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 Barcelone 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.
MontrealYUL · Canada26−50 %1 bookable
LondonLHR · United Kingdom17−50 %1 bookable
ParisCDG · France15−40 %seen Sep 24
BordeauxBOD · France14−50 %1 bookable
HalifaxYHZ · Canada14−50 %seen Oct 7
MarseilleMRS · France13−50 %seen Oct 8
LisbonLIS · Portugal12−50 %seen Oct 8
NantesNTE · France12−50 %1 bookable
StrasbourgSXB · France12−50 %1 bookable
RomeFCO · Italy11−30 %1 bookable
MadridMAD · Spain10−50 %seen Oct 8
LyonLYS · France10−40 %1 bookable
FrankfurtFRA · Germany8−40 %1 bookable
BrusselsBRU · Belgium6−50 %1 bookable
TorontoYYZ · Canada5−50 %seen Sep 30
ParisORY · France4−40 %seen Oct 8
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 September.