Spirit's new $18 offer is available through Wednesday night. Destinations include Atlantic City, Ft. Lauderdale, New York, and Santo Domingo.
Flights to and from Colorado are on sale from Frontier for travel between mid-May and late August. The sale prices are among the best available.
Travel on Midwest's sale fares is valid through mid-November. Cities include Atlanta, Las Vegas, New York, and Toronto.
British Airways' new deal includes a free two-night hotel stay in London. Book tickets by May 13.
Save up to $20 on flights to London with British Airways' new discount offer. The offer is valid through June 2.
Spirit's Latin America offer features Aguadilla, Panama City, and Punta Cana. Book tickets by Wednesday, May 7.
