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Cheap flights from the United Kingdom to Trieste from £19

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Trieste departing on 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from the United Kingdom to Trieste

Recent return flight deals from the United Kingdom to Trieste

Enter your travel dates to find the best prices.
Ryanair Logo
18:45 - 21:50
STN
-
TRS
2h 05mdirect
Ryanair Logo
22:15 - 23:25
TRS
-
STN
2h 10mdirect
£38Ryanair
Tue, 15 Sep - Tue, 22 Sep
Ryanair Logo
20:40 - 23:45
STN
-
TRS
2h 05mdirect
Ryanair Logo
22:15 - 23:25
TRS
-
STN
2h 10mdirect
£42Ryanair
Sat, 26 Sep - Tue, 29 Sep
Ryanair Logo
20:45 - 23:50
STN
-
TRS
2h 05mdirect
Ryanair Logo
22:15 - 23:25
TRS
-
STN
2h 10mdirect
£44Ryanair
Thu, 27 Aug - Tue, 8 Sep
Ryanair Logo
20:40 - 23:45
STN
-
TRS
2h 05mdirect
Ryanair Logo
18:20 - 19:30
TRS
-
STN
2h 10mdirect
£46Ryanair
Sat, 5 Sep - Fri, 11 Sep
Ryanair Logo
20:40 - 23:45
STN
-
TRS
2h 05mdirect
Ryanair Logo
18:20 - 19:30
TRS
-
STN
2h 10mdirect
£48Ryanair
Sat, 5 Sep - Fri, 11 Sep
Multiple Airlines Logo
21:50 - 08:55
LTN
-
TRS
10h 05m
1 stop
Multiple Airlines Logo
10:30 - 18:05
TRS
-
LTN
8h 35m
1 stop
£85Multiple Airlines
Thu, 15 Oct - Thu, 22 Oct
Multiple Airlines Logo
21:50 - 10:05
LTN
-
TRS
11h 15m
1 stop
Multiple Airlines Logo
15:45 - 00:50
TRS
-
LTN
10h 05m
1 stop
£96Multiple Airlines
Wed, 9 Sep - Fri, 11 Sep
ITA Airways Logo
16:30 - 22:55
LHR
-
TRS
5h 25m
1 stop
ITA Airways Logo
06:35 - 15:40
TRS
-
LHR
10h 05m
1 stop
£120ITA Airways
Sat, 15 Aug - Thu, 27 Aug
ITA Airways Logo
16:30 - 22:55
LHR
-
TRS
5h 25m
1 stop
ITA Airways Logo
06:35 - 15:40
TRS
-
LHR
10h 05m
1 stop
£121ITA Airways
Fri, 7 Aug - Fri, 14 Aug
United Airlines Logo
14:00 - 10:25
GLA
-
TRS
43h 25m
2 stops
United Airlines Logo
06:35 - 10:10
TRS
-
GLA
28h 35m
2 stops
£13,255United Airlines
Tue, 8 Sep - Sat, 26 Sep

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Ryanair flights from United Kingdom to Trieste

Our best Ryanair deals on United Kingdom to Trieste flight tickets
Ryanair
15 Sept
STN18:45London Stansted
2h 05m
TRS21:50Trieste Ronchi dei Legionari
22 Sept
TRS22:15Trieste Ronchi dei Legionari
2h 10m
STN23:25London Stansted
£38
Ryanair
26 Sept
STN20:40London Stansted
2h 05m
TRS23:45Trieste Ronchi dei Legionari
29 Sept
TRS22:15Trieste Ronchi dei Legionari
2h 10m
STN23:25London Stansted
£42
Ryanair
27 Aug
STN20:45London Stansted
2h 05m
TRS23:50Trieste Ronchi dei Legionari
8 Sept
TRS22:15Trieste Ronchi dei Legionari
2h 10m
STN23:25London Stansted
£44

Air Dolomiti flights from United Kingdom to Trieste

Our best Air Dolomiti deals on United Kingdom to Trieste flight tickets
Air Dolomiti
30 Jul
LCY09:15London City
12h 10m
1 stop
TRS22:25Trieste Ronchi dei Legionari
6 Aug
TRS14:40Trieste Ronchi dei Legionari
4h 15m
1 stop
LCY17:55London City
£216
Air Dolomiti
4 Aug
LCY09:15London City
12h 10m
1 stop
TRS22:25Trieste Ronchi dei Legionari
11 Aug
TRS14:45Trieste Ronchi dei Legionari
4h 10m
1 stop
LCY17:55London City
£217
Air Dolomiti
30 Jul
LCY09:15London City
12h 10m
1 stop
TRS22:25Trieste Ronchi dei Legionari
7 Aug
TRS14:40Trieste Ronchi dei Legionari
4h 15m
1 stop
LCY17:55London City
£221

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom 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, momondo users made 279,928 searches. Data last updated 9 July 2026.
Use the filters below to find and compare flights from the United Kingdom to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonTrieste

STN - TRS

STNTRS

London Stansted

Tue 15/9

18:45-21:50

Nonstop2h 05m

Trieste Ronchi dei Legionari

Tue 22/9

22:15-23:25

Nonstop2h 10m

£38

LondonTrieste

STN - TRS

STNTRS

London Stansted

Sat 26/9

20:40-23:45

Nonstop2h 05m

Trieste Ronchi dei Legionari

Tue 29/9

22:15-23:25

Nonstop2h 10m

£42

LondonTrieste

STN - TRS

STNTRS

London Stansted

Thu 27/8

20:45-23:50

Nonstop2h 05m

Trieste Ronchi dei Legionari

Tue 8/9

22:15-23:25

Nonstop2h 10m

£44

LondonTrieste

STN - TRS

STNTRS

London Stansted

Sat 5/9

20:40-23:45

Nonstop2h 05m

Trieste Ronchi dei Legionari

Fri 11/9

18:20-19:30

Nonstop2h 10m

£46

LondonTrieste

STN - TRS

STNTRS

London Stansted

Sat 5/9

20:40-23:45

Nonstop2h 05m

Trieste Ronchi dei Legionari

Fri 11/9

18:20-19:30

Nonstop2h 10m

£48

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 15/10

21:50-08:55

1 stop10h 05m

Trieste Ronchi dei Legionari

Thu 22/10

10:30-18:05

1 stop8h 35m

£85

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Wed 9/9

21:50-10:05

1 stop11h 15m

Trieste Ronchi dei Legionari

Fri 11/9

15:45-00:50

1 stop10h 05m

£96

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Sat 15/8

16:30-22:55

1 stop5h 25m

Trieste Ronchi dei Legionari

Thu 27/8

06:35-15:40

1 stop10h 05m

£120

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Fri 7/8

16:30-22:55

1 stop5h 25m

Trieste Ronchi dei Legionari

Fri 14/8

06:35-15:40

1 stop10h 05m

£121

GlasgowTrieste

GLA - TRS

GLATRS

Glasgow Intl

Tue 8/9

14:00-10:25

2 stops43h 25m

Trieste Ronchi dei Legionari

Sat 26/9

06:35-10:10

2 stops28h 35m

£13,255

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 United Kingdom 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 month to fly to Trieste?

The month of June is, on average, the cheapest month to fly to Trieste from United Kingdom, with most prices found around £20. The month of September is another great option to travel to Trieste, with average flight prices from United Kingdom averaging around £24.

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

On average, the least expensive day to fly to Trieste from United Kingdom is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £81. 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 £129.

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 £80. Flights to Trieste are more costly at midday, with an average ticket price of £150. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

What cabin class options are available on United Kingdom to Trieste flights?

There is only 1 cabin class available to choose from on United Kingdom 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 United Kingdom to Trieste flights?

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

Cheap United Kingdom to Trieste flight deals and tips

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

Best price found

£54

Fastest flight time

2h 05m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Trieste

1 airport
The best one-way flight to Trieste from United Kingdom in the past 72 hours is £54. The best return flight deal from United Kingdom to Trieste found on momondo in the last 72 hours is £75.
The fastest flight from United Kingdom to Trieste takes 2h 05m
Direct flights go from United Kingdom to Trieste on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airline offering direct flights is Ryanair..
There is 1 airport in Trieste. From United Kingdom there are direct flights to Trieste Ronchi dei Legionari (TRS).
Search flight deals

Frequently asked questions about flying from the United Kingdom to Trieste

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United Kingdom 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.

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

Best airlines flying from United Kingdom to Trieste

Compare and see reviews for airlines that fly from United Kingdom to Trieste with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £47Free CancellationRating
6.9
5,436 reviews
Search Ryanair flights
LufthansaPriceFrom £168Free CancellationRating
6.8
8,123 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 United Kingdom to Trieste?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United Kingdom to Trieste for you.

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

Flights from United Kingdom to Trieste with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United Kingdom 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 United Kingdom to Trieste.

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

If you are simply researching potential flights to Trieste, momondo offers a useful price alert feature which will track prices for flights to Trieste from United Kingdom and alert you when they change.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Ryanair
easyJet
British Airways
Lufthansa
Jet2
KLM
SWISS
Brussels Airlines