My boyfriend prefers driving and the only way I can talk him into flying is if it's super cheap, around the same price as renting a car and driving. I wish I could figure out how to charge by the hour for the 19 hours we'll spend in the car. ;-)
At any rate, the cheapest fare I see online is $232 per person. At that rate, it is over $200 cheaper to rent the car and drive, even counting gas, etc.
Oh well. I'll keep checking until the day we leave!