Are there nonstop flights from Appleton (ATW) to San Juan (SJU)?

No. The fastest connection is via Charlotte, about 5h 12m of total flying time.

What is the fastest connection from Appleton (ATW) to San Juan (SJU)?

via Charlotte ≈ 5h 12m, via Detroit ≈ 5h 14m, via Chicago ≈ 5h 14m (estimated flying time, excluding layovers).

from 30,000 ANA miles (economy, one way, based on the published award charts).

Appleton International Airport (ATW) to Luis Munoz Marin International Airport (SJU)・3,554 km

No nonstop flights. The fastest connection is via Charlotte (CLT), about 5h 12m of flying time (layover not included).

With milesANA 30,000 miles+ (via DEN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.