Cheap flights from Southampton to Trieste from £132
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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Southampton to Trieste
Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) 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 19 August 2025.
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 19 August 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 19 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Southampton to Trieste that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonTrieste
SOU - TRS
SOUTRS
Southampton Eastleigh
Wed 1/10
20:00-22:50
2 stops25h 50m
Trieste Ronchi dei Legionari
Wed 8/10
15:15-12:45
2 stops22h 30m
SouthamptonTrieste
SOU - TRS
SOUTRS
Southampton Eastleigh
Tue 2/9
09:10-21:25
1 stop11h 15m
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.
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.
Travelling to a place near Trieste?
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Alternative routes for Southampton to Trieste
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How does Cheapflights help users find flights from Southampton to Trieste?
Cheapflights helps you search for flights from Southampton to Trieste via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Southampton to Trieste?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southampton to Trieste for you. Better yet — we are completely free to use.
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?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Trieste from Southampton today and book when prices fit your budget.