Are there nonstop flights from London (LGW) to Jeddah (JED)?

Yes. Saudia fly this route. Flight time is about 6h 3m.

What is the fastest connection from London (LGW) to Jeddah (JED)?

via Venice ≈ 6h 33m, via Zurich ≈ 6h 33m, via Sharm El Sheikh ≈ 6h 33m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

London Gatwick Airport (LGW) to King Abdulaziz International Airport (JED)・4,714 km

Nonstop flights available (1 airline). Flight time about 6h 3m. Nonstop return flights also operate.

With milesANA 30,000 miles+ (via ATH)JAL 37,000 miles+ (via DOH)Economy, one way, estimate. Tap a connection for miles by cabin.

49 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.