Are there nonstop flights from Chiang Rai (CEI) to Subang (SZB)?

No. The fastest connection is via Bangkok, about 3h 13m of total flying time.

What is the fastest connection from Chiang Rai (CEI) to Subang (SZB)?

via Bangkok ≈ 3h 13m, via Singapore ≈ 3h 53m (estimated flying time, excluding layovers).

Mae Fah Luang - Chiang Rai International Airport (CEI) to Sultan Abdul Aziz Shah International Airport (SZB)・1,879 km

No nonstop flights. The fastest connection is via Bangkok (DMK), about 3h 13m of flying time (layover not included).

None.

2 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.