Southwest Airlines and its subsidiary, Airtran, are offering up double frequent-flier points for travel booked and completed this fall.
Double points with Southwest will require pre-travel registration...and will cover flights booked and flown between September 13th and November 15th.
As for Airtran, flights must be booked and traveled by November 14th.
Want Triple Points?
Book and travel an international flight with Airtran during the same period.