24 Hour $24 Off $24 RT sale on Spirit

Until Midnight tonight (that's May 30), Spirit Airlines is taking $24 off all of its fares, with some fares as low as $24 round-trip. Dates vary wildly as to when you can take the $24 fares. For example, it's only for four days in January 2008 for the $24 New York/Detroit (New York/Detroit). Be sure to enter the promo code 24HOURS or you won't see the sale fares in the final price.