Cheap flights from London to Trieste from £14

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Trieste

Cheap return flights

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Ryanair Logo
07:35 - 10:45STN  London Stansted-TRS Trieste Ronchi dei Legionari
2h 10mdirect
Ryanair Logo
06:05 - 07:15TRS  Trieste Ronchi dei Legionari-STN London Stansted
2h 10mdirect
£28Ryanair
Fri, 4 Dec - Sat, 12 Dec
Ryanair Logo
07:40 - 10:50STN  London Stansted-TRS Trieste Ronchi dei Legionari
2h 10mdirect
Ryanair Logo
11:45 - 12:55TRS  Trieste Ronchi dei Legionari-STN London Stansted
2h 10mdirect
£30Ryanair
Sat, 12 Dec - Mon, 14 Dec
Ryanair Logo
07:40 - 10:50STN  London Stansted-TRS Trieste Ronchi dei Legionari
2h 10mdirect
Ryanair Logo
11:45 - 12:55TRS  Trieste Ronchi dei Legionari-STN London Stansted
2h 10mdirect
£31Ryanair
Sat, 12 Dec - Mon, 14 Dec
Multiple Airlines Logo
07:40 - 10:50STN  London Stansted-TRS Trieste Ronchi dei Legionari
2h 10mdirect
Multiple Airlines Logo
08:05 - 16:20TRS  Trieste Ronchi dei Legionari-STN London Stansted
9h 15m1 stop Tirana Rinas
£54Multiple Airlines
Sat, 12 Dec - Mon, 14 Dec
Multiple Airlines Logo
06:00 - 16:50STN  London Stansted-TRS Trieste Ronchi dei Legionari
9h 50m1 stop Tirana Rinas
Multiple Airlines Logo
20:20 - 21:30TRS  Trieste Ronchi dei Legionari-STN London Stansted
2h 10mdirect
£58Multiple Airlines
Thu, 3 Dec - Thu, 10 Dec
Multiple Airlines Logo
06:30 - 17:50STN  London Stansted-TRS Trieste Ronchi dei Legionari
10h 20m1 stop Tirana Rinas
Multiple Airlines Logo
14:30 - 15:40TRS  Trieste Ronchi dei Legionari-STN London Stansted
2h 10mdirect
£60Multiple Airlines
Sun, 13 Dec - Sun, 20 Dec
ITA Airways Logo
16:30 - 22:55LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
5h 25m1 stop Rome Fiumicino
ITA Airways Logo
11:15 - 09:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
23h 25m1 stop Rome Fiumicino
£143ITA Airways
Sat, 14 Nov - Mon, 16 Nov
ITA Airways Logo
10:30 - 18:30LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
7h 00m1 stop Rome Fiumicino
ITA Airways Logo
11:15 - 09:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
23h 25m1 stop Rome Fiumicino
£147ITA Airways
Thu, 3 Dec - Sun, 6 Dec
Lufthansa Logo
07:30 - 22:25LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
06:20 - 10:40TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
5h 20m1 stop Frankfurt am Main
£230Lufthansa
Sun, 28 Mar - Sun, 4 Apr
Lufthansa Logo
13:35 - 22:25LHR  London Heathrow-TRS Trieste Ronchi dei Legionari
7h 50m2 stops Munich Franz Josef Strauss Frankfurt am Main
Lufthansa Logo
14:30 - 20:45TRS  Trieste Ronchi dei Legionari-LHR London Heathrow
7h 15m2 stops Frankfurt am Main Munich Franz Josef Strauss
£244Lufthansa
Sat, 1 May - Sat, 8 May

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Ryanair flights from London to Trieste

Our best Ryanair deals on London to Trieste flight tickets
Ryanair
4 Dec
STN07:35London Stansted
2h 10m
TRS10:45Trieste Ronchi dei Legionari
12 Dec
TRS06:05Trieste Ronchi dei Legionari
2h 10m
STN07:15London Stansted
£28
Ryanair
12 Dec
STN07:40London Stansted
2h 10m
TRS10:50Trieste Ronchi dei Legionari
14 Dec
TRS11:45Trieste Ronchi dei Legionari
2h 10m
STN12:55London Stansted
£31
Ryanair
12 Dec
STN07:40London Stansted
2h 10m
TRS10:50Trieste Ronchi dei Legionari
14 Dec
TRS11:45Trieste Ronchi dei Legionari
2h 10m
STN12:55London Stansted
£31

ITA Airways flights from London to Trieste

Our best ITA Airways deals on London to Trieste flight tickets
ITA Airways
14 Nov
LHR16:30London Heathrow
5h 25m
1 stop
TRS22:55Trieste Ronchi dei Legionari
16 Nov
TRS11:15Trieste Ronchi dei Legionari
23h 25m
1 stop
LHR09:40London Heathrow
£143
ITA Airways
14 Nov
LHR16:30London Heathrow
5h 25m
1 stop
TRS22:55Trieste Ronchi dei Legionari
16 Nov
TRS11:15Trieste Ronchi dei Legionari
23h 25m
1 stop
LHR09:40London Heathrow
£147
ITA Airways
14 Nov
LHR16:30London Heathrow
5h 25m
1 stop
TRS22:55Trieste Ronchi dei Legionari
16 Nov
TRS19:15Trieste Ronchi dei Legionari
15h 25m
1 stop
LHR09:40London Heathrow
£148

momondo Fare Finder

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

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Price

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Fastest return journey

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Fri 4/12

07:35-10:45

Nonstop2h 10m

Trieste Ronchi dei Legionari

Sat 12/12

06:05-07:15

Nonstop2h 10m

£28

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Sat 12/12

07:40-10:50

Nonstop2h 10m

Trieste Ronchi dei Legionari

Mon 14/12

11:45-12:55

Nonstop2h 10m

£30

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Sat 12/12

07:40-10:50

Nonstop2h 10m

Trieste Ronchi dei Legionari

Mon 14/12

11:45-12:55

Nonstop2h 10m

£31

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Sat 12/12

07:40-10:50

Nonstop2h 10m

Trieste Ronchi dei Legionari

Mon 14/12

08:05-16:20

1 stop9h 15m

£54

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Thu 3/12

06:00-16:50

1 stop9h 50m

Trieste Ronchi dei Legionari

Thu 10/12

20:20-21:30

Nonstop2h 10m

£58

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Sun 13/12

06:30-17:50

1 stop10h 20m

Trieste Ronchi dei Legionari

Sun 20/12

14:30-15:40

Nonstop2h 10m

£60

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sat 14/11

16:30-22:55

1 stop5h 25m

Trieste Ronchi dei Legionari

Mon 16/11

11:15-09:40

1 stop23h 25m

£143

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Thu 3/12

10:30-18:30

1 stop7h 00m

Trieste Ronchi dei Legionari

Sun 6/12

11:15-09:40

1 stop23h 25m

£147

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sun 28/3

07:30-22:25

1 stop13h 55m

Trieste Ronchi dei Legionari

Sun 4/4

06:20-10:40

1 stop5h 20m

£230

LondonTrieste

LHR London Heathrow - TRS Trieste Ronchi dei Legionari

LHRTRS

London Heathrow

Sat 1/5

13:35-22:25

2 stops7h 50m

Trieste Ronchi dei Legionari

Sat 8/5

14:30-20:45

2 stops7h 15m

£244

Flights are sorted by cheapest return flights first.

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See travel insights to Trieste from

How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and Trieste?

Prices are currently low for flights on this route.

Typical prices usually range from £40 to £65.
The lowest price recently found on this route was £28.

What is the cheapest month to fly to Trieste?

The month of November is, on average, the cheapest month to fly to Trieste from London, with most prices found around £65. The month of June is another great option to travel to Trieste, with average flight prices from London averaging around £78.

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

On average, the least expensive day to fly to Trieste from London is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £100. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Trieste is Sunday, with ticket prices averaging around £154.

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 afternoon when flights can be purchased for as low as £88. Flights to Trieste are more costly at midday, with an average ticket price of £162. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Trieste Ronchi dei Legionari flight route?

Fly from London Stansted to Trieste Ronchi dei Legionari for the best London - Trieste Ronchi dei Legionari flight prices

What cabin class options are available on London to Trieste flights?

There is only 1 cabin class available to choose from on London to Trieste flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Trieste flights?

No. A direct flight is the cheapest option for a flight between London to Trieste.

How have London to Trieste flight prices changed over time?

As of November 2026, prices for London to Trieste flights are approximately 137% more expensive when compared to flights at the same time last year.

When to book flights from London to Trieste

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

Cheap London to Trieste (LON to TRS) flight deals and tips

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

Best price found

£14

Fastest flight time

2h 05m

Direct flights

Every day

Airports in Trieste

1 airport
The best one-way flight to Trieste from London in the past 72 hours is £14. The best return flight deal from London to Trieste found on momondo in the last 72 hours is £28.
The fastest flight from London to Trieste takes 2h 05m
Direct flights go from London to Trieste every day.
There is 1 airport in Trieste. From London there are direct flights to Trieste Ronchi dei Legionari (TRS).

Frequently asked questions about flying from London to Trieste

  • How far is London to Trieste Ronchi dei Legionari by plane?

    London and Trieste Ronchi dei Legionari are 750.5 mi apart from one another. In terms of flight time, this usually takes a little over 2h 05m.

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

    Prices for flights from London to Trieste Ronchi dei Legionari Airport were last updated today.

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

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

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

    The necessary travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Trieste?

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

Best airlines flying from London to Trieste

Compare and see reviews for airlines that fly from London to Trieste with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £41Free CancellationRating
6.9
5,448 reviews
Search Ryanair flights
ITA AirwaysPriceFrom £77Free CancellationRating
6.8
1,413 reviews
Search ITA Airways flights
LufthansaPriceFrom £168Free CancellationRating
6.8
8,299 reviews
Search Lufthansa flights
  • Ryanair Flights From London to Trieste

    Ryanair flies from London to Trieste around 1 time per week, with 5,448 momondo users rating the airline 6.9/10. The cheapest Ryanair deal from London to Trieste in the last 72 hours was £41 (round-trip), much lower than the average airfare cost of £116 for Ryanair flights on this route.

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?

Finding the right flight to Trieste from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Trieste quick and easy, saving you time and money.

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

All flight searches from London to Trieste on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Trieste from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Trieste from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Thu 3/12
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