9. San Diego
Thanks to the city’s warm climate and plentiful beaches, San Diego is always bustling with tourists. Attractions include the city’s many historical sites, the booming craft brewing industry, whale watching and sport fishing. The San Diego Zoo is one of the largest and most famous zoos in the U.S.
The last week of April 2015 had the lowest median airfare ($347) in 2015. Median hotel rates kicked off the month at $138 a night, but continuously rose to $160 a night by the end of April.
