Northwest's new deal features Chicago, New York, Amsterdam, and Tokyo. American and United have similar deals.
Aer Lingus' Ireland deal features flights from New York, Chicago, San Francisco, and several other cities. Book by January 15.
Flights to Aruba, London, Paris, and Cozumel are featured in American's offer. This deal competes with a similar sale from United.
Southwest's new sale includes flights to Chicago, Las Vegas, Orlando, and Seattle. Book tickets by January 10.
Free Upgrades: Economy thru Standard-sized Rentals
50% OFF: Weekend Car Rental Rates, Plus Free Pick-up
15% off: Daily Rental Rates through February 29
10% OFF: Weekend Winter Car Rental Specials
