$64+ 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 15/1. 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
2 Jan — 9 Jan1
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 3 December 2025.

Thu 15/106:15TRS - LHR
1 stop5h 30mLufthansa
Sun 18/107:30LHR - TRS
1 stop5h 35mLufthansa
Deal found 2/12$305
Thu 15/114:50TRS - LHR
2 stops7h 10mLufthansa
Thu 22/108:30LHR - TRS
1 stop4h 40mLufthansa
Deal found 1/12$343
Tue 28/414:40TRS - LHR
2 stops7h 05mLufthansa
Sat 2/515:30LHR - TRS
1 stop5h 25mLufthansa
Deal found 2/12$377
Wed 11/214:40TRS - LHR
2 stops9h 15mLufthansa
Mon 16/220:15LHR - TRS
2 stops16h 45mLufthansa
Deal found 2/12$392
Mon 16/214:40TRS - LHR
1 stop5h 05mLufthansa
Fri 20/217:30LHR - TRS
1 stop4h 00mLufthansa
Deal found 30/11$410
Wed 28/106:35TRS - LHR
2 stops15h 15mKLM
Sun 1/208:40LHR - TRS
2 stops8h 50mKLM
Deal found 2/12$484
Thu 8/106:35TRS - LHR
2 stops11h 25mKLM
Sun 11/108:40LHR - TRS
2 stops8h 50mKLM
Deal found 1/12$677
Fri 13/311:15TRS - SYD
3 stops34h 50mMultiple Airlines
Mon 30/314:00SYD - TRS
3 stops37h 30mMultiple Airlines
Deal found 2/12$2,300
Mon 9/306:35TRS - MEL
2 stops48h 25mEtihad Airways
Fri 13/318:20MEL - TRS
2 stops54h 10mEtihad Airways
Deal found 30/11$2,807
Wed 4/315:15TRS - SYD
2 stops40h 40mEtihad Airways
Sun 8/316:35SYD - TRS
2 stops51h 50mEtihad Airways
Deal found 30/11$2,958
Wed 17/1214:40TRS - SYD
3 stops33h 40mMultiple Airlines
Sun 21/1211:15SYD - TRS
3 stops45h 40mMultiple Airlines
Deal found 1/12$3,615
Mon 9/314:40TRS - MEL
2 stops31h 35mLufthansa
Thu 12/300:35MEL - TRS
2 stops31h 55mLufthansa
Deal found 30/11$4,417

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 3 December 2025. 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

Thu 15/1

06:15-10:45

1 stop5h 30m

London Heathrow

Sun 18/1

07:30-14:05

1 stop5h 35m

$305

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Thu 15/1

14:50-21:00

2 stops7h 10m

London Heathrow

Thu 22/1

08:30-14:10

1 stop4h 40m

$343

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Tue 28/4

14:40-20:45

2 stops7h 05m

London Heathrow

Sat 2/5

15:30-21:55

1 stop5h 25m

$377

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Wed 11/2

14:40-22:55

2 stops9h 15m

London Heathrow

Mon 16/2

20:15-14:00

2 stops16h 45m

$392

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Mon 16/2

14:40-18:45

1 stop5h 05m

London Heathrow

Fri 20/2

17:30-22:30

1 stop4h 00m

$410

TriesteLondon

TRS - LHR

TRSLHR

Trieste Ronchi dei Legionari

Thu 8/1

06:35-17:00

2 stops11h 25m

London Heathrow

Sun 11/1

08:40-18:30

2 stops8h 50m

$677

TriesteSydney

TRS - SYD

TRSSYD

Trieste Ronchi dei Legionari

Fri 13/3

11:15-08:05

3 stops34h 50m

Sydney Kingsford Smith

Mon 30/3

14:00-18:30

3 stops37h 30m

$2,300

TriesteMelbourne

TRS - MEL

TRSMEL

Trieste Ronchi dei Legionari

Mon 9/3

06:35-17:00

2 stops48h 25m

Melbourne

Fri 13/3

18:20-14:30

2 stops54h 10m

$2,807

TriesteSydney

TRS - SYD

TRSSYD

Trieste Ronchi dei Legionari

Wed 4/3

15:15-17:55

2 stops40h 40m

Sydney Kingsford Smith

Sun 8/3

16:35-10:25

2 stops51h 50m

$2,958

TriesteSydney

TRS - SYD

TRSSYD

Trieste Ronchi dei Legionari

Wed 17/12

14:40-10:20

3 stops33h 40m

Sydney Kingsford Smith

Sun 21/12

11:15-22:55

3 stops45h 40m

$3,615

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 19 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 $1,420). Flying from Trieste in August will prove the most costly (average of $2,113). 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 3 December 2025.

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

    For the current month, the most popular flights from Trieste are Palermo, Rome, Catania. 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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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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