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

Cheapflights users have booked flights from London to Trieste round-trip from £36. Other airlines that can offer you cheap pricing are ITA Airways, from £141, and Lufthansa, from £155. Ryanair is 74% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from London to Trieste one-way?

£20 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on ITA Airways and Transavia, with prices starting from £97 and £111, respectively.

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. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from London to Trieste?

While some choose either London City - 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 is the cheapest day to fly round-trip from London to Trieste?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 66% on the overall cost on flights from London to Trieste.

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

Users have found that booking a flight from London to Trieste at least 56 days early can save you up to 284% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from London to Trieste for as little as £70 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £172 for flights departing within the next 3 days.

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

February can be a great time to fly to Trieste from London with a flight ticket averaging about £140. Cheapflights users have found deals in the month of February for as cheap as £19. The most expensive prices can be found in the month of December.

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.

£20+ Flights from London to Trieste

Cheapflights Tip: The best prices from London to Trieste Ronchi dei Legionari are usually found in February or January, booked 55 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from London to Trieste

Round-trip from	£36
One-way from	£20
Popular in	December
Cheapest in	February
Average price	£109
Good round-trip deal	£55 or less
Good one-way deal	£65 or less

Ryanair
31/5-7/6
Nonstop
4h 15m total
London to Trieste

Search Deals

Ryanair
17/6
Nonstop
2h 05m total
London to Trieste

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£6 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 April 2025.

Tue 10/607:35STN - TRS

Nonstop2h 05mRyanair

Sat 21/606:00TRS - STN

Nonstop2h 10mRyanair

Deal found 16/4£58

Fri 16/510:30STN - TRS

Nonstop2h 05mMultiple Airlines

Thu 22/512:45TRS - STN

1 stop11h 10mMultiple Airlines

Deal found 16/4£81

Thu 8/519:25LTN - TRS

1 stop24h 55mMultiple Airlines

Mon 12/507:25TRS - LTN

1 stop25h 20mMultiple Airlines

Deal found 16/4£96

Thu 8/519:15LGW - TRS

1 stop25h 05mMultiple Airlines

Thu 15/509:30TRS - LGW

1 stop13h 40mMultiple Airlines

Deal found 16/4£108

Tue 10/612:05LGW - TRS

1 stop25h 25mITA Airways

Sat 21/606:35TRS - LGW

1 stop5h 40mITA Airways

Deal found 16/4£141

Tue 30/916:50LCY - TRS

1 stop5h 05mITA Airways

Sun 5/1011:15TRS - LCY

1 stop23h 50mITA Airways

Deal found 16/4£143

Tue 10/608:30LHR - TRS

1 stop12h 55mLufthansa

Sat 21/606:30TRS - LHR

1 stop9h 10mLufthansa

Deal found 16/4£155

Thu 24/407:45LTN - TRS

1 stop24h 50mRyanair

Sat 26/419:35TRS - LTN

1 stop6h 10mRyanair

Deal found 16/4£160

Tue 8/717:00LCY - TRS

1 stop4h 25mLufthansa

Tue 15/714:45TRS - LCY

1 stop4h 50mLufthansa

Deal found 17/4£177

Wed 9/708:45LCY - TRS

1 stop4h 20mAir Dolomiti

Mon 14/706:30TRS - LCY

1 stop10h 55mAir Dolomiti

Deal found 17/4£181

Wed 9/709:20LCY - TRS

2 stops8h 10mKLM

Thu 17/706:35TRS - LCY

2 stops11h 45mKLM

Deal found 17/4£227

Mon 30/611:45LHR - TRS

2 stops10h 10mKLM

Wed 9/706:35TRS - LHR

2 stops10h 40mKLM

Deal found 17/4£237

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 April 2025.

Sat 31/507:35STN - TRS

Nonstop2h 05mRyanair

Sat 7/606:00TRS - STN

Nonstop2h 10mRyanair

Deal found 16/4£36

Fri 16/510:30STN - TRS

Nonstop2h 05mMultiple Airlines

Thu 22/512:45TRS - STN

1 stop11h 10mMultiple Airlines

Deal found 16/4£81

Tue 10/612:05LGW - TRS

1 stop25h 25mITA Airways

Sat 21/606:35TRS - LGW

1 stop5h 40mITA Airways

Deal found 16/4£141

Tue 10/608:30LHR - TRS

1 stop12h 55mLufthansa

Sat 21/606:30TRS - LHR

1 stop9h 10mLufthansa

Deal found 16/4£155

Thu 8/519:25LTN - TRS

1 stop24h 55mMultiple Airlines

Mon 12/507:25TRS - LTN

1 stop25h 20mMultiple Airlines

Deal found 16/4£96

Thu 8/519:15LGW - TRS

1 stop25h 05mMultiple Airlines

Thu 15/509:30TRS - LGW

1 stop13h 40mMultiple Airlines

Deal found 16/4£108

Thu 24/407:45LTN - TRS

1 stop24h 50mRyanair

Sat 26/419:35TRS - LTN

1 stop6h 10mRyanair

Deal found 16/4£160

Mon 16/608:40LHR - TRS

2 stops8h 50mKLM

Mon 30/606:35TRS - LHR

2 stops13h 50mKLM

Deal found 16/4£320

Sun 1/614:10LCY - TRS

1 stop5h 45mITA Airways

Sun 8/611:15TRS - LCY

1 stop23h 50mITA Airways

Deal found 16/4£183

Fri 11/717:00LCY - TRS

1 stop4h 25mLufthansa

Mon 14/706:30TRS - LCY

1 stop10h 55mLufthansa

Deal found 16/4£204

Fri 9/505:30LGW - TRS

2 stops16h 25mTurkish Airlines

Mon 12/511:15TRS - LGW

2 stops12h 10mTurkish Airlines

Deal found 16/4£477

Sun 1/607:25LHR - TRS

2 stops14h 00mMultiple Airlines

Sun 8/606:30TRS - LHR

2 stops10h 55mMultiple Airlines

Deal found 16/4£256

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

Thu 17/419:45LHR - TRS

2 stops17h 45mAir France

Sun 20/411:15TRS - LHR

2 stops11h 10mAir France

Deal found 16/4£896

Thu 24/419:45STN - TRS

Nonstop2h 05mMultiple Airlines

Sun 27/406:15TRS - STN

2 stops28h 50mMultiple Airlines

Deal found 16/4£143

Thu 24/407:45LTN - TRS

1 stop24h 50mRyanair

Sat 26/419:35TRS - LTN

1 stop6h 10mRyanair

Deal found 16/4£160

Thu 24/407:40LCY - TRS

1 stop12h 15mITA Airways

Sat 26/415:15TRS - LCY

2 stops23h 20mITA Airways

Deal found 16/4£250

Thu 24/416:30LHR - TRS

1 stop5h 05mLufthansa

Sat 26/406:30TRS - LHR

1 stop5h 10mLufthansa

Deal found 16/4£261

Thu 24/410:50LHR - TRS

2 stops10h 45mMultiple Airlines

Sat 26/411:15TRS - LHR

2 stops10h 30mMultiple Airlines

Deal found 16/4£391

Sun 27/411:45STN - TRS

Nonstop2h 05mRyanair

Thu 1/518:10TRS - STN

Nonstop2h 10mRyanair

Deal found 17/4£95

Sun 27/419:15LGW - TRS

1 stop10h 45mMultiple Airlines

Thu 1/513:15TRS - LGW

1 stop7h 30mMultiple Airlines

Deal found 17/4£128

Sun 27/419:25LTN - TRS

1 stop10h 35mMultiple Airlines

Thu 1/513:55TRS - LTN

2 stops26h 05mMultiple Airlines

Deal found 17/4£138

Sun 27/410:00LGW - TRS

2 stops27h 30mAir Europa

Thu 1/511:15TRS - LGW

2 stops22h 45mAir Europa

Deal found 17/4£1,004

Thu 8/519:25LTN - TRS

1 stop24h 55mMultiple Airlines

Mon 12/507:25TRS - LTN

1 stop25h 20mMultiple Airlines

Deal found 16/4£96

Thu 8/519:15LGW - TRS

1 stop25h 05mMultiple Airlines

Thu 15/509:30TRS - LGW

1 stop13h 40mMultiple Airlines

Deal found 16/4£108

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 April 2025.

Tue 17/607:35STN - TRS

Nonstop2h 05mRyanair

Deal found 16/4£20

Wed 11/615:10LTN - TRS

1 stop20h 00mMultiple Airlines

Deal found 16/4£46

Wed 23/420:25LGW - TRS

1 stop15h 25mMultiple Airlines

Deal found 16/4£48

Wed 11/606:00STN - TRS

1 stop29h 10mMultiple Airlines

Deal found 16/4£54

Tue 10/616:55LTN - TRS

1 stop4h 40mRyanair

Deal found 16/4£57

Tue 10/615:05LHR - TRS

1 stop23h 20mMultiple Airlines

Deal found 16/4£89

Tue 10/612:05LGW - TRS

1 stop5h 25mITA Airways

Deal found 16/4£97

Wed 11/607:40LCY - TRS

1 stop12h 15mITA Airways

Deal found 16/4£98

Fri 16/520:10STN - TRS

1 stop17h 10mTransavia

Deal found 16/4£111

Sat 24/521:30LGW - TRS

2 stops15h 25mRyanair

Deal found 16/4£112

Wed 11/616:30LHR - TRS

1 stop5h 05mLufthansa

Deal found 16/4£123

Sun 27/707:15SEN - TRS

1 stop28h 10mMultiple Airlines

Deal found 16/4£140

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonTrieste

STN - TRS

STNTRS

London Stansted

Tue 10/6

07:35-10:40

Nonstop2h 05m

Trieste Ronchi dei Legionari

Sat 21/6

06:00-07:10

Nonstop2h 10m

£58

LondonTrieste

STN - TRS

STNTRS

London Stansted

Fri 16/5

10:30-13:35

Nonstop2h 05m

Trieste Ronchi dei Legionari

Thu 22/5

12:45-22:55

1 stop11h 10m

£81

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 8/5

19:25-21:20

1 stop24h 55m

Trieste Ronchi dei Legionari

Mon 12/5

07:25-07:45

1 stop25h 20m

£96

LondonTrieste

LGW - TRS

LGWTRS

London Gatwick

Thu 8/5

19:15-21:20

1 stop25h 05m

Trieste Ronchi dei Legionari

Thu 15/5

09:30-22:10

1 stop13h 40m

£108

LondonTrieste

LGW - TRS

LGWTRS

London Gatwick

Tue 10/6

12:05-14:30

1 stop25h 25m

Trieste Ronchi dei Legionari

Sat 21/6

06:35-11:15

1 stop5h 40m

£141

LondonTrieste

LCY - TRS

LCYTRS

London City

Tue 30/9

16:50-22:55

1 stop5h 05m

Trieste Ronchi dei Legionari

Sun 5/10

11:15-10:05

1 stop23h 50m

£143

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Tue 10/6

08:30-22:25

1 stop12h 55m

Trieste Ronchi dei Legionari

Sat 21/6

06:30-14:40

1 stop9h 10m

£155

LondonTrieste

LCY - TRS

LCYTRS

London City

Tue 8/7

17:00-22:25

1 stop4h 25m

Trieste Ronchi dei Legionari

Wed 16/7

14:45-18:35

1 stop4h 50m

£177

LondonTrieste

LCY - TRS

LCYTRS

London City

Wed 9/7

08:45-14:05

1 stop4h 20m

Trieste Ronchi dei Legionari

Mon 14/7

06:30-16:25

1 stop10h 55m

£181

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 2/5

19:40-23:00

1 stop26h 20m

Trieste Ronchi dei Legionari

Mon 5/5

13:05-21:25

2 stops33h 20m

£190

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 35 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 55 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 33% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Trieste by month

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.

Temperature in Trieste by month

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).

Reviews of airlines servicing Trieste

See what other customers who have flown with KLM, Austrian Airlines and Turkish Airlines from London to Trieste have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,327 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

KLM

7.8

Good

1,327 reviews

KLM

7.8

Good

1,327 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Austrian Airlines

7.6

Good

775 reviews

KLM

7.8

Good

1,327 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Turkish Airlines

7.3

Good

3,767 reviews

KLM

7.8

Good

1,327 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Air Europa

6.9

Okay

509 reviews

KLM

7.8

Good

1,327 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Ryanair

6.8

Okay

5,036 reviews

KLM

7.8

Good

1,327 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

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.
What are the cheapest airlines flying from London to Trieste round-trip?
Cheapflights users have booked flights from London to Trieste round-trip from £36. Other airlines that can offer you cheap pricing are ITA Airways, from £141, and Lufthansa, from £155. Ryanair is 74% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from London to Trieste one-way?
£20 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on ITA Airways and Transavia, with prices starting from £97 and £111, respectively.
What are the most popular routes from London to Trieste?
While some choose either London City - 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

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Top 2 airlines flying from London to Trieste

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£31	Average£101	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Lufthansa	Cheapest£146	Average£224	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.

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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 17/6. 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 February or January, booked 55 days in advance, depart on a Tuesday or Wednesday 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 April 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 April 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 11 April 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 April 2025.

Rainfall in Trieste by month

Plan your trip to Trieste by taking into account the average rainfall totals by month.

Temperature in Trieste by month

Plan your trip to Trieste by taking into account the average temperature totals by month.

Reviews of airlines servicing Trieste

See what other customers who have flown with KLM, Austrian Airlines and Turkish Airlines from London to Trieste have to say. 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?

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

What are the cheapest airlines to fly from London to Trieste one-way?

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 London?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Trieste

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

Top 2 airlines flying from London to Trieste

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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?

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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 17 April 2025.