This could set off an interesting price war: JetBlue today began selling a $599 pass for all the flights you can handle between Sept. 8 and Oct. 8, reports Bloomberg. The idea is to try to keep their planes full once the peak summer season winds down. The offer's good for all 56 cities served by the airline, which has seen a 4.6% dropoff in traffic of late.
(More JetBlue stories.)