Are there nonstop flights from Bangkok (DMK) to Lampang Airport (LPT)?

Yes. Thai AirAsia fly this route. Flight time is about 1h 5m.

Bangkok → Lampang Airport

Don Mueang International Airport (DMK) to Lampang Airport (LPT)・499 km

Nonstop flights available (1 airline). Flight time about 1h 5m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.