How long is the flight from London to Trieste?

Ryanair and ITA Airways can get you from London to Trieste in just under 2h 05m. Your travel time can differ by up to 11h 25m. Airlines will cover a distance of 731 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from London to Trieste round-trip?

Cheapflights users have booked flights from London to Trieste round-trip from £30. Other airlines that can offer you cheap pricing are ITA Airways, from £135, and Lufthansa, from £148. Ryanair is 77% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from London to Trieste?

Travellers seeking maximum savings on their London to Trieste flight should consider departing on Thursday at midday when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Trieste ranges from 62.0 - 114.0 inches per month. November is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit Trieste when rainfall is around 62.0 mm.

If weather is an important factor for your trip to Trieste, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from London to Trieste?

While some choose either London Stansted - Trieste Ronchi dei Legionari or London Gatwick - Trieste Ronchi dei Legionari, London Heathrow - Trieste Ronchi dei Legionari is the most popular route from London to Trieste.

What airport do you fly into for flights to Trieste from London?

If you book a flight to Trieste from London, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste. There are 0 flights from London to Ronchi dei Legionari per day from 3 different airlines.

Can I find deals for flights from London to Trieste that include hotel bookings?

Yes. In addition to deals on London to Trieste flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Trieste?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Trieste.

Can I find deals for business class flights from London to Trieste?

Yes. Cheapflights offers flight deals from London to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£20+ Flights from London to Trieste

Q: How much does it cost for a return flight from London to Trieste?

Airfare is below average for this route at the moment. London to Trieste flights typically cost between £78 and £168 in October. The cheapest return flight price found within the last 3 days was £54 on Ryanair (3 Oct-6 Oct).

Cheapflights Tip: The best prices from London to Trieste Ronchi dei Legionari are usually found in November or April, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from London to Trieste

Round-trip from	£54
One-way from	£20
Popular in	December
Cheapest in	November
Average price	£134
Good round-trip deal	£50 or less
Good one-way deal	£29 or less

Ryanair
3/10-6/10
Nonstop
4h 15m total
London to Trieste

Search Deals

Ryanair
30/9
Nonstop
2h 05m total
London to Trieste

Search Deals

High demand for flights, 7% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from London (LON) to Trieste Ronchi dei Legionari.

Search Deals

Price to beat on a one-way flight from London (LON) to Trieste Ronchi dei Legionari.

Search Deals

Find flight deals from London to Trieste

Cheapest flights from London to Trieste
Explore the most affordable flight options available from London to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Fri 3/1014:20STN - TRS

Nonstop2h 05mRyanair

Mon 6/1016:40TRS - STN

Nonstop2h 10mRyanair

Deal found 15/9£54

Sat 25/1007:35STN - TRS

Nonstop2h 05mRyanair

Thu 30/1006:00TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£59

Fri 14/1106:30STN - TRS

Nonstop2h 05mRyanair

Sun 16/1110:15TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£60

Thu 11/1218:10STN - TRS

Nonstop2h 05mRyanair

Sun 14/1210:15TRS - STN

Nonstop2h 05mRyanair

Deal found 15/9£65

Fri 31/1006:30STN - TRS

Nonstop2h 05mRyanair

Fri 7/1110:00TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£68

Mon 6/1018:15STN - TRS

Nonstop2h 05mMultiple Airlines

Thu 9/1019:20TRS - STN

1 stop28h 30mMultiple Airlines

Deal found 16/9£82

Sat 18/1013:25STN - TRS

Nonstop2h 05mRyanair

Tue 21/1015:30TRS - STN

1 stop7h 40mRyanair

Deal found 16/9£84

Sun 28/911:45STN - TRS

Nonstop2h 05mRyanair

Fri 3/1017:50TRS - STN

Nonstop2h 10mRyanair

Deal found 15/9£87

Thu 30/1007:30STN - TRS

Nonstop2h 05mRyanair

Thu 6/1111:10TRS - STN

1 stop7h 50mRyanair

Deal found 15/9£88

Fri 14/1114:40LTN - TRS

2 stops20h 30mMultiple Airlines

Sun 16/1119:45TRS - LTN

1 stop12h 55mMultiple Airlines

Deal found 16/9£97

Fri 31/1019:45LTN - TRS

1 stop15h 25mMultiple Airlines

Fri 7/1120:30TRS - LTN

1 stop13h 25mMultiple Airlines

Deal found 16/9£100

Thu 16/1006:05LTN - TRS

1 stop11h 40mMultiple Airlines

Mon 20/1009:55TRS - LTN

2 stops22h 20mMultiple Airlines

Deal found 15/9£100

Best flights from London to Trieste
Discover carefully curated flight deals from London to Trieste that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Fri 31/1006:30STN - TRS

Nonstop2h 05mRyanair

Mon 3/1120:55TRS - STN

Nonstop2h 05mRyanair

Deal found 15/9£54

Fri 14/1114:40LTN - TRS

2 stops20h 30mMultiple Airlines

Sun 16/1110:20TRS - LTN

2 stops21h 50mMultiple Airlines

Deal found 16/9£97

Fri 3/1014:20STN - TRS

Nonstop2h 05mRyanair

Mon 6/1016:40TRS - STN

Nonstop2h 10mRyanair

Deal found 15/9£54

Thu 30/1008:25LCY - TRS

1 stop13h 30mITA Airways

Thu 6/1106:35TRS - LCY

1 stop10h 35mITA Airways

Deal found 15/9£128

Sat 25/1007:35STN - TRS

Nonstop2h 05mRyanair

Thu 30/1006:00TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£59

Fri 31/1006:30STN - TRS

Nonstop2h 05mRyanair

Fri 7/1110:00TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£59

Fri 14/1106:30STN - TRS

Nonstop2h 05mRyanair

Sun 16/1110:15TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£60

Fri 31/1016:30LHR - TRS

1 stop5h 00mLufthansa

Mon 3/1114:40TRS - LHR

1 stop8h 40mLufthansa

Deal found 15/9£172

Thu 11/1218:10STN - TRS

Nonstop2h 05mRyanair

Sun 14/1210:15TRS - STN

Nonstop2h 05mRyanair

Deal found 15/9£65

Fri 31/1019:45LTN - TRS

1 stop15h 25mMultiple Airlines

Fri 7/1120:30TRS - LTN

1 stop13h 25mMultiple Airlines

Deal found 16/9£100

Thu 16/1006:05LTN - TRS

1 stop11h 40mMultiple Airlines

Mon 20/1009:55TRS - LTN

2 stops22h 20mMultiple Airlines

Deal found 15/9£100

Fri 31/1019:45LTN - TRS

1 stop15h 25mMultiple Airlines

Tue 4/1112:45TRS - LTN

1 stop11h 00mMultiple Airlines

Deal found 15/9£102

Sun 28/911:45STN - TRS

Nonstop2h 05mRyanair

Fri 3/1017:50TRS - STN

Nonstop2h 10mRyanair

Deal found 15/9£87

Thu 16/1006:05LTN - TRS

1 stop11h 40mMultiple Airlines

Sun 19/1022:50TRS - LTN

1 stop14h 35mMultiple Airlines

Deal found 16/9£106

Fri 14/1108:25LCY - TRS

1 stop5h 05mITA Airways

Sun 16/1115:15TRS - LCY

1 stop25h 55mITA Airways

Deal found 16/9£146

Thu 30/1007:30STN - TRS

Nonstop2h 05mRyanair

Thu 6/1111:10TRS - STN

1 stop7h 50mRyanair

Deal found 15/9£88

Thu 30/1011:15LTN - TRS

1 stop7h 30mMultiple Airlines

Thu 6/1111:10TRS - LTN

1 stop12h 10mMultiple Airlines

Deal found 15/9£108

Fri 31/1008:25LCY - TRS

1 stop13h 30mITA Airways

Fri 7/1111:15TRS - LCY

1 stop5h 55mITA Airways

Deal found 16/9£149

Fri 31/1017:30LHR - TRS

1 stop4h 00mLufthansa

Fri 7/1106:25TRS - LHR

1 stop5h 20mLufthansa

Deal found 16/9£173

Fri 31/1019:45LTN - TRS

1 stop15h 25mMultiple Airlines

Mon 3/1116:55TRS - LTN

2 stops27h 30mMultiple Airlines

Deal found 15/9£109

Fri 31/1016:45LCY - TRS

1 stop5h 10mITA Airways

Tue 4/1119:15TRS - LCY

1 stop16h 40mITA Airways

Deal found 15/9£150

Thu 30/1017:30LHR - TRS

1 stop4h 10mLufthansa

Thu 6/1114:50TRS - LHR

1 stop4h 55mLufthansa

Deal found 15/9£173

Mon 6/1007:40LCY - TRS

1 stop26h 10mITA Airways

Thu 9/1011:15TRS - LCY

2 stops10h 50mITA Airways

Deal found 16/9£154

Thu 16/1008:10LGW - TRS

2 stops9h 35mMultiple Airlines

Mon 20/1013:05TRS - LGW

1 stop10h 25mMultiple Airlines

Deal found 15/9£117

Thu 16/1009:30LHR - TRS

1 stop12h 05mLufthansa

Sun 19/1006:30TRS - LHR

1 stop12h 10mLufthansa

Deal found 16/9£185

Thu 11/1216:20LGW - TRS

2 stops25h 15mMultiple Airlines

Sun 14/1221:05TRS - LGW

1 stop13h 10mMultiple Airlines

Deal found 15/9£125

Fri 7/1117:30LHR - TRS

1 stop4h 00mLufthansa

Sun 9/1115:00TRS - LHR

1 stop4h 45mLufthansa

Deal found 17/9£186

Fri 7/1108:25LCY - TRS

1 stop13h 30mITA Airways

Sun 9/1115:15TRS - LCY

1 stop25h 55mITA Airways

Deal found 17/9£180

Fri 31/1014:10LGW - TRS

1 stop7h 00mMultiple Airlines

Fri 7/1114:05TRS - LGW

1 stop9h 45mMultiple Airlines

Deal found 16/9£131

Wed 29/1013:30LHR - TRS

1 stop8h 10mLufthansa

Mon 3/1114:40TRS - LHR

2 stops7h 20mLufthansa

Deal found 15/9£197

Direct flights from London to Trieste
Explore direct flight options from London to Trieste based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Fri 3/1014:20STN - TRS

Nonstop2h 05mRyanair

Mon 6/1016:40TRS - STN

Nonstop2h 10mRyanair

Deal found 15/9£54

Sat 25/1007:35STN - TRS

Nonstop2h 05mRyanair

Thu 30/1006:00TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£59

Fri 14/1106:30STN - TRS

Nonstop2h 05mRyanair

Sun 16/1110:15TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£60

Thu 11/1218:10STN - TRS

Nonstop2h 05mRyanair

Sun 14/1210:15TRS - STN

Nonstop2h 05mRyanair

Deal found 15/9£65

Fri 31/1006:30STN - TRS

Nonstop2h 05mRyanair

Fri 7/1110:00TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£68

Sun 28/911:45STN - TRS

Nonstop2h 05mRyanair

Fri 3/1017:50TRS - STN

Nonstop2h 10mRyanair

Deal found 15/9£87

Sat 25/1007:35STN - TRS

Nonstop2h 05mRyanair

Tue 28/1015:05TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£95

Sat 25/1007:35STN - TRS

Nonstop2h 05mRyanair

Wed 29/1017:05TRS - STN

Nonstop2h 05mRyanair

Deal found 15/9£108

Last-minute flights from London to Trieste
Discover last-minute flight deals from London to Trieste. Data last updated 17 September 2025 and is based on user searches.

Sun 28/911:45STN - TRS

Nonstop2h 05mRyanair

Fri 3/1017:50TRS - STN

Nonstop2h 10mRyanair

Deal found 15/9£87

Fri 3/1014:20STN - TRS

Nonstop2h 05mRyanair

Mon 6/1016:40TRS - STN

Nonstop2h 10mRyanair

Deal found 15/9£54

Mon 6/1018:15STN - TRS

Nonstop2h 05mMultiple Airlines

Thu 9/1019:20TRS - STN

1 stop28h 30mMultiple Airlines

Deal found 16/9£82

Thu 16/1006:05LTN - TRS

1 stop11h 40mMultiple Airlines

Mon 20/1009:55TRS - LTN

2 stops22h 20mMultiple Airlines

Deal found 15/9£100

Sat 18/1013:25STN - TRS

Nonstop2h 05mRyanair

Tue 21/1015:30TRS - STN

1 stop7h 40mRyanair

Deal found 16/9£84

Sat 25/1007:35STN - TRS

Nonstop2h 05mRyanair

Thu 30/1006:00TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£59

Thu 30/1007:30STN - TRS

Nonstop2h 05mRyanair

Thu 6/1111:10TRS - STN

1 stop7h 50mRyanair

Deal found 15/9£88

Fri 31/1006:30STN - TRS

Nonstop2h 05mRyanair

Fri 7/1110:00TRS - STN

Nonstop2h 05mRyanair

Deal found 16/9£68

Fri 31/1013:30STN - TRS

1 stop5h 25mRyanair

Tue 4/1115:05TRS - STN

Nonstop2h 05mRyanair

Deal found 15/9£89

Fri 31/1006:30STN - TRS

Nonstop2h 05mMultiple Airlines

Tue 4/1112:45TRS - STN

2 stops10h 55mMultiple Airlines

Deal found 15/9£91

Fri 31/1019:45LTN - TRS

1 stop15h 25mMultiple Airlines

Fri 7/1120:30TRS - LTN

1 stop13h 25mMultiple Airlines

Deal found 16/9£100

Fri 31/1019:45LTN - TRS

1 stop15h 25mMultiple Airlines

Tue 4/1112:45TRS - LTN

1 stop11h 00mMultiple Airlines

Deal found 15/9£102

One-way flights from London to Trieste
Search for one-way flight options from London to Trieste. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Tue 30/907:35STN - TRS

Nonstop2h 05mRyanair

Deal found 16/9£20

Mon 6/1018:15STN - TRS

Nonstop2h 05mRyanair

Deal found 16/9£21

Sun 14/1206:45STN - TRS

Nonstop2h 05mRyanair

Deal found 15/9£21

Sun 16/1106:45STN - TRS

Nonstop2h 05mRyanair

Deal found 16/9£22

Wed 1/1013:25STN - TRS

Nonstop2h 05mRyanair

Deal found 16/9£23

Thu 9/1019:45STN - TRS

Nonstop2h 05mRyanair

Deal found 15/9£25

Wed 15/1013:25STN - TRS

Nonstop2h 05mRyanair

Deal found 16/9£26

Sat 18/1013:25STN - TRS

Nonstop2h 05mRyanair

Deal found 16/9£29

Wed 1/1019:15LTN - TRS

1 stop22h 30mMultiple Airlines

Deal found 16/9£29

Sun 5/1011:45STN - TRS

Nonstop2h 05mRyanair

Deal found 16/9£29

Tue 23/907:35STN - TRS

Nonstop2h 05mRyanair

Deal found 15/9£30

Wed 15/1019:15LTN - TRS

1 stop22h 30mMultiple Airlines

Deal found 15/9£30

Fly from

Fly to

Route

Depart

Return

Price

LondonTrieste

STN - TRS

STNTRS

London Stansted

Fri 31/10

06:30-09:35

Nonstop2h 05m

Trieste Ronchi dei Legionari

Mon 3/11

20:55-22:00

Nonstop2h 05m

£54

LondonTrieste

STN - TRS

STNTRS

London Stansted

Fri 3/10

14:20-17:25

Nonstop2h 05m

Trieste Ronchi dei Legionari

Mon 6/10

16:40-17:50

Nonstop2h 10m

£54

LondonTrieste

STN - TRS

STNTRS

London Stansted

Sat 25/10

07:35-10:40

Nonstop2h 05m

Trieste Ronchi dei Legionari

Thu 30/10

06:00-07:05

Nonstop2h 05m

£59

LondonTrieste

STN - TRS

STNTRS

London Stansted

Fri 31/10

06:30-09:35

Nonstop2h 05m

Trieste Ronchi dei Legionari

Fri 7/11

10:00-11:05

Nonstop2h 05m

£59

LondonTrieste

STN - TRS

STNTRS

London Stansted

Fri 14/11

06:30-09:35

Nonstop2h 05m

Trieste Ronchi dei Legionari

Sun 16/11

10:15-11:20

Nonstop2h 05m

£60

LondonTrieste

STN - TRS

STNTRS

London Stansted

Thu 11/12

18:10-21:15

Nonstop2h 05m

Trieste Ronchi dei Legionari

Sun 14/12

10:15-11:20

Nonstop2h 05m

£65

LondonTrieste

STN - TRS

STNTRS

London Stansted

Sun 28/9

11:45-14:50

Nonstop2h 05m

Trieste Ronchi dei Legionari

Fri 3/10

17:50-19:00

Nonstop2h 10m

£87

LondonTrieste

STN - TRS

STNTRS

London Stansted

Thu 30/10

07:30-10:35

Nonstop2h 05m

Trieste Ronchi dei Legionari

Thu 6/11

11:10-18:00

1 stop7h 50m

£88

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 14/11

14:40-12:10

2 stops20h 30m

Trieste Ronchi dei Legionari

Sun 16/11

10:20-07:10

2 stops21h 50m

£97

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 31/10

19:45-12:10

1 stop15h 25m

Trieste Ronchi dei Legionari

Fri 7/11

20:30-08:55

1 stop13h 25m

£100

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results

...

Best time to book a flight from London to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from London with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Trieste

How far ahead should I book a flight from London to Trieste?

The price you pay for your flight from London to Trieste may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest time of day to fly from LON to TRS?

It’s typically best to fly out from London to Trieste at midday. Doing so could potentially save you 22% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost for a return flight from London to Trieste?

What’s the top stopover airport for flights from London to Trieste?

Frankfurt am Main (FRA) – chosen by Cheapflights users on 72% of one-stop itineraries from London to Trieste on Cheapflights.

What’s the cheapest stopover airport for flights from London to Trieste?

Frankfurt am Main (FRA) is the most affordable one-stop option, with an average return flight price of £147.

What’s the fastest stopover option from London to Trieste?

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for one-stop routes: 4h 05m.

Which airport typically offers the quickest stopover for flights from London to Trieste?

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 03m.

Reviews of airlines servicing Trieste

Get a feel of what it's like to fly with Ryanair, Lufthansa, andITA Airways from London to Trieste by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Ryanair

6.8

Okay

5,157 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Ryanair

6.8

Okay

5,157 reviews

Ryanair

6.8

Okay

5,157 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Lufthansa

6.8

Okay

7,407 reviews

Ryanair

6.8

Okay

5,157 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

ITA Airways

6.7

Okay

1,036 reviews

Ryanair

6.8

Okay

5,157 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

British Airways

6.7

Okay

7,363 reviews

Ryanair

6.8

Okay

5,157 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Related info for your journey

What airport do you fly into for flights to Trieste from London?
If you book a flight to Trieste from London, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste. There are 0 flights from London to Ronchi dei Legionari per day from 3 different airlines.
How long is the flight from London to Trieste?
Ryanair and ITA Airways can get you from London to Trieste in just under 2h 05m. Your travel time can differ by up to 11h 25m. Airlines will cover a distance of 731 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London to Trieste round-trip?
Cheapflights users have booked flights from London to Trieste round-trip from £30. Other airlines that can offer you cheap pricing are ITA Airways, from £135, and Lufthansa, from £148. Ryanair is 77% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most popular routes from London to Trieste?
While some choose either London Stansted - Trieste Ronchi dei Legionari or London Gatwick - Trieste Ronchi dei Legionari, London Heathrow - Trieste Ronchi dei Legionari is the most popular route from London to Trieste.
Can I find deals for flights from London to Trieste that include hotel bookings?
Yes. In addition to deals on London to Trieste flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Trieste?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Trieste.
Can I find deals for business class flights from London to Trieste?
Yes. Cheapflights offers flight deals from London to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Udine

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Trieste

London City to Vicenza flights

Gatwick to Vicenza flights

Heathrow to Vicenza flights

Luton to Vicenza flights

Stansted to Vicenza flights

Manchester to Vicenza flights

Southend to Vicenza flights

Bristol to Vicenza flights

Edinburgh to Vicenza flights

Heathrow to Trieste flights

Birmingham to Vicenza flights

Newcastle upon Tyne to Vicenza flights

Stansted to Trieste flights

Gatwick to Trieste flights

Luton to Trieste flights

London City to Trieste flights

Liverpool to Vicenza flights

Leeds to Vicenza flights

Manchester to Trieste flights

East Midlands to Trieste flights

East Midlands to Vicenza flights

Southampton to Vicenza flights

Birmingham to Trieste flights

Norwich to Vicenza flights

Exeter to Vicenza flights

Edinburgh to Trieste flights

Darlington to Vicenza flights

Newcastle upon Tyne to Trieste flights

Leeds to Trieste flights

Doncaster to Vicenza flights

Southend to Trieste flights

Bristol to Trieste flights

Southampton to Trieste flights

Top 3 airlines flying from London to Trieste

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£30	Average£97	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
ITA Airways	Cheapest£135	Average£204	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
Lufthansa	Cheapest£148	Average£235	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Trieste?

Cheapflights makes it easy to find London to Trieste flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Trieste?

Cheapflights simply makes it quick and affordable to book flights from London to Trieste by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Trieste with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Trieste flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Trieste become cheaper?

Yes, Cheapflights offers price alerts on London to Trieste flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London to Trieste from £20

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Trieste Ronchi dei Legionari are usually found in November or April, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from London to Trieste

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from London to Trieste

Cheapest flights from London to TriesteExplore the most affordable flight options available from London to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from London to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from London to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Trieste

How far ahead should I book a flight from London to Trieste?

Use this chart to determine the optimal time to book a return flight from London to Trieste. Price data was last updated on 12 September 2025.

What is the cheapest time of day to fly from LON to TRS?

Find hourly flight availability from London to Trieste. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

How much does it cost for a return flight from London to Trieste?

What’s the top stopover airport for flights from London to Trieste?

Share of one-stop return flights from London to Trieste chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from London to Trieste?

Average return fare for one-stop flights from London to Trieste, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from London to Trieste?

Shortest average travel time for one-stop one-way flights from London to Trieste, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from London to Trieste?

Average stopover duration for one-stop one-way flights from London to Trieste, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Trieste

Get a feel of what it's like to fly with Ryanair, Lufthansa, andITA Airways from London to Trieste by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Trieste from London?

How long is the flight from London to Trieste?

What are the cheapest airlines flying from London to Trieste round-trip?

What are the most popular routes from London to Trieste?

Can I find deals for flights from London to Trieste that include hotel bookings?

How can I find direct flights from London to Trieste?

Can I find deals for business class flights from London to Trieste?

Travelling to a place near Trieste?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Trieste

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from London to Trieste

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Trieste?

Why should you use Cheapflights to find cheap flight tickets from London to Trieste?

Can Cheapflights find flights from London to Trieste with no change fees?

Can Cheapflights notify me if prices for flights from London to Trieste become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Trieste
Explore the most affordable flight options available from London to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.