Are there nonstop flights from London (LCY) to Zanzibar (ZNZ)?

No. The fastest connection is via Zurich, about 9h 46m of total flying time.

What is the fastest connection from London (LCY) to Zanzibar (ZNZ)?

via Zurich ≈ 9h 46m, via Frankfurt am Main ≈ 9h 52m, via Amsterdam ≈ 9h 58m (estimated flying time, excluding layovers).

London City Airport (LCY) to Abeid Amani Karume International Airport (ZNZ)・7,421 km

No nonstop flights. The fastest connection is via Zurich (ZRH), about 9h 46m of flying time (layover not included).

None.

4 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.