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Cheap flights from London Luton Airport to Trieste from £34

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — TRS
26 Jun — 3 Jul1
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 27 May 2026.

Sun 5/721:50
LTN
-
TRS
1 stop10h 05m
Multiple Airlines
Wed 15/721:00
TRS
-
LTN
1 stop8h 55m
Multiple Airlines
Deal found 22/5£79
Thu 25/621:50
LTN
-
TRS
1 stop10h 05m
Multiple Airlines
Wed 1/721:00
TRS
-
LTN
1 stop8h 55m
Multiple Airlines
Deal found 24/5£84
Wed 10/621:50
LTN
-
TRS
1 stop11h 15m
Multiple Airlines
Fri 12/615:45
TRS
-
LTN
1 stop10h 05m
Multiple Airlines
Deal found 26/5£91
Tue 9/619:00
LTN
-
TRS
2 stops14h 20m
Ryanair
Fri 12/615:45
TRS
-
LTN
1 stop10h 05m
Ryanair
Deal found 26/5£92
Fri 10/719:40
LTN
-
TRS
1 stop11h 25m
Ryanair
Fri 17/715:45
TRS
-
LTN
1 stop10h 05m
Ryanair
Deal found 23/5£94
Mon 15/620:50
LTN
-
TRS
2 stops12h 15m
Multiple Airlines
Wed 17/615:15
TRS
-
LTN
1 stop14h 40m
Multiple Airlines
Deal found 23/5£96
Mon 6/721:35
LTN
-
TRS
2 stops11h 30m
Multiple Airlines
Thu 16/706:30
TRS
-
LTN
1 stop6h 55m
Multiple Airlines
Deal found 22/5£97
Sat 13/606:05
LTN
-
TRS
1 stop16h 25m
Multiple Airlines
Wed 1/721:00
TRS
-
LTN
1 stop8h 55m
Multiple Airlines
Deal found 26/5£98
Thu 18/613:10
LTN
-
TRS
2 stops18h 45m
Multiple Airlines
Mon 22/612:55
TRS
-
LTN
2 stops20h 35m
Multiple Airlines
Deal found 26/5£100
Wed 24/618:50
LTN
-
TRS
1 stop14h 15m
Multiple Airlines
Mon 29/618:55
TRS
-
LTN
2 stops23h 45m
Multiple Airlines
Deal found 26/5£102

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 27 May 2026.

Round-trip from

£79

One-way from

£34

Popular in

August

Cheapest in

November

Average price

£144
5/7-15/7
  • 5/7-15/7
  • 2 total stops
  • 19h 00m total
  • London to Trieste
Search Deals
13/9
  • 13/9
  • 1 total stop
  • 10h 05m total
  • London to Trieste
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£24 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 May 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 27 May 2026.
Use the filters below to find and compare flights from London Luton Airport to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 10/7

19:40-08:05

1 stop11h 25m

Trieste Ronchi dei Legionari

Fri 17/7

15:45-00:50

1 stop10h 05m

£94

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Wed 24/6

15:15-10:05

2 stops17h 50m

Trieste Ronchi dei Legionari

Mon 29/6

18:55-17:40

2 stops23h 45m

£96

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sat 13/6

06:05-23:30

1 stop16h 25m

Trieste Ronchi dei Legionari

Wed 1/7

21:00-04:55

1 stop8h 55m

£98
Fastest return journey

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Wed 24/6

21:50-10:05

1 stop11h 15m

Trieste Ronchi dei Legionari

Wed 1/7

21:00-04:55

1 stop8h 55m

£98

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 3/7

19:40-08:05

1 stop11h 25m

Trieste Ronchi dei Legionari

Tue 7/7

11:20-04:55

2 stops18h 35m

£104

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 3/7

19:40-08:05

1 stop11h 25m

Trieste Ronchi dei Legionari

Tue 7/7

11:20-22:55

1 stop12h 35m

£117

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sat 4/7

07:20-23:30

1 stop15h 10m

Trieste Ronchi dei Legionari

Tue 14/7

11:20-22:55

1 stop12h 35m

£119

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Mon 6/7

21:35-10:05

2 stops11h 30m

Trieste Ronchi dei Legionari

Thu 16/7

20:05-11:55

2 stops16h 50m

£120

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 17/7

19:40-08:05

1 stop11h 25m

Trieste Ronchi dei Legionari

Tue 21/7

11:20-22:55

1 stop12h 35m

£126

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Wed 24/6

16:05-10:05

2 stops17h 00m

Trieste Ronchi dei Legionari

Tue 30/6

11:20-04:55

2 stops18h 35m

£128

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 20 resultsSorted by cheapest first
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.

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 25m. 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.

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?

Yes, we can. To see specific flights from Luton to Trieste with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Luton to Trieste become cheaper?

Of course! You can now track prices for flights from Luton to Trieste and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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