Be sure to include costs of things like hotels and food, for driving, and the costs of parking fees or other ground transportation when flying. The website BeFrugal.com offers a "fly or drive calculator" that helps you weigh the options, and compare both the costs and the travel times involved. The answer may depend on your preferences, whether you're fine with spending the extra time involved in driving, and on how many people are traveling. (The more people, the more the tab for those airline tickets adds up.)
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