Are there nonstop flights from St Louis (STL) to Greensboro (GSO)?

No. The fastest connection is via Charlotte, about 2h 14m of total flying time.

What is the fastest connection from St Louis (STL) to Greensboro (GSO)?

via Charlotte ≈ 2h 14m, via Atlanta ≈ 2h 30m, via Chicago ≈ 2h 36m (estimated flying time, excluding layovers).

from 12,000 JAL miles (economy, one way, based on the published award charts).

St. Louis Lambert International Airport (STL) to Piedmont Triad International Airport (GSO)・967 km

No nonstop flights. The fastest connection is via Charlotte (CLT), about 2h 14m of flying time (layover not included).

With milesJAL 12,000 miles+ (via CLT)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.