Sorry Magus it's from the Psionics Handbook, and here it is reposted from the SRD.
Mental Leap [Psionic]
Prerequisite: Str 13+, 6 ranks of the Jump skill, reserve power points 3+.
Benefit: You jump twice as far or as high as is indicated on your Jump check. Your maximum jump (a function of your height) is twice normal, and extra distance jumped (above and beyond the normal distance rolled) is not counted against your total allowed movement in the round.
Special: You can take this feat multiple times. Each time increases your jump multiple by one and increases your prerequisite of reserve power points by +8.
It's a nice combo, but as always won't really match up to flight. For what it is worth, it is pretty sweet.