The average temperature in Dubai in the winter months ranges between a balmy 87 and a cool but still comfortable 58. United Mileage Plus members can enjoy the warm days and earn bonus miles on qualifying roundtrip flights between the U.S. and Dubai on United from Oct. 26, 2008 through March 31, 2009. Tickets must be booked by Oct. 26, 2008 to be eligible for the bonus miles and registration is required prior to or within 30 days of completing travel and by March 31, 2009 at the latest. Fly first class (F, A) to earn 10,000 miles; business class (C, D, Z) to earn 7,500 miles, coach class (Y, B, M, H) to earn 5,000 and all other coach fare classes to earn 3,000 miles. Go to http://www.insideflyer.com/link/?1187 — There is no limit to the bonus miles you can earn with the offer.