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 Helsinki 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.
BrusselsBRU · Belgium16−40 %seen Nov 5
LisbonLIS · Portugal16−30 %seen Oct 27
CharleroiCRL · Belgium8−40 %seen Nov 5
MontpellierMPL · France5−30 %seen Nov 2
VictoriaYYJ · Canada5−20 %1 bookable
LondonLHR · United Kingdom4−30 %seen Oct 16
NiceNCE · France4−30 %seen Oct 20
BostonBOS · United States2−40 %seen Sep 25
OttawaYOW · Canada2−30 %seen Nov 5
KelownaYLW · Canada2−20 %seen Nov 7
DenverDEN · United States1−40 %seen Sep 20
NewarkEWR · United States1−40 %seen Sep 20
San DiegoSAN · United States1−40 %seen Sep 21
TorontoYTZ · Canada1−40 %seen Oct 10
MinneapolisMSP · United States1−30 %seen Nov 6
PhoenixPHX · United States1−30 %seen Sep 25
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.