Are there nonstop flights from London (LHR) to Lucknow (LKO)?

No. The fastest connection is via New Delhi, about 9h 25m of total flying time.

What is the fastest connection from London (LHR) to Lucknow (LKO)?

via New Delhi ≈ 9h 25m, via Dubai ≈ 10h 28m, via Dammam ≈ 10h 32m (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 Heathrow Airport (LHR) to Chaudhary Charan Singh International Airport (LKO)・7,134 km

No nonstop flights. The fastest connection is via New Delhi (DEL), about 9h 25m of flying time (layover not included).

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

None.

12 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.