Are there nonstop flights from Philadelphia (PHL) to Bilbao (BIO)?

No. The fastest connection is via Madrid, about 8h 19m of total flying time.

What is the fastest connection from Philadelphia (PHL) to Bilbao (BIO)?

via Madrid ≈ 8h 19m, via Lisbon ≈ 8h 23m, via Dublin ≈ 8h 32m (estimated flying time, excluding layovers).

from 25,000 JAL miles (economy, one way, based on the published award charts).

Philadelphia International Airport (PHL) to Bilbao Airport (BIO)・5,834 km

No nonstop flights. The fastest connection is via Madrid (MAD), about 8h 19m of flying time (layover not included).

With milesJAL 25,000 miles+ (via MAD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

18 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.