In terms of precipitation, rainfall in Trieste ranges from 62.0 - 114.0 inches per month. November is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit Trieste when rainfall is around 62.0 mm.

If weather is an important factor for your trip to Trieste, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from SOU to TRS?

When flying from Southampton to Trieste, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Southampton to Trieste that include hotel bookings?

Yes. In addition to deals on Southampton to Trieste flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Southampton to Trieste?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Trieste.

Can I find deals for business class flights from Southampton to Trieste?

Yes. Cheapflights offers flight deals from Southampton 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.

£186+ Cheap Flights from Southampton to Trieste

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Cheapest flights from Southampton to Trieste
Explore the most affordable flight options available from Southampton to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Fri 21/1119:50SOU - TRS

2 stops25h 50mMultiple Airlines

Sun 23/1119:05TRS - SOU

2 stops25h 15mMultiple Airlines

Deal found 28/10£186

Fri 12/1219:50SOU - TRS

1 stop25h 55mMultiple Airlines

Fri 19/1220:30TRS - SOU

1 stop13h 15mMultiple Airlines

Deal found 28/10£200

Best flights from Southampton to Trieste
Discover carefully curated flight deals from Southampton to Trieste that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2025.

Fri 21/1119:50SOU - TRS

2 stops25h 50mMultiple Airlines

Sun 23/1119:05TRS - SOU

2 stops25h 15mMultiple Airlines

Deal found 28/10£186

Fri 12/1219:50SOU - TRS

1 stop25h 55mMultiple Airlines

Fri 19/1220:30TRS - SOU

1 stop13h 15mMultiple Airlines

Deal found 28/10£200

Cheap flight deals from Southampton to Trieste

Round-trip from	£186
Popular in	December
Cheapest in	November
Average price	£81

21/11-23/11
4 total stops
51h 05m total
Southampton to Trieste

Search Deals

High demand for flights, 5% potential price rise

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£6 potential savings vs. average return price).

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Average for round-trip flights in October 2025

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Fly from

Fly to

Route

Depart

Return

Price

SouthamptonTrieste

SOU - TRS

SOUTRS

Southampton Eastleigh

Fri 21/11

19:50-22:40

2 stops25h 50m

Trieste Ronchi dei Legionari

Sun 23/11

19:05-19:20

2 stops25h 15m

£186

SouthamptonTrieste

SOU - TRS

SOUTRS

Southampton Eastleigh

Fri 12/12

19:50-22:45

1 stop25h 55m

Trieste Ronchi dei Legionari

Fri 19/12

20:30-08:45

1 stop13h 15m

£200

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Best time to book a flight from Southampton to Trieste

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

Cheapflights Insights

Everything you need to know about your flight from Southampton to Trieste

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

Currently, February is the cheapest month in which you can book a flight from Southampton to Trieste (average of £19). Flying from Southampton to Trieste in August is currently the most expensive (average of £76). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Can I find deals for flights from Southampton to Trieste that include hotel bookings?
Yes. In addition to deals on Southampton to Trieste flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southampton to Trieste?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Trieste.
Can I find deals for business class flights from Southampton to Trieste?
Yes. Cheapflights offers flight deals from Southampton 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.
What is the cheapest month to book a flight from Southampton to Trieste?
Currently, February is the cheapest month in which you can book a flight from Southampton to Trieste (average of £19). Flying from Southampton to Trieste in August is currently the most expensive (average of £76). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Can Cheapflights find flights from Southampton to Trieste with no change fees?

Certainly. Search results for flights to Trieste from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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Cheap flights from Southampton to Trieste from £186

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Southampton to Trieste

Cheapest flights from Southampton to TriesteExplore the most affordable flight options available from Southampton to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Explore the most affordable flight options available from Southampton to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Cheap flight deals from Southampton to Trieste

Round-trip from

Popular in

Cheapest in

Average price

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Best time to book a flight from Southampton to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Southampton with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Trieste

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

Related info for your journey

Find useful and relevant information for your journey from Southampton to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Southampton to Trieste that include hotel bookings?

How can I find direct flights from Southampton to Trieste?

Can I find deals for business class flights from Southampton to Trieste?

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

Travelling to a place near Trieste?

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Alternative routes for Southampton to Trieste

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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 Southampton to Trieste?

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

Can Cheapflights find flights from Southampton to Trieste with no change fees?

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

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Cheapest flights from Southampton to Trieste
Explore the most affordable flight options available from Southampton to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.