Try different dates, out Mon and ret Thr, am in LAX waiting for NRT MNL connection
Mar 18 out ret Mar 21 has same fare $1232.30
Some weeks the fare is $2800 or more, try different combinations. Pick flight using schedule and not price on delta.com otherwise you probably won't see ret flight SIN NRT JFK SFO. Good luck!
OUTBOUND Mon 18 Mar 2013 |9:15pmSFO to 1:35am 19 Mar SIN | Multi-Stop |DL 2240 , DL 173 , DL 621
9:15pm SFO 1:35am 19 Mar SIN
Multi-Stop37 hr 20 min
JFKLayover
NRTLayover
DL 2240 Economy (T)
DL 173 Economy (T)
DL 621 Economy (T)
RETURN Thu 21 Mar 2013 |5:40amSIN to 8:49pm SFO | Multi-Stop |DL 622 , DL 172 , DL 31
5:40am SIN 8:49pm SFO
Multi-Stop30 hr 9 min
NRTLayover
JFKLayover
DL 622 Economy (T)
DL 172 Economy (T)
DL 31 Economy (T)