Trieste is served by Trieste Airport – Friuli Venezia Giulia Airport (TRS), which offers both domestic and international flights and is easily connected to the city center by train.
Another good option is Venice Airport, which is connected to Trieste by Flixbus or by train.
Trieste is well-connected to major Italian cities and European destinations via its main train station, Trieste Centrale. Frequent train services operate to and from cities like Venice, Milan, and Vienna.
For late arrivals or if trains or buses are not available, it is possible to book a shuttle from/to the airport (e.g., Venice or Trieste airport) with the following service: GoOpti.