Are there nonstop flights from Ronchi dei Legionari/Trieste (TRS) to London (STN)?

Yes. Ryanair fly this route. Flight time is about 1h 53m.

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

via Rotterdam ≈ 2h 27m, via Genova ≈ 2h 42m, via Prague ≈ 2h 45m (estimated flying time, excluding layovers).

Trieste Airport (TRS) to London Stansted Airport (STN)・1,176 km

Nonstop flights available (1 airline). Flight time about 1h 53m. Nonstop return flights also operate.

18 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.