January, February, and March flights are on sale from Frontier. This offer is available for booking through Friday, December 5.
Virgin America's sale features winter flights to Las Vegas, New York, San Francisco, San Diego, and more. Travel is valid between January and March.
AirTran's new sale included competitive prices for travel to/from Atlanta, New Orleans, and more cities. Tickets must be purchased by December 11.
Lufthansa's new Europe sale includes Dublin, London, Madrid, and Paris. Book tickets by Wednesday, December 3.
Lufthansa's $100 discount is available for booking through Wednesday, December 3. The discount applies to flights through early April.
