For the cheapest flights to Rome book 29 days before departure.
The most popular airlines on the route Trieste - Rome: Alitalia (AZ), Ryanair (FR).
The cheapest flights are on the route Ronchi dei Legionari (TRS) - Fiumicino (FCO).
Direct flights last about 1h 10min.
Direct flights available 6 days a week - Monday, Wednesday, Thursday, Friday, Saturday, Sunday.
Direct flights: Ryanair (FR), Alitalia (AZ).