Are there nonstop flights from Seoul (GMP) to Mabalacat (CRK)?

No. The fastest connection is via Busan, about 4h 11m of total flying time.

What is the fastest connection from Seoul (GMP) to Mabalacat (CRK)?

via Busan ≈ 4h 11m (estimated flying time, excluding layovers).

Seoul Gimpo International Airport (GMP) to Clark International Airport / Clark Air Base (CRK)・2,562 km

No nonstop flights. The fastest connection is via Busan (PUS), about 4h 11m of flying time (layover not included).

None.

1 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.