Are there nonstop flights from Udaipur (UDR) to Bangkok (DMK)?

No. The fastest connection is via Kolkata, about 4h 40m of total flying time.

What is the fastest connection from Udaipur (UDR) to Bangkok (DMK)?

via Kolkata ≈ 4h 40m, via Jaipur ≈ 4h 50m, via Hyderabad ≈ 4h 57m (estimated flying time, excluding layovers).

Maharana Pratap Airport (UDR) to Don Mueang International Airport (DMK)・3,038 km

No nonstop flights. The fastest connection is via Kolkata (CCU), about 4h 40m of flying time (layover not included).

None.

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.