Are there nonstop flights from Naples (NAP) to London (LGW)?

Yes. easyJet, Jet2.com, TUI Airways fly this route. Flight time is about 2h 22m.

What is the fastest connection from Naples (NAP) to London (LGW)?

via Milan ≈ 2h 52m, via Milan ≈ 2h 53m, via Paris ≈ 2h 53m (estimated flying time, excluding layovers).

from 12,000 JAL miles, from 15,000 ANA miles (economy, one way, based on the published award charts).

Naples International Airport (NAP) to London Gatwick Airport (LGW)・1,592 km

Nonstop flights available (3 airlines). Flight time about 2h 22m. Nonstop return flights also operate.

With milesJAL 12,000 miles+ (via CDG)ANA 15,000 miles+ (via ZRH)Economy, one way, estimate. Tap a connection for miles by cabin.

73 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.