Are there nonstop flights from Abu Dhabi (AUH) to Phnom Penh (KTI)?

Yes. Etihad Airways fly this route. Flight time is about 6h 57m.

What is the fastest connection from Abu Dhabi (AUH) to Phnom Penh (KTI)?

via Bangkok ≈ 7h 28m, via New Delhi ≈ 7h 46m, via Doha ≈ 8h 12m (estimated flying time, excluding layovers).

from 23,000 JAL miles, from 36,000 ANA miles (economy, one way, based on the published award charts).

Zayed International Airport (AUH) to Techo International Airport (KTI)・5,483 km

Nonstop flights available (1 airline). Flight time about 6h 57m. Nonstop return flights also operate.

With milesJAL 23,000 miles+ (via DOH)ANA 36,000 miles+ (via PEK)Economy, one way, estimate. Tap a connection for miles by cabin.

16 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.