Holiday SaleToday's sale ends

10 Best Dog Flea Treatments - Holiday Sale

Advertising Disclosure

Last Updated - 2025/12/14

Best Choice

01
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Extra Large Dogs weighing over 25 kg (over 55 lbs.)-6 doses

Free Shipping

9.5 Simple to use

8.7 worth the money

8.0 Taste
Main highlights

Safe for dogs and puppies 8 weeks and older
Kills ticks, fleas through contact – no biting required. Kills lice and mosquitoes too!
Easy-to-apply topical treatment can be used monthly for year-round protection
DO NOT USE K9 Advantix II ON CATS
Breaks the flea life cycle to treat and control flea infestations in the home
Show more
9.7

Exceptional

Show more
Curious about how we select the top products for you? Explore How It Works

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Value for Money

02
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Extra Large Dogs weighing over 25 kg (over 55 lbs.)-2 doses

10% Off Free Shipping

9.7 Simple to use

8.4 worth the money

8.2 Aroma
Main highlights

Safe for dogs and puppies 8 weeks and older
Kills ticks, fleas through contact – no biting required. Kills lice and mosquitoes too!
Easy-to-apply topical treatment can be used monthly for year-round protection
DO NOT USE K9 Advantix II ON CATS
Breaks the flea life cycle to treat and control flea infestations in the home
Show more
9.5

Excellent

Show more
03
Advantage

Advantage II Flea Treatment for Medium Dogs weighing 4.6 kg to 11 kg (10 lbs. to 24 lbs.)-2 doses

10% Off Free Shipping

8.9 Simple to use

8.0 worth the money
Main highlights

Safe for dogs and puppies 7 weeks and older
Kills fleas through contact – no biting required, Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains two, monthly applications of flea protection for dogs weighing 4.6 kg to 11 kg
Breaks the flea life cycle to treat and control flea infestations in the home
Show more
9.4

Excellent

Show more
04
Advantage

Advantage II Flea Treatment for Extra Large Dogs weighing over 25 kg (over 55 lbs.) - 2 doses

10% Off Free Shipping

9.9 Simple to use

8.7 worth the money
Main highlights

Safe for dogs and puppies 7 weeks and older
Kills fleas through contact – no biting required, Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains two, monthly applications of flea protection for dogs weighing over 25 kg
Breaks the flea life cycle to treat and control flea infestations in the home
Show more
9.1

Excellent

Show more
05
Capstar

Capstar Oral Flea Treatment for Large Dogs Weighing 11 to 57 kg - 6 Pack

Free Shipping

9.5 Simple to use

8.4 Aroma

8.0 worth the money
Main highlights

Tackle flea infestations fast - Capstar works from the inside out
Safe for dogs and puppies 4 weeks and older
One oral tablet starts killing fleas within 30 minutes of administration
Once-daily tablets can be administered until flea infestation is resolved
Contains six fast-acting tablets for dogs weighing 11-57 kg
Show more
9.0

Excellent

Show more
06
Advantage

Advantage II Flea Treatment for Large Dogs weighing 11 kg to 25 kg (24 lbs. to 55 lbs.)-2 doses

10% Off Free Shipping

9.9 Simple to use

8.4 worth the money
Main highlights

Safe for dogs and puppies 7 weeks and older
Kills fleas through contact – no biting required, Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains two, monthly applications of flea protection for dogs weighing 11 kg to 25 kg
Breaks the flea life cycle to treat and control flea infestations in the home
Show more
8.9

Very Good

Show more
07
ParaPet

Parapet K9 Praventa 360 for Extra Large Dogs - 3 Tubes

35% Off Free Shipping

8.2 Simple to use

8.0 Taste

8.0 worth the money
Main highlights

Safe and Effective Protection: Against adult fleas, flea larvae, flea eggs and ticks
Once-a-month topical flea and tick treatment - One application lasts 30 days
For use only on dogs and puppies weighing over 25 kg and over 12 weeks of age - Contains 3 tubes (4.8 ml). DO NOT USE ON CATS
Contains Imidacloprid, Permethrin and Pyriproxyfen: the same active ingredients found in the leading veterinary brand
Breaks the flea and tick lifecycle and prevents further infestation
Show more
8.8

Very Good

Show more
08
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Large Dogs weighing 11 kg to 25 kg (24 lbs. to 55 lbs.)-2 doses

10% Off Free Shipping

8.9 Simple to use

8.0 worth the money
Main highlights

Safe for dogs and puppies 8 weeks and older
Kills ticks, fleas through contact – no biting required. Kills lice and mosquitoes too!
Easy-to-apply topical treatment can be used monthly for year-round protection
DO NOT USE K9 Advantix II ON CATS
Breaks the flea life cycle to treat and control flea infestations in the home
Show more
8.7

Very Good

Show more
09
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Medium Dogs weighing 4.6 kg to 11 kg (10 lbs. to 24 lbs.)-2 doses

10% Off Free Shipping

8.9 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Safe for dogs and puppies 8 weeks and older
Kills ticks, fleas through contact – no biting required, Kills lice and mosquitos too
Easy-to-apply topical treatment can be used monthly for year-round protection
DO NOT USE K9 Advantix II ON CATS
Breaks the flea life cycle to treat and control flea infestations in the home
Show more
8.5

Good

Show more
10
Capstar

Capstar Oral Flea Treatment for Small Dogs and Cats weighing 1 to 11 kg - 6 pack

Free Shipping

8.4 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Tackle flea infestations fast - Capstar works from the inside out
Safe for dogs, cats, puppies and kittens 4 weeks and older
One oral tablet starts killing fleas within 30 minutes of administration
Once-daily tablets can be administered until flea infestation is resolved
Contains six fast-acting tablets for dogs and cats weighing 1 - 11 kg
Show more
8.4

Good

Show more