Are there nonstop flights from London (LHR) to Milwaukee (MKE)?

No. The fastest connection is via Detroit, about 8h 34m of total flying time.

What is the fastest connection from London (LHR) to Milwaukee (MKE)?

via Detroit ≈ 8h 34m, via Chicago ≈ 8h 36m, via Boston ≈ 8h 47m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

London Heathrow Airport (LHR) to General Mitchell International Airport (MKE)・6,271 km

No nonstop flights. The fastest connection is via Detroit (DTW), about 8h 34m of flying time (layover not included).

With milesANA 27,500 miles+ (via DEN)JAL 37,000 miles+ (via PHL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

27 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.