RewardExpert set out to dive into the state American vacationing by analyzing spending figures from transportation and lodging to food and entertainment. Nine of the 10 least expensive states for vacationers are in the South. On average, four day trips within the country cost Americans in the region $564.51. Southerners have a slightly higher savings rate than the national average, and according to the BLS, they make 7.9 percent less discretionary income than the national average. Essentially, Southerners make more and save less, which is unconducive to vacation spending.