How long is the flight from London to Trieste?

Ryanair, ITA Airways, and Air Dolomiti can get you from London to Trieste in just under 2h 05m. Your travel time can differ by up to 10h 05m. 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 £41. Another airline that can offer you cheap pricing is Lufthansa. Ryanair is 64% cheaper than the average price of flights available within the next 90 days to this destination.

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 Heathrow - Trieste Ronchi dei Legionari, London City - 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 2 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.

£18+ Cheap Flights from London to Trieste

Cheapflights Tip: The best prices from London to Trieste Ronchi dei Legionari are usually found in November or October, booked 31 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from London to Trieste

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 5 August 2026.

Thu 3/920:45 -

Nonstop2h 05m

Thu 17/919:10 -

Nonstop2h 10m

Deal found 3/8£31

Thu 3/920:45 -

Nonstop2h 05m

Thu 24/919:10 -

Nonstop2h 10m

Deal found 3/8£37

Thu 3/920:45 -

Nonstop2h 05m

Tue 15/922:15 -

Nonstop2h 10m

Deal found 4/8£39

Thu 3/920:45 -

Nonstop2h 05m

Thu 10/919:10 -

Nonstop2h 10m

Deal found 4/8£42

Sat 5/920:40 -

Nonstop2h 05m

Thu 24/919:10 -

Nonstop2h 10m

Deal found 4/8£45

Thu 1/1020:45 -

Nonstop2h 05m

Mon 5/1016:55 -

Nonstop2h 10m

Deal found 2/8£48

Thu 3/920:45 -

Nonstop2h 05m

Tue 8/922:15 -

Nonstop2h 10m

Deal found 3/8£50

Sat 5/920:40 -

Nonstop2h 05m

Tue 8/922:15 -

Nonstop2h 10m

Deal found 4/8£51

Thu 1/1021:50 -

1 stop10h 05m

Mon 5/1009:30 -

1 stop20h 25m

Deal found 4/8£80

Sat 21/1105:00 -

1 stop11h 50m

Sat 28/1118:25 -

1 stop9h 25m

Deal found 2/8£85

Wed 14/1005:00 -

1 stop13h 10m

Sat 17/1016:25 -

1 stop13h 30m

Deal found 4/8£88

Mon 14/906:55 -

1 stop7h 05m

Mon 21/920:10 -

2 stops24h 45m

Deal found 31/7£94

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 5 August 2026.

Sat 5/920:40 -

Nonstop2h 05m

Fri 11/918:20 -

Nonstop2h 10m

Deal found 3/8£57

Thu 1/1020:45 -

Nonstop2h 05m

Mon 5/1020:10 -

2 stops24h 25m

Deal found 2/8£77

Fri 20/1110:30 -

1 stop7h 00m

Sun 22/1119:15 -

1 stop15h 25m

Deal found 4/8£141

Thu 3/920:45 -

Nonstop2h 05m

Thu 24/910:30 -

1 stop9h 50m

Deal found 31/7£71

Fri 4/919:55 -

Nonstop2h 05m

Fri 11/922:50 -

1 stop10h 50m

Deal found 4/8£72

Fri 4/919:55 -

Nonstop2h 05m

Mon 7/923:30 -

2 stops20h 45m

Deal found 3/8£93

Sun 16/806:30 -

1 stop6h 30m

Thu 27/806:15 -

1 stop12h 25m

Deal found 5/8£194

Tue 18/809:15 -

1 stop12h 10m

Tue 25/806:20 -

1 stop12h 35m

Deal found 5/8£209

Tue 3/1105:00 -

1 stop11h 50m

Sun 8/1117:30 -

2 stops19h 35m

Deal found 2/8£96

Thu 17/920:45 -

Nonstop2h 05m

Mon 21/923:30 -

1 stop9h 25m

Deal found 3/8£92

Thu 17/914:05 -

2 stops17h 50m

Mon 21/909:30 -

2 stops23h 20m

Deal found 5/8£97

Mon 16/1119:45 -

1 stop13h 05m

Tue 17/1118:25 -

1 stop9h 25m

Deal found 1/8£97

Tue 15/915:05 -

1 stop7h 30m

Tue 22/919:30 -

2 stops16h 55m

Deal found 1/8£100

Fri 6/1110:30 -

1 stop7h 00m

Sun 8/1119:15 -

1 stop15h 25m

Deal found 4/8£160

Fri 18/919:55 -

Nonstop2h 05m

Sun 20/916:15 -

2 stops16h 05m

Deal found 4/8£103

Mon 16/1110:30 -

1 stop11h 25m

Tue 17/1106:35 -

1 stop10h 05m

Deal found 1/8£160

Thu 17/915:15 -

2 stops16h 40m

Mon 21/920:10 -

2 stops24h 45m

Deal found 5/8£105

Thu 20/808:30 -

1 stop12h 55m

Fri 28/806:10 -

1 stop12h 30m

Deal found 3/8£195

Tue 15/906:45 -

2 stops10h 45m

Tue 22/906:35 -

2 stops15h 30m

Deal found 1/8£167

Thu 1/1015:15 -

2 stops16h 40m

Mon 5/1020:10 -

2 stops24h 45m

Deal found 2/8£106

Fri 2/1009:15 -

1 stop12h 00m

Tue 6/1014:45 -

1 stop4h 10m

Deal found 2/8£210

Fri 11/908:30 -

1 stop12h 45m

Mon 14/914:50 -

1 stop6h 50m

Deal found 2/8£195

Fri 4/920:55 -

1 stop10h 10m

Fri 11/915:45 -

1 stop8h 25m

Deal found 5/8£106

Thu 19/1107:00 -

2 stops10h 30m

Mon 23/1115:15 -

2 stops6h 45m

Deal found 1/8£173

Tue 15/910:50 -

2 stops10h 35m

Tue 22/914:45 -

1 stop6h 55m

Deal found 1/8£196

Mon 17/818:30 -

1 stop18h 25m

Mon 24/806:10 -

1 stop12h 45m

Deal found 5/8£228

Mon 14/918:40 -

2 stops23h 20m

Mon 21/920:10 -

2 stops24h 45m

Deal found 31/7£108

Sat 26/916:30 -

1 stop16h 55m

Wed 30/911:15 -

1 stop5h 25m

Deal found 4/8£181

Tue 1/910:50 -

2 stops10h 35m

Mon 7/914:50 -

1 stop6h 50m

Deal found 1/8£205

Fri 18/919:40 -

1 stop11h 25m

Mon 21/906:00 -

1 stop6h 35m

Deal found 31/7£109

Find flight deals from London to Trieste

Round-trip from	£31
One-way from	£18
Popular in	December
Cheapest in	November
Average price	£164
Good round-trip deal	£111 or less
Good one-way deal	£63 or less

Ryanair
3/9-17/9
Nonstop
4h 15m total
London to Trieste

Search Deals

Ryanair
3/10
Nonstop
2h 05m total
London to Trieste

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£11 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

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

£57

LondonTrieste

STN - TRS

STNTRS

London Stansted

Thu 3/9

20:45-23:50

Nonstop2h 05m

Trieste Ronchi dei Legionari

Thu 24/9

10:30-19:20

1 stop9h 50m

£71

LondonTrieste

STN - TRS

STNTRS

London Stansted

Fri 4/9

19:55-23:00

Nonstop2h 05m

Trieste Ronchi dei Legionari

Fri 11/9

22:50-08:40

1 stop10h 50m

£72

LondonTrieste

STN - TRS

STNTRS

London Stansted

Thu 1/10

20:45-23:50

Nonstop2h 05m

Trieste Ronchi dei Legionari

Mon 5/10

20:10-19:35

2 stops24h 25m

£77

LondonTrieste

STN - TRS

STNTRS

London Stansted

Thu 17/9

20:45-23:50

Nonstop2h 05m

Trieste Ronchi dei Legionari

Mon 21/9

23:30-07:55

1 stop9h 25m

£92

LondonTrieste

STN - TRS

STNTRS

London Stansted

Fri 4/9

19:55-23:00

Nonstop2h 05m

Trieste Ronchi dei Legionari

Mon 7/9

23:30-19:15

2 stops20h 45m

£93

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Tue 3/11

05:00-17:50

1 stop11h 50m

Trieste Ronchi dei Legionari

Sun 8/11

17:30-12:05

2 stops19h 35m

£96

LondonTrieste

STN - TRS

STNTRS

London Stansted

Thu 17/9

14:05-08:55

2 stops17h 50m

Trieste Ronchi dei Legionari

Mon 21/9

09:30-07:50

2 stops23h 20m

£97

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Mon 16/11

19:45-09:50

1 stop13h 05m

Trieste Ronchi dei Legionari

Tue 17/11

18:25-02:50

1 stop9h 25m

£97

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Tue 15/9

15:05-23:35

1 stop7h 30m

Trieste Ronchi dei Legionari

Tue 22/9

19:30-11:25

2 stops16h 55m

£100

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

LON-TRS

STN-TRS

LTN-TRS

LHR-TRS

LCY-TRS

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

LON-TRS

STN-TRS

LTN-TRS

LHR-TRS

LCY-TRS

What is the cheapest month to book a flight from London to Trieste?

Currently, November is the cheapest month in which you can book a flight from London to Trieste (average of £62). Flying from London to Trieste in August is currently the most expensive (average of £154). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

It’s typically best to fly out from London to Trieste in the morning. Doing so could potentially save you 51% on the flight price compared to flying at midday, which is usually more expensive.

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 £114 and £215 in September.
The cheapest return price found within the last 5 days was £31 on Ryanair (3 Sept–17 Sept).

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 13 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

6.9

Okay

5,455 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles

Ryanair

6.9

Okay

5,455 reviews

Ryanair

6.9

Okay

5,455 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles

Lufthansa

6.8

Okay

8,176 reviews

Ryanair

6.9

Okay

5,455 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles

ITA Airways

6.7

Okay

1,308 reviews

Ryanair

6.9

Okay

5,455 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles

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 2 different airlines.
How long is the flight from London to Trieste?
Ryanair, ITA Airways, and Air Dolomiti can get you from London to Trieste in just under 2h 05m. Your travel time can differ by up to 10h 05m. 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 £41. Another airline that can offer you cheap pricing is Lufthansa. Ryanair is 64% 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 Heathrow - Trieste Ronchi dei Legionari, London City - 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.
What is the cheapest month to book a flight from London to Trieste?
Currently, November is the cheapest month in which you can book a flight from London to Trieste (average of £62). Flying from London to Trieste in August is currently the most expensive (average of £154). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from London to Trieste

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£41	Average£111	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Lufthansa	Cheapest£168	Average£248	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

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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.

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Cheap flights from London to Trieste from £18

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 5 August 2026.

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 5 August 2026.

Best flights from London to TriesteDiscover 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 5 August 2026.

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 5 August 2026.

Direct flights from London to TriesteExplore direct flight options from London to Trieste based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

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 5 August 2026.

Last-minute flights from London to TriesteDiscover last-minute flight deals from London to Trieste. Data last updated 5 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Trieste. Data last updated 5 August 2026 and is based on user searches.

One-way flights from London to TriesteSearch for one-way flight options from London to Trieste. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Search for one-way flight options from London to Trieste. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Find 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

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

What is the cheapest month to book a flight from London to Trieste?

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 5 August 2026.

It’s typically best to fly out from London to Trieste in the morning. Doing so could potentially save you 51% on the flight price compared to flying at midday, which is usually more expensive.

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 £114 and £215 in September.The cheapest return price found within the last 5 days was £31 on Ryanair (3 Sept–17 Sept).

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 13 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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?

What is the cheapest month to book a flight from London to Trieste?

Travelling to a place near Trieste?

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Alternative routes for London to Trieste

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Complete your trip

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London and Trieste flights

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Other flights from London

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Top 2 airlines flying from London to Trieste

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

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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 5 August 2026.

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 5 August 2026.

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 5 August 2026.

Last-minute flights from London to Trieste
Discover last-minute flight deals from London to Trieste. Data last updated 5 August 2026 and is based on user searches.

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 5 August 2026.

London to Trieste flights typically cost between £114 and £215 in September.
The cheapest return price found within the last 5 days was £31 on Ryanair (3 Sept–17 Sept).