Originally Posted by
UK flyer
Fly east so go via SIN first - shorter flight times than going west.
I endorse this opinion, and further I would recommend the following routing.
BA for LON-SIN
CX for SIN-HKG-SFO
BA for SFO-LON
The benefits of this routing include:
1. Shorter flight times;
2. Better overall service; and
3. Manageable jet-lag
Good luck!