Are there nonstop flights from London (LGW) to Chennai (MAA)?

No. The fastest connection is via Frankfurt am Main, about 10h 40m of total flying time.

What is the fastest connection from London (LGW) to Chennai (MAA)?

via Frankfurt am Main ≈ 10h 40m, via Ahmedabad ≈ 10h 40m, via Mopa ≈ 10h 45m (estimated flying time, excluding layovers).

from 29,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

London Gatwick Airport (LGW) to Chennai International Airport (MAA)・8,216 km

No nonstop flights. The fastest connection is via Frankfurt am Main (FRA), about 10h 40m of flying time (layover not included).

With milesANA 29,500 miles+ (via ADD)JAL 37,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

16 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.