Via Frankfurt in business class, from there with Singapore Airlines on an A380 in First class .
It is a codeshare flights with a Lufthansa airline code but the long-haul flights is operated by Singapore Airlines.
Pretty good availability the whole year during the week.
Advanced reservation/ticketing restrictions
RESERVATIONS FOR ALL SECTORS ARE REQUIRED AT LEAST 90 DAYS BEFORE DEPARTURE.
TRAVEL FROM TURNAROUND MUST COMMENCE NO EARLIER THAN 6 DAYS AFTER DEPARTURE FROM FARE ORIGIN OR - TRAVEL FROM TURNAROUND MUST COMMENCE NO EARLIER THAN THE FIRST SUN AFTER ARRIVAL AT TURNAROUND.