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Cheap flights from London Luton Airport to Trieste from £51

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — TRS
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Trieste

Enter your travel dates to find the best prices.

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 13 February 2026.

Sun 1/308:05
LTN
-
TRS
1 stop11h 35m
Ryanair
Sat 7/313:30
TRS
-
LTN
1 stop10h 30m
Ryanair
Deal found 11/2£89
Sun 8/308:25
LTN
-
TRS
1 stop9h 55m
Multiple Airlines
Mon 9/316:55
TRS
-
LTN
2 stops28h 15m
Multiple Airlines
Deal found 12/2£106
Sun 1/308:25
LTN
-
TRS
2 stops9h 55m
Multiple Airlines
Sat 7/313:30
TRS
-
LTN
1 stop10h 30m
Multiple Airlines
Deal found 11/2£108
Sun 15/308:25
LTN
-
TRS
1 stop9h 55m
Multiple Airlines
Sat 21/315:30
TRS
-
LTN
1 stop7h 30m
Multiple Airlines
Deal found 12/2£117
Thu 12/320:50
LTN
-
TRS
2 stops16h 10m
Multiple Airlines
Mon 16/318:10
TRS
-
LTN
2 stops14h 00m
Multiple Airlines
Deal found 12/2£120
Sat 14/320:50
LTN
-
TRS
2 stops16h 25m
Multiple Airlines
Sat 21/313:30
TRS
-
LTN
1 stop10h 30m
Multiple Airlines
Deal found 9/2£122
Thu 26/317:35
LTN
-
TRS
2 stops19h 25m
Multiple Airlines
Sun 29/306:05
TRS
-
LTN
1 stop7h 35m
Multiple Airlines
Deal found 11/2£128
Sat 7/305:25
LTN
-
TRS
1 stop5h 45m
Multiple Airlines
Mon 9/307:25
TRS
-
LTN
1 stop8h 10m
Multiple Airlines
Deal found 11/2£128
Fri 27/219:45
LTN
-
TRS
2 stops21h 00m
Multiple Airlines
Mon 2/314:35
TRS
-
LTN
2 stops18h 55m
Multiple Airlines
Deal found 12/2£131
Thu 14/515:15
LTN
-
TRS
2 stops16h 40m
Multiple Airlines
Sun 17/515:55
TRS
-
LTN
2 stops14h 00m
Multiple Airlines
Deal found 10/2£134
Thu 26/320:50
LTN
-
TRS
2 stops16h 10m
Multiple Airlines
Mon 30/306:00
TRS
-
LTN
1 stop6h 35m
Multiple Airlines
Deal found 11/2£136

Find 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 13 February 2026.

Round-trip from

£89

One-way from

£51

Popular in

August

Cheapest in

November

Average price

£128
Ryanair
  • Ryanair
  • 1/3-7/3
  • 2 total stops
  • 22h 05m total
  • London to Trieste
Search Deals
17/4
  • 17/4
  • 1 total stop
  • 19h 10m total
  • London to Trieste
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£23 potential increase over avg. return price).
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 February 2026
Search Deals

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 13 February 2026.
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

Sun 8/3

08:25-19:20

1 stop9h 55m

Trieste Ronchi dei Legionari

Mon 9/3

16:55-20:10

2 stops28h 15m

£106

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 27/3

05:50-19:55

1 stop13h 05m

Trieste Ronchi dei Legionari

Mon 30/3

06:00-11:35

1 stop6h 35m

£108

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sun 1/3

08:25-19:20

2 stops9h 55m

Trieste Ronchi dei Legionari

Sat 7/3

13:30-23:00

1 stop10h 30m

£108

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sat 14/3

20:50-14:15

2 stops16h 25m

Trieste Ronchi dei Legionari

Sat 21/3

13:30-23:00

1 stop10h 30m

£122

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sat 7/3

05:25-12:10

1 stop5h 45m

Trieste Ronchi dei Legionari

Mon 9/3

07:25-14:35

1 stop8h 10m

£128

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 27/2

19:45-17:45

2 stops21h 00m

Trieste Ronchi dei Legionari

Mon 2/3

14:35-08:30

2 stops18h 55m

£131

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 14/5

15:15-08:55

2 stops16h 40m

Trieste Ronchi dei Legionari

Sun 17/5

15:55-04:55

2 stops14h 00m

£134

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 26/3

20:50-14:00

2 stops16h 10m

Trieste Ronchi dei Legionari

Mon 30/3

06:00-11:35

1 stop6h 35m

£136

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sun 5/7

05:40-16:35

1 stop9h 55m

Trieste Ronchi dei Legionari

Mon 13/7

15:30-21:30

1 stop7h 00m

£151

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sun 22/3

08:25-19:20

1 stop9h 55m

Trieste Ronchi dei Legionari

Wed 25/3

06:35-18:00

2 stops12h 25m

£152

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 20 results
1
2

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, November is the cheapest month in which you can book a flight from London Luton Airport to Trieste (average of £27). Flying from London Luton Airport to Trieste in August is currently the most expensive (average of £75). 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.

  • How long is the flight from London Luton Airport to Trieste?

    Departing from London Luton Airport to Trieste will take you 11h 35m. The distance from London Luton Airport to Trieste is about 754 mi.

  • 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, November is the cheapest month in which you can book a flight from London Luton Airport to Trieste (average of £27). Flying from London Luton Airport to Trieste in August is currently the most expensive (average of £75). 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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