30 - 22:25LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
11h 55m1 stop Frankfurt am Main
Lufthansa Logo
06:15 - 17:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
12h 25m1 stop Frankfurt am Main
£164Lufthansa
Thu, 8 Oct - Thu, 15 Oct

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ITA Airways flights from London Heathrow Airport to Trieste

Our best ITA Airways deals on London Heathrow Airport to Trieste flight tickets
ITA Airways
6 Feb
LHR10:30London Heathrow
7h 00m
1 stop
TRS18:30Trieste Ronchi dei Legionari
13 Feb
TRS11:15Trieste Ronchi dei Legionari
5h 25m
1 stop
LHR15:40London Heathrow
£142
ITA Airways
3 Nov
LHR10:30London Heathrow
11h 25m
1 stop
TRS22:55Trieste Ronchi dei Legionari
9 Nov
TRS19:15Trieste Ronchi dei Legionari
15h 25m
1 stop
LHR09:40London Heathrow
£143
ITA Airways
2 Mar
LHR16:30London Heathrow
5h 25m
1 stop
TRS22:55Trieste Ronchi dei Legionari
6 Mar
TRS11:15Trieste Ronchi dei Legionari
5h 25m
1 stop
LHR15:40London Heathrow
£144

Lufthansa flights from London Heathrow Airport to Trieste

Our best Lufthansa deals on London Heathrow Airport to Trieste flight tickets
Lufthansa
14 Oct
LHR09:30London Heathrow
11h 45m
1 stop
TRS22:15Trieste Ronchi dei Legionari
21 Oct
TRS06:10Trieste Ronchi dei Legionari
7h 30m
1 stop
LHR12:40London Heathrow
£160
Lufthansa
8 Oct
LHR09:30London Heathrow
11h 55m
1 stop
TRS22:25Trieste Ronchi dei Legionari
15 Oct
TRS06:15Trieste Ronchi dei Legionari
12h 25m
1 stop
LHR17:40London Heathrow
£163
Lufthansa
8 Oct
LHR09:30London Heathrow
11h 55m
1 stop
TRS22:25Trieste Ronchi dei Legionari
15 Oct
TRS06:15Trieste Ronchi dei Legionari
12h 25m
1 stop
LHR17:40London Heathrow
£164

momondo Fare Finder

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

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Route

Depart

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Price

Cheapest return flight
Fastest return journey

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sat 6/2

10:30-18:30

1 stop7h 00m

Trieste Ronchi dei Legionari

Sat 13/2

11:15-15:40

1 stop5h 25m

£142

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Tue 3/11

10:30-22:55

1 stop11h 25m

Trieste Ronchi dei Legionari

Sat 7/11

15:15-09:40

1 stop19h 25m

£143

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Tue 10/11

10:30-22:55

1 stop11h 25m

Trieste Ronchi dei Legionari

Thu 12/11

11:15-15:40

1 stop5h 25m

£143

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Tue 3/11

10:30-22:55

1 stop11h 25m

Trieste Ronchi dei Legionari

Mon 9/11

19:15-09:40

1 stop15h 25m

£143

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sat 7/11

09:55-19:40

1 stop8h 45m

Trieste Ronchi dei Legionari

Mon 9/11

08:55-20:05

1 stop12h 10m

£146

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sat 7/11

09:55-19:40

1 stop8h 45m

Trieste Ronchi dei Legionari

Mon 9/11

08:55-20:05

1 stop12h 10m

£148

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Thu 5/11

20:50-13:10

1 stop15h 20m

Trieste Ronchi dei Legionari

Thu 12/11

11:15-15:40

1 stop5h 25m

£154

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Wed 14/10

09:30-22:15

1 stop11h 45m

Trieste Ronchi dei Legionari

Wed 21/10

06:10-12:40

1 stop7h 30m

£160

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Thu 8/10

09:30-22:25

1 stop11h 55m

Trieste Ronchi dei Legionari

Thu 15/10

06:15-17:40

1 stop12h 25m

£163

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Thu 8/10

09:30-22:25

1 stop11h 55m

Trieste Ronchi dei Legionari

Thu 15/10

06:15-17:40

1 stop12h 25m

£164

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Trieste from

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 day to depart on your flight to Trieste?

On average, the least expensive day to fly to Trieste from London Heathrow Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as £75. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Trieste is Monday, with ticket prices averaging around £132.

What is the cheapest time of day to depart on your flight to Trieste?

The cheapest time of day to fly to Trieste is in the morning when flights can be purchased for as low as £64. Flights to Trieste are more costly at midday, with an average ticket price of £170. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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 return 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

£56

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 £56. The best return flight deal from London Heathrow Airport to Trieste found on momondo in the last 72 hours is £142.
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?

    The distance between London Heathrow and Trieste Ronchi dei Legionari is about 762.4 mi. Flights usually cover this in 5h 25m, depending on flying conditions and air traffic around both airports.

  • 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 updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Trieste Ronchi dei Legionari Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Heathrow Airport to Trieste?

Best airlines flying from London Heathrow Airport to Trieste

Compare and see reviews for airlines that fly from London Heathrow Airport to Trieste with momondo
Airline
Rating
Free Cancellation
Price
ITA AirwaysPriceFrom £78Free CancellationRating
6.8
1,366 reviews
Search ITA Airways flights
LufthansaPriceFrom £170Free CancellationRating
6.8
8,235 reviews
Search Lufthansa flights

Travelling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine
Grado

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?

Yes. momondo enables you to select and highlight flights to Trieste from London with this policy.

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

Once you have performed a search for London to Trieste flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Trieste now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Trieste and let you know when they change.

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