Are there nonstop flights from Saint Peter Port (GCI) to Rome (CIA)?

No. The fastest connection is via Manchester, about 3h 31m of total flying time.

What is the fastest connection from Saint Peter Port (GCI) to Rome (CIA)?

via Manchester ≈ 3h 31m, via Edinburgh ≈ 4h 9m (estimated flying time, excluding layovers).

Guernsey Airport (GCI) to Ciampino–G. B. Pastine International Airport (CIA)・1,451 km

No nonstop flights. The fastest connection is via Manchester (MAN), about 3h 31m of flying time (layover not included).

None.

2 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.