Another one from ScottC’s airline and hotel deals mailing list. This one isn’t a fare error — just a really inexpensive fare.
You can fly out of San Francisco, Los Angeles, New York, and Newark to Singapore for $249 + tax.
A maximum of 2,000 round-trip coach seats are available at this fare. It’s good for outbound travel July 1 through August 31, with return travel up to 30 days from the date of departure.
Offer ends Saturday, June 14 at midnight or while supplies last.
The deal can be found here.