Southwest Airlines sale ends July 24 for travel August 12 through October 31, 2008. 21-day advance purchase.

George Hobica, July 22, 2008
Fares from Washington DC:

    You've got to travel Tuesday or Wednesday to get the best fares in this sale.

    This is not a systemwide sale, and some routes have much better fares than others. We've posted these fares in our city search results pages.