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Cheap flights from London Luton Airport to Trieste from £32

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
10 Aug — 17 Aug1
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 11 July 2026.

Thu 15/1021:50
LTN
-
TRS
1 stop10h 05m
Multiple Airlines
Thu 22/1010:30
TRS
-
LTN
1 stop8h 35m
Multiple Airlines
Deal found 7/7£84
Fri 4/919:40
LTN
-
TRS
1 stop11h 25m
Ryanair
Fri 25/915:45
TRS
-
LTN
1 stop10h 05m
Ryanair
Deal found 10/7£88
Wed 9/921:50
LTN
-
TRS
1 stop11h 15m
Multiple Airlines
Fri 11/915:45
TRS
-
LTN
1 stop10h 05m
Multiple Airlines
Deal found 7/7£95
Thu 10/921:50
LTN
-
TRS
1 stop10h 05m
Multiple Airlines
Mon 14/906:40
TRS
-
LTN
1 stop12h 45m
Multiple Airlines
Deal found 7/7£102
Sat 26/920:35
LTN
-
TRS
2 stops19h 00m
Multiple Airlines
Sat 3/1016:25
TRS
-
LTN
1 stop10h 30m
Multiple Airlines
Deal found 9/7£104
Tue 8/915:20
LTN
-
TRS
1 stop7h 15m
Multiple Airlines
Thu 10/910:30
TRS
-
LTN
1 stop13h 10m
Multiple Airlines
Deal found 7/7£106
Mon 7/908:30
LTN
-
TRS
2 stops13h 35m
Multiple Airlines
Fri 11/915:45
TRS
-
LTN
1 stop10h 05m
Multiple Airlines
Deal found 9/7£107
Fri 4/919:40
LTN
-
TRS
1 stop11h 25m
Multiple Airlines
Sun 13/919:45
TRS
-
LTN
2 stops19h 50m
Multiple Airlines
Deal found 9/7£108
Thu 10/913:10
LTN
-
TRS
2 stops18h 45m
Multiple Airlines
Sat 12/908:30
TRS
-
LTN
1 stop16h 20m
Multiple Airlines
Deal found 7/7£109
Tue 1/905:40
LTN
-
TRS
1 stop6h 25m
Multiple Airlines
Wed 9/919:35
TRS
-
LTN
2 stops16h 25m
Multiple Airlines
Deal found 11/7£110

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 11 July 2026.

Round-trip from

£84

One-way from

£32

Popular in

December

Cheapest in

November

Average price

£137
15/10-22/10
  • 15/10-22/10
  • 2 total stops
  • 18h 40m 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. 8% potential increase in price (£8 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 July 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 11 July 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

Sat 5/9

06:05-23:30

1 stop16h 25m

Trieste Ronchi dei Legionari

Sat 12/9

08:30-23:50

1 stop16h 20m

£125
Fastest return journey

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 27/8

05:40-15:00

1 stop8h 20m

Trieste Ronchi dei Legionari

Sat 5/9

08:30-13:50

1 stop6h 20m

£135

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Sat 5/9

20:35-15:50

2 stops18h 15m

Trieste Ronchi dei Legionari

Sun 13/9

19:45-14:35

2 stops19h 50m

£145

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 6/8

20:50-13:10

2 stops15h 20m

Trieste Ronchi dei Legionari

Thu 13/8

10:30-18:05

1 stop8h 35m

£146

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Tue 25/8

08:25-23:20

2 stops13h 55m

Trieste Ronchi dei Legionari

Tue 1/9

19:30-22:25

2 stops27h 55m

£151

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 27/8

05:40-15:00

1 stop8h 20m

Trieste Ronchi dei Legionari

Mon 31/8

06:40-21:00

3 stops39h 20m

£152

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 4/9

12:45-20:15

1 stop6h 30m

Trieste Ronchi dei Legionari

Sun 13/9

17:00-11:00

1 stop19h 00m

£153

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 13/8

21:50-08:55

1 stop10h 05m

Trieste Ronchi dei Legionari

Mon 17/8

06:40-18:25

1 stop12h 45m

£154

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Fri 28/8

19:40-08:05

1 stop11h 25m

Trieste Ronchi dei Legionari

Mon 31/8

06:40-21:00

3 stops39h 20m

£160

LondonTrieste

LTN - TRS

LTNTRS

London Luton

Thu 20/8

20:50-13:10

2 stops15h 20m

Trieste Ronchi dei Legionari

Thu 27/8

06:35-15:25

1 stop9h 50m

£162

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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.

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.

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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Deals for Luton to Trieste flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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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