Are there nonstop flights from Ho Chi Minh City (SGN) to London (LGW)?

No. The fastest connection is via Copenhagen, about 13h 3m of total flying time.

What is the fastest connection from Ho Chi Minh City (SGN) to London (LGW)?

via Copenhagen ≈ 13h 3m, via Frankfurt am Main ≈ 13h 6m, via Bangkok ≈ 13h 7m (estimated flying time, excluding layovers).

from 29,500 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Tan Son Nhat International Airport (SGN) to London Gatwick Airport (LGW)・10,213 km

No nonstop flights. The fastest connection is via Copenhagen (CPH), about 13h 3m of flying time (layover not included).

With milesANA 29,500 miles+ (via IST)JAL 45,000 miles+ (via CDG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

19 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.