Lufthansa's deal includes Paris, Madrid, Rome, and Florence. Book tickets by December 11.
Frontier's deal features flights to Denver, Chicago, Los Cabos, and Puerto Vallarta. Book tickets by 9:59 MT on Thursday.
United's new sale features Los Cabos, Montego Bay, and Nassau. Travel is valid in January and February.
Earn a free companion flight when you fly Midwest in December or January. This promotion is valid through Friday.
Rent a convertible, SUV, or minivan in the United States at sale rates through Dec. 19, 2007.
