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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TRS
20 Jan — 27 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Trieste Ronchi dei Legionari are usually found in November or October, booked 13 days in advance, depart on a Wednesday or Thursday and return on a Tuesday
Cheap flight deals from London to Trieste
Enter your travel dates to find the best prices.
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 21 December 2025.
Mon 22/1217:25STN - TRS
Nonstop2h 05mRyanair
Mon 5/120:55TRS - STN
Nonstop2h 05mRyanair
Deal found 19/12£178
Sun 21/1206:45STN - TRS
Nonstop2h 05mRyanair
Mon 22/1216:55TRS - STN
1 stop15h 20mRyanair
Deal found 19/12£185
Sun 21/1207:20STN - TRS
2 stops12h 20mMultiple Airlines
Mon 22/1216:55TRS - STN
2 stops23h 30mMultiple Airlines
Deal found 19/12£225
Sun 21/1213:10LTN - TRS
1 stop6h 30mMultiple Airlines
Mon 22/1216:55TRS - LTN
1 stop15h 45mMultiple Airlines
Deal found 19/12£229
Mon 22/1221:30STN - TRS
2 stops22h 05mMultiple Airlines
Mon 5/120:55TRS - STN
Nonstop2h 05mMultiple Airlines
Deal found 19/12£230
Sun 21/1216:10LGW - TRS
2 stops18h 20mMultiple Airlines
Mon 22/1216:55TRS - LGW
2 stops28h 20mMultiple Airlines
Deal found 19/12£240
Mon 22/1207:30LCY - TRS
1 stop12h 40mITA Airways
Mon 5/107:35TRS - LCY
1 stop25h 15mITA Airways
Deal found 19/12£281
Sun 21/1208:30STN - TRS
1 stop11h 10mRyanair
Sat 27/1217:30TRS - STN
Nonstop2h 05mRyanair
Deal found 20/12£287
Mon 22/1208:45LTN - TRS
3 stops30h 15mMultiple Airlines
Mon 5/118:10TRS - LTN
2 stops15h 20mMultiple Airlines
Deal found 19/12£300
Sun 21/1208:30STN - TRS
1 stop11h 10mMultiple Airlines
Sat 27/1212:45TRS - STN
1 stop11h 55mMultiple Airlines
Deal found 20/12£321
Mon 22/1220:40LGW - TRS
3 stops20h 50mMultiple Airlines
Mon 5/118:15TRS - LGW
2 stops14h 50mMultiple Airlines
Deal found 19/12£324
Sun 21/1220:50LTN - TRS
2 stops18h 40mMultiple Airlines
Sat 27/1212:45TRS - LTN
1 stop15h 10mMultiple Airlines
Deal found 20/12£349
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 21 December 2025.
Thu 29/118:10STN - TRS
Nonstop2h 05mRyanair
Sun 1/210:15TRS - STN
Nonstop2h 05mRyanair
Deal found 20/12£35
Thu 15/118:10STN - TRS
Nonstop2h 05mRyanair
Thu 22/121:40TRS - STN
Nonstop2h 05mRyanair
Deal found 18/12£37
Mon 2/208:25LTN - TRS
1 stop7h 05mMultiple Airlines
Mon 9/216:55TRS - LTN
1 stop15h 45mMultiple Airlines
Deal found 19/12£84
Mon 2/217:25STN - TRS
Nonstop2h 05mRyanair
Mon 9/220:55TRS - STN
Nonstop2h 05mRyanair
Deal found 19/12£46
Tue 3/208:25LCY - TRS
1 stop9h 05mITA Airways
Tue 10/206:35TRS - LCY
1 stop10h 35mITA Airways
Deal found 20/12£129
Thu 15/108:30LHR - TRS
1 stop4h 40mLufthansa
Thu 22/114:50TRS - LHR
1 stop8h 30mLufthansa
Deal found 18/12£167
Thu 29/118:05STN - TRS
2 stops27h 05mMultiple Airlines
Sun 1/210:15TRS - STN
Nonstop2h 05mMultiple Airlines
Deal found 20/12£88
Thu 15/118:10STN - TRS
Nonstop2h 05mRyanair
Mon 19/118:15TRS - STN
1 stop23h 40mRyanair
Deal found 19/12£75
Mon 2/207:25STN - TRS
2 stops27h 55mMultiple Airlines
Mon 9/220:55TRS - STN
Nonstop2h 05mMultiple Airlines
Deal found 19/12£91
Thu 29/107:15LTN - TRS
1 stop5h 45mMultiple Airlines
Sun 1/219:10TRS - LTN
2 stops13h 00mMultiple Airlines
Deal found 19/12£94
Tue 3/208:50LTN - TRS
1 stop10h 45mMultiple Airlines
Tue 10/212:55TRS - LTN
1 stop10h 50mMultiple Airlines
Deal found 20/12£98
Thu 30/420:45STN - TRS
Nonstop2h 05mRyanair
Fri 8/518:50TRS - STN
Nonstop2h 10mRyanair
Deal found 20/12£105
Mon 2/207:30LCY - TRS
1 stop3h 50mITA Airways
Mon 9/219:15TRS - LCY
1 stop21h 55mITA Airways
Deal found 19/12£142
Thu 15/120:50LTN - TRS
2 stops24h 20mMultiple Airlines
Thu 22/114:25TRS - LTN
2 stops17h 45mMultiple Airlines
Deal found 18/12£99
Fri 1/516:30LHR - TRS
1 stop5h 25mITA Airways
Mon 4/515:15TRS - LHR
1 stop19h 25mITA Airways
Deal found 19/12£144
Thu 29/107:15LTN - TRS
1 stop5h 45mRyanair
Sun 1/221:05TRS - LTN
1 stop12h 50mRyanair
Deal found 20/12£109
Tue 3/207:30LHR - TRS
1 stop5h 30mLufthansa
Tue 10/206:15TRS - LHR
1 stop5h 30mLufthansa
Deal found 20/12£172
Thu 15/120:50LTN - TRS
2 stops24h 20mMultiple Airlines
Mon 19/110:30TRS - LTN
2 stops28h 30mMultiple Airlines
Deal found 19/12£108
Wed 6/516:30LHR - TRS
1 stop16h 55mITA Airways
Wed 20/519:15TRS - LHR
1 stop15h 25mITA Airways
Deal found 18/12£145
Thu 29/107:30LCY - TRS
1 stop3h 50mITA Airways
Sun 1/206:35TRS - LCY
1 stop10h 35mITA Airways
Deal found 19/12£146
Thu 15/111:30LCY - TRS
1 stop8h 40mITA Airways
Thu 22/107:35TRS - LCY
1 stop15h 15mITA Airways
Deal found 18/12£151
Tue 3/221:40LGW - TRS
2 stops20h 10mMultiple Airlines
Tue 10/214:10TRS - LGW
2 stops23h 35mMultiple Airlines
Deal found 20/12£129
Fri 13/308:25LCY - TRS
1 stop5h 05mITA Airways
Mon 16/306:35TRS - LCY
1 stop10h 35mITA Airways
Deal found 20/12£152
Mon 2/216:25LGW - TRS
1 stop5h 25mMultiple Airlines
Mon 9/218:15TRS - LGW
1 stop6h 05mMultiple Airlines
Deal found 19/12£136
Thu 15/107:30LCY - TRS
1 stop3h 50mITA Airways
Mon 19/119:15TRS - LCY
1 stop21h 55mITA Airways
Deal found 19/12£158
Wed 28/108:25LCY - TRS
1 stop9h 05mITA Airways
Sun 1/211:15TRS - LCY
1 stop5h 55mITA Airways
Deal found 19/12£161
Thu 21/516:30LHR - TRS
1 stop21h 00mITA Airways
Mon 25/519:15TRS - LHR
1 stop15h 25mITA Airways
Deal found 19/12£167
Fri 1/521:45LGW - TRS
1 stop9h 20mMultiple Airlines
Mon 4/506:00TRS - LGW
1 stop11h 05mMultiple Airlines
Deal found 19/12£167
Fri 22/516:30LHR - TRS
1 stop5h 25mITA Airways
Mon 25/515:15TRS - LHR
1 stop19h 25mITA Airways
Deal found 19/12£167
Thu 15/119:55LGW - TRS
2 stops16h 20mMultiple Airlines
Mon 19/118:15TRS - LGW
1 stop15h 55mMultiple Airlines
Deal found 19/12£167
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 21 December 2025.
Sun 1/206:45STN - TRS
Nonstop2h 05mRyanair
Sun 8/210:15TRS - STN
Nonstop2h 05mRyanair
Deal found 18/12£34
Thu 15/118:10STN - TRS
Nonstop2h 05mRyanair
Thu 22/121:40TRS - STN
Nonstop2h 05mRyanair
Deal found 18/12£37
Thu 29/118:10STN - TRS
Nonstop2h 05mRyanair
Sun 1/210:15TRS - STN
Nonstop2h 05mRyanair
Deal found 19/12£37
Thu 15/118:10STN - TRS
Nonstop2h 05mRyanair
Sun 18/110:15TRS - STN
Nonstop2h 05mRyanair
Deal found 18/12£38
Mon 2/217:25STN - TRS
Nonstop2h 05mRyanair
Mon 9/220:55TRS - STN
Nonstop2h 05mRyanair
Deal found 19/12£46
Tue 9/606:10STN - TRS
Nonstop2h 05mRyanair
Sat 13/619:05TRS - STN
Nonstop2h 10mRyanair
Deal found 18/12£61
Tue 12/506:10STN - TRS
Nonstop2h 05mRyanair
Thu 21/519:10TRS - STN
Nonstop2h 10mRyanair
Deal found 18/12£75
Thu 30/420:45STN - TRS
Nonstop2h 05mRyanair
Fri 8/518:50TRS - STN
Nonstop2h 10mRyanair
Deal found 20/12£105
Thu 30/420:45STN - TRS
Nonstop2h 05mRyanair
Thu 7/519:10TRS - STN
Nonstop2h 10mRyanair
Deal found 20/12£107
Sat 2/520:40STN - TRS
Nonstop2h 05mRyanair
Fri 8/518:50TRS - STN
Nonstop2h 10mRyanair
Deal found 20/12£114
Sat 2/520:40STN - TRS
Nonstop2h 05mRyanair
Thu 7/519:10TRS - STN
Nonstop2h 10mRyanair
Deal found 20/12£115
Last-minute flights from London to Trieste
Discover last-minute flight deals from London to Trieste. Data last updated 21 December 2025 and is based on user searches.
Thu 15/118:10STN - TRS
Nonstop2h 05mRyanair
Thu 22/121:40TRS - STN
Nonstop2h 05mRyanair
Deal found 18/12£37
Thu 15/118:10STN - TRS
Nonstop2h 05mRyanair
Mon 19/118:15TRS - STN
1 stop23h 40mRyanair
Deal found 19/12£75
Thu 15/118:10STN - TRS
Nonstop2h 05mMultiple Airlines
Mon 19/118:15TRS - STN
2 stops18h 15mMultiple Airlines
Deal found 19/12£93
Thu 15/120:50LTN - TRS
2 stops24h 20mMultiple Airlines
Thu 22/114:25TRS - LTN
2 stops17h 45mMultiple Airlines
Deal found 18/12£99
Thu 15/120:50LTN - TRS
2 stops24h 20mMultiple Airlines
Mon 19/110:30TRS - LTN
2 stops28h 30mMultiple Airlines
Deal found 19/12£108
Thu 15/111:30LCY - TRS
1 stop8h 40mITA Airways
Thu 22/107:35TRS - LCY
1 stop15h 15mITA Airways
Deal found 18/12£151
Thu 15/107:30LCY - TRS
1 stop3h 50mITA Airways
Mon 19/119:15TRS - LCY
1 stop21h 55mITA Airways
Deal found 19/12£158
Thu 29/118:10STN - TRS
Nonstop2h 05mRyanair
Sun 1/210:15TRS - STN
Nonstop2h 05mRyanair
Deal found 20/12£35
Thu 29/118:05STN - TRS
2 stops27h 05mMultiple Airlines
Sun 1/210:15TRS - STN
Nonstop2h 05mMultiple Airlines
Deal found 20/12£88
Thu 29/107:15LTN - TRS
1 stop5h 45mMultiple Airlines
Sun 1/219:10TRS - LTN
2 stops13h 00mMultiple Airlines
Deal found 19/12£94
Thu 29/107:15LTN - TRS
1 stop5h 45mRyanair
Sun 1/221:05TRS - LTN
1 stop12h 50mRyanair
Deal found 19/12£109
Thu 29/107:30LCY - TRS
1 stop3h 50mITA Airways
Sun 1/206:35TRS - LCY
1 stop10h 35mITA Airways
Deal found 20/12£145
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 21 December 2025.
Thu 26/218:10STN - TRS
Nonstop2h 05mRyanair
Deal found 20/12£18
Wed 31/1218:55STN - TRS
Nonstop2h 05mRyanair
Deal found 20/12£19
Sun 22/206:45STN - TRS
Nonstop2h 05mRyanair
Deal found 20/12£20
Sun 18/106:45STN - TRS
Nonstop2h 05mRyanair
Deal found 19/12£22
Sun 15/306:45STN - TRS
Nonstop2h 05mRyanair
Deal found 19/12£28
Thu 19/318:10STN - TRS
Nonstop2h 05mRyanair
Deal found 20/12£34
Sat 21/314:00STN - TRS
Nonstop2h 05mRyanair
Deal found 19/12£35
Sat 21/214:00STN - TRS
Nonstop2h 05mRyanair
Deal found 19/12£40
Mon 15/613:25STN - TRS
Nonstop2h 05mRyanair
Deal found 19/12£43
Thu 18/620:45STN - TRS
Nonstop2h 05mRyanair
Deal found 19/12£44
Thu 26/220:30LGW - TRS
1 stop24h 40mMultiple Airlines
Deal found 20/12£52
Thu 26/206:50LTN - TRS
2 stops14h 25mMultiple Airlines
Deal found 20/12£61
Find flight deals from London to Trieste
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Trieste (TRS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 December 2025.
Customise your flight search to find flights from London to Trieste that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 December 2025.
Use the filters below to find and compare flights from London to Trieste that are best for you.
Fly from
London
Fly to
Trieste
Route
Depart
Return
Price
LondonTrieste
STN - TRS
STNTRS
London Stansted
Thu 29/1
18:10-21:15
Nonstop2h 05m
Trieste Ronchi dei Legionari
Sun 1/2
10:15-11:20
Nonstop2h 05m
£35
LondonTrieste
STN - TRS
STNTRS
London Stansted
Thu 15/1
18:10-21:15
Nonstop2h 05m
Trieste Ronchi dei Legionari
Thu 22/1
21:40-22:45
Nonstop2h 05m
£37
LondonTrieste
STN - TRS
STNTRS
London Stansted
Mon 2/2
17:25-20:30
Nonstop2h 05m
Trieste Ronchi dei Legionari
Mon 9/2
20:55-22:00
Nonstop2h 05m
£46
LondonTrieste
STN - TRS
STNTRS
London Stansted
Thu 15/1
18:10-21:15
Nonstop2h 05m
Trieste Ronchi dei Legionari
Mon 19/1
18:15-16:55
1 stop23h 40m
£75
LondonTrieste
LTN - TRS
LTNTRS
London Luton
Mon 2/2
08:25-16:30
1 stop7h 05m
Trieste Ronchi dei Legionari
Mon 9/2
16:55-07:40
1 stop15h 45m
£84
LondonTrieste
STN - TRS
STNTRS
London Stansted
Thu 29/1
18:05-22:10
2 stops27h 05m
Trieste Ronchi dei Legionari
Sun 1/2
10:15-11:20
Nonstop2h 05m
£88
LondonTrieste
STN - TRS
STNTRS
London Stansted
Mon 2/2
07:25-12:20
2 stops27h 55m
Trieste Ronchi dei Legionari
Mon 9/2
20:55-22:00
Nonstop2h 05m
£91
LondonTrieste
LTN - TRS
LTNTRS
London Luton
Thu 29/1
07:15-14:00
1 stop5h 45m
Trieste Ronchi dei Legionari
Sun 1/2
19:10-07:10
2 stops13h 00m
£94
LondonTrieste
LTN - TRS
LTNTRS
London Luton
Tue 3/2
08:50-20:35
1 stop10h 45m
Trieste Ronchi dei Legionari
Tue 10/2
12:55-22:45
1 stop10h 50m
£98
LondonTrieste
LTN - TRS
LTNTRS
London Luton
Thu 15/1
20:50-22:10
2 stops24h 20m
Trieste Ronchi dei Legionari
Thu 22/1
14:25-07:10
2 stops17h 45m
£99
Flights are sorted by cheapest return flights first.
Deals found on 20/12
Showing 1-10 of 60 results
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2
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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?
Use this chart to determine the optimal time to book a return flight from London to Trieste. Price data was last updated on 19 December 2025.
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.
What is the cheapest month to book a flight from London to Trieste?
Currently, December is the cheapest month in which you can book a flight from London to Trieste (average of £16). Flying from London to Trieste in July is currently the most expensive (average of £62). 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?
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 21 December 2025.
It’s typically best to fly out from London to Trieste at midday. Doing so could potentially save you 51% on the flight price compared to flying in the afternoon, which is usually more expensive.
Reviews of airlines servicing Trieste
Get insights into the airlines that provide service to Trieste. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trieste. Reviews last updated 21 December 2025.
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.
It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
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?
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 can get you from London to Trieste in just under 2h 05m. Your travel time will be generally consistent. Airlines will cover a distance of 731 mi. All flights are typically direct.
What are the cheapest airlines flying from London to Trieste round-trip?
Cheapflights users have booked flights from London to Trieste round-trip from £30. Other airlines that can offer you cheap pricing are ITA Airways, from £138, and Lufthansa, from £150. Ryanair is 75% 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 Heathrow - Trieste Ronchi dei Legionari or London City - Trieste Ronchi dei Legionari, London Gatwick - 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, December is the cheapest month in which you can book a flight from London to Trieste (average of £16). Flying from London to Trieste in July is currently the most expensive (average of £62). 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.
Explore flights to Trieste departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 December 2025.
Discover the top 3 airlines that operate flights from London to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from London to Trieste?
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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