Are there nonstop flights from St Louis (STL) to Grand Rapids (GRR)?

No. The fastest connection is via Chicago, about 1h 45m of total flying time.

What is the fastest connection from St Louis (STL) to Grand Rapids (GRR)?

via Chicago ≈ 1h 45m, via Chicago ≈ 1h 45m, via Detroit ≈ 2h 4m (estimated flying time, excluding layovers).

from 12,000 JAL miles, from 15,000 ANA miles (economy, one way, based on the published award charts).

St. Louis Lambert International Airport (STL) to Gerald R. Ford International Airport (GRR)・614 km

No nonstop flights. The fastest connection is via Chicago (MDW), about 1h 45m of flying time (layover not included).

With milesJAL 12,000 miles+ (via ORD)ANA 15,000 miles+ (via ORD)Economy, one way, estimate. Tap a connection for miles by cabin.

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.