Emirates First Class
I'm not exactly sure if this is a special deal or if it is always around that price but over 30 hours of Emirates First Class for 2800€ ish seems not too bad.
Also works to other European cities like MAD, MUC, MXP, ... for slightly more €.
Google Flights Sample Link
BKK-FRA/CDG or
CKG-MXP available for around 3300€
CKG-NYC 3960€