$58+ Cheap flights from Trieste

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TRS — SYD
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Trieste
Explore the most affordable flight options available from Trieste. Find the lowest fares based on data from user searches, with prices last updated on 8 January 2026.

Fri 15/514:40TRS - LHR
1 stop5h 00mLufthansa
Tue 19/515:30LHR - TRS
1 stop5h 55mLufthansa
Deal found 7/1$306
Thu 16/414:40TRS - LHR
1 stop8h 30mLufthansa
Sun 19/406:30LHR - TRS
1 stop6h 30mLufthansa
Deal found 6/1$322
Sun 26/419:15TRS - LHR
1 stop15h 25mITA Airways
Thu 30/416:30LHR - TRS
1 stop5h 25mITA Airways
Deal found 7/1$338
Sun 26/419:15TRS - LHR
1 stop15h 25mITA Airways
Fri 1/516:30LHR - TRS
1 stop16h 55mITA Airways
Deal found 6/1$340
Thu 5/206:15TRS - LHR
1 stop4h 30mLufthansa
Tue 10/220:15LHR - TRS
2 stops16h 45mLufthansa
Deal found 8/1$341
Fri 24/414:40TRS - LHR
1 stop8h 30mLufthansa
Sat 2/513:40LHR - TRS
2 stops7h 15mLufthansa
Deal found 6/1$356
Sun 26/415:15TRS - LHR
1 stop19h 25mITA Airways
Sat 2/516:30LHR - TRS
1 stop16h 55mITA Airways
Deal found 6/1$359
Mon 27/419:15TRS - LHR
1 stop15h 25mITA Airways
Thu 30/416:30LHR - TRS
1 stop5h 25mITA Airways
Deal found 7/1$361
Thu 23/414:40TRS - LHR
1 stop7h 00mLufthansa
Sat 25/413:40LHR - TRS
2 stops7h 15mLufthansa
Deal found 6/1$365
Sun 25/110:15TRS - SYD
3 stops34h 20mMultiple Airlines
Sun 1/314:00SYD - TRS
2 stops34h 00mMultiple Airlines
Deal found 7/1$1,854
Wed 21/111:15TRS - SYD
3 stops33h 20mMultiple Airlines
Sun 25/110:30SYD - TRS
2 stops35h 50mMultiple Airlines
Deal found 6/1$2,197
Thu 29/114:50TRS - SYD
3 stops32h 35mMultiple Airlines
Fri 20/213:35SYD - TRS
3 stops43h 10mMultiple Airlines
Deal found 6/1$2,217

Find flights from Trieste within your budget

 
Find flights departing from Trieste that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 8 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Fri 15/5

14:40-18:40

1 stop5h 00m

London Heathrow

Tue 19/5

15:30-22:25

1 stop5h 55m

$306

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Thu 16/4

14:40-22:10

1 stop8h 30m

London Heathrow

Sun 19/4

06:30-14:00

1 stop6h 30m

$322

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Thu 5/2

06:15-09:45

1 stop4h 30m

London Heathrow

Tue 10/2

20:15-14:00

2 stops16h 45m

$341

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Fri 24/4

14:40-22:10

1 stop8h 30m

London Heathrow

Sat 2/5

13:40-21:55

2 stops7h 15m

$356

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Sun 26/4

15:15-09:40

1 stop19h 25m

London Heathrow

Sat 2/5

16:30-10:25

1 stop16h 55m

$359

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Mon 27/4

19:15-09:40

1 stop15h 25m

London Heathrow

Thu 30/4

16:30-22:55

1 stop5h 25m

$361

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Sat 6/6

06:00-14:40

1 stop9h 40m

London Heathrow

Wed 10/6

13:40-22:15

2 stops7h 35m

$365

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Sat 25/4

06:00-12:50

2 stops7h 50m

London Heathrow

Sat 2/5

15:30-21:55

1 stop5h 25m

$378

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Thu 5/3

14:50-21:00

2 stops7h 10m

London Heathrow

Tue 17/3

20:15-14:00

2 stops16h 45m

$387

TriesteSydney

TRS - SYD

TRSSYD

Trieste Ronchi dei Legionari

Sun 25/1

10:15-06:35

3 stops34h 20m

Sydney Kingsford Smith

Sun 1/3

14:00-14:00

2 stops34h 00m

$1,854

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 23 results
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Best time to book a flight from Trieste

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

Travel insights for flights from Trieste

Get recent, data-driven insights about flights from Trieste including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Trieste (average of $1,382). Flying from Trieste in August will prove the most costly (average of $2,039). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Related info for your journey

Access useful and relevant information related to your journey from Trieste. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 8 January 2026.

  • What are the most popular destinations to fly to from Trieste?

    For the current month, the most popular flights from Trieste are Bari, New York, Palermo. Rome, Palermo, Catania are the most popular locations from Trieste year round.

  • What is the cheapest month to fly from Trieste?

    Currently, the cheapest month for flights from Trieste is November. The most expensive month for flights is August. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Trieste?

    Deals for flights from Trieste 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Trieste for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Trieste with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Trieste, users can toggle the no change fees filter when performing a flight search.

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

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

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Trieste?

Deals for flights from Trieste 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Trieste for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Trieste with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Trieste, users can toggle the no change fees filter when performing a flight search.

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

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

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