Are there nonstop flights from Portland (PWM) to Grand Rapids (GRR)?

No. The fastest connection is via Detroit, about 2h 30m of total flying time.

What is the fastest connection from Portland (PWM) to Grand Rapids (GRR)?

via Detroit ≈ 2h 30m, via New York ≈ 2h 41m, via Newark ≈ 2h 41m (estimated flying time, excluding layovers).

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

Portland International Jetport (PWM) to Gerald R. Ford International Airport (GRR)・1,233 km

No nonstop flights. The fastest connection is via Detroit (DTW), about 2h 30m of flying time (layover not included).

With milesANA 15,000 miles+ (via ORD)JAL 15,000 miles+ (via CLT)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.