*Taxes, Fees and Restrictions: Fares valid until 10/19/11 (the earlier of 11:59 PM ET or local) for flights between 10/25/11 12/15/11 (Blackout Dates: 11/18 11/28/11) on Mon., Tues., Wed., Thurs., and Sat. only (no Fri. or Sun. flights) for domestic routes and on Mon., Tues., Wed., and Thurs. only (no Fri., Sat., or Sun. flights). Limited exceptions apply; see Travel Window Restrictions at the bottom of this page. 7-day advance purchase is required.
NOTE: Looks like Fridays and Sundays flights were at the lower rate, too.