
See the current low price, unit value, merchant options, and recent price history before you buy or set a drop alert.
FRONTLINE · 40 lb bag at $1.31/lb, 16% above its 90-day average.
Merchant rows include current price, subscription price where available, unit cost, and shipping notes.
Current best price is $7.27 above the 90-day avg. Chart starts at May 14 because that is the earliest observed point in this window. Recent range: $39.35 to $52.48.
Sorted by category match, unit-price proximity, pet type, and deal score so the comparison stays stable between visits.

Provecta® Advanced · 20 lb bag at $1.37/lb, 1% above its 90-day average.

Confirm pet type, weight range, age guidance, treatment duration, and active format before price.
K9 Advantix · 10 lb bag at $1.50/lb, holding near its 90-day average.

K9 Advantix · 55 lb bag at $1.05/lb, 12% above its 90-day average.

K9 Advantix · 55 lb bag at $1.04/lb, 12% above its 90-day average.

K9 Advantix · 20 lb bag at $1.00/lb, holding near its 90-day average.

Advantage Topical · 9 lb bag at $1.66/lb, holding near its 90-day average.