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Cheap flights from London Luton Airport to Trieste from £32

LTN — TRS
25 Sep — 2 Oct1
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

Thu 8/1021:50 -
1 stop10h 05m
Mon 12/1009:30 -
1 stop20h 25m
Deal found 26/8£60
Thu 8/1021:50 -
1 stop10h 05m
Thu 15/1006:30 -
1 stop6h 55m
Deal found 24/8£73
Thu 8/1019:50 -
1 stop12h 05m
Tue 20/1013:30 -
1 stop5h 35m
Deal found 25/8£76
Sat 10/1006:50 -
1 stop8h 10m
Sat 17/1016:25 -
1 stop10h 30m
Deal found 25/8£78
Fri 9/1019:40 -
1 stop11h 25m
Fri 16/1009:30 -
1 stop12h 55m
Deal found 25/8£78
Wed 7/1021:50 -
1 stop11h 15m
Wed 14/1015:15 -
1 stop14h 40m
Deal found 23/8£84

Find flight deals from Luton to Trieste

Round-trip from

£60

One-way from

£32

Popular in

December

Cheapest in

November

Average price

£171
8/10-12/10
  • 8/10-12/10
  • 2 total stops
  • 30h 30m total
  • London to Trieste
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30/10
  • 30/10
  • 1 total stop
  • 26h 20m total
  • London to Trieste
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Luton Airport to Trieste that are best for you.

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Cheapest return flight

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Sat 10/10

06:50-16:00

1 stop8h 10m

Trieste Ronchi dei Legionari

Sat 17/10

16:25-01:55

1 stop10h 30m

£78

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Fri 9/10

19:40-08:05

1 stop11h 25m

Trieste Ronchi dei Legionari

Fri 16/10

09:30-21:25

1 stop12h 55m

£78

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Thu 8/10

21:50-08:55

1 stop10h 05m

Trieste Ronchi dei Legionari

Thu 15/10

06:30-12:25

1 stop6h 55m

£81

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Thu 8/10

19:50-08:55

1 stop12h 05m

Trieste Ronchi dei Legionari

Tue 20/10

13:30-18:05

1 stop5h 35m

£84

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Fri 18/9

19:40-08:05

1 stop11h 25m

Trieste Ronchi dei Legionari

Wed 23/9

14:50-23:45

1 stop9h 55m

£92

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Sat 10/10

06:50-16:00

1 stop8h 10m

Trieste Ronchi dei Legionari

Sat 24/10

16:25-05:00

1 stop13h 35m

£95
Fastest return journey

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Tue 15/9

15:05-23:35

1 stop7h 30m

Trieste Ronchi dei Legionari

Sat 26/9

08:30-13:50

1 stop6h 20m

£96

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Thu 8/10

15:15-08:55

2 stops16h 40m

Trieste Ronchi dei Legionari

Mon 12/10

15:30-04:55

1 stop14h 25m

£98

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Thu 17/9

15:15-08:55

2 stops16h 40m

Trieste Ronchi dei Legionari

Wed 23/9

14:50-23:45

1 stop9h 55m

£104
Cheapest one-way

LondonTrieste

LTN London Luton - TRS Trieste Ronchi dei Legionari

LTNTRS

London Luton

Sat 24/10

21:50-18:50

1 stop20h 00m

£40

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 19 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

Related info for your journey

  • 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.

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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