Are there nonstop flights from New Orleans (MSY) to London (LGW)?

No. The fastest connection is via Boston, about 9h 47m of total flying time.

What is the fastest connection from New Orleans (MSY) to London (LGW)?

via Boston ≈ 9h 47m, via New York ≈ 9h 47m, via Toronto ≈ 9h 51m (estimated flying time, excluding layovers).

Louis Armstrong New Orleans International Airport (MSY) to London Gatwick Airport (LGW)・7,465 km

No nonstop flights. The fastest connection is via Boston (BOS), about 9h 47m of flying time (layover not included).

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.