
See the current low price, unit value, merchant options, and recent price history before you buy or set a drop alert.
FRONTLINE · 88 lb bag at $0.47/lb, 8% above its 90-day average.
Merchant rows include current price, subscription price where available, unit cost, and shipping notes.
Current best price is $3.12 above the 90-day avg. Chart starts at May 14 because that is the earliest observed point in this window. Recent range: $35.34 to $40.98.
Sorted by category match, unit-price proximity, pet type, and deal score so the comparison stays stable between visits.

Provecta® Advanced · 55 lb bag at $0.50/lb, 2% under its 90-day average.

Confirm pet type, weight range, age guidance, treatment duration, and active format before price.
Hartz UltraGuard · 30 lb bag at $0.43/lb, 2% above its 90-day average.

Sentry Fiproguard · 88 lb bag at $0.41/lb, holding near its 90-day average.

TevraPet Activate · 55 lb bag at $0.54/lb, 18% above its 90-day average.

Amazon Basics · 44 lb bag at $0.34/lb, 4% under its 90-day average.

K9 Advantix · 55 lb bag at $0.65/lb, holding near its 90-day average.