Are there nonstop flights from Philadelphia (PHL) to Muscat (MCT)?

No. The fastest connection is via Copenhagen, about 14h 30m of total flying time.

What is the fastest connection from Philadelphia (PHL) to Muscat (MCT)?

via Copenhagen ≈ 14h 30m, via Amsterdam ≈ 14h 31m, via Prague ≈ 14h 32m (estimated flying time, excluding layovers).

from 40,000 JAL miles (economy, one way, based on the published award charts).

Philadelphia International Airport (PHL) to Muscat International Airport (MCT)・11,471 km

No nonstop flights. The fastest connection is via Copenhagen (CPH), about 14h 30m of flying time (layover not included).

With milesJAL 40,000 miles+ (via AMS)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.