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 £137, and Lufthansa, from £148. Ryanair is 75% 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?

£25 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 £85 and £108, 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 Gatwick - Trieste Ronchi dei Legionari or London City - 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 60% 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 43 days early can save you up to 336% on average compared to booking a flight this week. If booking 43 days before your flight isn’t an option for you, users have found flights from London to Trieste for as little as £72 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 £184 for flights departing within the next 3 days.

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

January can be a great time to fly to Trieste from London with a flight ticket averaging about £151. Cheapflights users have found deals in the month of January for as cheap as £26. 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.

£25+ Flights from London to Trieste

Cheapflights Tip: The best prices from London to Trieste Ronchi dei Legionari are usually found in January or November, booked 42 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	£25
Popular in	December
Cheapest in	January
Average price	£176
Good round-trip deal	£72 or less
Good one-way deal	£33 or less

Ryanair
13/5-14/5
Nonstop
4h 15m total
London to Trieste

Search Deals

Ryanair
30/6
Nonstop
2h 05m total
London to Trieste

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£1 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 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 28 March 2025.

Thu 24/419:45STN - TRS

Nonstop2h 05mRyanair

Mon 28/416:40TRS - STN

Nonstop2h 10mRyanair

Deal found 27/3£45

Mon 12/519:15LTN - TRS

1 stop16h 05mMultiple Airlines

Mon 19/508:30TRS - LTN

1 stop23h 50mMultiple Airlines

Deal found 28/3£73

Tue 13/507:35STN - TRS

Nonstop2h 05mMultiple Airlines

Tue 27/512:55TRS - STN

2 stops12h 55mMultiple Airlines

Deal found 27/3£95

Tue 13/521:45LGW - TRS

1 stop21h 00mMultiple Airlines

Sat 24/512:45TRS - LGW

2 stops21h 00mMultiple Airlines

Deal found 27/3£117

Mon 31/315:30LTN - TRS

2 stops19h 50mRyanair

Sat 5/412:20TRS - LTN

1 stop10h 25mRyanair

Deal found 27/3£120

Thu 12/612:05LGW - TRS

1 stop9h 50mITA Airways

Sun 15/619:15TRS - LGW

1 stop17h 00mITA Airways

Deal found 27/3£137

Mon 12/511:30LHR - TRS

1 stop10h 05mLufthansa

Mon 19/514:45TRS - LHR

1 stop4h 55mLufthansa

Deal found 28/3£148

Tue 13/507:40LCY - TRS

1 stop26h 10mITA Airways

Tue 27/513:00TRS - LCY

1 stop19h 55mITA Airways

Deal found 27/3£153

Thu 29/517:00LCY - TRS

1 stop4h 35mLufthansa

Tue 3/614:45TRS - LCY

1 stop4h 50mLufthansa

Deal found 27/3£179

Tue 13/506:30LHR - TRS

1 stop11h 00mMultiple Airlines

Wed 14/515:15TRS - LHR

1 stop8h 20mMultiple Airlines

Deal found 27/3£240

Fri 9/511:45LHR - TRS

2 stops10h 10mKLM

Mon 12/515:15TRS - LHR

2 stops20h 30mKLM

Deal found 28/3£248

Mon 30/610:00LCY - TRS

2 stops7h 35mKLM

Wed 9/706:35TRS - LCY

2 stops13h 00mKLM

Deal found 27/3£274

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 28 March 2025.

Tue 13/507:35STN - TRS

Nonstop2h 05mRyanair

Wed 14/517:00TRS - STN

Nonstop2h 10mRyanair

Deal found 27/3£36

Mon 12/519:15LTN - TRS

1 stop16h 05mMultiple Airlines

Mon 19/508:30TRS - LTN

1 stop23h 50mMultiple Airlines

Deal found 28/3£73

Thu 12/612:05LGW - TRS

1 stop9h 50mITA Airways

Sun 15/619:15TRS - LGW

1 stop17h 00mITA Airways

Deal found 27/3£137

Mon 12/511:30LHR - TRS

1 stop10h 05mLufthansa

Mon 19/514:45TRS - LHR

1 stop4h 55mLufthansa

Deal found 28/3£148

Tue 13/507:35STN - TRS

Nonstop2h 05mMultiple Airlines

Tue 13/512:55TRS - STN

1 stop11h 40mMultiple Airlines

Deal found 27/3£88

Fri 9/511:45LHR - TRS

2 stops10h 10mKLM

Mon 12/515:15TRS - LHR

2 stops20h 30mKLM

Deal found 28/3£248

Tue 13/521:45LGW - TRS

1 stop21h 00mMultiple Airlines

Sat 24/512:45TRS - LGW

2 stops21h 00mMultiple Airlines

Deal found 27/3£117

Tue 13/506:40LTN - TRS

1 stop26h 35mRyanair

Wed 14/515:15TRS - LTN

1 stop9h 20mRyanair

Deal found 27/3£130

Tue 13/507:40LCY - TRS

1 stop26h 10mITA Airways

Tue 27/513:00TRS - LCY

1 stop19h 55mITA Airways

Deal found 27/3£153

Fri 9/509:00LHR - TRS

2 stops12h 55mAir France

Mon 12/515:15TRS - LHR

2 stops20h 15mAir France

Deal found 27/3£329

Thu 29/517:00LCY - TRS

1 stop4h 35mLufthansa

Tue 3/614:45TRS - LCY

1 stop4h 50mLufthansa

Deal found 27/3£179

Tue 13/505:30LGW - TRS

2 stops16h 25mTurkish Airlines

Tue 27/511:15TRS - LGW

2 stops12h 05mTurkish Airlines

Deal found 27/3£443

Last-minute flights from London to Trieste
Discover last-minute flight deals from London to Trieste. Data last updated 28 March 2025 and is based on user searches.

Mon 31/318:15STN - TRS

Nonstop2h 05mRyanair

Tue 1/406:00TRS - STN

Nonstop2h 10mRyanair

Deal found 27/3£60

Mon 31/315:30LTN - TRS

2 stops19h 50mRyanair

Sat 5/412:20TRS - LTN

1 stop10h 25mRyanair

Deal found 27/3£120

Mon 31/320:50LHR - TRS

2 stops12h 35mMultiple Airlines

Tue 1/412:45TRS - LHR

1 stop8h 20mMultiple Airlines

Deal found 27/3£254

Wed 2/413:25STN - TRS

Nonstop2h 05mRyanair

Sun 6/415:15TRS - STN

Nonstop2h 10mRyanair

Deal found 27/3£58

Wed 2/413:20LTN - TRS

1 stop22h 10mMultiple Airlines

Sat 5/412:45TRS - LTN

1 stop14h 30mMultiple Airlines

Deal found 27/3£118

Wed 2/406:35STN - TRS

1 stop15h 25mMultiple Airlines

Sat 5/410:55TRS - STN

2 stops38h 55mMultiple Airlines

Deal found 27/3£123

Wed 2/405:55LGW - TRS

2 stops12h 50mMultiple Airlines

Sat 5/412:20TRS - LGW

1 stop7h 35mMultiple Airlines

Deal found 27/3£158

Wed 2/407:40LCY - TRS

1 stop26h 10mITA Airways

Sun 6/415:15TRS - LCY

1 stop19h 50mITA Airways

Deal found 27/3£215

Wed 2/408:05LHR - TRS

2 stops13h 20mMultiple Airlines

Sat 5/406:30TRS - LHR

2 stops10h 55mMultiple Airlines

Deal found 27/3£288

Wed 2/420:55LHR - TRS

2 stops20h 35mKLM

Sat 5/406:35TRS - LHR

2 stops15h 20mKLM

Deal found 27/3£406

Wed 2/408:40LCY - TRS

2 stops8h 50mKLM

Sat 5/415:15TRS - LCY

2 stops27h 05mKLM

Deal found 27/3£571

Wed 2/408:45LCY - TRS

1 stop12h 40mLufthansa

Sat 5/415:15TRS - LCY

2 stops27h 00mLufthansa

Deal found 27/3£707

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 28 March 2025.

Mon 30/618:15STN - TRS

Nonstop2h 05mRyanair

Deal found 27/3£25

Sun 13/419:25LTN - TRS

1 stop10h 35mMultiple Airlines

Deal found 28/3£74

Wed 3/920:25LGW - TRS

1 stop15h 25mMultiple Airlines

Deal found 27/3£74

Sun 29/614:05LTN - TRS

1 stop18h 00mRyanair

Deal found 27/3£81

Wed 3/908:30LCY - TRS

1 stop24h 55mITA Airways

Deal found 27/3£85

Sun 8/612:05LGW - TRS

1 stop5h 25mITA Airways

Deal found 27/3£86

Wed 3/909:55LHR - TRS

1 stop8h 50mMultiple Airlines

Deal found 27/3£90

Sat 28/618:45STN - TRS

2 stops14h 40mMultiple Airlines

Deal found 27/3£96

Tue 8/408:50LGW - TRS

1 stop11h 35mRyanair

Deal found 28/3£97

Thu 10/420:20STN - TRS

1 stop11h 30mTransavia

Deal found 28/3£108

Fri 27/615:30LHR - TRS

1 stop5h 55mLufthansa

Deal found 27/3£123

Tue 8/416:30LCY - TRS

2 stops16h 45mMultiple Airlines

Deal found 28/3£169

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

Sat 31/5

07:35-10:40

Nonstop2h 05m

Trieste Ronchi dei Legionari

Tue 3/6

06:00-07:10

Nonstop2h 10m

£51

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Mon 12/5

19:15-12:20

1 stop16h 05m

Trieste Ronchi dei Legionari

Mon 19/5

08:30-07:20

1 stop23h 50m

£73

LondonTrieste

STN - TRS

STNTRS

London Stansted

Tue 13/5

07:35-10:40

Nonstop2h 05m

Trieste Ronchi dei Legionari

Tue 13/5

12:55-23:35

1 stop11h 40m

£88

LondonTrieste

LGW - TRS

LGWTRS

London Gatwick

Tue 13/5

21:45-19:45

1 stop21h 00m

Trieste Ronchi dei Legionari

Sat 24/5

12:45-08:45

2 stops21h 00m

£117

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Tue 13/5

06:40-10:15

1 stop26h 35m

Trieste Ronchi dei Legionari

Wed 14/5

15:15-23:35

1 stop9h 20m

£130

LondonTrieste

LGW - TRS

LGWTRS

London Gatwick

Thu 12/6

12:05-22:55

1 stop9h 50m

Trieste Ronchi dei Legionari

Sun 15/6

19:15-11:15

1 stop17h 00m

£137

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Mon 12/5

11:30-22:35

1 stop10h 05m

Trieste Ronchi dei Legionari

Mon 19/5

14:45-18:40

1 stop4h 55m

£148

LondonTrieste

LCY - TRS

LCYTRS

London City

Tue 13/5

07:40-10:50

1 stop26h 10m

Trieste Ronchi dei Legionari

Tue 27/5

13:00-07:55

1 stop19h 55m

£153

LondonTrieste

LCY - TRS

LCYTRS

London City

Thu 29/5

17:00-22:35

1 stop4h 35m

Trieste Ronchi dei Legionari

Tue 3/6

14:45-18:35

1 stop4h 50m

£179

LondonTrieste

LHR - TRS

LHRTRS

London Heathrow

Tue 13/5

06:30-18:30

1 stop11h 00m

Trieste Ronchi dei Legionari

Wed 14/5

15:15-22:35

1 stop8h 20m

£240

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 32 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 41% 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 Air France 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

1,321 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

1,321 reviews

KLM

7.8

Good

1,321 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Austrian Airlines

7.5

Good

769 reviews

KLM

7.8

Good

1,321 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Air France

7.4

Good

1,424 reviews

KLM

7.8

Good

1,321 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Turkish Airlines

7.3

Good

3,744 reviews

KLM

7.8

Good

1,321 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Air Europa

6.9

Okay

503 reviews

KLM

7.8

Good

1,321 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 £137, and Lufthansa, from £148. Ryanair is 75% 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?
£25 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 £85 and £108, respectively.
What are the most popular routes from London to Trieste?
While some choose either London Gatwick - Trieste Ronchi dei Legionari or London City - 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£32	Average£108	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Lufthansa	Cheapest£150	Average£226	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 £25

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 30/6. 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 January or November, booked 42 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 28 March 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 28 March 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 21 March 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 28 March 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 Air France 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?

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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 28 March 2025.