Aer Lingus' new offer includes flights to Dublin and Shannon from Boston, Chicago, New York, and San Francisco, among other cities. Travel is valid between November and March.
Southwest is introducing non-stop service to St. Louis with a new fare sale. Travel is valid January through March 2010, but airfare must be booked by September 3.
American is offering a new sale for travel to many Caribbean destinations including Aruba, the Bahamas, the Cayman Islands, and Jamaica. Travel is valid through mid-November.
Delta is offering sale fares for travel between Atlanta and Boston, Chicago, Orlando, Washington, D.C., and many other domestic cities. Travel through mid-December, but book fares by September 3.
