488 2009-11-21T03:46:37Z USD 171642 IAH Houston George Bush Intercontinental Ap US United States cheapoair.com 2010-02-05T00:00:00Z 587 2009-11-13T02:39:33Z USD 63525 SGF Springfield US United States onetravel.com 2009-12-09T00:00:00Z