Are there nonstop flights from Paris (CDG) to Ronchi dei Legionari/Trieste (TRS)?

No. The fastest connection is via Milan, about 2h 8m of total flying time.

What is the fastest connection from Paris (CDG) to Ronchi dei Legionari/Trieste (TRS)?

via Milan ≈ 2h 8m, via Frankfurt am Main ≈ 2h 14m, via Prague ≈ 2h 34m (estimated flying time, excluding layovers).

Charles de Gaulle International Airport (CDG) to Trieste Airport (TRS)・893 km

No nonstop flights. The fastest connection is via Milan (LIN), about 2h 8m of flying time (layover not included).

None.

13 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.