(IN SHORT) Spirit Airlines has unveiled a five-day Independence Day sale, offering one-way fares from $49 for travel across the U.S. this summer. Valid from July 1–5, the promotion covers nonstop flights to key historical and leisure destinations—Philadelphia, Boston, Baltimore–Washington D.C., Charleston, and New Orleans—with Spirit’s low-cost Value fares. Customers can also save up to… Read the full news article