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Cheap flights from London Luton Airport to Trieste from £44

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — TRS
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Luton to Trieste

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Cheapest flights from Luton to Trieste
Explore the most affordable flight options available from Luton to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Thu 4/1206:00LTN - TRS
2 stops25h 50mRyanair
Sat 13/1213:30TRS - LTN
1 stop10h 30mRyanair
Deal found 25/11£120
Sun 14/1208:25LTN - TRS
1 stop9h 55mMultiple Airlines
Mon 15/1216:55TRS - LTN
1 stop15h 45mMultiple Airlines
Deal found 25/11£124
Tue 2/1208:50LTN - TRS
1 stop10h 45mRyanair
Sat 6/1213:30TRS - LTN
1 stop10h 30mRyanair
Deal found 25/11£174
Tue 2/1208:50LTN - TRS
1 stop10h 45mMultiple Airlines
Sat 6/1213:30TRS - LTN
2 stops19h 05mMultiple Airlines
Deal found 25/11£184
Fri 28/1112:15LTN - TRS
2 stops8h 55mMultiple Airlines
Sun 30/1119:45TRS - LTN
2 stops25h 10mMultiple Airlines
Deal found 26/11£214
Mon 24/1121:40LTN - TRS
2 stops14h 40mMultiple Airlines
Fri 28/1120:30TRS - LTN
2 stops20h 10mMultiple Airlines
Deal found 24/11£270

Cheap flight deals from Luton to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) 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 27 November 2025.

Round-trip from

£83

One-way from

£44

Popular in

December

Cheapest in

November

Average price

£47
10/1-17/1
  • 10/1-17/1
  • 3 total stops
  • 39h 00m total
  • London to Trieste
Search Deals
12/1
  • 12/1
  • 1 total stop
  • 7h 05m total
  • London to Trieste
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton 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 27 November 2025.
Use the filters below to find and compare flights from London Luton Airport to Trieste that are best for you.

Fly from

Luton

Fly to

Trieste

Route

Depart

Return

Price

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sat 10/1

20:50-21:40

2 stops23h 50m

Trieste Ronchi dei Legionari

Sat 17/1

12:45-02:55

1 stop15h 10m

£83

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sun 11/1

08:05-20:40

1 stop11h 35m

Trieste Ronchi dei Legionari

Thu 29/1

21:50-13:00

2 stops16h 10m

£99

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Wed 14/1

09:15-22:55

1 stop12h 40m

Trieste Ronchi dei Legionari

Sat 17/1

12:45-02:55

1 stop15h 10m

£106

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 15/1

20:50-22:10

2 stops24h 20m

Trieste Ronchi dei Legionari

Sun 18/1

21:05-08:55

1 stop12h 50m

£108

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 8/1

20:50-22:10

2 stops24h 20m

Trieste Ronchi dei Legionari

Thu 15/1

21:50-14:00

2 stops17h 10m

£111

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sun 18/1

14:40-11:30

2 stops19h 50m

Trieste Ronchi dei Legionari

Thu 29/1

15:15-20:55

1 stop6h 40m

£123

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Mon 12/1

08:25-16:30

1 stop7h 05m

£44

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sat 10/1

09:20-22:45

1 stop12h 25m

£51

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Wed 4/3

06:50-18:50

1 stop11h 00m

£58

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 4/12

06:00-08:50

2 stops25h 50m

£74

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 12 results
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Best time to book a flight from Luton to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Luton 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 Luton Airport to Trieste

What is the cheapest month to book a flight from London Luton Airport to Trieste?

Currently, February is the cheapest month in which you can book a flight from London Luton Airport to Trieste (average of £20). Flying from London Luton Airport to Trieste in September is currently the most expensive (average of £81). 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.

Related info for your journey

Find useful and relevant information for your journey from Luton 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 Luton?

    If you book a flight to Trieste from London Luton, 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 Luton to Ronchi dei Legionari per day from 0 different airlines.

  • Can I find deals for flights from Luton to Trieste that include hotel bookings?

    Yes. In addition to deals on Luton to Trieste flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Luton to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to Trieste.

  • Can I find deals for business class flights from Luton to Trieste?

    Yes. Cheapflights offers flight deals from Luton 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 Luton Airport to Trieste?

    Currently, February is the cheapest month in which you can book a flight from London Luton Airport to Trieste (average of £20). Flying from London Luton Airport to Trieste in September is currently the most expensive (average of £81). 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.

See more FAQs

Travelling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine

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Why should you use Cheapflights to find cheap flight tickets from Luton to Trieste?

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Can Cheapflights find flights from Luton to Trieste with no change fees?

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