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 Tokyo 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.
WaterlooYKF · Canada5−30 %1 bookable
MonctonYQM · Canada4−40 %seen Oct 27
ParisCDG · France4−30 %seen Oct 23
WashingtonIAD · United States4−30 %seen Oct 27
DallasDFW · United States3−30 %seen Nov 8
HamiltonYHM · Canada3−30 %1 bookable
AmsterdamAMS · Netherlands3−20 %seen Oct 30
Las VegasLAS · United States3−20 %seen Oct 30
StrasbourgSXB · France2−40 %seen Oct 18
RomeFCO · Italy2−30 %seen Oct 31
MadridMAD · Spain2−30 %seen Oct 29
St. John'sYYT · Canada2−30 %seen Oct 28
TorontoYYZ · Canada2−30 %seen Oct 30
MontpellierMPL · France2−20 %seen Nov 7
AtlantaATL · United States1−30 %seen Oct 25
BostonBOS · United States1−30 %seen Nov 1
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.