This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TRS
19 Oct — 26 Oct1
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 December or November, booked 40 days in advance, depart on a Sunday or Wednesday and return on a Monday
Cheap flight deals from London to Trieste
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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 19 September 2026.
Sat 3/1020:40 -
Nonstop2h 05m
Thu 8/1019:10 -
Nonstop2h 10m
Deal found 14/9£28
Thu 8/1020:45 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 16/9£31
Sat 10/1020:40 -
Nonstop2h 05m
Sat 17/1019:05 -
Nonstop2h 10m
Deal found 15/9£33
Thu 12/1116:45 -
Nonstop2h 10m
Mon 16/1111:45 -
Nonstop2h 10m
Deal found 18/9£35
Sat 3/1020:40 -
Nonstop2h 05m
Fri 9/1018:20 -
Nonstop2h 10m
Deal found 16/9£37
Wed 14/1017:10 -
Nonstop2h 05m
Wed 21/1015:35 -
Nonstop2h 10m
Deal found 16/9£38
Fri 25/919:55 -
Nonstop2h 05m
Thu 1/1019:10 -
Nonstop2h 10m
Deal found 16/9£40
Sat 31/1006:50 -
1 stop10h 00m
Sat 7/1118:25 -
1 stop9h 25m
Deal found 16/9£71
Sat 7/1106:50 -
1 stop10h 00m
Sun 15/1118:25 -
1 stop9h 25m
Deal found 16/9£75
Thu 29/1006:50 -
1 stop10h 00m
Thu 5/1118:25 -
1 stop9h 25m
Deal found 13/9£76
Sun 1/1106:50 -
1 stop10h 00m
Sun 8/1118:25 -
1 stop9h 25m
Deal found 17/9£80
Wed 14/1021:50 -
1 stop11h 15m
Thu 22/1006:30 -
1 stop8h 30m
Deal found 16/9£84
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 19 September 2026.
Thu 8/1020:45 -
Nonstop2h 05m
Sat 17/1019:05 -
Nonstop2h 10m
Deal found 18/9£31
Wed 7/1017:10 -
Nonstop2h 05m
Tue 13/1022:15 -
Nonstop2h 10m
Deal found 16/9£31
Tue 13/1018:45 -
Nonstop2h 05m
Tue 20/1022:15 -
Nonstop2h 10m
Deal found 15/9£31
Thu 8/1020:45 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 16/9£31
Thu 29/1006:50 -
1 stop10h 00m
Thu 5/1118:25 -
1 stop9h 25m
Deal found 14/9£77
Thu 8/1020:45 -
Nonstop2h 05m
Tue 20/1022:15 -
Nonstop2h 10m
Deal found 17/9£31
Tue 2/316:30 -
1 stop5h 25m
Sat 6/311:15 -
1 stop5h 25m
Deal found 16/9£142
Thu 5/1116:45 -
Nonstop2h 10m
Mon 9/1111:45 -
Nonstop2h 10m
Deal found 14/9£52
Thu 8/1011:30 -
1 stop9h 55m
Sat 17/1006:15 -
1 stop13h 25m
Deal found 18/9£162
Sat 10/1020:40 -
Nonstop2h 05m
Mon 19/1016:55 -
Nonstop2h 10m
Deal found 15/9£54
Sat 7/1105:00 -
1 stop11h 50m
Mon 9/1108:55 -
1 stop9h 40m
Deal found 16/9£92
Mon 12/1013:25 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 15/9£55
Wed 14/1007:00 -
1 stop11h 10m
Wed 21/1015:15 -
1 stop14h 40m
Deal found 14/9£93
Mon 28/909:15 -
1 stop12h 00m
Wed 7/1006:10 -
1 stop12h 45m
Deal found 17/9£210
Thu 12/1106:15 -
2 stops15h 05m
Mon 16/1108:05 -
1 stop6h 50m
Deal found 18/9£97
Fri 9/1019:40 -
1 stop11h 25m
Sat 17/1016:25 -
1 stop10h 30m
Deal found 15/9£106
Sat 7/1110:30 -
1 stop7h 00m
Mon 9/1119:15 -
1 stop15h 25m
Deal found 16/9£151
Sat 7/1120:25 -
1 stop12h 05m
Mon 9/1110:45 -
1 stop7h 40m
Deal found 16/9£106
Thu 12/1116:30 -
1 stop5h 25m
Mon 16/1119:15 -
1 stop15h 25m
Deal found 18/9£160
Thu 8/1009:30 -
1 stop11h 55m
Sun 11/1006:10 -
1 stop12h 30m
Deal found 17/9£181
Sat 7/1116:30 -
1 stop16h 00m
Mon 9/1108:55 -
1 stop6h 15m
Deal found 16/9£93
Sat 3/1017:45 -
2 stops16h 20m
Fri 9/1009:30 -
2 stops14h 35m
Deal found 18/9£114
Thu 29/1016:30 -
1 stop5h 25m
Thu 5/1119:15 -
1 stop15h 25m
Deal found 14/9£162
Wed 14/1010:50 -
2 stops10h 25m
Wed 21/1006:10 -
1 stop11h 30m
Deal found 16/9£181
Thu 8/1008:40 -
1 stop6h 20m
Sat 17/1008:30 -
1 stop6h 50m
Deal found 18/9£114
Mon 28/909:15 -
1 stop12h 00m
Tue 6/1014:45 -
1 stop4h 10m
Deal found 17/9£210
Wed 14/1009:15 -
1 stop12h 00m
Wed 21/1006:10 -
1 stop12h 45m
Deal found 16/9£184
Thu 8/1021:50 -
1 stop10h 05m
Tue 20/1011:20 -
1 stop12h 35m
Deal found 17/9£115
Mon 2/1116:30 -
1 stop16h 55m
Mon 9/1119:15 -
1 stop15h 25m
Deal found 18/9£170
Tue 13/1010:50 -
2 stops10h 35m
Tue 20/1006:20 -
1 stop11h 20m
Deal found 15/9£188
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 19 September 2026.
Sat 3/1020:40 -
Nonstop2h 05m
Thu 8/1019:10 -
Nonstop2h 10m
Deal found 14/9£28
Thu 8/1020:45 -
Nonstop2h 05m
Tue 20/1022:15 -
Nonstop2h 10m
Deal found 17/9£31
Sat 10/1020:40 -
Nonstop2h 05m
Sat 17/1019:05 -
Nonstop2h 10m
Deal found 15/9£33
Thu 8/1020:45 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 15/9£34
Thu 12/1116:45 -
Nonstop2h 10m
Mon 16/1111:45 -
Nonstop2h 10m
Deal found 18/9£35
Sat 3/1020:40 -
Nonstop2h 05m
Fri 9/1018:20 -
Nonstop2h 10m
Deal found 16/9£37
Wed 14/1017:10 -
Nonstop2h 05m
Wed 21/1015:35 -
Nonstop2h 10m
Deal found 16/9£38
Last-minute flights from London to Trieste
Discover last-minute flight deals from London to Trieste. Data last updated 19 September 2026 and is based on user searches.
Fri 25/919:55 -
Nonstop2h 05m
Thu 1/1019:10 -
Nonstop2h 10m
Deal found 16/9£40
Sat 3/1020:40 -
Nonstop2h 05m
Thu 8/1019:10 -
Nonstop2h 10m
Deal found 14/9£28
Sat 3/1020:40 -
Nonstop2h 05m
Fri 9/1018:20 -
Nonstop2h 10m
Deal found 16/9£37
Sun 4/1009:00 -
1 stop5h 25m
Fri 9/1009:30 -
2 stops14h 35m
Deal found 18/9£93
Thu 8/1020:45 -
Nonstop2h 05m
Tue 20/1022:15 -
Nonstop2h 10m
Deal found 17/9£31
Thu 8/1020:45 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 15/9£34
Sat 10/1020:40 -
Nonstop2h 05m
Sat 17/1019:05 -
Nonstop2h 10m
Deal found 15/9£33
Wed 14/1017:10 -
Nonstop2h 05m
Wed 21/1015:35 -
Nonstop2h 10m
Deal found 16/9£38
Wed 14/1021:50 -
1 stop11h 15m
Thu 22/1006:30 -
1 stop8h 30m
Deal found 16/9£84
Wed 14/1007:00 -
1 stop11h 10m
Wed 21/1015:15 -
1 stop14h 40m
Deal found 16/9£88
Thu 29/1006:50 -
1 stop10h 00m
Thu 5/1118:25 -
1 stop9h 25m
Deal found 13/9£76
Sat 31/1006:50 -
1 stop10h 00m
Sat 7/1118:25 -
1 stop9h 25m
Deal found 16/9£71
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 19 September 2026.
Thu 1/1020:45 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£16
Wed 14/1017:10 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£16
Sun 15/1110:55 -
Nonstop2h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£17
Sat 26/920:40 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£18
Thu 12/1116:45 -
Nonstop2h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£19
Sat 17/1020:40 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£19
Mon 16/1113:20 -
Nonstop2h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£21
Fri 2/1019:55 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£22
Thu 15/1020:45 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£22
Sat 14/1107:40 -
Nonstop2h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£23
Tue 13/1018:45 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£24
Sun 11/1009:00 -
1 stop5h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/9£40
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 19 September 2026.
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 7,457,451 searches. Data last updated 19 September 2026.
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
Cheapest return flight
Fastest return journey
LondonTrieste
STN London Stansted - TRS Trieste Ronchi dei Legionari
STNTRS
London Stansted
Thu 15/10
20:45-23:50
Nonstop2h 05m
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
Thu 1/10
20:45-23:50
Nonstop2h 05m
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
Wed 7/10
17:10-20:15
Nonstop2h 05m
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
Fri 2/10
19:55-23:00
Nonstop2h 05m
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
Wed 14/10
17:10-20:15
Nonstop2h 05m
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
Sat 14/11
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
Mon 16/11
13:20-16:30
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
Sat 26/9
20:40-23:45
Nonstop2h 05m
Trieste Ronchi dei Legionari
Wed 31/12
00:00-00:00
Nonstop0h 00m
£18
LondonTrieste
STN London Stansted - TRS Trieste Ronchi dei Legionari
STNTRS
London Stansted
Fri 11/12
07:35-10:45
Nonstop2h 10m
Trieste Ronchi dei Legionari
Wed 31/12
00:00-00:00
Nonstop0h 00m
£19
LondonTrieste
STN London Stansted - TRS Trieste Ronchi dei Legionari
STNTRS
London Stansted
Sat 17/10
20:40-23:45
Nonstop2h 05m
Trieste Ronchi dei Legionari
Wed 31/12
00:00-00:00
Nonstop0h 00m
£19
Flights are sorted by cheapest return flights first.
Deals found on 13/9
Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6
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, December is the cheapest month in which you can book a flight from London to Trieste (average of £48). 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?
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 19 September 2026.
It’s typically best to fly out from London to Trieste in the morning. Doing so could potentially save you 63% 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 £71 and £133 in October.The cheapest return price found within the last 5 days was £28 on Ryanair (3 Oct–8 Oct).
What’s the top stopover airport for flights from London to Trieste?
Share of one-stop return flights from London to Trieste chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 91% of one-stop itineraries from London to Trieste on Cheapflights.
What’s the cheapest stopover airport for flights from London to Trieste?
Average return fare for one-stop flights from London to Trieste, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Rome (FCO) is the most affordable one-stop option, with an average return flight price of £145.
What’s the fastest stopover option from London to Trieste?
Shortest average travel time for one-stop one-way flights from London to Trieste, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for one-stop routes: 5h 15m.
Which airport typically offers the quickest stopover for flights from London to Trieste?
Average stopover duration for one-stop one-way flights from London to Trieste, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 2h 01m.
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 37 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 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 19 September 2026.
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.
Terrible they overbooked a didn't let 2 of our friends on, absolute shambles
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 2 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 £42. Another airline that can offer you cheap pricing is Lufthansa. Ryanair is 59% 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 Stansted - 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 £48). 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.
Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 19 September 2026.
Explore flights to Trieste departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 September 2026.
Discover the top 2 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 7,457,451 searches. Data last updated 19 September 2026.
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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