Are there nonstop flights from London (LCY) to Singapore (SIN)?

No. The fastest connection is via Amsterdam, about 13h 46m of total flying time.

What is the fastest connection from London (LCY) to Singapore (SIN)?

via Amsterdam ≈ 13h 46m, via Frankfurt am Main ≈ 13h 50m, via Zurich ≈ 14h 1m (estimated flying time, excluding layovers).

from 29,500 ANA miles (economy, one way, based on the published award charts).

London City Airport (LCY) to Singapore Changi Airport (SIN)・10,847 km

No nonstop flights. The fastest connection is via Amsterdam (AMS), about 13h 46m of flying time (layover not included).

With milesANA 29,500 miles+ (via ZRH)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

5 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.