25 cheapest cities in the U.S. for air travel this summer
 

http://img-s-msn-com.akamaized.net/t...=f&x=825&y=608Flying during the busy summer vacation months doesn't have to cost a fortune. In fact, domestic airfare to many U.S. cities is shaping up to be anywhere from 10 percent to 25 percent cheaper than last summer. These 25 cities offer the cheapest airfares and lots of affordable things to see and do.

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