Are there nonstop flights from Mabalacat (CRK) to Busan (PUS)?

Yes. Jin Air fly this route. Flight time is about 3h 18m.

What is the fastest connection from Mabalacat (CRK) to Busan (PUS)?

via Taipei ≈ 3h 53m, via Seoul ≈ 4h 24m, via Hong Kong ≈ 4h 39m (estimated flying time, excluding layovers).

from 11,000 ANA miles (economy, one way, based on the published award charts).

Clark International Airport / Clark Air Base (CRK) to Gimhae International Airport (PUS)・2,375 km

Nonstop flights available (1 airline). Flight time about 3h 18m. Nonstop return flights also operate.

With milesANA 11,000 miles+ (via TPE)Economy, one way, estimate. Tap a connection for miles by cabin.

6 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.