Are there nonstop flights from Milwaukee (MKE) to Lisbon (LIS)?

No. The fastest connection is via Boston, about 8h 39m of total flying time.

What is the fastest connection from Milwaukee (MKE) to Lisbon (LIS)?

via Boston ≈ 8h 39m, via Chicago ≈ 8h 42m, via New York ≈ 8h 45m (estimated flying time, excluding layovers).

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

General Mitchell International Airport (MKE) to Lisbon Humberto Delgado Airport (LIS)・6,389 km

No nonstop flights. The fastest connection is via Boston (BOS), about 8h 39m of flying time (layover not included).

With milesJAL 37,000 miles+ (via PHL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 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.