How long is the flight from London to Trieste?

Ryanair and ITA Airways can get you from London to Trieste in just under 2h 10m. Your travel time can differ by up to 4h 50m. 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 £33. Other airlines that can offer you cheap pricing are ITA Airways, from £77, and Lufthansa, from £168. Ryanair is 68% 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 Luton - Trieste Ronchi dei Legionari or London Stansted - Trieste Ronchi dei Legionari, London Heathrow - Trieste Ronchi dei Legionari is the most popular route from London to Trieste.

What are the most popular airlines that fly from London to Trieste?

Consider Ryanair, Lufthansa or ITA Airways when booking your flight. These represent the most popular airlines when flying 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.

£16+ Cheap Flights from London to Trieste

Cheapflights Tip: The best prices from London to Trieste Ronchi dei Legionari are usually found in November or December, booked 20 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 23 October 2026.

Sat 7/1107:40 -

Nonstop2h 10m

Mon 9/1111:45 -

Nonstop2h 10m

Deal found 19/10£29

Fri 4/1207:35 -

Nonstop2h 10m

Sat 12/1206:05 -

Nonstop2h 10m

Deal found 19/10£30

Sat 14/1107:40 -

Nonstop2h 10m

Mon 16/1111:45 -

Nonstop2h 10m

Deal found 20/10£31

Sat 21/1107:40 -

Nonstop2h 10m

Mon 23/1111:45 -

Nonstop2h 10m

Deal found 22/10£34

Fri 4/1207:35 -

Nonstop2h 10m

Fri 11/1206:00 -

Nonstop2h 10m

Deal found 19/10£35

Sat 5/1207:40 -

Nonstop2h 10m

Sat 12/1206:05 -

Nonstop2h 10m

Deal found 21/10£37

Sat 12/1207:40 -

Nonstop2h 10m

Thu 17/1220:20 -

Nonstop2h 10m

Deal found 19/10£39

Sat 14/1113:10 -

1 stop5h 30m

Mon 16/1106:35 -

1 stop6h 55m

Deal found 21/10£90

Sat 21/1105:00 -

1 stop11h 50m

Mon 23/1106:35 -

1 stop6h 55m

Deal found 21/10£101

Sat 7/1108:30 -

1 stop10h 10m

Mon 9/1110:45 -

1 stop10h 25m

Deal found 21/10£108

Sat 28/1110:00 -

1 stop8h 40m

Mon 30/1108:55 -

1 stop7h 50m

Deal found 21/10£109

Thu 10/1219:20 -

1 stop13h 40m

Sat 12/1206:00 -

1 stop8h 45m

Deal found 21/10£112

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 23 October 2026.

Sat 14/1107:40 -

Nonstop2h 10m

Mon 16/1111:45 -

Nonstop2h 10m

Deal found 18/10£31

Sat 5/1211:55 -

1 stop8h 30m

Sat 12/1206:05 -

Nonstop2h 10m

Deal found 21/10£55

Sat 21/1107:40 -

Nonstop2h 10m

Mon 23/1111:45 -

Nonstop2h 10m

Deal found 22/10£34

Sat 7/1115:00 -

1 stop17h 30m

Mon 9/1111:45 -

Nonstop2h 10m

Deal found 19/10£49

Sat 21/1111:55 -

1 stop8h 30m

Mon 23/1111:45 -

Nonstop2h 10m

Deal found 22/10£63

Sat 14/1110:30 -

1 stop7h 00m

Mon 16/1119:15 -

1 stop15h 25m

Deal found 18/10£142

Thu 19/1116:45 -

Nonstop2h 10m

Thu 26/1108:15 -

1 stop10h 50m

Deal found 22/10£78

Mon 16/1106:10 -

2 stops26h 40m

Mon 23/1111:45 -

Nonstop2h 10m

Deal found 19/10£80

Sat 12/1207:40 -

Nonstop2h 10m

Sat 12/1219:35 -

2 stops17h 00m

Deal found 19/10£84

Sat 21/1105:00 -

1 stop15h 25m

Mon 23/1110:45 -

1 stop6h 25m

Deal found 22/10£114

Mon 16/1110:30 -

1 stop7h 00m

Mon 23/1119:15 -

1 stop15h 25m

Deal found 19/10£145

Tue 10/1110:30 -

1 stop7h 00m

Fri 20/1119:15 -

1 stop15h 25m

Deal found 18/10£145

Sat 14/1108:40 -

2 stops11h 45m

Mon 16/1106:35 -

1 stop6h 55m

Deal found 18/10£121

Wed 2/1210:30 -

1 stop7h 00m

Wed 9/1219:15 -

1 stop15h 25m

Deal found 18/10£145

Sat 12/1205:00 -

1 stop15h 25m

Thu 17/1216:10 -

1 stop8h 35m

Deal found 19/10£121

Tue 2/316:30 -

1 stop5h 25m

Sat 6/311:15 -

1 stop5h 25m

Deal found 18/10£147

Fri 13/1116:30 -

1 stop16h 55m

Mon 16/1119:15 -

1 stop15h 25m

Deal found 18/10£153

Mon 7/1206:40 -

1 stop13h 25m

Tue 8/1207:40 -

1 stop11h 10m

Deal found 19/10£145

Wed 9/1212:55 -

2 stops22h 00m

Fri 8/113:35 -

1 stop8h 35m

Deal found 21/10£146

Thu 19/1106:15 -

2 stops15h 05m

Thu 26/1116:10 -

1 stop8h 35m

Deal found 22/10£150

Wed 7/417:30 -

2 stops28h 25m

Thu 15/406:35 -

2 stops34h 55m

Deal found 20/10£688

Wed 2/1214:25 -

2 stops16h 10m

Wed 9/1206:35 -

2 stops12h 45m

Deal found 18/10£182

Tue 29/1208:50 -

2 stops10h 10m

Wed 6/108:00 -

2 stops12h 25m

Deal found 18/10£228

Sat 3/410:00 -

2 stops27h 30m

Mon 12/406:35 -

2 stops34h 55m

Deal found 20/10£694

Find flight deals from London to Trieste

Round-trip from	£29
One-way from	£16
Popular in	August
Cheapest in	November
Average price	£96
Good round-trip deal	£75 or less

Ryanair
7/11-9/11
Nonstop
4h 20m total
London to Trieste

Search Deals

Ryanair
30/10-31/12
Nonstop
2h 10m total
London to Trieste

Search Deals

Highest demand for flights based on searches. 25% potential increase in price (£26 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip 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 London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Fri 30/10

07:35-10:45

Nonstop2h 10m

Trieste Ronchi dei Legionari

Wed 31/12

00:00-00:00

Nonstop0h 00m

£16

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Sat 31/10

07:40-10:50

Nonstop2h 10m

Trieste Ronchi dei Legionari

Wed 31/12

00:00-00:00

Nonstop0h 00m

£16

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Sat 21/11

07:40-10:50

Nonstop2h 10m

Trieste Ronchi dei Legionari

Wed 31/12

00:00-00:00

Nonstop0h 00m

£17

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Thu 4/2

16:45-19:55

Nonstop2h 10m

Trieste Ronchi dei Legionari

Wed 31/12

00:00-00:00

Nonstop0h 00m

£22

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Fri 5/2

07:35-10:45

Nonstop2h 10m

Trieste Ronchi dei Legionari

Wed 31/12

00:00-00:00

Nonstop0h 00m

£25

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Sat 14/11

07:40-10:50

Nonstop2h 10m

Trieste Ronchi dei Legionari

Mon 16/11

11:45-12:55

Nonstop2h 10m

£31

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Sat 26/12

07:40-10:50

Nonstop2h 10m

Trieste Ronchi dei Legionari

Wed 31/12

00:00-00:00

Nonstop0h 00m

£32

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Sat 21/11

07:40-10:50

Nonstop2h 10m

Trieste Ronchi dei Legionari

Mon 23/11

11:45-12:55

Nonstop2h 10m

£34

LondonTrieste

STN London Stansted - TRS Trieste Ronchi dei Legionari

STNTRS

London Stansted

Thu 26/11

16:45-19:55

Nonstop2h 10m

Trieste Ronchi dei Legionari

Wed 31/12

00:00-00:00

Nonstop0h 00m

£36

LondonTrieste

LGW London Gatwick - TRS Trieste Ronchi dei Legionari

LGWTRS

London Gatwick

Thu 26/11

21:25-10:00

1 stop11h 35m

Trieste Ronchi dei Legionari

Wed 31/12

00:00-00:00

Nonstop0h 00m

£40

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 54 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

LHR-TRS

LGW-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

LHR-TRS

LGW-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 £160). 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 56% 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 £43 and £87 in November.
The cheapest return price found within the last 5 days was £29 on Ryanair (7 Nov–9 Nov).

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 17 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 and Lufthansa 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

5,451 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

5,451 reviews

Ryanair

6.9

Okay

5,451 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

8,292 reviews

Ryanair

6.9

Okay

5,451 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 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 10m. Your travel time can differ by up to 4h 50m. 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 £33. Other airlines that can offer you cheap pricing are ITA Airways, from £77, and Lufthansa, from £168. Ryanair is 68% 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 Luton - Trieste Ronchi dei Legionari or London Stansted - 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.
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 £160). 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 3 airlines flying from London to Trieste

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£33	Average£111	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
ITA Airways	Cheapest£77	Average£181	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
Lufthansa	Cheapest£168	Average£249	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 £16

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. 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 23 October 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 23 October 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 23 October 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 23 October 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 23 October 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 23 October 2026.

Last-minute flights from London to TriesteDiscover last-minute flight deals from London to Trieste. Data last updated 23 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Trieste. Data last updated 23 October 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 23 October 2026.

Search for one-way flight options from London to Trieste. Find affordable one-way fares based on user searches. Data last updated 23 October 2026.

Find flight deals from London to Trieste

Round-trip from

One-way from

Popular in

Cheapest in

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Good round-trip 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 23 October 2026.

It’s typically best to fly out from London to Trieste in the morning. Doing so could potentially save you 56% 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 £43 and £87 in November.The cheapest return price found within the last 5 days was £29 on Ryanair (7 Nov–9 Nov).

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 17 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 and Lufthansa 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 3 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 23 October 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 23 October 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 23 October 2026.

Last-minute flights from London to Trieste
Discover last-minute flight deals from London to Trieste. Data last updated 23 October 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 23 October 2026.

London to Trieste flights typically cost between £43 and £87 in November.
The cheapest return price found within the last 5 days was £29 on Ryanair (7 Nov–9 Nov).