Travel Yahoo Travel's most popular cities of 2009 December 23, 2009 5:33 PM Print Share fbShare Tweet Email Yahoo Travel's most popular cities of 2009, based on consumer interest and activity: 1. Las Vegas 2. Miami 3. Cancun, Mexico 4. San Diego 5. Cabo San Lucas, Mexico 6. New York City 7. San Francisco 8. Orlando 9. Honolulu 10. Paris Share on Facebook Share on Twitter Comments We're revamping our Comments section. Learn more and share your input.