Over twelve months: where the drops came from, how often, and how far. Past deals are no longer bookable and so are not links — what they add here is the pattern.
Where the deals to Saint-Pétersbourg came from
The bar says how often a drop has been proven from that airport over twelve months. The badge says how far the price fell.
NiceNCE · France5−50 %1 bookable
TorontoYYZ · Canada5−30 %seen Oct 8
AmsterdamAMS · Netherlands4−50 %seen Oct 6
ParisORY · France4−50 %1 bookable
ParisCDG · France3−50 %seen Oct 6
VancouverYVR · Canada3−30 %seen Sep 30
BrusselsBRU · Belgium2−50 %seen Oct 8
FrankfurtFRA · Germany2−50 %seen Oct 8
AtlantaATL · United States1−40 %seen Sep 29
WashingtonIAD · United States1−40 %seen Oct 3
When the deals show up
A bar’s height is the number of drops spotted that month, its colour the month’s best discount. The tallest is October.