This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TRS
24 Oct — 31 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
Enter your travel dates to find the best prices.
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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 24 September 2026.
Sat 7/1107:40 -
Nonstop2h 10m
Sat 14/1106:05 -
Nonstop2h 10m
Deal found 23/9£32
Sat 3/1020:40 -
Nonstop2h 05m
Fri 9/1018:20 -
Nonstop2h 10m
Deal found 19/9£35
Sat 26/920:40 -
Nonstop2h 05m
Tue 29/922:15 -
Nonstop2h 10m
Deal found 22/9£35
Thu 8/1020:45 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 20/9£36
Sat 7/1107:40 -
Nonstop2h 10m
Mon 16/1111:45 -
Nonstop2h 10m
Deal found 20/9£37
Sat 14/1107:40 -
Nonstop2h 10m
Mon 16/1111:45 -
Nonstop2h 10m
Deal found 21/9£40
Sat 14/1107:40 -
Nonstop2h 10m
Sun 15/1114:30 -
Nonstop2h 10m
Deal found 24/9£41
Tue 3/1110:30 -
1 stop11h 25m
Mon 9/1119:15 -
1 stop15h 25m
Deal found 20/9£142
Sat 14/1110:30 -
1 stop7h 00m
Mon 16/1111:15 -
1 stop23h 25m
Deal found 19/9£146
Sat 14/1110:30 -
1 stop7h 00m
Sun 15/1111:15 -
1 stop23h 25m
Deal found 24/9£148
Thu 5/1110:30 -
1 stop11h 25m
Mon 9/1119:15 -
1 stop15h 25m
Deal found 20/9£152
Thu 5/1110:30 -
1 stop22h 55m
Thu 12/1106:35 -
1 stop10h 05m
Deal found 21/9£153
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 24 September 2026.
Thu 8/1020:45 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 20/9£36
Sat 7/1107:40 -
Nonstop2h 10m
Mon 16/1111:45 -
Nonstop2h 10m
Deal found 19/9£38
Sat 14/1107:40 -
Nonstop2h 10m
Mon 16/1111:45 -
Nonstop2h 10m
Deal found 21/9£40
Sat 14/1107:40 -
Nonstop2h 10m
Sun 15/1114:30 -
Nonstop2h 10m
Deal found 24/9£41
Sun 29/1110:55 -
Nonstop2h 10m
Mon 30/1111:45 -
Nonstop2h 10m
Deal found 24/9£47
Thu 12/1116:45 -
Nonstop2h 10m
Mon 16/1111:45 -
Nonstop2h 10m
Deal found 23/9£47
Tue 2/316:30 -
1 stop5h 25m
Sat 6/311:15 -
1 stop5h 25m
Deal found 22/9£144
Sat 7/1107:40 -
Nonstop2h 10m
Sun 8/1114:30 -
Nonstop2h 10m
Deal found 24/9£47
Sat 17/1020:40 -
Nonstop2h 05m
Mon 19/1016:55 -
Nonstop2h 10m
Deal found 23/9£57
Sat 14/1110:30 -
1 stop7h 00m
Mon 16/1106:35 -
1 stop10h 05m
Deal found 19/9£151
Tue 3/1110:30 -
1 stop11h 25m
Thu 5/1106:35 -
1 stop10h 05m
Deal found 20/9£152
Sat 7/1110:30 -
1 stop11h 25m
Mon 16/1119:15 -
1 stop15h 25m
Deal found 19/9£161
Thu 12/1116:30 -
1 stop16h 55m
Sun 15/1119:15 -
1 stop15h 25m
Deal found 19/9£162
Sat 7/1110:30 -
1 stop11h 25m
Sun 8/1119:15 -
1 stop15h 25m
Deal found 24/9£164
Sun 29/1110:30 -
1 stop11h 25m
Mon 30/1119:15 -
1 stop15h 25m
Deal found 24/9£164
Thu 12/1116:30 -
1 stop16h 55m
Mon 16/1119:15 -
1 stop15h 25m
Deal found 23/9£165
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 24 September 2026.
Sat 7/1107:40 -
Nonstop2h 10m
Sat 14/1106:05 -
Nonstop2h 10m
Deal found 23/9£32
Thu 8/1020:45 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 20/9£36
Sat 7/1107:40 -
Nonstop2h 10m
Mon 16/1111:45 -
Nonstop2h 10m
Deal found 20/9£37
Sat 14/1107:40 -
Nonstop2h 10m
Mon 16/1111:45 -
Nonstop2h 10m
Deal found 21/9£40
Sat 14/1107:40 -
Nonstop2h 10m
Sun 15/1114:30 -
Nonstop2h 10m
Deal found 24/9£41
Last-minute flights from London to Trieste
Discover last-minute flight deals from London to Trieste. Data last updated 24 September 2026 and is based on user searches.
Sat 26/920:40 -
Nonstop2h 05m
Tue 29/922:15 -
Nonstop2h 10m
Deal found 22/9£35
Sat 3/1020:40 -
Nonstop2h 05m
Fri 9/1018:20 -
Nonstop2h 10m
Deal found 19/9£35
Thu 8/1020:45 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 20/9£36
Thu 8/1020:45 -
Nonstop2h 05m
Mon 12/1016:55 -
Nonstop2h 10m
Deal found 21/9£47
Thu 8/1009:30 -
1 stop11h 55m
Thu 15/1006:15 -
1 stop12h 25m
Deal found 20/9£163
Fri 9/1019:55 -
Nonstop2h 05m
Mon 12/1016:55 -
Nonstop2h 10m
Deal found 21/9£49
Mon 12/1013:25 -
Nonstop2h 05m
Thu 15/1019:10 -
Nonstop2h 10m
Deal found 21/9£62
Mon 12/1009:30 -
1 stop11h 45m
Thu 15/1006:15 -
1 stop11h 25m
Deal found 22/9£168
Wed 14/1009:30 -
1 stop11h 45m
Wed 21/1006:10 -
1 stop7h 30m
Deal found 22/9£159
Fri 16/1019:55 -
Nonstop2h 05m
Tue 20/1022:15 -
Nonstop2h 10m
Deal found 22/9£47
Fri 16/1008:30 -
1 stop12h 45m
Tue 20/1006:20 -
1 stop7h 20m
Deal found 22/9£167
Sat 17/1020:40 -
Nonstop2h 05m
Mon 19/1016:55 -
Nonstop2h 10m
Deal found 23/9£57
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 24 September 2026.
Fri 9/1019:55 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£16
Thu 8/1020:45 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£17
Sat 21/1107:40 -
Nonstop2h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£17
Thu 22/1020:45 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£20
Mon 23/1113:20 -
Nonstop2h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£21
Sun 22/1110:55 -
Nonstop2h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£26
Wed 21/1017:10 -
Nonstop2h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9£29
Sat 7/1109:55 -
1 stop8h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£56
Tue 3/1110:30 -
1 stop7h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£58
Sat 14/1109:55 -
1 stop8h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£66
Sun 29/1109:55 -
1 stop21h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£67
Sat 21/1109:55 -
1 stop8h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£69
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 24 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 24 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
Wed 14/10
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 9/10
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
Thu 8/10
20:45-23:50
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
Thu 22/10
20:45-23:50
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 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
Mon 23/11
13:20-16:30
Nonstop2h 10m
Trieste Ronchi dei Legionari
Wed 31/12
00:00-00:00
Nonstop0h 00m
£21
LondonTrieste
STN London Stansted - TRS Trieste Ronchi dei Legionari
STNTRS
London Stansted
Thu 8/10
20:45-23:50
Nonstop2h 05m
Trieste Ronchi dei Legionari
Thu 15/10
19:10-20:20
Nonstop2h 10m
£36
LondonTrieste
STN London Stansted - TRS Trieste Ronchi dei Legionari
STNTRS
London Stansted
Sat 7/11
07:40-10:50
Nonstop2h 10m
Trieste Ronchi dei Legionari
Mon 16/11
11:45-12:55
Nonstop2h 10m
£38
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
£40
Flights are sorted by cheapest return flights first.
Deals found on 20/9
Showing 1-10 of 33 resultsSorted by cheapest first
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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.
LON-TRS
STN-TRS
LHR-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
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 £161). 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 24 September 2026.
It’s typically best to fly out from London to Trieste in the morning. Doing so could potentially save you 62% 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 £72 and £134 in November.The cheapest return price found within the last 5 days was £32 on Ryanair (7 Nov–14 Nov).
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 71% 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 £150.
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 24 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 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 05m. Your travel time can differ by up to 3h 20m. 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 £42. Other airlines that can offer you cheap pricing are ITA Airways, from £78, and Lufthansa, from £170. 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 Gatwick - 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, 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 £161). 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 24 September 2026.
Explore flights to Trieste departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 September 2026.
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 7,457,451 searches. Data last updated 24 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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