Any cross-country airfare for less than $300 roundtrip is a deal. Any cross-country airfare for close to $200 roundtrip is a GREAT deal! This falls somewhere in between: U.S. Airways has roundtrip flights from San Francisco to Atlanta for $239 Roundtrip! Unfortunately it seems that the date availability is limited, as many seats have certainly been sold already. But I did find a few availabilities still open for January and February that looked perfect. Here are the details: Valid for travel until February, 2013. Availability is best in January and…… (click read more!)