I posted this deal on Saturday, seems to have come back.
Error Fare flights from Auckland, New Zealand to San Francisco, USA for only $780 NZD return with United Airlines and LAN Chile.
Book with airtickets.com.
Example dates:
23rd Jan – 1st Feb
24th Jan – 2nd Feb
26th Jan – 4th Feb
30th Jan – 8th Feb
31st Jan – 8th Feb
31st Jan – 9th Feb